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annotate src/main/java/org/monetdb/jdbc/MonetDatabaseMetaData.java @ 730:ee061ab9ee32

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Corrected DatabaseMetaData.getSQLKeywords() output. It used to return all MonetDB SQL keywords, but now it excludes the SQL:2003 keywords as defined by the Java JDBC API specification.
author Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
date Thu, 09 Feb 2023 16:31:27 +0100 (2023-02-09)
parents 2b763b189452
children 4b11238ebe15
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1 /*
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2 * This Source Code Form is subject to the terms of the Mozilla Public
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3 * License, v. 2.0. If a copy of the MPL was not distributed with this
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4 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
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5 *
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aeb268156580 Updated Copyright year.
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6 * Copyright 1997 - July 2008 CWI, August 2008 - 2023 MonetDB B.V.
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7 */
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8
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9 package org.monetdb.jdbc;
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10
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11 import java.sql.Connection;
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12 import java.sql.DatabaseMetaData;
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13 import java.sql.Statement;
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14 import java.sql.SQLException;
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15 import java.sql.ResultSet;
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16 import java.sql.ResultSetMetaData;
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17 import java.sql.RowIdLifetime;
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18 import java.sql.Types;
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19
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20 /**
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21 * A DatabaseMetaData object suitable for the MonetDB database.
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22 *
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23 * @author Fabian Groffen
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24 * @author Martin van Dinther
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25 * @version 1.0
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26 */
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27 public final class MonetDatabaseMetaData
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28 extends MonetWrapper
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29 implements DatabaseMetaData
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30 {
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31 private final MonetConnection con;
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32
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33 public MonetDatabaseMetaData(final MonetConnection parent) {
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34 con = parent;
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35 }
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36
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37 /**
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38 * Retrieves whether the current user can call all the procedures
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39 * returned by the method getProcedures.
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40 *
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41 * @return false because we currently return all procedures from sys.functions
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42 * and do not filter on EXECUTE privilege or procedure ownership.
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43 */
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44 @Override
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45 public boolean allProceduresAreCallable() {
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46 return false;
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47 }
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48
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49 /**
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50 * Retrieves whether the current user can use all the tables
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51 * returned by the method getTables in a SELECT statement.
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52 *
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53 * @return false because we currently return all tables from sys.tables
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54 * and do not filter on SELECT privilege or table ownership.
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55 */
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56 @Override
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57 public boolean allTablesAreSelectable() {
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58 return false;
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59 }
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60
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61 /**
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62 * What is the URL for this database?
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63 *
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64 * @return a reconstructed connection string
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65 * @throws SQLException if a database access error occurs
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66 */
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67 @Override
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68 public String getURL() throws SQLException {
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69 return con.getJDBCURL();
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70 }
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71
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72 /**
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73 * What is our user name as known to the database?
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74 *
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75 * @return sql user
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76 * @throws SQLException if a database access error occurs
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77 */
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78 @Override
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79 public String getUserName() throws SQLException {
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80 return con.getUserName();
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81 }
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82
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83 /**
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84 * Is the database in read-only mode?
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85 *
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86 * @return always false for now
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87 */
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88 @Override
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89 public boolean isReadOnly() {
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90 return false;
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91 }
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92
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93 /**
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94 * Retrieves whether NULL values are sorted high. Sorted high means
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95 * that NULL values sort higher than any other value in a domain.
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96 * In an ascending order, if this method returns true, NULL values will appear at the end.
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97 * By contrast, the method nullsAreSortedAtEnd indicates whether NULL values are sorted at the end regardless of sort order.
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98 *
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99 * @return false because MonetDB shows NULL values at the beginning upon ORDER BY .. ASC, not at the end
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100 * @see #nullsAreSortedLow()
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101 */
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102 @Override
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103 public boolean nullsAreSortedHigh() {
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104 return false;
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105 }
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106
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107 /**
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108 * Retrieves whether NULL values are sorted low. Sorted low means
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109 * that NULL values sort lower than any other value in a domain.
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110 * In an ascending order, if this method returns true, NULL values will appear at the beginning.
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111 * By contrast, the method nullsAreSortedAtStart indicates whether NULL values are sorted at the beginning regardless of sort order.
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112 *
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113 * @return true because MonetDB shows NULL values at the beginning upon ORDER BY .. ASC
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114 * @see #nullsAreSortedHigh()
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115 */
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116 @Override
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117 public boolean nullsAreSortedLow() {
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118 return true;
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119 }
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120
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121 /**
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122 * Are NULL values sorted at the start regardless of sort order?
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123 *
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124 * @return false, since MonetDB doesn't do this
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125 */
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126 @Override
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127 public boolean nullsAreSortedAtStart() {
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128 return false;
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129 }
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130
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131 /**
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132 * Are NULL values sorted at the end regardless of sort order?
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133 *
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134 * @return false, since MonetDB doesn't do this
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135 */
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136 @Override
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137 public boolean nullsAreSortedAtEnd() {
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138 return false;
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139 }
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140
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141 /**
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142 * What is the name of this database product - this should be MonetDB
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143 * of course, so we return that explicitly.
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144 *
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145 * @return the database product name
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146 */
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147 @Override
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148 public String getDatabaseProductName() {
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149 return "MonetDB";
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150 }
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151
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152 /**
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153 * What is the version of this database product.
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154 *
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155 * @return the mserver5 version number string
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156 * @throws SQLException if a database access error occurs
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157 */
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158 @Override
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159 public String getDatabaseProductVersion() throws SQLException {
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
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160 return con.getDatabaseProductVersion();
0
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161 }
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162
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163 /**
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164 * What is the name of this JDBC driver?
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165 *
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166 * @return the JDBC driver name
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167 */
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168 @Override
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169 public String getDriverName() {
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170 return "MonetDB Native Driver";
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171 }
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172
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173 /**
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174 * Retrieves the version number of this JDBC driver as a String.
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175 *
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176 * @return the JDBC driver version string
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177 */
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178 @Override
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179 public String getDriverVersion() {
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180 return MonetDriver.getDriverVersion();
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181 }
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182
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183 /**
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184 * What is this JDBC driver's major version number?
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185 *
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186 * @return the JDBC driver major version number
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187 */
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188 @Override
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189 public int getDriverMajorVersion() {
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190 return MonetDriver.getDriverMajorVersion();
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191 }
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192
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193 /**
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194 * What is this JDBC driver's minor version number?
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195 *
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196 * @return the JDBC driver minor version number
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197 */
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198 @Override
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199 public int getDriverMinorVersion() {
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200 return MonetDriver.getDriverMinorVersion();
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201 }
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202
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203 /**
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204 * Does the database store tables in a local file?
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205 * No, it stores them in files on the server.
0
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206 *
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207 * @return false because that's what MonetDB is for
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208 */
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209 @Override
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210 public boolean usesLocalFiles() {
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211 return false;
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212 }
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213
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214 /**
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215 * Does the database use a local file for each table?
0
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216 *
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217 * @return false for it doesn't
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218 */
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219 @Override
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220 public boolean usesLocalFilePerTable() {
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221 return false;
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222 }
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223
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224 /**
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225 * Does the database treat mixed case unquoted SQL identifiers
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226 * as case sensitive and as a result store them in mixed case?
231
68b9452f1215 Fix warnings:
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227 * A JDBC Compliant <sup>TM</sup> driver always returns false.
0
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228 *
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229 * @return false
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230 */
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231 @Override
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232 public boolean supportsMixedCaseIdentifiers() {
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233 return false;
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234 }
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235
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236 /**
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237 * Does the database treat mixed case unquoted SQL identifiers as
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238 * case insensitive and store them in upper case?
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239 *
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240 * @return true if so
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241 */
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242 @Override
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243 public boolean storesUpperCaseIdentifiers() {
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244 return false;
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245 }
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246
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247 /**
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248 * Does the database treat mixed case unquoted SQL identifiers as
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249 * case insensitive and store them in lower case?
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250 *
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251 * @return true if so
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252 */
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253 @Override
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254 public boolean storesLowerCaseIdentifiers() {
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255 return true;
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256 }
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257
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258 /**
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259 * Does the database treat mixed case unquoted SQL identifiers as
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260 * case insensitive and store them in mixed case?
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261 *
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262 * @return true if so
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263 */
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264 @Override
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265 public boolean storesMixedCaseIdentifiers() {
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266 return false;
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267 }
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268
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269 /**
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270 * Does the database treat mixed case quoted SQL identifiers as
213
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271 * case sensitive and as a result store them in mixed case?
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272 * A JDBC Compliant <sup>TM</sup> driver always returns true.
0
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273 *
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274 * @return true if so
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275 */
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276 @Override
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277 public boolean supportsMixedCaseQuotedIdentifiers() {
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278 return true;
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279 }
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280
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281 /**
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282 * Does the database treat mixed case quoted SQL identifiers as
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283 * case insensitive and store them in upper case?
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284 *
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285 * @return true if so
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286 */
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287 @Override
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288 public boolean storesUpperCaseQuotedIdentifiers() {
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289 return false;
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290 }
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291
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292 /**
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293 * Does the database treat mixed case quoted SQL identifiers as case
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294 * insensitive and store them in lower case?
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295 *
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296 * @return true if so
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297 */
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298 @Override
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299 public boolean storesLowerCaseQuotedIdentifiers() {
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300 return false;
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301 }
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302
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303 /**
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304 * Does the database treat mixed case quoted SQL identifiers as case
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305 * insensitive and store them in mixed case?
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306 *
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307 * @return true if so
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308 */
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309 @Override
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310 public boolean storesMixedCaseQuotedIdentifiers() {
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311 return false;
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312 }
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313
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314 /**
213
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315 * What is the string used to quote SQL identifiers?
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316 * This returns a space if identifier quoting isn't supported.
231
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317 * A JDBC Compliant <sup>TM</sup> driver
213
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318 * will always use a double quote character.
0
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319 *
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320 * @return the quoting string
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321 */
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322 @Override
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323 public String getIdentifierQuoteString() {
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324 return "\"";
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325 }
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326
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327 /**
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328 * Retrieves a comma-separated list of all of this database's
ee061ab9ee32 Corrected DatabaseMetaData.getSQLKeywords() output.
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329 * SQL keywords that are NOT also SQL:2003 keywords.
0
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330 *
730
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331 * @return a comma separated list of MonetDB keywords that are not also SQL:2003 keywords
0
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332 */
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333 @Override
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334 public String getSQLKeywords() {
730
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335 final String keywords = getConcatenatedStringFromQuery(
ee061ab9ee32 Corrected DatabaseMetaData.getSQLKeywords() output.
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336 "SELECT \"keyword\" FROM \"sys\".\"keywords\" " +
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337 // exclude all SQL:2003 keywords
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338 "WHERE \"keyword\" NOT IN (" +
ee061ab9ee32 Corrected DatabaseMetaData.getSQLKeywords() output.
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339 "'ABS','ALL','ALLOCATE','ALTER','AND','ANY','ARE','ARRAY','AS'," +
ee061ab9ee32 Corrected DatabaseMetaData.getSQLKeywords() output.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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340 "'ASENSITIVE','ASYMMETRIC','AT','ATOMIC','AUTHORIZATION','AVG'," +
ee061ab9ee32 Corrected DatabaseMetaData.getSQLKeywords() output.
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341 "'BEGIN','BETWEEN','BIGINT','BINARY','BLOB','BOOLEAN','BOTH','BY'," +
ee061ab9ee32 Corrected DatabaseMetaData.getSQLKeywords() output.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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342 "'CALL','CALLED','CARDINALITY','CASCADED','CASE','CAST','CEIL','CEILING'," +
ee061ab9ee32 Corrected DatabaseMetaData.getSQLKeywords() output.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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343 "'CHAR','CHARACTER','CHARACTER_LENGTH','CHAR_LENGTH','CHECK','CLOB'," +
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344 "'CLOSE','COALESCE','COLLATE','COLLECT','COLUMN','COMMIT','CONDITION'," +
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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345 "'CONNECT','CONSTRAINT','CONVERT','CORR','CORRESPONDING','COUNT'," +
ee061ab9ee32 Corrected DatabaseMetaData.getSQLKeywords() output.
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346 "'COVAR_POP','COVAR_SAMP','CREATE','CROSS','CUBE','CUME_DIST','CURRENT','CURRENT_DATE'," +
ee061ab9ee32 Corrected DatabaseMetaData.getSQLKeywords() output.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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347 "'CURRENT_DEFAULT_TRANSFORM_GROUP','CURRENT_PATH','CURRENT_ROLE','CURRENT_TIME'," +
ee061ab9ee32 Corrected DatabaseMetaData.getSQLKeywords() output.
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348 "'CURRENT_TIMESTAMP','CURRENT_TRANSFORM_GROUP_FOR_TYPE','CURRENT_USER','CURSOR','CYCLE'," +
ee061ab9ee32 Corrected DatabaseMetaData.getSQLKeywords() output.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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349 "'DATE','DAY','DEALLOCATE','DEC','DECIMAL','DECLARE','DEFAULT','DELETE','DENSE_RANK','DEREF'," +
ee061ab9ee32 Corrected DatabaseMetaData.getSQLKeywords() output.
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350 "'DESCRIBE','DETERMINISTIC','DISCONNECT','DISTINCT','DOUBLE','DROP','DYNAMIC'," +
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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351 "'EACH','ELEMENT','ELSE','END','END-EXEC','ESCAPE','EVERY','EXCEPT','EXEC','EXECUTE','EXISTS','EXP','EXTERNAL','EXTRACT'," +
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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352 "'FALSE','FETCH','FILTER','FLOAT','FLOOR','FOR','FOREIGN','FREE','FROM','FULL','FUNCTION','FUSION'," +
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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353 "'GET','GLOBAL','GRANT','GROUP','GROUPING','HAVING','HOLD','HOUR'," +
ee061ab9ee32 Corrected DatabaseMetaData.getSQLKeywords() output.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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354 "'IDENTITY','IN','INDICATOR','INNER','INOUT','INSENSITIVE','INSERT'," +
ee061ab9ee32 Corrected DatabaseMetaData.getSQLKeywords() output.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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355 "'INT','INTEGER','INTERSECT','INTERSECTION','INTERVAL','INTO','IS','JOIN'," +
ee061ab9ee32 Corrected DatabaseMetaData.getSQLKeywords() output.
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356 "'LANGUAGE','LARGE','LATERAL','LEADING','LEFT','LIKE','LN','LOCAL','LOCALTIME','LOCALTIMESTAMP','LOWER'," +
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff changeset
357 "'MATCH','MAX','MEMBER','MERGE','METHOD','MIN','MINUTE','MOD','MODIFIES','MODULE','MONTH','MULTISET'," +
ee061ab9ee32 Corrected DatabaseMetaData.getSQLKeywords() output.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff changeset
358 "'NATIONAL','NATURAL','NCHAR','NCLOB','NEW','NO','NONE','NORMALIZE','NOT','NULL','NULLIF','NUMERIC'," +
ee061ab9ee32 Corrected DatabaseMetaData.getSQLKeywords() output.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff changeset
359 "'OCTET_LENGTH','OF','OLD','ON','ONLY','OPEN','OR','ORDER','OUT','OUTER','OVER','OVERLAPS','OVERLAY'," +
ee061ab9ee32 Corrected DatabaseMetaData.getSQLKeywords() output.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff changeset
360 "'PARAMETER','PARTITION','PERCENTILE_CONT','PERCENTILE_DISC','PERCENT_RANK'," +
ee061ab9ee32 Corrected DatabaseMetaData.getSQLKeywords() output.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff changeset
361 "'POSITION','POWER','PRECISION','PREPARE','PRIMARY','PROCEDURE'," +
ee061ab9ee32 Corrected DatabaseMetaData.getSQLKeywords() output.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff changeset
362 "'RANGE','RANK','READS','REAL','RECURSIVE','REF','REFERENCES','REFERENCING'," +
ee061ab9ee32 Corrected DatabaseMetaData.getSQLKeywords() output.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff changeset
363 "'REGR_AVGX','REGR_AVGY','REGR_COUNT','REGR_INTERCEPT','REGR_R2','REGR_SLOPE','REGR_SXX','REGR_SXY','REGR_SYY'," +
ee061ab9ee32 Corrected DatabaseMetaData.getSQLKeywords() output.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 724
diff changeset
364 "'RELEASE','RESULT','RETURN','RETURNS','REVOKE','RIGHT','ROLLBACK','ROLLUP','ROW','ROWS','ROW_NUMBER'," +
ee061ab9ee32 Corrected DatabaseMetaData.getSQLKeywords() output.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 724
diff changeset
365 "'SAVEPOINT','SCOPE','SCROLL','SEARCH','SECOND','SELECT','SENSITIVE','SESSION_USER','SET'," +
ee061ab9ee32 Corrected DatabaseMetaData.getSQLKeywords() output.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 724
diff changeset
366 "'SIMILAR','SMALLINT','SOME','SPECIFIC','SPECIFICTYPE','SQL','SQLEXCEPTION','SQLSTATE','SQLWARNING'," +
ee061ab9ee32 Corrected DatabaseMetaData.getSQLKeywords() output.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 724
diff changeset
367 "'SQRT','START','STATIC','STDDEV_POP','STDDEV_SAMP','SUBMULTISET','SUBSTRING','SUM'," +
ee061ab9ee32 Corrected DatabaseMetaData.getSQLKeywords() output.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 724
diff changeset
368 "'SYMMETRIC','SYSTEM','SYSTEM_USER'," +
ee061ab9ee32 Corrected DatabaseMetaData.getSQLKeywords() output.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 724
diff changeset
369 "'TABLE','TABLESAMPLE','THEN','TIME','TIMESTAMP','TIMEZONE_HOUR','TIMEZONE_MINUTE'," +
ee061ab9ee32 Corrected DatabaseMetaData.getSQLKeywords() output.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 724
diff changeset
370 "'TO','TRAILING','TRANSLATE','TRANSLATION','TREAT','TRIGGER','TRIM','TRUE'," +
ee061ab9ee32 Corrected DatabaseMetaData.getSQLKeywords() output.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 724
diff changeset
371 "'UESCAPE','UNION','UNIQUE','UNKNOWN','UNNEST','UPDATE','UPPER','USER','USING'," +
ee061ab9ee32 Corrected DatabaseMetaData.getSQLKeywords() output.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 724
diff changeset
372 "'VALUE','VALUES','VARCHAR','VARYING','VAR_POP','VAR_SAMP'," +
ee061ab9ee32 Corrected DatabaseMetaData.getSQLKeywords() output.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 724
diff changeset
373 "'WHEN','WHENEVER','WHERE','WIDTH_BUCKET','WINDOW','WITH','WITHIN','WITHOUT','YEAR'" +
ee061ab9ee32 Corrected DatabaseMetaData.getSQLKeywords() output.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 724
diff changeset
374 ") ORDER BY 1");
0
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375
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
376 /* An old MonetDB server (pre Jul2015 release) will not have a table sys.keywords and return an empty String */
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
377 return (keywords.isEmpty()) ?
0
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
378 /* for old servers return static list (as returned in clients/odbc/driver/SQLGetInfo.c case SQL_KEYWORDS:) */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff changeset
379 "ADMIN,AFTER,AGGREGATE,ALWAYS,ASYMMETRIC,ATOMIC," +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
380 "AUTO_INCREMENT,BEFORE,BIGINT,BIGSERIAL,BINARY,BLOB," +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
381 "CALL,CHAIN,CLOB,COMMITTED,COPY,CORR,CUME_DIST," +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
382 "CURRENT_ROLE,CYCLE,DATABASE,DELIMITERS,DENSE_RANK," +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
383 "DO,EACH,ELSEIF,ENCRYPTED,EVERY,EXCLUDE,FOLLOWING," +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
384 "FUNCTION,GENERATED,IF,ILIKE,INCREMENT,LAG,LEAD," +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
385 "LIMIT,LOCALTIME,LOCALTIMESTAMP,LOCKED,MAXVALUE," +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
386 "MEDIAN,MEDIUMINT,MERGE,MINVALUE,NEW,NOCYCLE," +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
387 "NOMAXVALUE,NOMINVALUE,NOW,OFFSET,OLD,OTHERS,OVER," +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
388 "PARTITION,PERCENT_RANK,PLAN,PRECEDING,PROD,QUANTILE," +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
389 "RANGE,RANK,RECORDS,REFERENCING,REMOTE,RENAME," +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
390 "REPEATABLE,REPLICA,RESTART,RETURN,RETURNS," +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
391 "ROW_NUMBER,ROWS,SAMPLE,SAVEPOINT,SCHEMA,SEQUENCE," +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
392 "SERIAL,SERIALIZABLE,SIMPLE,START,STATEMENT,STDIN," +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
393 "STDOUT,STREAM,STRING,SYMMETRIC,TIES,TINYINT,TRIGGER," +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
394 "UNBOUNDED,UNCOMMITTED,UNENCRYPTED,WHILE,XMLAGG," +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
395 "XMLATTRIBUTES,XMLCOMMENT,XMLCONCAT,XMLDOCUMENT," +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
396 "XMLELEMENT,XMLFOREST,XMLNAMESPACES,XMLPARSE,XMLPI," +
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
397 "XMLQUERY,XMLSCHEMA,XMLTEXT,XMLVALIDATE"
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
398 : keywords;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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399 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff changeset
400
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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401 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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402 * Internal utility method getConcatenatedStringFromQuery(String query)
626
06d69b82d409 Resolve javadoc error and warnings :
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 619
diff changeset
403 * @param query the SQL SELECT query. Only the output of the first column is fetched and concatenated.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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404 * @return a String of query result values concatenated into one string, and values separated by comma's
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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405 */
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
406 private String getConcatenatedStringFromQuery(final String query) {
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
407 final StringBuilder sb = new StringBuilder(1024);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
408 Statement st = null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
409 ResultSet rs = null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
410 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
411 st = con.createStatement();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
412 rs = st.executeQuery(query);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
413 // Fetch the first column output and concatenate the values into a StringBuilder separated by comma's
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
414 boolean isfirst = true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
415 while (rs.next()) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
416 String value = rs.getString(1);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
417 if (value != null) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
418 if (isfirst) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff changeset
419 isfirst = false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
420 } else {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
421 sb.append(',');
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
422 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
423 sb.append(value);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
424 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
425 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
426 } catch (SQLException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
427 /* ignore */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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428 } finally {
300
8cc3b51d1984 Add a utility method to close objects ignoring any possible SQLExceptions thrown.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 299
diff changeset
429 MonetConnection.closeResultsetStatement(rs, st);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
430 }
331
6ed8f5b1f9ed Corrected method DatabaseMetaData.getBestRowIdentifier(). It used to return columns of both primary key and unique constraints. Now it only returns the columns of the primary key if it has one, else columns of a unique constraint.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 323
diff changeset
431 // for debug: System.out.println("SQL (len " + query.length() + "): " + query + "\nResult string: " + sb.toString());
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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432 return sb.toString();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff changeset
433 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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434
19
7acc09f59b21 Added missing scalar functions sql_max and sql_min to the lists returned by getNumericFunctions(), getStringFunctions() and getTimeDateFunctions().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 15
diff changeset
435 // SQL query parts shared by four get<Type>Functions() below
298
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parents: 295
diff changeset
436 private static final String FunctionsSelect = "SELECT DISTINCT CASE WHEN \"language\" > 0 THEN s.\"name\"||'.'||f.\"name\" ELSE f.\"name\" END FROM \"sys\".\"functions\" f JOIN \"sys\".\"schemas\" s ON f.\"schema_id\" = s.\"id\" WHERE ";
6db8f6702ce8 Improved MonetDatabaseMetaData methods:
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diff changeset
437 private static final String FunctionsWhere = "(f.\"id\" IN (SELECT \"func_id\" FROM \"sys\".\"args\" WHERE \"number\" = 1 AND \"name\" = 'arg_1' AND \"type\" IN ";
263
8fbed4aeff0e Improved MonetDatabaseMetaData methods:
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parents: 261
diff changeset
438 // Scalar functions sql_max(x,y), sql_min(x,y), greatest(x,y) and least(x,y) are defined in sys.args for type 'any' and usable as num, str and timedate functions.
298
6db8f6702ce8 Improved MonetDatabaseMetaData methods:
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parents: 295
diff changeset
439 private static final String OrFunctionsMaxMin = " OR f.\"name\" IN ('sql_max','sql_min','least','greatest')";
186
4767b005a531 Making variables private where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 177
diff changeset
440 private static final String FunctionsOrderBy1 = " ORDER BY 1";
0
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
441
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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442 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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443 public String getNumericFunctions() {
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
444 final String match =
298
6db8f6702ce8 Improved MonetDatabaseMetaData methods:
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parents: 295
diff changeset
445 "('tinyint','smallint','int','bigint','hugeint','decimal','double','real'))" +
338
98018e38994b Correct getNumericFunctions() which incorrectly returned functions 'code' and 'space' as numeric functions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 332
diff changeset
446 " AND \"type\" = 1" + // only scalar functions
98018e38994b Correct getNumericFunctions() which incorrectly returned functions 'code' and 'space' as numeric functions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 332
diff changeset
447 // exclude functions which do not work or belong to string functions (code(int) and space(int))
98018e38994b Correct getNumericFunctions() which incorrectly returned functions 'code' and 'space' as numeric functions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 332
diff changeset
448 " AND f.\"name\" NOT IN ('code','not_uniques','rotate_xor_hash','space'))" +
365
63cccacad468 Add sys.ms_stuff() to returned list of StringFunctions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 363
diff changeset
449 // include specific functions which have no arguments (pi()) or are numeric. Actually ms_str is a conversion function from float to str.
298
6db8f6702ce8 Improved MonetDatabaseMetaData methods:
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parents: 295
diff changeset
450 " OR f.\"name\" IN ('alpha','degrees','fuse','ms_round','ms_str','ms_trunc','pi','radians')";
263
8fbed4aeff0e Improved MonetDatabaseMetaData methods:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
451 return getConcatenatedStringFromQuery(FunctionsSelect + FunctionsWhere + match + OrFunctionsMaxMin + FunctionsOrderBy1);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
452 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
453
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
454 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff changeset
455 public String getStringFunctions() {
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
456 final String match =
298
6db8f6702ce8 Improved MonetDatabaseMetaData methods:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 295
diff changeset
457 "('char','varchar','clob','json','url'))" +
6db8f6702ce8 Improved MonetDatabaseMetaData methods:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 295
diff changeset
458 " AND \"type\" = 1" + // only scalar functions
6db8f6702ce8 Improved MonetDatabaseMetaData methods:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 295
diff changeset
459 // exclude sql functions: get_value_for, next_value_for, restart
6db8f6702ce8 Improved MonetDatabaseMetaData methods:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 295
diff changeset
460 " AND \"mod\" <> 'sql')" +
6db8f6702ce8 Improved MonetDatabaseMetaData methods:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 295
diff changeset
461 // include specific functions code(int) and space(int) which belong to the 'str' module
6db8f6702ce8 Improved MonetDatabaseMetaData methods:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 295
diff changeset
462 " OR \"mod\" = 'str'" +
365
63cccacad468 Add sys.ms_stuff() to returned list of StringFunctions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 363
diff changeset
463 // include 3 specific json functions, md5(), ms_stuff() and udf reverse() which all accept a string arg
63cccacad468 Add sys.ms_stuff() to returned list of StringFunctions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 363
diff changeset
464 " OR f.\"name\" IN ('isarray','isobject','isvalid','md5','ms_stuff','reverse')";
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
465 final String unionPart =
298
6db8f6702ce8 Improved MonetDatabaseMetaData methods:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 295
diff changeset
466 // add functions which are not listed in sys.functions but implemented in the SQL parser (see sql/server/sql_parser.y)
268
ee4c826e3933 Extended method getNumericFunctions() by also returning functions: degrees, fuse, ms_round, ms_str, ms_trunc and radians.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 267
diff changeset
467 " UNION SELECT 'position'";
ee4c826e3933 Extended method getNumericFunctions() by also returning functions: degrees, fuse, ms_round, ms_str, ms_trunc and radians.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 267
diff changeset
468 return getConcatenatedStringFromQuery(FunctionsSelect + FunctionsWhere + match + OrFunctionsMaxMin + unionPart + FunctionsOrderBy1);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
469 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
470
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
471 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
472 public String getSystemFunctions() {
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
473 final String wherePart =
298
6db8f6702ce8 Improved MonetDatabaseMetaData methods:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 295
diff changeset
474 "f.\"name\" IN ('columnsize','debug','get_value_for','hash','hashsize','heapsize'" +
6db8f6702ce8 Improved MonetDatabaseMetaData methods:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 295
diff changeset
475 ",'ifthenelse','imprintsize','isaurl','isauuid','isnull','masterclock','mastertick'" +
363
34ce6e1b1be8 Remove support for deprecated MD5 encryption algorithm in MapiSocket.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 356
diff changeset
476 ",'newurl','next_value_for','password_hash','replicaclock','replicatick','uuid')" +
298
6db8f6702ce8 Improved MonetDatabaseMetaData methods:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 295
diff changeset
477 // add functions which are not listed in sys.functions but implemented in the SQL parser (see sql/server/sql_parser.y)
6db8f6702ce8 Improved MonetDatabaseMetaData methods:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 295
diff changeset
478 " UNION ALL SELECT * FROM (VALUES('cast'),('coalesce'),('convert'),('nullif')) as sf";
19
7acc09f59b21 Added missing scalar functions sql_max and sql_min to the lists returned by getNumericFunctions(), getStringFunctions() and getTimeDateFunctions().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 15
diff changeset
479 return getConcatenatedStringFromQuery(FunctionsSelect + wherePart + FunctionsOrderBy1);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
480 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
481
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
482 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
483 public String getTimeDateFunctions() {
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
484 final String wherePart =
298
6db8f6702ce8 Improved MonetDatabaseMetaData methods:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 295
diff changeset
485 "\"mod\" IN ('mtime','timestamp')" +
6db8f6702ce8 Improved MonetDatabaseMetaData methods:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 295
diff changeset
486 // include Date/Time functions which are located in 'str' module
6db8f6702ce8 Improved MonetDatabaseMetaData methods:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 295
diff changeset
487 " OR f.\"name\" IN ('localtime','localtimestamp','date_trunc')";
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
488 final String unionPart =
263
8fbed4aeff0e Improved MonetDatabaseMetaData methods:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
489 // add time date functions which are not listed in sys.functions but implemented in the SQL parser (see sql/server/sql_parser.y)
8fbed4aeff0e Improved MonetDatabaseMetaData methods:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
490 " UNION SELECT 'extract'" +
8fbed4aeff0e Improved MonetDatabaseMetaData methods:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
491 " UNION SELECT 'now'";
8fbed4aeff0e Improved MonetDatabaseMetaData methods:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
492 return getConcatenatedStringFromQuery(FunctionsSelect + wherePart + OrFunctionsMaxMin + unionPart + FunctionsOrderBy1);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
493 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
494
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
495 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
496 * This is the string that can be used to escape '_' and '%' in
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
497 * a search string pattern style catalog search parameters
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
498 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
499 * @return the string used to escape wildcard characters
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
500 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
501 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
502 public String getSearchStringEscape() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
503 return "\\";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
504 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
505
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
506 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
507 * Get all the "extra" characters that can be used in unquoted
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
508 * identifier names (those beyond a-zA-Z0-9 and _)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
509 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
510 * @return a string containing the extra characters
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
511 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
512 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
513 public String getExtraNameCharacters() {
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
514 // MonetDB has no extra characters. Verified it for chars: !@#$%^&*()~{}[]?
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
515 return "";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
516 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
517
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
518 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
519 * Is "ALTER TABLE" with an add column supported?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
520 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
521 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
522 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
523 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
524 public boolean supportsAlterTableWithAddColumn() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
525 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
526 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
527
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
528 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
529 * Is "ALTER TABLE" with a drop column supported?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
530 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
531 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
532 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
533 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
534 public boolean supportsAlterTableWithDropColumn() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
535 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
536 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
537
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
538 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
539 * Is column aliasing supported?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
540 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
541 * <p>If so, the SQL AS clause can be used to provide names for
213
115f6351bf4b Update some documentation text
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 200
diff changeset
542 * computed columns or to provide alias names for columns as required.
231
68b9452f1215 Fix warnings:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 222
diff changeset
543 * A JDBC Compliant <sup>TM</sup> driver always returns true.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
544 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
545 * <p>e.g.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
546 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
547 * <br><pre>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
548 * select count(C) as C_COUNT from T group by C;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
549 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
550 * </pre><br>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
551 * should return a column named as C_COUNT instead of count(C)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
552 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
553 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
554 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
555 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
556 public boolean supportsColumnAliasing() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
557 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
558 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
559
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
560 /**
213
115f6351bf4b Update some documentation text
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 200
diff changeset
561 * Are concatenations between NULL and non-NULL values NULL?
231
68b9452f1215 Fix warnings:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 222
diff changeset
562 * A JDBC Compliant <sup>TM</sup> driver always returns true.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
563 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
564 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
565 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
566 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
567 public boolean nullPlusNonNullIsNull() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
568 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
569 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
570
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
571 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
572 * Retrieves whether this database supports the JDBC scalar function
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
573 * CONVERT for the conversion of one JDBC type to another.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
574 * The JDBC types are the generic SQL data types defined in java.sql.Types.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
575 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
576 * @return true if so; false otherwise
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
577 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
578 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
579 public boolean supportsConvert() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
580 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
581 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
582
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
583 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
584 * Retrieves whether this database supports the JDBC scalar function
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
585 * CONVERT for conversions between the JDBC types fromType and toType.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
586 * The JDBC types are the generic SQL data types defined in java.sql.Types.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
587 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
588 * @return true if so; false otherwise
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
589 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
590 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
591 public boolean supportsConvert(final int fromType, final int toType) {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
592 switch (fromType) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
593 case Types.BOOLEAN:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
594 switch (toType) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
595 case Types.BOOLEAN:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
596 /* case Types.BIT: is not supported by MonetDB and will fail */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
597 case Types.TINYINT:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
598 case Types.SMALLINT:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
599 case Types.INTEGER:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
600 case Types.BIGINT:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
601 /* conversion to FLOAT, REAL, DOUBLE, NUMERIC and DECIMAL is not supported by MonetDB */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
602 case Types.CHAR:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
603 case Types.VARCHAR:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
604 /* case Types.LONGVARCHAR: is not supported by MonetDB and will fail */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
605 case Types.CLOB:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
606 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
607 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
608 // conversion to all other types is not supported
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
609 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
610 /* case Types.BIT: is not supported by MonetDB and will fail */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
611 /* case Types.BINARY: is not supported by MonetDB and will fail */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
612 /* case Types.VARBINARY: is not supported by MonetDB and will fail */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
613 /* case Types.LONGVARBINARY: is not supported by MonetDB and will fail */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
614 case Types.BLOB:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
615 switch (toType) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
616 /* case Types.BINARY: is not supported by MonetDB and will fail */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
617 /* case Types.VARBINARY: is not supported by MonetDB and will fail */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
618 /* case Types.LONGVARBINARY: is not supported by MonetDB and will fail */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
619 case Types.BLOB:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
620 case Types.VARCHAR:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
621 /* case Types.LONGVARCHAR: is not supported by MonetDB and will fail */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
622 case Types.CLOB:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
623 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
624 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
625 // conversion to all other types is not supported
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
626 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
627 case Types.TINYINT:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
628 case Types.SMALLINT:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
629 case Types.INTEGER:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
630 case Types.BIGINT:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
631 case Types.FLOAT:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
632 case Types.REAL:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
633 case Types.DOUBLE:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
634 case Types.NUMERIC:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
635 case Types.DECIMAL:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
636 switch (toType) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
637 case Types.BOOLEAN:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
638 /* case Types.BIT: is not supported by MonetDB and will fail */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
639 case Types.TINYINT:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
640 case Types.SMALLINT:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
641 case Types.INTEGER:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
642 case Types.BIGINT:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
643 case Types.FLOAT:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
644 case Types.REAL:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
645 case Types.DOUBLE:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
646 case Types.NUMERIC:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
647 case Types.DECIMAL:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
648 case Types.CHAR:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
649 case Types.VARCHAR:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
650 /* case Types.LONGVARCHAR: is not supported by MonetDB and will fail */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
651 case Types.CLOB:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
652 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
653 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
654 // conversion to all other types is not supported
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
655 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
656 case Types.CHAR:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
657 case Types.VARCHAR:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
658 /* case Types.LONGVARCHAR: is not supported by MonetDB and will fail */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
659 case Types.CLOB:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
660 switch (toType) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
661 case Types.BOOLEAN:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
662 /* case Types.BIT: is not supported by MonetDB and will fail */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
663 case Types.TINYINT:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
664 case Types.SMALLINT:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
665 case Types.INTEGER:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
666 case Types.BIGINT:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
667 case Types.FLOAT:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
668 case Types.REAL:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
669 case Types.DOUBLE:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
670 case Types.NUMERIC:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
671 case Types.DECIMAL:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
672 case Types.CHAR:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
673 case Types.VARCHAR:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
674 /* case Types.LONGVARCHAR: is not supported by MonetDB and will fail */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
675 case Types.CLOB:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
676 case Types.BLOB:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
677 case Types.DATE:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
678 case Types.TIME:
380
bf521f343172 Added support for new Java 8 java.sql.Types: Types.TIME_WITH_TIMEZONE and Types.TIMESTAMP_WITH_TIMEZONE.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 379
diff changeset
679 case Types.TIME_WITH_TIMEZONE:
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
680 case Types.TIMESTAMP:
380
bf521f343172 Added support for new Java 8 java.sql.Types: Types.TIME_WITH_TIMEZONE and Types.TIMESTAMP_WITH_TIMEZONE.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 379
diff changeset
681 case Types.TIMESTAMP_WITH_TIMEZONE:
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
682 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
683 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
684 // conversion to all other types is not supported
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
685 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
686 case Types.DATE:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
687 switch (toType) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
688 case Types.CHAR:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
689 case Types.VARCHAR:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
690 /* case Types.LONGVARCHAR: is not supported by MonetDB and will fail */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
691 case Types.CLOB:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
692 case Types.DATE:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
693 case Types.TIMESTAMP:
380
bf521f343172 Added support for new Java 8 java.sql.Types: Types.TIME_WITH_TIMEZONE and Types.TIMESTAMP_WITH_TIMEZONE.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 379
diff changeset
694 case Types.TIMESTAMP_WITH_TIMEZONE:
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
695 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
696 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
697 // conversion to all other types is not supported
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
698 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
699 case Types.TIME:
380
bf521f343172 Added support for new Java 8 java.sql.Types: Types.TIME_WITH_TIMEZONE and Types.TIMESTAMP_WITH_TIMEZONE.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 379
diff changeset
700 case Types.TIME_WITH_TIMEZONE:
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
701 switch (toType) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
702 case Types.CHAR:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
703 case Types.VARCHAR:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
704 /* case Types.LONGVARCHAR: is not supported by MonetDB and will fail */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
705 case Types.CLOB:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
706 case Types.TIME:
380
bf521f343172 Added support for new Java 8 java.sql.Types: Types.TIME_WITH_TIMEZONE and Types.TIMESTAMP_WITH_TIMEZONE.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 379
diff changeset
707 case Types.TIME_WITH_TIMEZONE:
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
708 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
709 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
710 // conversion to all other types is not supported
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
711 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
712 case Types.TIMESTAMP:
380
bf521f343172 Added support for new Java 8 java.sql.Types: Types.TIME_WITH_TIMEZONE and Types.TIMESTAMP_WITH_TIMEZONE.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 379
diff changeset
713 case Types.TIMESTAMP_WITH_TIMEZONE:
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
714 switch (toType) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
715 case Types.CHAR:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
716 case Types.VARCHAR:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
717 /* case Types.LONGVARCHAR: is not supported by MonetDB and will fail */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
718 case Types.CLOB:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
719 case Types.DATE:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
720 case Types.TIME:
380
bf521f343172 Added support for new Java 8 java.sql.Types: Types.TIME_WITH_TIMEZONE and Types.TIMESTAMP_WITH_TIMEZONE.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 379
diff changeset
721 case Types.TIME_WITH_TIMEZONE:
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
722 case Types.TIMESTAMP:
380
bf521f343172 Added support for new Java 8 java.sql.Types: Types.TIME_WITH_TIMEZONE and Types.TIMESTAMP_WITH_TIMEZONE.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 379
diff changeset
723 case Types.TIMESTAMP_WITH_TIMEZONE:
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
724 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
725 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
726 // conversion to all other types is not supported
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
727 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
728 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
729
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
730 // conversion from all other JDBC SQL types are not supported
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
731 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
732 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
733
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
734 /**
213
115f6351bf4b Update some documentation text
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 200
diff changeset
735 * Are table correlation names supported?
231
68b9452f1215 Fix warnings:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 222
diff changeset
736 * A JDBC Compliant <sup>TM</sup> driver always returns true.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
737 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
738 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
739 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
740 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
741 public boolean supportsTableCorrelationNames() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
742 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
743 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
744
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
745 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
746 * If table correlation names are supported, are they restricted to
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
747 * be different from the names of the tables?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
748 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
749 * @return true if so; false otherwise
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
750 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
751 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
752 public boolean supportsDifferentTableCorrelationNames() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
753 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
754 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
755
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
756 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
757 * Are expressions in "ORDER BY" lists supported?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
758 * e.g. select * from t order by a + b;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
759 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
760 * MonetDB supports this, try:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
761 * select (radix * 1000) + digits as comp, * from types order by (radix * 1000) + digits, -id;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
762 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
763 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
764 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
765 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
766 public boolean supportsExpressionsInOrderBy() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
767 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
768 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
769
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
770 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
771 * Can an "ORDER BY" clause use columns not in the SELECT?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
772 * MonetDB differs from SQL03 =&gt; true
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
773 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
774 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
775 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
776 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
777 public boolean supportsOrderByUnrelated() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
778 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
779 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
780
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
781 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
782 * Is some form of "GROUP BY" clause supported?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
783 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
784 * @return true since MonetDB supports it
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
785 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
786 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
787 public boolean supportsGroupBy() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
788 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
789 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
790
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
791 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
792 * Can a "GROUP BY" clause use columns not in the SELECT?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
793 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
794 * @return true since that also is supported
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
795 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
796 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
797 public boolean supportsGroupByUnrelated() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
798 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
799 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
800
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
801 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
802 * Can a "GROUP BY" clause add columns not in the SELECT provided
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
803 * it specifies all the columns in the SELECT?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
804 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
805 * (MonetDB already supports the more difficult supportsGroupByUnrelated(),
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
806 * so this is a piece of cake)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
807 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
808 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
809 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
810 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
811 public boolean supportsGroupByBeyondSelect() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
812 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
813 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
814
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
815 /**
213
115f6351bf4b Update some documentation text
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 200
diff changeset
816 * Is the escape character in "LIKE" clauses supported?
231
68b9452f1215 Fix warnings:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 222
diff changeset
817 * A JDBC Compliant <sup>TM</sup> driver always returns true.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
818 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
819 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
820 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
821 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
822 public boolean supportsLikeEscapeClause() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
823 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
824 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
825
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
826 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
827 * Are multiple ResultSets from a single execute supported?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
828 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
829 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
830 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
831 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
832 public boolean supportsMultipleResultSets() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
833 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
834 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
835
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
836 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
837 * Can we have multiple transactions open at once (on different
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
838 * connections?)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
839 * This is the main idea behind the Connection, is it?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
840 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
841 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
842 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
843 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
844 public boolean supportsMultipleTransactions() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
845 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
846 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
847
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
848 /**
213
115f6351bf4b Update some documentation text
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 200
diff changeset
849 * Can columns be defined as non-nullable.
231
68b9452f1215 Fix warnings:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 222
diff changeset
850 * A JDBC Compliant <sup>TM</sup> driver always returns true.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
851 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
852 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
853 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
854 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
855 public boolean supportsNonNullableColumns() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
856 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
857 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
858
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
859 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
860 * Does this driver support the minimum ODBC SQL grammar. This
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
861 * grammar is defined at:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
862 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
863 * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/odbc/htm/odappcpr.asp
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
864 * From this description, we seem to support the ODBC minimal (Level 0) grammar.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
865 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
866 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
867 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
868 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
869 public boolean supportsMinimumSQLGrammar() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
870 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
871 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
872
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
873 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
874 * Does this driver support the Core ODBC SQL grammar. We need
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
875 * SQL-92 conformance for this.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
876 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
877 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
878 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
879 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
880 public boolean supportsCoreSQLGrammar() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
881 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
882 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
883
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
884 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
885 * Does this driver support the Extended (Level 2) ODBC SQL
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
886 * grammar. We don't conform to the Core (Level 1), so we can't
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
887 * conform to the Extended SQL Grammar.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
888 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
889 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
890 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
891 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
892 public boolean supportsExtendedSQLGrammar() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
893 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
894 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
895
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
896 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
897 * Does this driver support the ANSI-92 entry level SQL grammar?
231
68b9452f1215 Fix warnings:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 222
diff changeset
898 * All JDBC Compliant <sup>TM</sup> drivers must return true.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
899 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
900 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
901 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
902 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
903 public boolean supportsANSI92EntryLevelSQL() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
904 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
905 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
906
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
907 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
908 * Does this driver support the ANSI-92 intermediate level SQL
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
909 * grammar?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
910 * probably not
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
911 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
912 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
913 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
914 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
915 public boolean supportsANSI92IntermediateSQL() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
916 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
917 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
918
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
919 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
920 * Does this driver support the ANSI-92 full SQL grammar?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
921 * Would be good if it was like that
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
922 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
923 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
924 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
925 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
926 public boolean supportsANSI92FullSQL() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
927 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
928 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
929
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
930 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
931 * Is the SQL Integrity Enhancement Facility supported?
267
43ea6c50483e Correct return value for supportsIntegrityEnhancementFacility()
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 265
diff changeset
932 *
43ea6c50483e Correct return value for supportsIntegrityEnhancementFacility()
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 265
diff changeset
933 * The SQL Integrity Enhancement facility offers additional tools for referential integrity,
43ea6c50483e Correct return value for supportsIntegrityEnhancementFacility()
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 265
diff changeset
934 * CHECK constraint clauses, and DEFAULT clauses. Referential integrity allows specification of
43ea6c50483e Correct return value for supportsIntegrityEnhancementFacility()
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 265
diff changeset
935 * primary and foreign keys with the requirement that no foreign key row may be inserted or
43ea6c50483e Correct return value for supportsIntegrityEnhancementFacility()
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 265
diff changeset
936 * updated unless a matching primary key row exists. Check clauses allow specification of
43ea6c50483e Correct return value for supportsIntegrityEnhancementFacility()
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 265
diff changeset
937 * inter-column constraints to be maintained by the database system.
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
938 * Default clauses provide optional default values for missing data.
267
43ea6c50483e Correct return value for supportsIntegrityEnhancementFacility()
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 265
diff changeset
939 *
43ea6c50483e Correct return value for supportsIntegrityEnhancementFacility()
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 265
diff changeset
940 * We currently do not supprt CHECK constraints (see bug 3568) nor deferrable FK constraints.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
941 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
942 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
943 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
944 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
945 public boolean supportsIntegrityEnhancementFacility() {
267
43ea6c50483e Correct return value for supportsIntegrityEnhancementFacility()
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 265
diff changeset
946 return false;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
947 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
948
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
949 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
950 * Is some form of outer join supported?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
951 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
952 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
953 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
954 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
955 public boolean supportsOuterJoins(){
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
956 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
957 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
958
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
959 /**
15
6e48d0fae766 Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 7
diff changeset
960 * Are full nested outer joins supported?
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
961 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
962 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
963 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
964 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
965 public boolean supportsFullOuterJoins() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
966 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
967 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
968
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
969 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
970 * Is there limited support for outer joins?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
971 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
972 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
973 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
974 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
975 public boolean supportsLimitedOuterJoins() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
976 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
977 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
978
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
979 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
980 * What is the database vendor's preferred term for "schema"?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
981 * MonetDB uses the term "schema".
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
982 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
983 * @return the vendor term
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
984 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
985 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
986 public String getSchemaTerm() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
987 return "schema";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
988 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
989
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
990 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
991 * What is the database vendor's preferred term for "procedure"?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
992 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
993 * @return the vendor term
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
994 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
995 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
996 public String getProcedureTerm() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
997 return "procedure";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
998 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
999
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1000 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1001 * What is the database vendor's preferred term for "catalog"?
356
eabbc5bf7cdb Corrected the return value of getCatalogTerm();
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 352
diff changeset
1002 *
eabbc5bf7cdb Corrected the return value of getCatalogTerm();
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 352
diff changeset
1003 * MonetDB doesn't support the SQL catalog naming concept.
eabbc5bf7cdb Corrected the return value of getCatalogTerm();
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 352
diff changeset
1004 * Only SQL schemas are supported.
eabbc5bf7cdb Corrected the return value of getCatalogTerm();
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 352
diff changeset
1005 * We also do not allow the name of a database to be included in
eabbc5bf7cdb Corrected the return value of getCatalogTerm();
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 352
diff changeset
1006 * a fully qualified name, so we shouldn't return "database" here.
eabbc5bf7cdb Corrected the return value of getCatalogTerm();
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 352
diff changeset
1007 * A database is a different concept than an SQL catalog.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1008 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1009 * @return the vendor term
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1010 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1011 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1012 public String getCatalogTerm() {
356
eabbc5bf7cdb Corrected the return value of getCatalogTerm();
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 352
diff changeset
1013 // MonetDB does NOT support catalogs, so also no catalog term
eabbc5bf7cdb Corrected the return value of getCatalogTerm();
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 352
diff changeset
1014 // Some generic SQL clients (e.g. DbVisualiser) use this string in their GUI
eabbc5bf7cdb Corrected the return value of getCatalogTerm();
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 352
diff changeset
1015 // To avoid NPE, just return an abrev string: "cat" (we like cats)
eabbc5bf7cdb Corrected the return value of getCatalogTerm();
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 352
diff changeset
1016 return "cat";
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1017 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1018
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1019 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1020 * Does a catalog appear at the start of a qualified table name?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1021 * (Otherwise it appears at the end).
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1022 * Currently there is no catalog support at all in MonetDB
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1023 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1024 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1025 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1026 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1027 public boolean isCatalogAtStart() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1028 // return true here; we return false for every other catalog function
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1029 // so it won't matter what we return here
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1030 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1031 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1032
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1033 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1034 * What is the Catalog separator.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1035 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1036 * @return the catalog separator string
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1037 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1038 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1039 public String getCatalogSeparator() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1040 // MonetDB does NOT support catalogs, so also no catalog separator
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1041 return null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1042 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1043
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1044 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1045 * Can a schema name be used in a data manipulation statement?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1046 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1047 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1048 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1049 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1050 public boolean supportsSchemasInDataManipulation() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1051 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1052 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1053
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1054 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1055 * Can a schema name be used in a procedure call statement?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1056 * Ohw probably, but I don't know of procedures in MonetDB
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1057 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1058 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1059 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1060 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1061 public boolean supportsSchemasInProcedureCalls() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1062 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1063 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1064
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1065 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1066 * Can a schema be used in a table definition statement?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1067 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1068 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1069 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1070 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1071 public boolean supportsSchemasInTableDefinitions() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1072 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1073 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1074
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1075 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1076 * Can a schema name be used in an index definition statement?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1077 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1078 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1079 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1080 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1081 public boolean supportsSchemasInIndexDefinitions() {
294
894abb249de1 Corrected 3 MonetDatabaseMetaData methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 286
diff changeset
1082 // we currently do NOT support: create index sch.tblidx on sch.tbl(col);
894abb249de1 Corrected 3 MonetDatabaseMetaData methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 286
diff changeset
1083 // only: create index tblidx on sch.tbl(col);
894abb249de1 Corrected 3 MonetDatabaseMetaData methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 286
diff changeset
1084 return false;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1085 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1086
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1087 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1088 * Can a schema name be used in a privilege definition statement?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1089 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1090 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1091 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1092 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1093 public boolean supportsSchemasInPrivilegeDefinitions() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1094 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1095 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1096
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1097 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1098 * Can a catalog name be used in a data manipulation statement?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1099 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1100 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1101 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1102 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1103 public boolean supportsCatalogsInDataManipulation() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1104 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1105 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1106
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1107 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1108 * Can a catalog name be used in a procedure call statement?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1109 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1110 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1111 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1112 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1113 public boolean supportsCatalogsInProcedureCalls() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1114 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1115 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1116
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1117 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1118 * Can a catalog name be used in a table definition statement?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1119 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1120 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1121 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1122 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1123 public boolean supportsCatalogsInTableDefinitions() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1124 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1125 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1126
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1127 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1128 * Can a catalog name be used in an index definition?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1129 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1130 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1131 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1132 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1133 public boolean supportsCatalogsInIndexDefinitions() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1134 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1135 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1136
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1137 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1138 * Can a catalog name be used in a privilege definition statement?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1139 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1140 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1141 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1142 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1143 public boolean supportsCatalogsInPrivilegeDefinitions() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1144 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1145 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1146
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1147 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1148 * MonetDB doesn't support positioned DELETEs I guess
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1149 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1150 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1151 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1152 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1153 public boolean supportsPositionedDelete() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1154 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1155 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1156
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1157 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1158 * Is positioned UPDATE supported? (same as above)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1159 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1160 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1161 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1162 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1163 public boolean supportsPositionedUpdate() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1164 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1165 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1166
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1167 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1168 * Is SELECT FOR UPDATE supported?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1169 * My test resulted in a negative answer
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1170 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1171 * @return true if so; false otherwise
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1172 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1173 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1174 public boolean supportsSelectForUpdate(){
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1175 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1176 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1177
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1178 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1179 * Are stored procedure calls using the stored procedure escape
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1180 * syntax supported?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1181 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1182 * @return true if so; false otherwise
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1183 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1184 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1185 public boolean supportsStoredProcedures() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1186 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1187 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1188
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1189 /**
213
115f6351bf4b Update some documentation text
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 200
diff changeset
1190 * Are subqueries in comparison expressions supported?
231
68b9452f1215 Fix warnings:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 222
diff changeset
1191 * A JDBC Compliant <sup>TM</sup> driver always returns true.
213
115f6351bf4b Update some documentation text
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 200
diff changeset
1192 * MonetDB also supports this
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1193 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1194 * @return true if so; false otherwise
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1195 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1196 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1197 public boolean supportsSubqueriesInComparisons() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1198 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1199 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1200
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1201 /**
213
115f6351bf4b Update some documentation text
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 200
diff changeset
1202 * Are subqueries in 'exists' expressions supported?
231
68b9452f1215 Fix warnings:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 222
diff changeset
1203 * A JDBC Compliant <sup>TM</sup> driver always returns true.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1204 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1205 * @return true if so; false otherwise
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1206 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1207 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1208 public boolean supportsSubqueriesInExists() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1209 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1210 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1211
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1212 /**
213
115f6351bf4b Update some documentation text
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 200
diff changeset
1213 * Are subqueries in 'in' statements supported?
231
68b9452f1215 Fix warnings:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 222
diff changeset
1214 * A JDBC Compliant <sup>TM</sup> driver always returns true.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1215 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1216 * @return true if so; false otherwise
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1217 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1218 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1219 public boolean supportsSubqueriesInIns() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1220 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1221 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1222
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1223 /**
213
115f6351bf4b Update some documentation text
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 200
diff changeset
1224 * Are subqueries in quantified expressions supported?
231
68b9452f1215 Fix warnings:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 222
diff changeset
1225 * A JDBC Compliant <sup>TM</sup> driver always returns true.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1226 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1227 * (No idea what this is, but we support a good deal of
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1228 * subquerying.)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1229 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1230 * @return true if so; false otherwise
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1231 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1232 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1233 public boolean supportsSubqueriesInQuantifieds() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1234 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1235 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1236
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1237 /**
213
115f6351bf4b Update some documentation text
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 200
diff changeset
1238 * Are correlated subqueries supported?
231
68b9452f1215 Fix warnings:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 222
diff changeset
1239 * A JDBC Compliant <sup>TM</sup> driver always returns true.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1240 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1241 * (a.k.a. subselect in from?)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1242 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1243 * @return true if so; false otherwise
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1244 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1245 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1246 public boolean supportsCorrelatedSubqueries() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1247 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1248 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1249
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1250 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1251 * Is SQL UNION supported?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1252 * since 2004-03-20
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1253 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1254 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1255 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1256 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1257 public boolean supportsUnion() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1258 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1259 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1260
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1261 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1262 * Is SQL UNION ALL supported?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1263 * since 2004-03-20
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1264 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1265 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1266 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1267 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1268 public boolean supportsUnionAll() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1269 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1270 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1271
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1272 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1273 * ResultSet objects (cursors) are not closed upon explicit or
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1274 * implicit commit.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1275 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1276 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1277 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1278 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1279 public boolean supportsOpenCursorsAcrossCommit() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1280 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1281 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1282
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1283 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1284 * Same as above
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1285 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1286 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1287 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1288 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1289 public boolean supportsOpenCursorsAcrossRollback() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1290 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1291 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1292
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1293 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1294 * Can statements remain open across commits? They may, but
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1295 * this driver cannot guarentee that. In further reflection.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1296 * we are taking a Statement object here, so the answer is
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1297 * yes, since the Statement is only a vehicle to execute some SQL
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1298 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1299 * @return true if they always remain open; false otherwise
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1300 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1301 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1302 public boolean supportsOpenStatementsAcrossCommit() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1303 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1304 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1305
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1306 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1307 * Can statements remain open across rollbacks? They may, but
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1308 * this driver cannot guarentee that. In further contemplation,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1309 * we are taking a Statement object here, so the answer is yes again.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1310 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1311 * @return true if they always remain open; false otherwise
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1312 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1313 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1314 public boolean supportsOpenStatementsAcrossRollback() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1315 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1316 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1317
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1318 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1319 * How many hex characters can you have in an inline binary literal
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1320 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1321 * @return the max literal length
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1322 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1323 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1324 public int getMaxBinaryLiteralLength() {
15
6e48d0fae766 Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 7
diff changeset
1325 return 2*1024*1024*1024 - 2; // MonetDB supports null terminated strings of max 2GB, see function: int UTF8_strlen()
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1326 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1327
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1328 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1329 * What is the maximum length for a character literal
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1330 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1331 * @return the max literal length
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1332 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1333 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1334 public int getMaxCharLiteralLength() {
15
6e48d0fae766 Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 7
diff changeset
1335 return 2*1024*1024*1024 - 2; // MonetDB supports null terminated strings of max 2GB, see function: int UTF8_strlen()
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1336 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1337
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1338 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1339 * Whats the limit on column name length.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1340 * I take some safety here, but it's just a varchar in MonetDB
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1341 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1342 * @return the maximum column name length
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1343 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1344 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1345 public int getMaxColumnNameLength() {
15
6e48d0fae766 Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 7
diff changeset
1346 return 1024; // In MonetDB the max length of column sys._columns.name is defined as 1024
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1347 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1348
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1349 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1350 * What is the maximum number of columns in a "GROUP BY" clause?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1351 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1352 * @return the max number of columns
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1353 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1354 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1355 public int getMaxColumnsInGroupBy() {
15
6e48d0fae766 Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 7
diff changeset
1356 return 0; // no specific limit known
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1357 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1358
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1359 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1360 * What's the maximum number of columns allowed in an index?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1361 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1362 * @return max number of columns
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1363 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1364 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1365 public int getMaxColumnsInIndex() {
15
6e48d0fae766 Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 7
diff changeset
1366 return 0; // no specific limit known
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1367 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1368
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1369 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1370 * What's the maximum number of columns in an "ORDER BY clause?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1371 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1372 * @return the max columns
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1373 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1374 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1375 public int getMaxColumnsInOrderBy() {
15
6e48d0fae766 Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 7
diff changeset
1376 return 0; // no specific limit known
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1377 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1378
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1379 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1380 * What is the maximum number of columns in a "SELECT" list?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1381 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1382 * @return the max columns
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1383 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1384 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1385 public int getMaxColumnsInSelect() {
15
6e48d0fae766 Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 7
diff changeset
1386 return 0; // no specific limit known
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1387 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1388
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1389 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1390 * What is the maximum number of columns in a table?
15
6e48d0fae766 Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 7
diff changeset
1391 *
6e48d0fae766 Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 7
diff changeset
1392 * The theoretical max value of int column sys._columns.id is 2^31 -1
6e48d0fae766 Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 7
diff changeset
1393 * but this is for all columns of all tables in all schemas (including all data dictionary columns).
6e48d0fae766 Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 7
diff changeset
1394 * For one table we should reduce it to a more practical soft limit of say 100 thousand
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1395 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1396 * @return the max columns
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1397 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1398 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1399 public int getMaxColumnsInTable() {
15
6e48d0fae766 Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 7
diff changeset
1400 return 100*1000; // soft limit it to 100 thousand
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1401 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1402
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1403 /**
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 331
diff changeset
1404 * Retrieves the maximum number of concurrent connections to this database that are possible.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1405 *
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 331
diff changeset
1406 * @return the maximum number of active connections possible at one time; a result of zero means that there is no limit or the limit is not known
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1407 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1408 @Override
7
b3ca1157be73 Improve DatabaseMetaData.getDatabaseProductVersion() to never return a null String.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 0
diff changeset
1409 public int getMaxConnections() throws SQLException {
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 331
diff changeset
1410 return con.getMaxConnections();
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1411 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1412
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1413 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1414 * What is the maximum cursor name length
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1415 * Actually we do not do named cursors, so I keep the value small as
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1416 * a precaution for maybe the future.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1417 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1418 * @return max cursor name length in bytes
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1419 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1420 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1421 public int getMaxCursorNameLength() {
15
6e48d0fae766 Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 7
diff changeset
1422 return 0; // no specific limit known
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1423 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1424
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1425 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1426 * Retrieves the maximum number of bytes for an index, including all
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1427 * of the parts of the index.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1428 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1429 * @return max index length in bytes, which includes the composite
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1430 * of all the constituent parts of the index; a result of zero
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1431 * means that there is no limit or the limit is not known
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1432 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1433 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1434 public int getMaxIndexLength() {
15
6e48d0fae766 Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 7
diff changeset
1435 return 0; // no specific limit known
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1436 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1437
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1438 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1439 * Retrieves the maximum number of characters that this database
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1440 * allows in a schema name.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1441 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1442 * @return the number of characters or 0 if there is no limit, or the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1443 * limit is unknown.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1444 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1445 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1446 public int getMaxSchemaNameLength() {
15
6e48d0fae766 Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 7
diff changeset
1447 return 1024; // In MonetDB the max length of column sys.schemas.name is defined as 1024
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1448 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1449
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1450 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1451 * What is the maximum length of a procedure name
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1452 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1453 * @return the max name length in bytes
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1454 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1455 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1456 public int getMaxProcedureNameLength() {
15
6e48d0fae766 Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 7
diff changeset
1457 return 256; // In MonetDB the max length of column sys.functions.name is defined as 256
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1458 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1459
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1460 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1461 * What is the maximum length of a catalog
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1462 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1463 * @return the maximum number of characters allowed in a catalog name;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1464 * a result of zero means that there is no limit or the limit is not known
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1465 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1466 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1467 public int getMaxCatalogNameLength() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1468 return 0; // MonetDB does not support catalog names
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1469 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1470
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1471 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1472 * What is the maximum length of a single row?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1473 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1474 * @return max row size in bytes
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1475 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1476 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1477 public int getMaxRowSize() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1478 return 0; // very long I hope...
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1479 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1480
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1481 /**
15
6e48d0fae766 Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 7
diff changeset
1482 * Did getMaxRowSize() include the SQL data types LONGVARCHAR and LONGVARBINARY
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1483 * blobs?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1484 * Yes I thought so...
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1485 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1486 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1487 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1488 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1489 public boolean doesMaxRowSizeIncludeBlobs() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1490 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1491 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1492
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1493 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1494 * What is the maximum length of a SQL statement?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1495 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1496 * @return max length in bytes
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1497 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1498 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1499 public int getMaxStatementLength() {
15
6e48d0fae766 Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 7
diff changeset
1500 return 2*1024*1024*1024 - 2; // MonetDB supports null terminated strings of max 2GB, see function: int UTF8_strlen()
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1501 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1502
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1503 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1504 * How many active statements can we have open at one time to
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1505 * this database? Basically, since each Statement downloads
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1506 * the results as the query is executed, we can have many.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1507 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1508 * @return the maximum
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1509 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1510 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1511 public int getMaxStatements() {
15
6e48d0fae766 Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 7
diff changeset
1512 return 0; // no specific limit known
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1513 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1514
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1515 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1516 * What is the maximum length of a table name
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1517 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1518 * @return max name length in bytes
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1519 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1520 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1521 public int getMaxTableNameLength() {
15
6e48d0fae766 Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 7
diff changeset
1522 return 1024; // In MonetDB the max length of column sys._tables.name is defined as 1024
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1523 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1524
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1525 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1526 * What is the maximum number of tables that can be specified
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1527 * in a SELECT?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1528 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1529 * @return the maximum
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1530 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1531 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1532 public int getMaxTablesInSelect() {
15
6e48d0fae766 Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 7
diff changeset
1533 return 0; // no specific limit known
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1534 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1535
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1536 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1537 * What is the maximum length of a user name
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1538 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1539 * @return the max name length in bytes
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1540 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1541 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1542 public int getMaxUserNameLength() {
15
6e48d0fae766 Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 7
diff changeset
1543 return 1024; // In MonetDB the max length of column sys.db_user_info.name is defined as 1024
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1544 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1545
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1546 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1547 * What is the database's default transaction isolation level?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1548 * We only see commited data, nonrepeatable reads and phantom
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1549 * reads can occur.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1550 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1551 * @return the default isolation level
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1552 * @see Connection
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1553 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1554 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1555 public int getDefaultTransactionIsolation() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1556 return Connection.TRANSACTION_SERIALIZABLE;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1557 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1558
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1559 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1560 * Are transactions supported? If not, commit and rollback are noops
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1561 * and the isolation level is TRANSACTION_NONE. We do support
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1562 * transactions.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1563 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1564 * @return true if transactions are supported
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1565 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1566 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1567 public boolean supportsTransactions() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1568 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1569 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1570
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1571 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1572 * Does the database support the given transaction isolation level?
213
115f6351bf4b Update some documentation text
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 200
diff changeset
1573 * We only support TRANSACTION_SERIALIZABLE as far as I know
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1574 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1575 * @param level the values are defined in java.sql.Connection
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1576 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1577 * @see Connection
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1578 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1579 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
1580 public boolean supportsTransactionIsolationLevel(final int level) {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1581 return level == Connection.TRANSACTION_SERIALIZABLE;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1582 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1583
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1584 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1585 * Are both data definition and data manipulation transactions
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1586 * supported?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1587 * Supposedly that data definition is like CREATE or ALTER TABLE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1588 * yes it is.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1589 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1590 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1591 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1592 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1593 public boolean supportsDataDefinitionAndDataManipulationTransactions() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1594 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1595 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1596
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1597 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1598 * Are only data manipulation statements within a transaction
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1599 * supported?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1600 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1601 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1602 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1603 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1604 public boolean supportsDataManipulationTransactionsOnly() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1605 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1606 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1607
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1608 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1609 * Does a data definition statement within a transaction force
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1610 * the transaction to commit? I think this means something like:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1611 *
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1612 * <pre>
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1613 * CREATE TABLE T (A INT);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1614 * INSERT INTO T (A) VALUES (2);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1615 * BEGIN;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1616 * UPDATE T SET A = A + 1;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1617 * CREATE TABLE X (A INT);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1618 * SELECT A FROM T INTO X;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1619 * COMMIT;
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1620 * </pre>
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1621 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1622 * does the CREATE TABLE call cause a commit? The answer is no.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1623 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1624 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1625 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1626 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1627 public boolean dataDefinitionCausesTransactionCommit() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1628 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1629 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1630
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1631 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1632 * Is a data definition statement within a transaction ignored?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1633 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1634 * @return true if so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1635 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1636 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1637 public boolean dataDefinitionIgnoredInTransactions() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1638 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1639 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1640
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1641 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1642 * Get a description of stored procedures available in a catalog
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1643 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1644 * <p>Only procedure descriptions matching the schema and procedure
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1645 * name criteria are returned. They are ordered by PROCEDURE_SCHEM,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1646 * PROCEDURE_NAME and SPECIFIC_NAME.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1647 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1648 * <p>Each procedure description has the following columns:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1649 * <ol>
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1650 * <li><b>PROCEDURE_CAT</b> String =&gt; procedure catalog (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1651 * <li><b>PROCEDURE_SCHEM</b> String =&gt; procedure schema (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1652 * <li><b>PROCEDURE_NAME</b> String =&gt; procedure name
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1653 * <li><b>Field4</b> reserved (make it null)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1654 * <li><b>Field5</b> reserved (make it null)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1655 * <li><b>Field6</b> reserved (make it null)
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1656 * <li><b>REMARKS</b> String =&gt; explanatory comment on the procedure
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1657 * <li><b>PROCEDURE_TYPE</b> short =&gt; kind of procedure
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1658 * <ul>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1659 * <li> procedureResultUnknown - May return a result
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1660 * <li> procedureNoResult - Does not return a result
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1661 * <li> procedureReturnsResult - Returns a result
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1662 * </ul>
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1663 * <li><b>SPECIFIC_NAME</b> String =&gt; The name which uniquely identifies this procedure within its schema.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1664 * </ol>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1665 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1666 * @param catalog - a catalog name; must match the catalog name as it is stored in the database;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1667 * "" retrieves those without a catalog;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1668 * null means that the catalog name should not be used to narrow the search
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1669 * @param schemaPattern - a schema name pattern; must match the schema name as it is stored in the database;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1670 * "" retrieves those without a schema;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1671 * null means that the schema name should not be used to narrow the search
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1672 * @param procedureNamePattern - a procedure name pattern; must match the procedure name as it is stored in the database
371
67fa5c6147d7 Correct SQL syntax in comment (LIKE "%" is not valid SQL in WHERE clause)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 370
diff changeset
1673 * Note that our implementation allows this param to be null also (for efficiency as no extra LIKE '%' condition is added to be evaluated).
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1674 * @return ResultSet - each row is a procedure description
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1675 * @throws SQLException if a database access error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1676 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1677 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1678 public ResultSet getProcedures(
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
1679 final String catalog,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
1680 final String schemaPattern,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
1681 final String procedureNamePattern
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1682 ) throws SQLException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1683 {
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 331
diff changeset
1684 final boolean useCommentsTable = con.commentsTableExists();
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
1685 final StringBuilder query = new StringBuilder(980);
217
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
1686 query.append("SELECT cast(null as char(1)) AS \"PROCEDURE_CAT\", " +
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
1687 "s.\"name\" AS \"PROCEDURE_SCHEM\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
1688 "f.\"name\" AS \"PROCEDURE_NAME\", " +
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1689 "cast(null as char(1)) AS \"Field4\", " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1690 "cast(null as char(1)) AS \"Field5\", " +
215
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 213
diff changeset
1691 "cast(null as char(1)) AS \"Field6\", ")
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
1692 .append(useCommentsTable ? "COALESCE(cm.\"remark\", cast(f.\"func\" as varchar(9999)))" : "cast(f.\"func\" as varchar(9999))").append(" AS \"REMARKS\", " +
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1693 // in MonetDB procedures have no return value by design.
217
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
1694 "cast(").append(DatabaseMetaData.procedureNoResult).append(" AS smallint) AS \"PROCEDURE_TYPE\", " +
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1695 // only the id value uniquely identifies a procedure. Include it to be able to differentiate between multiple overloaded procedures with the same name
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
1696 "cast(f.\"id\" as varchar(10)) AS \"SPECIFIC_NAME\" " +
352
f62137dd6050 Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
1697 "FROM \"sys\".\"functions\" f JOIN \"sys\".\"schemas\" s ON f.\"schema_id\" = s.\"id\" ");
215
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 213
diff changeset
1698 if (useCommentsTable) {
352
f62137dd6050 Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
1699 query.append("LEFT OUTER JOIN \"sys\".\"comments\" cm ON f.\"id\" = cm.\"id\" ");
215
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 213
diff changeset
1700 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1701 // include procedures only (type = 2). Others will be returned via getFunctions()
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
1702 query.append("WHERE f.\"type\" = 2");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1703
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1704 if (catalog != null && !catalog.isEmpty()) {
299
1f0324072b0c Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 298
diff changeset
1705 // non-empty catalog selection.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1706 // as we do not support catalogs this always results in no rows returned
352
f62137dd6050 Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
1707 query.append(" AND 1=0");
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1708 } else {
323
8701024a9bb0 In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 306
diff changeset
1709 if (schemaPattern != null && !schemaPattern.equals("%")) {
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
1710 query.append(" AND s.\"name\" ").append(composeMatchPart(schemaPattern));
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1711 }
323
8701024a9bb0 In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 306
diff changeset
1712 if (procedureNamePattern != null && !procedureNamePattern.equals("%")) {
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
1713 query.append(" AND f.\"name\" ").append(composeMatchPart(procedureNamePattern));
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1714 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1715 }
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1716
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1717 query.append(" ORDER BY \"PROCEDURE_SCHEM\", \"PROCEDURE_NAME\", \"SPECIFIC_NAME\"");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1718
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1719 return executeMetaDataQuery(query.toString());
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1720 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1721
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1722 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1723 * Get a description of a catalog's stored procedure parameters
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1724 * and result columns.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1725 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1726 * <p>Only descriptions matching the schema, procedure and parameter name
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1727 * criteria are returned. They are ordered by PROCEDURE_SCHEM, PROCEDURE_NAME
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1728 * and SPECIFIC_NAME. Within this, the return value, if any, is first.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1729 * Next are the parameter descriptions in call order. The
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1730 * column descriptions follow in column number order.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1731 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1732 * <p>Each row in the ResultSet is a parameter description or column
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1733 * description with the following fields:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1734 * <ol>
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1735 * <li><b>PROCEDURE_CAT</b> String =&gt; procedure catalog (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1736 * <li><b>PROCEDURE_SCHEM</b> String =&gt; procedure schema (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1737 * <li><b>PROCEDURE_NAME</b> String =&gt; procedure name
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1738 * <li><b>COLUMN_NAME</b> String =&gt; column/parameter name
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1739 * <li><b>COLUMN_TYPE</b> Short =&gt; kind of column/parameter:
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1740 * <ul><li>procedureColumnUnknown - nobody knows
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1741 * <li>procedureColumnIn - IN parameter
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1742 * <li>procedureColumnInOut - INOUT parameter
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1743 * <li>procedureColumnOut - OUT parameter
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1744 * <li>procedureColumnReturn - procedure return value
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1745 * <li>procedureColumnResult - result column in ResultSet
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1746 * </ul>
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1747 * <li><b>DATA_TYPE</b> int =&gt; SQL type from java.sql.Types
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1748 * <li><b>TYPE_NAME</b> String =&gt; SQL type name, for a UDT type the type name is fully qualified
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1749 * <li><b>PRECISION</b> int =&gt; precision
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1750 * <li><b>LENGTH</b> int =&gt; length in bytes of data
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1751 * <li><b>SCALE</b> short =&gt; scale - null is returned for data types where SCALE is not applicable.
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1752 * <li><b>RADIX</b> short =&gt; radix
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1753 * <li><b>NULLABLE</b> short =&gt; can it contain NULL?
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1754 * <ul><li>procedureNoNulls - does not allow NULL values
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1755 * <li>procedureNullable - allows NULL values
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1756 * <li>procedureNullableUnknown - nullability unknown
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1757 * </ul>
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1758 * <li><b>REMARKS</b> String =&gt; comment describing parameter/column
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1759 * <li><b>COLUMN_DEF</b> String =&gt; default value for the column, which should be interpreted as a string when the value is enclosed in single quotes (may be null)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1760 * The string NULL (not enclosed in quotes) - if NULL was specified as the default value
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1761 * TRUNCATE (not enclosed in quotes) - if the specified default value cannot be represented without truncation
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1762 * NULL - if a default value was not specified
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1763 * <li><b>SQL_DATA_TYPE</b> int =&gt; reserved for future use
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1764 * <li><b>SQL_DATETIME_SUB</b> int =&gt; reserved for future use
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1765 * <li><b>CHAR_OCTET_LENGTH</b> int =&gt; the maximum length of binary and character based columns. For any other datatype the returned value is a NULL
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1766 * <li><b>ORDINAL_POSITION</b> int =&gt; the ordinal position, starting from 1, for the input and output parameters for a procedure.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1767 * A value of 0 is returned if this row describes the procedure's return value. For result set columns, it is the ordinal position of the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1768 * column in the result set starting from 1. If there are multiple result sets, the column ordinal positions are implementation defined.
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1769 * <li><b>IS_NULLABLE</b> String =&gt; ISO rules are used to determine the nullability for a column.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1770 * <ul><li>YES --- if the parameter can include NULLs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1771 * <li>NO --- if the parameter cannot include NULLs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1772 * <li>empty string --- if the nullability for the parameter is unknown
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1773 * </ul>
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
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parents: 186
diff changeset
1774 * <li><b>SPECIFIC_NAME</b> String =&gt; the name which uniquely identifies this procedure within its schema.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1775 * </ol>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1776 * @param catalog - a catalog name; must match the catalog name as it is stored in the database;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1777 * "" retrieves those without a catalog;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1778 * null means that the catalog name should not be used to narrow the search
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1779 * @param schemaPattern - a schema name pattern; must match the schema name as it is stored in the database;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1780 * "" retrieves those without a schema;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1781 * null means that the schema name should not be used to narrow the search
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1782 * @param procedureNamePattern - a procedure name pattern; must match the procedure name as it is stored in the database
371
67fa5c6147d7 Correct SQL syntax in comment (LIKE "%" is not valid SQL in WHERE clause)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 370
diff changeset
1783 * Note that our implementation allows this param to be null also (for efficiency as no extra LIKE '%' condition is added to be evaluated).
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1784 * @param columnNamePattern - a column name pattern; must match the column name as it is stored in the database
371
67fa5c6147d7 Correct SQL syntax in comment (LIKE "%" is not valid SQL in WHERE clause)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 370
diff changeset
1785 * Note that our implementation allows this param to be null also (for efficiency as no extra LIKE '%' condition is added to be evaluated).
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1786 * @return ResultSet - each row describes a stored procedure parameter or column
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1787 * @throws SQLException if a database-access error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1788 * @see #getSearchStringEscape
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1789 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1790 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1791 public ResultSet getProcedureColumns(
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
1792 final String catalog,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
1793 final String schemaPattern,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
1794 final String procedureNamePattern,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
1795 final String columnNamePattern
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1796 ) throws SQLException {
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
1797 final StringBuilder query = new StringBuilder(2900);
217
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
1798 query.append("SELECT cast(null as char(1)) AS \"PROCEDURE_CAT\", " +
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
1799 "s.\"name\" AS \"PROCEDURE_SCHEM\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
1800 "f.\"name\" AS \"PROCEDURE_NAME\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
1801 "a.\"name\" AS \"COLUMN_NAME\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
1802 "cast(CASE a.\"inout\"" +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
1803 " WHEN 0 THEN (CASE a.\"number\" WHEN 0 THEN ").append(DatabaseMetaData.procedureColumnReturn).append(" ELSE ").append(DatabaseMetaData.procedureColumnOut).append(" END)" +
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1804 " WHEN 1 THEN ").append(DatabaseMetaData.procedureColumnIn)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1805 .append(" ELSE ").append(DatabaseMetaData.procedureColumnUnknown).append(" END AS smallint) AS \"COLUMN_TYPE\", " +
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
1806 "cast(").append(MonetDriver.getSQLTypeMap("a.\"type\"")).append(" AS int) AS \"DATA_TYPE\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
1807 "a.\"type\" AS \"TYPE_NAME\", " +
379
d7661075ebf7 Add support for new (as of Oct2020 release) datatype: day_interval
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 376
diff changeset
1808 "CASE a.\"type\" WHEN 'tinyint' THEN 3 WHEN 'smallint' THEN 5 WHEN 'int' THEN 10 WHEN 'bigint' THEN 19" +
d7661075ebf7 Add support for new (as of Oct2020 release) datatype: day_interval
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 376
diff changeset
1809 " WHEN 'hugeint' THEN 38 WHEN 'oid' THEN 19 WHEN 'wrd' THEN 19 ELSE a.\"type_digits\" END AS \"PRECISION\", " +
d7661075ebf7 Add support for new (as of Oct2020 release) datatype: day_interval
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 376
diff changeset
1810 "CASE a.\"type\" WHEN 'tinyint' THEN 1 WHEN 'smallint' THEN 2 WHEN 'int' THEN 4 WHEN 'bigint' THEN 8" +
d7661075ebf7 Add support for new (as of Oct2020 release) datatype: day_interval
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 376
diff changeset
1811 " WHEN 'hugeint' THEN 16 WHEN 'oid' THEN 8 WHEN 'wrd' THEN 8 ELSE a.\"type_digits\" END AS \"LENGTH\", " +
d7661075ebf7 Add support for new (as of Oct2020 release) datatype: day_interval
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 376
diff changeset
1812 "cast(CASE WHEN a.\"type\" IN ('tinyint','smallint','int','bigint','hugeint','oid','wrd','decimal','numeric'," +
d7661075ebf7 Add support for new (as of Oct2020 release) datatype: day_interval
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 376
diff changeset
1813 "'time','timetz','timestamp','timestamptz','day_interval','month_interval','sec_interval') THEN a.\"type_scale\" ELSE NULL END AS smallint) AS \"SCALE\", " +
415
50e43af49d47 Improved DatabaseMetaData.getTypeInfo() output for temporal data types: sec_interval, day_interval, month_interval, date, time, timetz, timestamp and timestamptz.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1814 "cast(CASE WHEN a.\"type\" IN ('tinyint','smallint','int','bigint','hugeint','oid','wrd','decimal','numeric','day_interval','month_interval','sec_interval') THEN 10" +
379
d7661075ebf7 Add support for new (as of Oct2020 release) datatype: day_interval
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 376
diff changeset
1815 " WHEN a.\"type\" IN ('real','float','double') THEN 2 ELSE NULL END AS smallint) AS \"RADIX\", " +
217
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
1816 "cast(").append(DatabaseMetaData.procedureNullableUnknown).append(" AS smallint) AS \"NULLABLE\", " +
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
1817 "cast(null as char(1)) AS \"REMARKS\", " +
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
1818 "cast(null as char(1)) AS \"COLUMN_DEF\", " +
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
1819 "cast(0 as int) AS \"SQL_DATA_TYPE\", " +
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
1820 "cast(0 as int) AS \"SQL_DATETIME_SUB\", " +
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
1821 "cast(CASE WHEN a.\"type\" IN ('char','varchar','clob') THEN a.\"type_digits\" ELSE NULL END as int) AS \"CHAR_OCTET_LENGTH\", " +
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1822 // in MonetDB procedures have no return value by design. The arguments in sys.args are numbered from 0 so we must add 1 to comply with the API specification.
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
1823 "cast(a.\"number\" + 1 as int) AS \"ORDINAL_POSITION\", " +
217
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
1824 "cast('' as varchar(3)) AS \"IS_NULLABLE\", " +
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1825 // the specific name contains the function id, in order to be able to match the args to the correct overloaded procedure name
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
1826 "cast(f.\"id\" as varchar(10)) AS \"SPECIFIC_NAME\" " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
1827 "FROM \"sys\".\"args\" a " +
352
f62137dd6050 Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
1828 "JOIN \"sys\".\"functions\" f ON a.\"func_id\" = f.\"id\" " +
f62137dd6050 Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
1829 "JOIN \"sys\".\"schemas\" s ON f.\"schema_id\" = s.\"id\" " +
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1830 // include procedures only (type = 2). Others will be returned via getFunctionColumns()
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
1831 "WHERE f.\"type\" = 2");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1832
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1833 if (catalog != null && !catalog.isEmpty()) {
299
1f0324072b0c Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 298
diff changeset
1834 // non-empty catalog selection.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1835 // as we do not support catalogs this always results in no rows returned
352
f62137dd6050 Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
1836 query.append(" AND 1=0");
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1837 } else {
323
8701024a9bb0 In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 306
diff changeset
1838 if (schemaPattern != null && !schemaPattern.equals("%")) {
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
1839 query.append(" AND s.\"name\" ").append(composeMatchPart(schemaPattern));
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1840 }
323
8701024a9bb0 In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 306
diff changeset
1841 if (procedureNamePattern != null && !procedureNamePattern.equals("%")) {
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
1842 query.append(" AND f.\"name\" ").append(composeMatchPart(procedureNamePattern));
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1843 }
323
8701024a9bb0 In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 306
diff changeset
1844 if (columnNamePattern != null && !columnNamePattern.equals("%")) {
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
1845 query.append(" AND a.\"name\" ").append(composeMatchPart(columnNamePattern));
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1846 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1847 }
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1848
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1849 query.append(" ORDER BY \"PROCEDURE_SCHEM\", \"PROCEDURE_NAME\", \"SPECIFIC_NAME\", \"ORDINAL_POSITION\"");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1850
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1851 return executeMetaDataQuery(query.toString());
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1852 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1853
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1854 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1855 * Retrieves a description of the tables available in the given catalog.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1856 * Only table descriptions matching the catalog, schema, table name and type criteria are returned.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1857 * They are ordered by TABLE_TYPE, TABLE_CAT, TABLE_SCHEM and TABLE_NAME.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1858 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1859 * <p>Each table description has the following columns:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1860 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1861 * <ol>
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1862 * <li><b>TABLE_CAT</b> String =&gt; table catalog (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1863 * <li><b>TABLE_SCHEM</b> String =&gt; table schema (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1864 * <li><b>TABLE_NAME</b> String =&gt; table name
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1865 * <li><b>TABLE_TYPE</b> String =&gt; table type. Typical types are "TABLE",
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1866 * "VIEW", "SYSTEM TABLE", "GLOBAL TEMPORARY", "LOCAL TEMPORARY", "ALIAS", "SYNONYM".
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1867 * <li><b>REMARKS</b> String =&gt; explanatory comment on the table
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1868 * <li><b>TYPE_CAT</b> String =&gt; the types catalog (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1869 * <li><b>TYPE_SCHEM</b> String =&gt; the types schema (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1870 * <li><b>TYPE_NAME</b> String =&gt; type name (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1871 * <li><b>SELF_REFERENCING_COL_NAME</b> String =&gt; name of the designated "identifier" column of a typed table (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1872 * <li><b>REF_GENERATION</b> String =&gt; specifies how values in SELF_REFERENCING_COL_NAME are created. Values are "SYSTEM", "USER", "DERIVED". (may be null)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1873 * </ol>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1874 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1875 * @param catalog - a catalog name; must match the catalog name as it is stored in the database;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1876 * "" retrieves those without a catalog; null means that the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1877 * catalog name should not be used to narrow the search
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1878 * @param schemaPattern - a schema name pattern; must match the schema name as it is stored
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1879 * in the database; "" retrieves those without a schema;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1880 * null means that the schema name should not be used to narrow the search
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1881 * @param tableNamePattern - a table name pattern; must match the table name as it is stored in the database
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parents:
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1882 * For all tables this should be "%"
371
67fa5c6147d7 Correct SQL syntax in comment (LIKE "%" is not valid SQL in WHERE clause)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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1883 * Note that our implementation allows this param to be null also (for efficiency as no extra LIKE '%' condition is added to be evaluated).
0
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1884 * @param types - a list of table types, which must be from the list of table types returned
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1885 * from getTableTypes(),to include; null returns all types
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1886 * @return ResultSet - each row is a table description
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1887 * @throws SQLException if a database-access error occurs.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1888 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1889 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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1890 public ResultSet getTables(
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
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1891 final String catalog,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
1892 final String schemaPattern,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
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parents: 294
diff changeset
1893 final String tableNamePattern,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
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1894 final String types[]
0
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parents:
diff changeset
1895 ) throws SQLException
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1896 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1897 // as of Jul2015 release the sys.tables.type values (0 through 6) is extended with new values 10, 11, 20, and 30 (for system and temp tables/views).
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1898 // as of Jul2015 release we also have a new table: sys.table_types with names for the new table types
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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1899 // for correct behavior we need to know if the server is using the old (pre Jul2015) or new sys.tables.type values
295
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parents: 294
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1900 final boolean preJul2015 = ("11.19.15".compareTo(getDatabaseProductVersion()) >= 0);
331
6ed8f5b1f9ed Corrected method DatabaseMetaData.getBestRowIdentifier(). It used to return columns of both primary key and unique constraints. Now it only returns the columns of the primary key if it has one, else columns of a unique constraint.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 323
diff changeset
1901 // for debug: System.out.println("getDatabaseProductVersion() is " + getDatabaseProductVersion() + " preJul2015 is " + preJul2015);
0
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1902
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 331
diff changeset
1903 final boolean useCommentsTable = con.commentsTableExists();
295
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1904 final StringBuilder query = new StringBuilder(1600);
0
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1905 if (preJul2015 && types != null && types.length > 0) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1906 // we need to filter on the constructed "TABLE_TYPE" expression, this is only possible when we use a subquery in the FROM
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1907 query.append("SELECT * FROM (");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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1908 }
217
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
1909 query.append("SELECT cast(null as char(1)) AS \"TABLE_CAT\", " +
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
1910 "s.\"name\" AS \"TABLE_SCHEM\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
1911 "t.\"name\" AS \"TABLE_NAME\", ");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1912 if (preJul2015) {
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1913 query.append(
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
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parents: 300
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1914 "CASE WHEN t.\"system\" = true AND t.\"type\" IN (0, 10) AND t.\"temporary\" = 0 THEN 'SYSTEM TABLE' " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
1915 "WHEN t.\"system\" = true AND t.\"type\" IN (1, 11) AND t.\"temporary\" = 0 THEN 'SYSTEM VIEW' " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
1916 "WHEN t.\"system\" = false AND t.\"type\" = 0 AND t.\"temporary\" = 0 THEN 'TABLE' " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
1917 "WHEN t.\"system\" = false AND t.\"type\" = 1 AND t.\"temporary\" = 0 THEN 'VIEW' " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
1918 "WHEN t.\"system\" = true AND t.\"type\" IN (0, 20) AND t.\"temporary\" = 1 THEN 'SYSTEM SESSION TABLE' " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
1919 "WHEN t.\"system\" = true AND t.\"type\" IN (1, 21) AND t.\"temporary\" = 1 THEN 'SYSTEM SESSION VIEW' " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
1920 "WHEN t.\"system\" = false AND t.\"type\" IN (0, 30) AND t.\"temporary\" = 1 THEN 'SESSION TABLE' " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
1921 "WHEN t.\"system\" = false AND t.\"type\" IN (1, 31) AND t.\"temporary\" = 1 THEN 'SESSION VIEW' " +
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1922 "END AS \"TABLE_TYPE\", ");
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1923 } else {
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
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parents: 300
diff changeset
1924 query.append("tt.\"table_type_name\" AS \"TABLE_TYPE\", ");
0
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1925 }
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
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parents: 300
diff changeset
1926 query.append(useCommentsTable ? "COALESCE(cm.\"remark\", t.\"query\")" : "t.\"query\"").append(" AS \"REMARKS\", " +
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1927 "cast(null as char(1)) AS \"TYPE_CAT\", " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1928 "cast(null as char(1)) AS \"TYPE_SCHEM\", " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1929 "cast(null as char(1)) AS \"TYPE_NAME\", " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1930 "cast(null as char(1)) AS \"SELF_REFERENCING_COL_NAME\", " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff changeset
1931 "cast(null as char(1)) AS \"REF_GENERATION\" " +
302
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parents: 300
diff changeset
1932 "FROM \"sys\".\"tables\" t ");
0
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1933 if (!preJul2015) {
302
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diff changeset
1934 query.append("JOIN \"sys\".\"table_types\" tt ON t.\"type\" = tt.\"table_type_id\" ");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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1935 }
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
1936 query.append("JOIN \"sys\".\"schemas\" s ON t.\"schema_id\" = s.\"id\" ");
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
1937 if (useCommentsTable) {
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
1938 query.append("LEFT OUTER JOIN \"sys\".\"comments\" cm ON t.\"id\" = cm.\"id\" ");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1939 }
372
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
1940
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
1941 boolean needWhere = true;
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
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parents: 215
diff changeset
1942 if (catalog != null && !catalog.isEmpty()) {
299
1f0324072b0c Correcting typo in comment
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parents: 298
diff changeset
1943 // non-empty catalog selection.
0
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1944 // as we do not support catalogs this always results in no rows returned
372
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
1945 query.append("WHERE 1=0");
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
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parents: 371
diff changeset
1946 needWhere = false;
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
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parents: 215
diff changeset
1947 } else {
323
8701024a9bb0 In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
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parents: 306
diff changeset
1948 if (schemaPattern != null && !schemaPattern.equals("%")) {
372
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
1949 query.append("WHERE s.\"name\" ").append(composeMatchPart(schemaPattern));
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
1950 needWhere = false;
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
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parents: 215
diff changeset
1951 }
323
8701024a9bb0 In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 306
diff changeset
1952 if (tableNamePattern != null && !tableNamePattern.equals("%")) {
372
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
1953 query.append(needWhere ? "WHERE" : " AND")
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
1954 .append(" t.\"name\" ").append(composeMatchPart(tableNamePattern));
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
1955 needWhere = false;
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
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parents: 215
diff changeset
1956 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1957 }
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
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parents: 215
diff changeset
1958
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1959 if (types != null && types.length > 0) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1960 if (preJul2015) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1961 query.append(") AS \"getTables\" WHERE \"TABLE_TYPE\" IN (");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1962 } else {
372
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
1963 query.append(needWhere ? "WHERE" : " AND")
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
1964 .append(" tt.\"table_type_name\" IN (");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1965 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1966 for (int i = 0; i < types.length; i++) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1967 if (i > 0) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1968 query.append(", ");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1969 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1970 query.append("'").append(types[i]).append("'");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1971 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1972 query.append(")");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1973 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1974
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1975 query.append(" ORDER BY \"TABLE_TYPE\", \"TABLE_SCHEM\", \"TABLE_NAME\"");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1976
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1977 return executeMetaDataQuery(query.toString());
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1978 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1979
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1980 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1981 * Get the schema names available in this database. The results
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1982 * are ordered by schema name.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1983 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1984 * <P>The schema column is:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1985 * <OL>
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1986 * <LI><B>TABLE_SCHEM</B> String =&gt; schema name
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1987 * <LI><B>TABLE_CATALOG</B> String =&gt; catalog name (may be null)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1988 * </OL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1989 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1990 * @param catalog a catalog name; must match the catalog name as it
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1991 * is stored in the database;"" retrieves those without a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1992 * catalog; null means catalog name should not be used to
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1993 * narrow down the search.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1994 * @param schemaPattern a schema name; must match the schema name as
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1995 * it is stored in the database; null means schema name
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1996 * should not be used to narrow down the search.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1997 * @return ResultSet each row has a single String column that is a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1998 * schema name
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1999 * @throws SQLException if a database error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2000 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2001 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2002 public ResultSet getSchemas(final String catalog, final String schemaPattern)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2003 throws SQLException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2004 {
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2005 final StringBuilder query = new StringBuilder(170);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2006 query.append("SELECT \"name\" AS \"TABLE_SCHEM\", " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2007 "cast(null as char(1)) AS \"TABLE_CATALOG\" " +
372
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
2008 "FROM \"sys\".\"schemas\" ");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2009
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2010 if (catalog != null && !catalog.isEmpty()) {
299
1f0324072b0c Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 298
diff changeset
2011 // non-empty catalog selection.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2012 // as we do not support catalogs this always results in no rows returned
372
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
2013 query.append("WHERE 1=0");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2014 } else {
323
8701024a9bb0 In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 306
diff changeset
2015 if (schemaPattern != null && !schemaPattern.equals("%")) {
372
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
2016 query.append("WHERE \"name\" ").append(composeMatchPart(schemaPattern));
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2017 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2018 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2019 query.append(" ORDER BY \"TABLE_SCHEM\"");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2020
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2021 return executeMetaDataQuery(query.toString());
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2022 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2023
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2024 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2025 * Get the catalog names available in this database. The results
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2026 * are ordered by catalog name.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2027 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2028 * <P>The catalog column is:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2029 * <OL>
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2030 * <LI><B>TABLE_CAT</B> String =&gt; catalog name
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2031 * </OL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2032 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2033 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2034 * @return ResultSet each row has a single String column that is a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2035 * catalog name
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2036 * @throws SQLException if a database error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2037 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2038 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2039 public ResultSet getCatalogs() throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2040 // MonetDB does NOT support catalogs.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2041 // Return a resultset with no rows
352
f62137dd6050 Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
2042 return executeMetaDataQuery("SELECT cast(null as char(1)) AS \"TABLE_CAT\" WHERE 1=0");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2043 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2044
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2045 /**
303
a91168efdf27 Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 302
diff changeset
2046 * Get the table types available in this database.
a91168efdf27 Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 302
diff changeset
2047 * The results are ordered by table type.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2048 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2049 * <P>The table type is:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2050 * <OL>
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2051 * <LI><B>TABLE_TYPE</B> String =&gt; table type. Typical types are "TABLE",
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2052 * "VIEW", "SYSTEM TABLE", "GLOBAL TEMPORARY",
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2053 * "LOCAL TEMPORARY", "ALIAS", "SYNONYM".
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2054 * </OL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2055 *
303
a91168efdf27 Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 302
diff changeset
2056 * @return ResultSet each row has a single String column that is a table type
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2057 * @throws SQLException if a database error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2058 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2059 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2060 public ResultSet getTableTypes() throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2061 // as of Jul2015 release we have a new table: sys.table_types with more table types
303
a91168efdf27 Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 302
diff changeset
2062 String query = "SELECT \"table_type_name\" AS \"TABLE_TYPE\" FROM \"sys\".\"table_types\" ORDER BY 1";
a91168efdf27 Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 302
diff changeset
2063
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2064 // For old (pre jul2015) servers fall back to old behavior.
303
a91168efdf27 Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 302
diff changeset
2065 if ("11.19.15".compareTo(getDatabaseProductVersion()) >= 0)
a91168efdf27 Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 302
diff changeset
2066 query = "SELECT 'SESSION TABLE' AS \"TABLE_TYPE\" UNION ALL " +
a91168efdf27 Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 302
diff changeset
2067 "SELECT 'SESSION VIEW' UNION ALL " +
a91168efdf27 Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 302
diff changeset
2068 "SELECT 'SYSTEM SESSION TABLE' UNION ALL " +
a91168efdf27 Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 302
diff changeset
2069 "SELECT 'SYSTEM SESSION VIEW' UNION ALL " +
a91168efdf27 Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 302
diff changeset
2070 "SELECT 'SYSTEM TABLE' UNION ALL " +
a91168efdf27 Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 302
diff changeset
2071 "SELECT 'SYSTEM VIEW' UNION ALL " +
a91168efdf27 Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 302
diff changeset
2072 "SELECT 'TABLE' UNION ALL " +
a91168efdf27 Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 302
diff changeset
2073 "SELECT 'VIEW' ORDER BY 1";
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2074
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2075 return executeMetaDataQuery(query);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2076 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2077
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2078 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2079 * Get a description of table columns available in a catalog.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2080 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2081 * <P>Only column descriptions matching the catalog, schema, table
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2082 * and column name criteria are returned. They are ordered by
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2083 * TABLE_SCHEM, TABLE_NAME and ORDINAL_POSITION.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2084 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2085 * <P>Each column description has the following columns:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2086 * <OL>
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2087 * <LI><B>TABLE_CAT</B> String =&gt; table catalog (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2088 * <LI><B>TABLE_SCHEM</B> String =&gt; table schema (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2089 * <LI><B>TABLE_NAME</B> String =&gt; table name
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2090 * <LI><B>COLUMN_NAME</B> String =&gt; column name
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2091 * <LI><B>DATA_TYPE</B> int =&gt; SQL type from java.sql.Types
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2092 * <LI><B>TYPE_NAME</B> String =&gt; Data source dependent type name
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2093 * <LI><B>COLUMN_SIZE</B> int =&gt; column size. For char or date
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2094 * types this is the maximum number of characters, for numeric or
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2095 * decimal types this is precision.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2096 * <LI><B>BUFFER_LENGTH</B> is not used.
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2097 * <LI><B>DECIMAL_DIGITS</B> int =&gt; the number of fractional digits
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2098 * <LI><B>NUM_PREC_RADIX</B> int =&gt; Radix (typically either 10 or 2)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2099 * <LI><B>NULLABLE</B> int =&gt; is NULL allowed?
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2100 * <UL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2101 * <LI> columnNoNulls - might not allow NULL values
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2102 * <LI> columnNullable - definitely allows NULL values
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2103 * <LI> columnNullableUnknown - nullability unknown
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2104 * </UL>
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2105 * <LI><B>REMARKS</B> String =&gt; comment describing column (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2106 * <LI><B>COLUMN_DEF</B> String =&gt; default value (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2107 * <LI><B>SQL_DATA_TYPE</B> int =&gt; unused
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2108 * <LI><B>SQL_DATETIME_SUB</B> int =&gt; unused
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2109 * <LI><B>CHAR_OCTET_LENGTH</B> int =&gt; for char types the
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2110 * maximum number of bytes in the column
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2111 * <LI><B>ORDINAL_POSITION</B> int =&gt; index of column in table
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2112 * (starting at 1)
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2113 * <LI><B>IS_NULLABLE</B> String =&gt; "NO" means column definitely
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2114 * does not allow NULL values; "YES" means the column might
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2115 * allow NULL values. An empty string means nobody knows.
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2116 * <LI><B>SCOPE_CATALOG</B> String =&gt; catalog of table that is the scope of a reference attribute (null if DATA_TYPE isn't REF)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2117 * <LI><B>SCOPE_SCHEMA</B> String =&gt; schema of table that is the scope of a reference attribute (null if the DATA_TYPE isn't REF)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2118 * <LI><B>SCOPE_TABLE</B> String =&gt; table name that this the scope of a reference attribute (null if the DATA_TYPE isn't REF)
652
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2119 * <LI><B>SOURCE_DATA_TYPE</B> short =&gt; source type of a distinct type or user-generated Ref type,
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2120 * SQL type from java.sql.Types (null if DATA_TYPE isn't DISTINCT or user-generated REF)
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2121 * <LI><B>IS_AUTOINCREMENT</B> String =&gt; Indicates whether this column is auto incremented
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2122 * <UL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2123 * <LI> YES --- if the column is auto incremented
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2124 * <LI> NO --- if the column is not auto incremented
15
6e48d0fae766 Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 7
diff changeset
2125 * <LI> empty string --- if it cannot be determined whether the column is auto incremented
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2126 * </UL>
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2127 * <LI><B>IS_GENERATEDCOLUMN</B> String =&gt; Indicates whether this is a generated column
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2128 * <UL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2129 * <LI> YES --- if this a generated column
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2130 * <LI> NO --- if this not a generated column
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2131 * <LI> empty string --- if it cannot be determined whether this is a generated column
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2132 * </UL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2133 * </OL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2134 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2135 * @param catalog - a catalog name; must match the catalog name as it is stored in the database;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2136 * "" retrieves those without a catalog; null means that the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2137 * catalog name should not be used to narrow the search
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2138 * @param schemaPattern - a schema name pattern; must match the schema name as it is stored
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2139 * in the database; "" retrieves those without a schema;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2140 * null means that the schema name should not be used to narrow the search
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2141 * @param tableNamePattern - a table name pattern; must match the table name as it is stored in the database
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2142 * For all tables this should be "%"
371
67fa5c6147d7 Correct SQL syntax in comment (LIKE "%" is not valid SQL in WHERE clause)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 370
diff changeset
2143 * Note that our implementation allows this param to be null also (for efficiency as no extra LIKE '%' condition is added to be evaluated).
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2144 * @param columnNamePattern - a column name pattern; must match the column name as it is stored in the database
371
67fa5c6147d7 Correct SQL syntax in comment (LIKE "%" is not valid SQL in WHERE clause)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 370
diff changeset
2145 * Note that our implementation allows this param to be null also (for efficiency as no extra LIKE '%' condition is added to be evaluated).
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2146 * @return ResultSet - each row is a column description
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2147 * @throws SQLException if a database error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2148 * @see #getSearchStringEscape
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2149 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2150 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2151 public ResultSet getColumns(
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2152 final String catalog,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2153 final String schemaPattern,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2154 final String tableNamePattern,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2155 final String columnNamePattern
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2156 ) throws SQLException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2157 {
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 331
diff changeset
2158 final boolean useCommentsTable = con.commentsTableExists();
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2159 final StringBuilder query = new StringBuilder(2450);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2160 query.append("SELECT cast(null as char(1)) AS \"TABLE_CAT\", " +
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2161 "s.\"name\" AS \"TABLE_SCHEM\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2162 "t.\"name\" AS \"TABLE_NAME\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2163 "c.\"name\" AS \"COLUMN_NAME\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2164 "cast(").append(MonetDriver.getSQLTypeMap("c.\"type\"")).append(" AS int) AS \"DATA_TYPE\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2165 "c.\"type\" AS \"TYPE_NAME\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2166 "c.\"type_digits\" AS \"COLUMN_SIZE\", " +
331
6ed8f5b1f9ed Corrected method DatabaseMetaData.getBestRowIdentifier(). It used to return columns of both primary key and unique constraints. Now it only returns the columns of the primary key if it has one, else columns of a unique constraint.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 323
diff changeset
2167 "cast(0 as int) AS \"BUFFER_LENGTH\", " +
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2168 "c.\"type_scale\" AS \"DECIMAL_DIGITS\", " +
379
d7661075ebf7 Add support for new (as of Oct2020 release) datatype: day_interval
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 376
diff changeset
2169 "cast(CASE WHEN c.\"type\" IN ('decimal','numeric','day_interval','month_interval','sec_interval') THEN 10 " +
d7661075ebf7 Add support for new (as of Oct2020 release) datatype: day_interval
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 376
diff changeset
2170 "WHEN c.\"type\" IN ('int','smallint','tinyint','bigint','hugeint','float','real','double','oid','wrd') THEN 2 " +
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2171 "ELSE 0 END AS int) AS \"NUM_PREC_RADIX\", " +
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2172 "cast(CASE c.\"null\" WHEN true THEN ").append(ResultSetMetaData.columnNullable)
471
e14e81b8044e Improved performance of ResultSetMetaData methods getPrecision(), getScale(), isNullable() and isAutoIncrement().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 440
diff changeset
2173 .append(" WHEN false THEN ").append(ResultSetMetaData.columnNoNulls)
e14e81b8044e Improved performance of ResultSetMetaData methods getPrecision(), getScale(), isNullable() and isAutoIncrement().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 440
diff changeset
2174 .append(" ELSE ").append(ResultSetMetaData.columnNullableUnknown)
e14e81b8044e Improved performance of ResultSetMetaData methods getPrecision(), getScale(), isNullable() and isAutoIncrement().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 440
diff changeset
2175 .append(" END AS int) AS \"NULLABLE\", ")
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2176 .append(useCommentsTable ? "cm.\"remark\"" : "cast(null AS varchar(9999))").append(" AS \"REMARKS\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2177 "c.\"default\" AS \"COLUMN_DEF\", " +
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2178 "cast(0 as int) AS \"SQL_DATA_TYPE\", " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2179 "cast(0 as int) AS \"SQL_DATETIME_SUB\", " +
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2180 "cast(CASE WHEN c.\"type\" IN ('char','varchar','clob') THEN c.\"type_digits\" ELSE NULL END as int) AS \"CHAR_OCTET_LENGTH\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2181 "cast(c.\"number\" + 1 as int) AS \"ORDINAL_POSITION\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2182 "cast(CASE c.\"null\" WHEN true THEN 'YES' WHEN false THEN 'NO' ELSE '' END AS varchar(3)) AS \"IS_NULLABLE\", " +
217
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
2183 "cast(null AS char(1)) AS \"SCOPE_CATALOG\", " +
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
2184 "cast(null AS char(1)) AS \"SCOPE_SCHEMA\", " +
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
2185 "cast(null AS char(1)) AS \"SCOPE_TABLE\", " +
168
70630bc76ac6 Correct returned value for column SOURCE_DATA_TYPE of method getColumns().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 146
diff changeset
2186 "cast(null AS smallint) AS \"SOURCE_DATA_TYPE\", " +
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2187 "cast(CASE WHEN c.\"default\" IS NOT NULL AND c.\"default\" LIKE 'next value for %' THEN 'YES' ELSE 'NO' END AS varchar(3)) AS \"IS_AUTOINCREMENT\", " +
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2188 "cast('NO' AS varchar(3)) AS \"IS_GENERATEDCOLUMN\" " +
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2189 "FROM \"sys\".\"columns\" c " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2190 "JOIN \"sys\".\"tables\" t ON c.\"table_id\" = t.\"id\" " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2191 "JOIN \"sys\".\"schemas\" s ON t.\"schema_id\" = s.\"id\" ");
215
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 213
diff changeset
2192 if (useCommentsTable) {
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2193 query.append("LEFT OUTER JOIN \"sys\".\"comments\" cm ON c.\"id\" = cm.\"id\" ");
215
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 213
diff changeset
2194 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2195
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2196 if (catalog != null && !catalog.isEmpty()) {
299
1f0324072b0c Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 298
diff changeset
2197 // non-empty catalog selection.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2198 // as we do not support catalogs this always results in no rows returned
372
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
2199 query.append("WHERE 1=0");
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2200 } else {
372
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
2201 boolean needWhere = true;
323
8701024a9bb0 In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 306
diff changeset
2202 if (schemaPattern != null && !schemaPattern.equals("%")) {
372
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
2203 query.append("WHERE s.\"name\" ").append(composeMatchPart(schemaPattern));
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
2204 needWhere = false;
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2205 }
323
8701024a9bb0 In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 306
diff changeset
2206 if (tableNamePattern != null && !tableNamePattern.equals("%")) {
372
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
2207 query.append(needWhere ? "WHERE" : " AND")
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
2208 .append(" t.\"name\" ").append(composeMatchPart(tableNamePattern));
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
2209 needWhere = false;
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2210 }
323
8701024a9bb0 In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 306
diff changeset
2211 if (columnNamePattern != null && !columnNamePattern.equals("%")) {
372
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
2212 query.append(needWhere ? "WHERE" : " AND")
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
2213 .append(" c.\"name\" ").append(composeMatchPart(columnNamePattern));
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2214 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2215 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2216
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2217 query.append(" ORDER BY \"TABLE_SCHEM\", \"TABLE_NAME\", \"ORDINAL_POSITION\"");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2218
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2219 return executeMetaDataQuery(query.toString());
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2220 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2221
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2222 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2223 * Get a description of the access rights for a table's columns.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2224 * MonetDB doesn't have this level of access rights.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2225 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2226 * <P>Only privileges matching the column name criteria are
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2227 * returned. They are ordered by COLUMN_NAME and PRIVILEGE.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2228 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2229 * <P>Each privilige description has the following columns:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2230 * <OL>
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2231 * <LI><B>TABLE_CAT</B> String =&gt; table catalog (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2232 * <LI><B>TABLE_SCHEM</B> String =&gt; table schema (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2233 * <LI><B>TABLE_NAME</B> String =&gt; table name
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2234 * <LI><B>COLUMN_NAME</B> String =&gt; column name
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2235 * <LI><B>GRANTOR</B> =&gt; grantor of access (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2236 * <LI><B>GRANTEE</B> String =&gt; grantee of access
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2237 * <LI><B>PRIVILEGE</B> String =&gt; name of access (SELECT,
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2238 * INSERT, UPDATE, REFRENCES, ...)
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2239 * <LI><B>IS_GRANTABLE</B> String =&gt; "YES" if grantee is permitted
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2240 * to grant to others; "NO" if not; null if unknown
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2241 * </OL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2242 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2243 * @param catalog a catalog name; "" retrieves those without a catalog
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2244 * @param schemaPattern a schema name; "" retrieves those without a schema
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2245 * @param tableNamePattern a table name
371
67fa5c6147d7 Correct SQL syntax in comment (LIKE "%" is not valid SQL in WHERE clause)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 370
diff changeset
2246 * Note that our implementation allows this param to be null also (for efficiency as no extra LIKE '%' condition is added to be evaluated).
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2247 * @param columnNamePattern a column name pattern
371
67fa5c6147d7 Correct SQL syntax in comment (LIKE "%" is not valid SQL in WHERE clause)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 370
diff changeset
2248 * Note that our implementation allows this param to be null also (for efficiency as no extra LIKE '%' condition is added to be evaluated).
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2249 * @return ResultSet each row is a column privilege description
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2250 * @see #getSearchStringEscape
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2251 * @throws SQLException if a database error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2252 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2253 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2254 public ResultSet getColumnPrivileges(
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2255 final String catalog,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2256 final String schemaPattern,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2257 final String tableNamePattern,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2258 final String columnNamePattern
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2259 ) throws SQLException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2260 {
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 331
diff changeset
2261 final boolean usePrivilege_codesTable = con.privilege_codesTableExists();
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2262 final StringBuilder query = new StringBuilder(1100);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2263 query.append("SELECT cast(null as char(1)) AS \"TABLE_CAT\", " +
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2264 "s.\"name\" AS \"TABLE_SCHEM\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2265 "t.\"name\" AS \"TABLE_NAME\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2266 "c.\"name\" AS \"COLUMN_NAME\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2267 "grantors.\"name\" AS \"GRANTOR\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2268 "grantees.\"name\" AS \"GRANTEE\", ")
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2269 .append(usePrivilege_codesTable ? "pc.\"privilege_code_name\"" :
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2270 "cast(CASE p.\"privileges\" " +
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2271 "WHEN 1 THEN 'SELECT' " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2272 "WHEN 2 THEN 'UPDATE' " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2273 "WHEN 4 THEN 'INSERT' " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2274 "WHEN 8 THEN 'DELETE' " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2275 "WHEN 16 THEN 'EXECUTE' " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2276 "WHEN 32 THEN 'GRANT' " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2277 "ELSE NULL " +
219
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 218
diff changeset
2278 "END AS varchar(7))").append(" AS \"PRIVILEGE\", " +
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2279 "cast(CASE p.\"grantable\" " +
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2280 "WHEN 0 THEN 'NO' " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2281 "WHEN 1 THEN 'YES' " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2282 "ELSE NULL " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2283 "END AS varchar(3)) AS \"IS_GRANTABLE\" " +
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2284 "FROM \"sys\".\"privileges\" p " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2285 "JOIN \"sys\".\"columns\" c ON p.\"obj_id\" = c.\"id\" " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2286 "JOIN \"sys\".\"tables\" t ON c.\"table_id\" = t.\"id\" " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2287 "JOIN \"sys\".\"schemas\" s ON t.\"schema_id\" = s.\"id\" " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2288 "JOIN \"sys\".\"auths\" grantors ON p.\"grantor\" = grantors.\"id\" " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2289 "JOIN \"sys\".\"auths\" grantees ON p.\"auth_id\" = grantees.\"id\" ");
219
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 218
diff changeset
2290 if (usePrivilege_codesTable) {
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2291 query.append("JOIN \"sys\".\"privilege_codes\" pc ON p.\"privileges\" = pc.\"privilege_code_id\" ");
219
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 218
diff changeset
2292 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2293
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2294 if (catalog != null && !catalog.isEmpty()) {
299
1f0324072b0c Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 298
diff changeset
2295 // non-empty catalog selection.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2296 // as we do not support catalogs this always results in no rows returned
372
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
2297 query.append("WHERE 1=0");
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2298 } else {
372
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
2299 boolean needWhere = true;
323
8701024a9bb0 In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 306
diff changeset
2300 if (schemaPattern != null && !schemaPattern.equals("%")) {
372
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
2301 query.append("WHERE s.\"name\" ").append(composeMatchPart(schemaPattern));
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
2302 needWhere = false;
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2303 }
323
8701024a9bb0 In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 306
diff changeset
2304 if (tableNamePattern != null && !tableNamePattern.equals("%")) {
372
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
2305 query.append(needWhere ? "WHERE" : " AND")
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
2306 .append(" t.\"name\" ").append(composeMatchPart(tableNamePattern));
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
2307 needWhere = false;
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2308 }
323
8701024a9bb0 In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 306
diff changeset
2309 if (columnNamePattern != null && !columnNamePattern.equals("%")) {
372
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
2310 query.append(needWhere ? "WHERE" : " AND")
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
2311 .append(" c.\"name\" ").append(composeMatchPart(columnNamePattern));
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff changeset
2312 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2313 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2314
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2315 query.append(" ORDER BY \"TABLE_SCHEM\", \"TABLE_NAME\", \"COLUMN_NAME\", \"PRIVILEGE\"");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2316
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2317 return executeMetaDataQuery(query.toString());
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2318 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2319
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2320 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2321 * Get a description of the access rights for each table available
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2322 * in a catalog.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2323 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2324 * <P>Only privileges matching the schema and table name
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2325 * criteria are returned. They are ordered by TABLE_SCHEM,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2326 * TABLE_NAME, and PRIVILEGE.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2327 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2328 * <P>Each privilege description has the following columns:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2329 * <OL>
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2330 * <LI><B>TABLE_CAT</B> String =&gt; table catalog (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2331 * <LI><B>TABLE_SCHEM</B> String =&gt; table schema (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2332 * <LI><B>TABLE_NAME</B> String =&gt; table name
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2333 * <LI><B>GRANTOR</B> =&gt; grantor of access (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2334 * <LI><B>GRANTEE</B> String =&gt; grantee of access
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2335 * <LI><B>PRIVILEGE</B> String =&gt; name of access (SELECT,
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2336 * INSERT, UPDATE, REFRENCES, ...)
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2337 * <LI><B>IS_GRANTABLE</B> String =&gt; "YES" if grantee is permitted
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2338 * to grant to others; "NO" if not; null if unknown
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2339 * </OL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2340 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2341 * @param catalog a catalog name; "" retrieves those without a catalog
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2342 * @param schemaPattern a schema name pattern; "" retrieves those without a schema
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2343 * @param tableNamePattern a table name pattern
371
67fa5c6147d7 Correct SQL syntax in comment (LIKE "%" is not valid SQL in WHERE clause)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 370
diff changeset
2344 * Note that our implementation allows this param to be null also (for efficiency as no extra LIKE '%' condition is added to be evaluated).
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2345 * @return ResultSet each row is a table privilege description
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2346 * @see #getSearchStringEscape
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2347 * @throws SQLException if a database error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2348 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2349 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2350 public ResultSet getTablePrivileges(
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2351 final String catalog,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2352 final String schemaPattern,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2353 final String tableNamePattern
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2354 ) throws SQLException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2355 {
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 331
diff changeset
2356 final boolean usePrivilege_codesTable = con.privilege_codesTableExists();
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2357 final StringBuilder query = new StringBuilder(1000);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2358 query.append("SELECT cast(null as char(1)) AS \"TABLE_CAT\", " +
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2359 "s.\"name\" AS \"TABLE_SCHEM\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2360 "t.\"name\" AS \"TABLE_NAME\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2361 "grantors.\"name\" AS \"GRANTOR\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2362 "grantees.\"name\" AS \"GRANTEE\", ")
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2363 .append(usePrivilege_codesTable ? "pc.\"privilege_code_name\"" :
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2364 "cast(CASE p.\"privileges\" " +
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2365 "WHEN 1 THEN 'SELECT' " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2366 "WHEN 2 THEN 'UPDATE' " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2367 "WHEN 4 THEN 'INSERT' " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2368 "WHEN 8 THEN 'DELETE' " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2369 "WHEN 16 THEN 'EXECUTE' " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2370 "WHEN 32 THEN 'GRANT' " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2371 "ELSE NULL " +
219
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 218
diff changeset
2372 "END AS varchar(7))").append(" AS \"PRIVILEGE\", " +
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2373 "cast(CASE p.\"grantable\" " +
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2374 "WHEN 0 THEN 'NO' " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2375 "WHEN 1 THEN 'YES' " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2376 "ELSE NULL " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2377 "END AS varchar(3)) AS \"IS_GRANTABLE\" " +
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2378 "FROM \"sys\".\"privileges\" p " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2379 "JOIN \"sys\".\"tables\" t ON p.\"obj_id\" = t.\"id\" " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2380 "JOIN \"sys\".\"schemas\" s ON t.\"schema_id\" = s.\"id\" " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2381 "JOIN \"sys\".\"auths\" grantors ON p.\"grantor\" = grantors.\"id\" " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2382 "JOIN \"sys\".\"auths\" grantees ON p.\"auth_id\" = grantees.\"id\" ");
219
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 218
diff changeset
2383 if (usePrivilege_codesTable) {
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2384 query.append("JOIN \"sys\".\"privilege_codes\" pc ON p.\"privileges\" = pc.\"privilege_code_id\" ");
219
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 218
diff changeset
2385 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2386
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2387 if (catalog != null && !catalog.isEmpty()) {
299
1f0324072b0c Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 298
diff changeset
2388 // non-empty catalog selection.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2389 // as we do not support catalogs this always results in no rows returned
372
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
2390 query.append("WHERE 1=0");
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2391 } else {
372
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
2392 boolean needWhere = true;
323
8701024a9bb0 In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 306
diff changeset
2393 if (schemaPattern != null && !schemaPattern.equals("%")) {
372
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
2394 query.append("WHERE s.\"name\" ").append(composeMatchPart(schemaPattern));
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
2395 needWhere = false;
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2396 }
323
8701024a9bb0 In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 306
diff changeset
2397 if (tableNamePattern != null && !tableNamePattern.equals("%")) {
372
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
2398 query.append(needWhere ? "WHERE" : " AND")
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
2399 .append(" t.\"name\" ").append(composeMatchPart(tableNamePattern));
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2400 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2401 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2402
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2403 query.append(" ORDER BY \"TABLE_SCHEM\", \"TABLE_NAME\", \"PRIVILEGE\"");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2404
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2405 return executeMetaDataQuery(query.toString());
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2406 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2407
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2408 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2409 * Get a description of a table's optimal set of columns that
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2410 * uniquely identifies a row. They are ordered by SCOPE.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2411 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2412 * <P>Each column description has the following columns:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2413 * <OL>
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2414 * <LI><B>SCOPE</B> short =&gt; actual scope of result
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2415 * <UL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2416 * <LI> bestRowTemporary - very temporary, while using row
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2417 * <LI> bestRowTransaction - valid for remainder of current transaction
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2418 * <LI> bestRowSession - valid for remainder of current session
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2419 * </UL>
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2420 * <LI><B>COLUMN_NAME</B> String =&gt; column name
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2421 * <LI><B>DATA_TYPE</B> int =&gt; SQL data type from java.sql.Types
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2422 * <LI><B>TYPE_NAME</B> String =&gt; Data source dependent type name
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2423 * <LI><B>COLUMN_SIZE</B> int =&gt; precision
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2424 * <LI><B>BUFFER_LENGTH</B> int =&gt; not used
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2425 * <LI><B>DECIMAL_DIGITS</B> short =&gt; scale
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2426 * <LI><B>PSEUDO_COLUMN</B> short =&gt; is this a pseudo column
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2427 * like an Oracle ROWID
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2428 * <UL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2429 * <LI> bestRowUnknown - may or may not be pseudo column
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2430 * <LI> bestRowNotPseudo - is NOT a pseudo column
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2431 * <LI> bestRowPseudo - is a pseudo column
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2432 * </UL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2433 * </OL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2434 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2435 * @param catalog a catalog name; "" retrieves those without a catalog
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2436 * @param schema a schema name; "" retrieves those without a schema
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2437 * @param table a table name
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2438 * @param scope the scope of interest; use same values as SCOPE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2439 * @param nullable include columns that are nullable?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2440 * @return ResultSet each row is a column description
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2441 * @throws SQLException if a database error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2442 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2443 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2444 public ResultSet getBestRowIdentifier(
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2445 final String catalog,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2446 final String schema,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2447 final String table,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2448 final int scope,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2449 final boolean nullable
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2450 ) throws SQLException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2451 {
652
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2452 /* determine if we need to include a query against the tmp.* tables also */
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2453 final boolean incltmpkey = (schema == null)
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2454 || (schema != null && ("tmp".equals(schema) || schema.contains("%") || schema.contains("_")));
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2455
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2456 /* When there is a PK for the table we return the pkey columns
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2457 * When there is No PK but there are multiple unique constraints, we need to pick one.
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2458 * In the current implementation we return the first uc (lowest sys.keys.id).
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2459 * Instead of the first (in case of multiple) we should potentially use the uc which has
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2460 * a) the least number of columns and
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2461 * b) the smallest total(size in bytes).
653
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2462 * That's much more complex to do in SQL than the current implementation, which is fast and gives a correct result.
652
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2463 */
653
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2464
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2465 final StringBuilder query = new StringBuilder(3000);
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2466 // 1st cte: syskeys
652
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2467 query.append("with syskeys as (" +
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2468 // all pkeys
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2469 "SELECT \"id\", \"table_id\" FROM \"sys\".\"keys\" WHERE \"type\" = 0 " +
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2470 "UNION ALL " +
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2471 // and first unique constraint of a table when table has no pkey
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2472 "SELECT \"id\", \"table_id\" FROM \"sys\".\"keys\" WHERE \"type\" = 1 " +
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2473 "AND \"table_id\" NOT IN (select \"table_id\" from \"sys\".\"keys\" where \"type\" = 0) " +
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2474 "AND (\"table_id\", \"id\") IN (select \"table_id\", min(\"id\") from \"sys\".\"keys\" where \"type\" = 1 group by \"table_id\"))");
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2475 if (incltmpkey) {
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2476 // we must also include the primary key or unique constraint of local temporary tables which are stored in tmp.keys
653
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2477 // 2nd cte: tmpkeys
652
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2478 query.append(", tmpkeys as (" +
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2479 "SELECT \"id\", \"table_id\" FROM \"tmp\".\"keys\" WHERE \"type\" = 0 " +
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2480 "UNION ALL " +
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2481 "SELECT \"id\", \"table_id\" FROM \"tmp\".\"keys\" WHERE \"type\" = 1 " +
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2482 "AND \"table_id\" NOT IN (select \"table_id\" from \"tmp\".\"keys\" where \"type\" = 0) " +
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2483 "AND (\"table_id\", \"id\") IN (select \"table_id\", min(\"id\") from \"tmp\".\"keys\" where \"type\" = 1 group by \"table_id\"))");
619
ffc2fc8e82ec Fixed an SQL query problem in DatabaseMetaData.getBestRowIdentifier() method when used with MonetDB Jan2022 (or newer) releases.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 610
diff changeset
2484 }
653
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2485 // 3rd cte: tableids
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2486 query.append(", tableids as (" +
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2487 "SELECT t.\"id\" " +
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2488 "FROM \"sys\".\"tables\" t " +
652
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2489 "JOIN \"sys\".\"schemas\" s ON t.\"schema_id\" = s.\"id\" " +
653
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2490 "WHERE t.\"type\" NOT IN (1, 11) "); // exclude all VIEWs and SYSTEM VIEWs
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2491 if (catalog != null && !catalog.isEmpty()) {
299
1f0324072b0c Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 298
diff changeset
2492 // non-empty catalog selection.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2493 // as we do not support catalogs this always results in no rows returned
653
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2494 query.append("AND 1=0");
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2495 } else {
331
6ed8f5b1f9ed Corrected method DatabaseMetaData.getBestRowIdentifier(). It used to return columns of both primary key and unique constraints. Now it only returns the columns of the primary key if it has one, else columns of a unique constraint.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 323
diff changeset
2496 if (scope == DatabaseMetaData.bestRowSession
6ed8f5b1f9ed Corrected method DatabaseMetaData.getBestRowIdentifier(). It used to return columns of both primary key and unique constraints. Now it only returns the columns of the primary key if it has one, else columns of a unique constraint.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 323
diff changeset
2497 || scope == DatabaseMetaData.bestRowTransaction
6ed8f5b1f9ed Corrected method DatabaseMetaData.getBestRowIdentifier(). It used to return columns of both primary key and unique constraints. Now it only returns the columns of the primary key if it has one, else columns of a unique constraint.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 323
diff changeset
2498 || scope == DatabaseMetaData.bestRowTemporary) {
645
fbed03097738 Corrected DatabaseMetaData methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 642
diff changeset
2499 if (schema != null) {
fbed03097738 Corrected DatabaseMetaData methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 642
diff changeset
2500 // do not allow wildcard matching with LIKE, as the resultset does not include the schema info
653
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2501 query.append("AND s.\"name\" = ").append(MonetWrapper.sq(schema));
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2502 }
645
fbed03097738 Corrected DatabaseMetaData methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 642
diff changeset
2503 if (table != null) {
fbed03097738 Corrected DatabaseMetaData methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 642
diff changeset
2504 // do not allow wildcard matching with LIKE, as the resultset does not include the table info
fbed03097738 Corrected DatabaseMetaData methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 642
diff changeset
2505 query.append(" AND t.\"name\" = ").append(MonetWrapper.sq(table));
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2506 }
331
6ed8f5b1f9ed Corrected method DatabaseMetaData.getBestRowIdentifier(). It used to return columns of both primary key and unique constraints. Now it only returns the columns of the primary key if it has one, else columns of a unique constraint.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 323
diff changeset
2507 } else {
653
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2508 query.append("AND 1=0");
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2509 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2510 }
653
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2511 // 4th cte: cols, this unions 2 (or 4 when incltmpkey == true) select queries
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2512 query.append("), cols as (" +
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2513 "SELECT c.\"name\", c.\"type\", c.\"type_digits\", c.\"type_scale\", o.\"nr\" " +
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2514 "FROM syskeys k " +
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2515 "JOIN tableids t ON k.\"table_id\" = t.\"id\" " +
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2516 "JOIN \"sys\".\"objects\" o ON k.\"id\" = o.\"id\" " +
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2517 "JOIN \"sys\".\"_columns\" c ON (k.\"table_id\" = c.\"table_id\" AND o.\"name\" = c.\"name\")");
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2518 if (!nullable) {
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2519 query.append(" WHERE c.\"null\" = false");
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2520 }
652
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2521 if (incltmpkey) {
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2522 // we must also include the primary key or unique constraint of local temporary tables
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2523 // which are stored in tmp.keys, tmp.objects, tmp._tables and tmp._columns
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2524 query.append(" UNION ALL " +
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2525 "SELECT c.\"name\", c.\"type\", c.\"type_digits\", c.\"type_scale\", o.\"nr\" " +
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2526 "FROM tmpkeys k " +
653
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2527 "JOIN tableids t ON k.\"table_id\" = t.\"id\" " +
649
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2528 "JOIN \"tmp\".\"objects\" o ON k.\"id\" = o.\"id\" " +
653
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2529 "JOIN \"tmp\".\"_columns\" c ON (k.\"table_id\" = c.\"table_id\" AND o.\"name\" = c.\"name\")");
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2530 if (!nullable) {
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2531 query.append(" WHERE c.\"null\" = false");
649
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2532 }
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2533 }
653
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2534 // when there is No PK and No unique constraints, we should return all columns of the table
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2535 // (else in SQuirreL no header is shown in the "Row IDs" tab)
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2536 query.append(" UNION ALL " +
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2537 "SELECT c.\"name\", c.\"type\", c.\"type_digits\", c.\"type_scale\", c.\"number\" " +
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2538 "FROM tableids t " +
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2539 "JOIN \"sys\".\"_columns\" c ON t.\"id\" = c.\"table_id\" " +
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2540 "WHERE t.\"id\" NOT IN (SELECT \"table_id\" FROM \"sys\".\"keys\" WHERE \"type\" in (0, 1))");
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2541 if (!nullable) {
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2542 query.append(" AND c.\"null\" = false");
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2543 }
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2544 if (incltmpkey) {
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2545 query.append(" UNION ALL " +
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2546 "SELECT c.\"name\", c.\"type\", c.\"type_digits\", c.\"type_scale\", c.\"number\" " +
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2547 "FROM tableids t " +
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2548 "JOIN \"tmp\".\"_columns\" c ON t.\"id\" = c.\"table_id\" " +
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2549 "WHERE t.\"id\" NOT IN (SELECT \"table_id\" FROM \"tmp\".\"keys\" WHERE \"type\" in (0, 1))");
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2550 if (!nullable) {
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2551 query.append(" AND c.\"null\" = false");
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2552 }
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2553 }
5eb9d54057e6 Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 652
diff changeset
2554 // the final select query
652
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2555 query.append(") SELECT " +
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2556 "cast(").append(DatabaseMetaData.bestRowSession).append(" AS smallint) AS \"SCOPE\", " +
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2557 "c.\"name\" AS \"COLUMN_NAME\", " +
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2558 "cast(").append(MonetDriver.getSQLTypeMap("c.\"type\"")).append(" AS int) AS \"DATA_TYPE\", " +
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2559 "c.\"type\" AS \"TYPE_NAME\", " +
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2560 "c.\"type_digits\" AS \"COLUMN_SIZE\", " +
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2561 "cast(0 as int) AS \"BUFFER_LENGTH\", " +
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2562 "cast(c.\"type_scale\" AS smallint) AS \"DECIMAL_DIGITS\", " +
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2563 "cast(").append(DatabaseMetaData.bestRowNotPseudo).append(" AS smallint) AS \"PSEUDO_COLUMN\" " +
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2564 "FROM cols c " +
6a34d2c36dec Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 649
diff changeset
2565 "ORDER BY \"SCOPE\", c.\"nr\", \"COLUMN_NAME\"");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2566
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2567 return executeMetaDataQuery(query.toString());
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2568 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2569
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2570 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2571 * Get a description of a table's columns that are automatically
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2572 * updated when any value in a row is updated. They are unordered.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2573 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2574 * <P>Each column description has the following columns:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2575 * <OL>
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2576 * <LI><B>SCOPE</B> short =&gt; is not used
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2577 * <LI><B>COLUMN_NAME</B> String =&gt; column name
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2578 * <LI><B>DATA_TYPE</B> int =&gt; SQL data type from java.sql.Types
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2579 * <LI><B>TYPE_NAME</B> String =&gt; Data source dependent type name
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2580 * <LI><B>COLUMN_SIZE</B> int =&gt; precision
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2581 * <LI><B>BUFFER_LENGTH</B> int =&gt; length of column value in bytes
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2582 * <LI><B>DECIMAL_DIGITS</B> short =&gt; scale
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2583 * <LI><B>PSEUDO_COLUMN</B> short =&gt; is this a pseudo column like an Oracle ROWID
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2584 * <UL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2585 * <LI> versionColumnUnknown - may or may not be pseudo column
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2586 * <LI> versionColumnNotPseudo - is NOT a pseudo column
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2587 * <LI> versionColumnPseudo - is a pseudo column
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2588 * </UL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2589 * </OL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2590 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2591 * @param catalog a catalog name; "" retrieves those without a catalog
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2592 * @param schema a schema name; "" retrieves those without a schema
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2593 * @param table a table name
371
67fa5c6147d7 Correct SQL syntax in comment (LIKE "%" is not valid SQL in WHERE clause)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 370
diff changeset
2594 * Note that our implementation allows this param to be null also (for efficiency as no extra LIKE '%' condition is added to be evaluated).
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2595 * @return ResultSet each row is a column description
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2596 * @throws SQLException if a database error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2597 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2598 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2599 public ResultSet getVersionColumns(
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2600 final String catalog,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2601 final String schema,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2602 final String table
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2603 ) throws SQLException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2604 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2605 // MonetDB currently does not have columns which update themselves, so return an empty ResultSet
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2606 final String query =
217
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
2607 "SELECT cast(0 as smallint) AS \"SCOPE\", " +
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
2608 "cast(null as char(1)) AS \"COLUMN_NAME\", " +
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
2609 "cast(0 as int) AS \"DATA_TYPE\", " +
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
2610 "cast(null as char(1)) AS \"TYPE_NAME\", " +
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
2611 "cast(0 as int) AS \"COLUMN_SIZE\", " +
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
2612 "cast(0 as int) AS \"BUFFER_LENGTH\", " +
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
2613 "cast(0 as smallint) AS \"DECIMAL_DIGITS\", " +
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
2614 "cast(0 as smallint) AS \"PSEUDO_COLUMN\" " +
352
f62137dd6050 Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
2615 "WHERE 1=0";
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2616
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2617 return executeMetaDataQuery(query);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2618 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2619
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2620 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2621 * Get a description of a table's primary key columns. They
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2622 * are ordered by COLUMN_NAME.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2623 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2624 * <P>Each column description has the following columns:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2625 * <OL>
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2626 * <LI><B>TABLE_CAT</B> String =&gt; table catalog (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2627 * <LI><B>TABLE_SCHEM</B> String =&gt; table schema (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2628 * <LI><B>TABLE_NAME</B> String =&gt; table name
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2629 * <LI><B>COLUMN_NAME</B> String =&gt; column name
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2630 * <LI><B>KEY_SEQ</B> short =&gt; sequence number within primary key
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2631 * <LI><B>PK_NAME</B> String =&gt; primary key name (may be null)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2632 * </OL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2633 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2634 * @param catalog a catalog name; "" retrieves those without a catalog
245
55375d489024 Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 231
diff changeset
2635 * @param schema a schema name pattern; "" retrieves those without a schema
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2636 * @param table a table name
371
67fa5c6147d7 Correct SQL syntax in comment (LIKE "%" is not valid SQL in WHERE clause)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 370
diff changeset
2637 * Note that our implementation allows this param to be null also (for efficiency as no extra LIKE '%' condition is added to be evaluated).
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2638 * @return ResultSet each row is a primary key column description
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2639 * @throws SQLException if a database error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2640 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2641 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2642 public ResultSet getPrimaryKeys(
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2643 final String catalog,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2644 final String schema,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2645 final String table
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2646 ) throws SQLException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2647 {
649
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2648 final StringBuilder query = new StringBuilder(1200);
217
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
2649 query.append("SELECT cast(null AS char(1)) AS \"TABLE_CAT\", " +
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2650 "s.\"name\" AS \"TABLE_SCHEM\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2651 "t.\"name\" AS \"TABLE_NAME\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2652 "o.\"name\" AS \"COLUMN_NAME\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2653 "cast(1 + o.\"nr\" AS smallint) AS \"KEY_SEQ\", " +
649
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2654 "k.\"name\" AS \"PK_NAME\" " +
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2655 "FROM \"sys\".\"keys\" k " +
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2656 "JOIN \"sys\".\"objects\" o ON k.\"id\" = o.\"id\" " +
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2657 "JOIN \"sys\".\"_tables\" t ON k.\"table_id\" = t.\"id\" " +
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2658 "JOIN \"sys\".\"schemas\" s ON t.\"schema_id\" = s.\"id\" " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2659 "WHERE k.\"type\" = 0"); // only primary keys (type = 0)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2660
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2661 if (catalog != null && !catalog.isEmpty()) {
299
1f0324072b0c Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 298
diff changeset
2662 // non-empty catalog selection.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2663 // as we do not support catalogs this always results in no rows returned
352
f62137dd6050 Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
2664 query.append(" AND 1=0");
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2665 } else {
323
8701024a9bb0 In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 306
diff changeset
2666 if (schema != null && !schema.equals("%")) {
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2667 query.append(" AND s.\"name\" ").append(composeMatchPart(schema));
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2668 }
323
8701024a9bb0 In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 306
diff changeset
2669 if (table != null && !table.equals("%")) {
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2670 query.append(" AND t.\"name\" ").append(composeMatchPart(table));
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2671 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2672 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2673
649
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2674 final boolean includetmp = (schema == null)
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2675 || (schema != null && ("tmp".equals(schema) || schema.contains("%") || schema.contains("_")));
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2676 if (includetmp) {
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2677 // we must also include the keys of local temporary tables which are stored in tmp.keys, tmp.objects and tmp._tables
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2678 query.append(" UNION ALL ");
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2679 query.append("SELECT cast(null AS char(1)) AS \"TABLE_CAT\", " +
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2680 "s.\"name\" AS \"TABLE_SCHEM\", " +
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2681 "t.\"name\" AS \"TABLE_NAME\", " +
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2682 "o.\"name\" AS \"COLUMN_NAME\", " +
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2683 "cast(1 + o.\"nr\" AS smallint) AS \"KEY_SEQ\", " +
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2684 "k.\"name\" AS \"PK_NAME\" " +
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2685 "FROM \"tmp\".\"keys\" k " +
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2686 "JOIN \"tmp\".\"objects\" o ON k.\"id\" = o.\"id\" " +
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2687 "JOIN \"tmp\".\"_tables\" t ON k.\"table_id\" = t.\"id\" " +
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2688 "JOIN \"sys\".\"schemas\" s ON t.\"schema_id\" = s.\"id\" " +
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2689 "WHERE k.\"type\" = 0"); // only primary keys (type = 0)
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2690
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2691 if (catalog != null && !catalog.isEmpty()) {
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2692 // non-empty catalog selection.
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2693 // as we do not support catalogs this always results in no rows returned
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2694 query.append(" AND 1=0");
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2695 } else {
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2696 if (schema != null && !schema.equals("%")) {
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2697 query.append(" AND s.\"name\" ").append(composeMatchPart(schema));
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2698 }
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2699 if (table != null && !table.equals("%")) {
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2700 query.append(" AND t.\"name\" ").append(composeMatchPart(table));
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2701 }
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2702 }
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2703 }
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
2704
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2705 query.append(" ORDER BY \"TABLE_SCHEM\", \"TABLE_NAME\", \"COLUMN_NAME\"");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2706
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2707 return executeMetaDataQuery(query.toString());
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2708 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2709
303
a91168efdf27 Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 302
diff changeset
2710 // same SQL query used by getImportedKeys(), getExportedKeys() and getCrossReference()
186
4767b005a531 Making variables private where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 177
diff changeset
2711 private static final String keyQuery =
217
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
2712 "SELECT cast(null AS char(1)) AS \"PKTABLE_CAT\", " +
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2713 "pkschema.\"name\" AS \"PKTABLE_SCHEM\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2714 "pktable.\"name\" AS \"PKTABLE_NAME\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2715 "pkkeycol.\"name\" AS \"PKCOLUMN_NAME\", " +
217
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
2716 "cast(null AS char(1)) AS \"FKTABLE_CAT\", " +
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2717 "fkschema.\"name\" AS \"FKTABLE_SCHEM\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2718 "fktable.\"name\" AS \"FKTABLE_NAME\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2719 "fkkeycol.\"name\" AS \"FKCOLUMN_NAME\", " +
217
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
2720 "cast(1 + \"pkkeycol\".\"nr\" AS smallint) AS \"KEY_SEQ\", " +
405
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2721 "cast(CASE ((fkkey.\"action\" >> 8) & 255)" + // logic pulled from clients/mapiclient/dump.c dump_foreign_keys()
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2722 " WHEN 0 THEN " + DatabaseMetaData.importedKeyNoAction +
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2723 " WHEN 1 THEN " + DatabaseMetaData.importedKeyCascade +
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2724 " WHEN 2 THEN " + DatabaseMetaData.importedKeyRestrict +
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2725 " WHEN 3 THEN " + DatabaseMetaData.importedKeySetNull +
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2726 " WHEN 4 THEN " + DatabaseMetaData.importedKeySetDefault +
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2727 " ELSE " + DatabaseMetaData.importedKeyNoAction +
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2728 " END AS smallint) AS \"UPDATE_RULE\", " +
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2729 "cast(CASE (fkkey.\"action\" & 255)" + // logic pulled from clients/mapiclient/dump.c dump_foreign_keys()
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2730 " WHEN 0 THEN " + DatabaseMetaData.importedKeyNoAction +
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2731 " WHEN 1 THEN " + DatabaseMetaData.importedKeyCascade +
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2732 " WHEN 2 THEN " + DatabaseMetaData.importedKeyRestrict +
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2733 " WHEN 3 THEN " + DatabaseMetaData.importedKeySetNull +
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2734 " WHEN 4 THEN " + DatabaseMetaData.importedKeySetDefault +
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2735 " ELSE " + DatabaseMetaData.importedKeyNoAction +
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2736 " END AS smallint) AS \"DELETE_RULE\", " +
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2737 "fkkey.\"name\" AS \"FK_NAME\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2738 "pkkey.\"name\" AS \"PK_NAME\", " +
405
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2739 "cast(" + DatabaseMetaData.importedKeyNotDeferrable + " AS smallint) AS \"DEFERRABILITY\" " +
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2740 "FROM \"sys\".\"keys\" pkkey " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2741 "JOIN \"sys\".\"objects\" pkkeycol ON pkkey.\"id\" = pkkeycol.\"id\" " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2742 "JOIN \"sys\".\"tables\" pktable ON pktable.\"id\" = pkkey.\"table_id\" " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2743 "JOIN \"sys\".\"schemas\" pkschema ON pkschema.\"id\" = pktable.\"schema_id\" " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2744 "JOIN \"sys\".\"keys\" fkkey ON fkkey.\"rkey\" = pkkey.\"id\" " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2745 "JOIN \"sys\".\"objects\" fkkeycol ON (fkkey.\"id\" = fkkeycol.\"id\" AND fkkeycol.\"nr\" = pkkeycol.\"nr\") " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2746 "JOIN \"sys\".\"tables\" fktable ON fktable.\"id\" = fkkey.\"table_id\" " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2747 "JOIN \"sys\".\"schemas\" fkschema ON fkschema.\"id\" = fktable.\"schema_id\" " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2748 "WHERE fkkey.\"rkey\" > 0"; // exclude invalid key references, such as -1
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2749
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2750 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2751 * Get a description of the primary key columns that are
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2752 * referenced by a table's foreign key columns (the primary keys
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2753 * imported by a table). They are ordered by PKTABLE_CAT,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2754 * PKTABLE_SCHEM, PKTABLE_NAME, and KEY_SEQ.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2755 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2756 * <P>Each primary key column description has the following columns:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2757 * <OL>
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2758 * <LI><B>PKTABLE_CAT</B> String =&gt; primary key table catalog
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2759 * being imported (may be null)
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2760 * <LI><B>PKTABLE_SCHEM</B> String =&gt; primary key table schema
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2761 * being imported (may be null)
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2762 * <LI><B>PKTABLE_NAME</B> String =&gt; primary key table name
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2763 * being imported
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2764 * <LI><B>PKCOLUMN_NAME</B> String =&gt; primary key column name
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2765 * being imported
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2766 * <LI><B>FKTABLE_CAT</B> String =&gt; foreign key table catalog (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2767 * <LI><B>FKTABLE_SCHEM</B> String =&gt; foreign key table schema (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2768 * <LI><B>FKTABLE_NAME</B> String =&gt; foreign key table name
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2769 * <LI><B>FKCOLUMN_NAME</B> String =&gt; foreign key column name
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2770 * <LI><B>KEY_SEQ</B> short =&gt; sequence number within foreign key
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2771 * (a value of 1 represents the first column of the foreign key, a value of 2 would represent the second column within the foreign key).
405
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2772 * <LI><B>UPDATE_RULE</B> short =&gt; What happens to foreign key when primary is updated:
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2773 * <UL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2774 * <LI> importedKeyNoAction - do not allow update of primary key if it has been imported
405
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2775 * <LI> importedKeyCascade - change imported key to agree with primary key update
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2776 * <LI> importedKeyRestrict - same as importedKeyNoAction (for ODBC 2.x compatibility)
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2777 * <LI> importedKeySetNull - change imported key to NULL if its primary key has been updated
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2778 * <LI> importedKeySetDefault - change imported key to the default values if its primary key has been updated
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2779 * </UL>
405
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2780 * <LI><B>DELETE_RULE</B> short =&gt; What happens to the foreign key when primary is deleted.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2781 * <UL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2782 * <LI> importedKeyNoAction - do not allow delete of primary key if it has been imported
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2783 * <LI> importedKeyCascade - delete rows that import a deleted key
405
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2784 * <LI> importedKeyRestrict - same as importedKeyNoAction (for ODBC 2.x compatibility)
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2785 * <LI> importedKeySetNull - change imported key to NULL if its primary key has been deleted
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2786 * <LI> importedKeySetDefault - change imported key to the default values if its primary key has been deleted
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2787 * </UL>
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2788 * <LI><B>FK_NAME</B> String =&gt; foreign key name (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2789 * <LI><B>PK_NAME</B> String =&gt; primary key name (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2790 * <LI><B>DEFERRABILITY</B> short =&gt; can the evaluation of foreign key constraints be deferred until commit
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2791 * <UL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2792 * <LI> importedKeyInitiallyDeferred - see SQL92 for definition
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2793 * <LI> importedKeyInitiallyImmediate - see SQL92 for definition
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2794 * <LI> importedKeyNotDeferrable - see SQL92 for definition
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2795 * </UL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2796 * </OL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2797 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2798 * @param catalog a catalog name; "" retrieves those without a catalog
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2799 * @param schema a schema name pattern; "" retrieves those without a schema
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2800 * @param table a table name
371
67fa5c6147d7 Correct SQL syntax in comment (LIKE "%" is not valid SQL in WHERE clause)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 370
diff changeset
2801 * Note that our implementation allows this param to be null also (for efficiency as no extra LIKE '%' condition is added to be evaluated).
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2802 * @return ResultSet each row is a primary key column description
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2803 * @see #getExportedKeys
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2804 * @throws SQLException if a database error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2805 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2806 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2807 public ResultSet getImportedKeys(
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2808 final String catalog,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2809 final String schema,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2810 final String table
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2811 ) throws SQLException
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2812 {
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2813 final StringBuilder query = new StringBuilder(keyQuery.length() + 250);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2814 query.append(keyQuery);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2815
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2816 if (catalog != null && !catalog.isEmpty()) {
299
1f0324072b0c Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 298
diff changeset
2817 // non-empty catalog selection.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2818 // as we do not support catalogs this always results in no rows returned
352
f62137dd6050 Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
2819 query.append(" AND 1=0");
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2820 } else {
323
8701024a9bb0 In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 306
diff changeset
2821 if (schema != null && !schema.equals("%")) {
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2822 query.append(" AND fkschema.\"name\" ").append(composeMatchPart(schema));
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2823 }
323
8701024a9bb0 In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 306
diff changeset
2824 if (table != null && !table.equals("%")) {
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2825 query.append(" AND fktable.\"name\" ").append(composeMatchPart(table));
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2826 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2827 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2828
421
163b784aa93b Added full ordering to correct issues when retrieving columns from fks where a table has multiple fks to the same table.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 415
diff changeset
2829 // Note: the extra \"FKTABLE_SCHEM\", \"FKTABLE_NAME\", \"FK_NAME\" in the ordering is important
163b784aa93b Added full ordering to correct issues when retrieving columns from fks where a table has multiple fks to the same table.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 415
diff changeset
2830 // else we do not get the correct column order when multiple fks exist to the same pk in 1 table or query multiple tables.
163b784aa93b Added full ordering to correct issues when retrieving columns from fks where a table has multiple fks to the same table.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 415
diff changeset
2831 query.append(" ORDER BY \"PKTABLE_SCHEM\", \"PKTABLE_NAME\", \"PK_NAME\", \"FKTABLE_SCHEM\", \"FKTABLE_NAME\", \"FK_NAME\", \"KEY_SEQ\"");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2832
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2833 return executeMetaDataQuery(query.toString());
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2834 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2835
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2836 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2837 * Get a description of a foreign key columns that reference a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2838 * table's primary key columns (the foreign keys exported by a table).
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2839 * They are ordered by FKTABLE_CAT, FKTABLE_SCHEM, FKTABLE_NAME, and KEY_SEQ.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2840 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2841 * <P>Each foreign key column description has the following columns:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2842 * <OL>
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2843 * <LI><B>PKTABLE_CAT</B> String =&gt; primary key table catalog (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2844 * <LI><B>PKTABLE_SCHEM</B> String =&gt; primary key table schema (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2845 * <LI><B>PKTABLE_NAME</B> String =&gt; primary key table name
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2846 * <LI><B>PKCOLUMN_NAME</B> String =&gt; primary key column name
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2847 * <LI><B>FKTABLE_CAT</B> String =&gt; foreign key table catalog (may be null)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2848 * being exported (may be null)
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2849 * <LI><B>FKTABLE_SCHEM</B> String =&gt; foreign key table schema (may be null)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2850 * being exported (may be null)
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2851 * <LI><B>FKTABLE_NAME</B> String =&gt; foreign key table name
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2852 * being exported
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2853 * <LI><B>FKCOLUMN_NAME</B> String =&gt; foreign key column name
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2854 * being exported
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2855 * <LI><B>KEY_SEQ</B> short =&gt; sequence number within foreign key
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2856 * (a value of 1 represents the first column of the foreign key, a value of 2 would represent the second column within the foreign key).
405
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2857 * <LI><B>UPDATE_RULE</B> short =&gt; What happens to foreign key when primary is updated:
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2858 * <UL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2859 * <LI> importedKeyNoAction - do not allow update of primary key if it has been imported
405
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2860 * <LI> importedKeyCascade - change imported key to agree with primary key update
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2861 * <LI> importedKeyRestrict - same as importedKeyNoAction (for ODBC 2.x compatibility)
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2862 * <LI> importedKeySetNull - change imported key to NULL if its primary key has been updated
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2863 * <LI> importedKeySetDefault - change imported key to the default values if its primary key has been updated
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2864 * </UL>
405
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2865 * <LI><B>DELETE_RULE</B> short =&gt; What happens to the foreign key when primary is deleted.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2866 * <UL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2867 * <LI> importedKeyNoAction - do not allow delete of primary key if it has been imported
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2868 * <LI> importedKeyCascade - delete rows that import a deleted key
405
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2869 * <LI> importedKeyRestrict - same as importedKeyNoAction (for ODBC 2.x compatibility)
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2870 * <LI> importedKeySetNull - change imported key to NULL if its primary key has been deleted
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2871 * <LI> importedKeySetDefault - change imported key to the default values if its primary key has been deleted
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2872 * </UL>
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2873 * <LI><B>FK_NAME</B> String =&gt; foreign key identifier (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2874 * <LI><B>PK_NAME</B> String =&gt; primary key identifier (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2875 * <LI><B>DEFERRABILITY</B> short =&gt; can the evaluation of foreign key constraints be deferred until commit
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2876 * <UL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2877 * <LI> importedKeyInitiallyDeferred - see SQL92 for definition
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2878 * <LI> importedKeyInitiallyImmediate - see SQL92 for definition
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2879 * <LI> importedKeyNotDeferrable - see SQL92 for definition
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2880 * </UL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2881 * </OL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2882 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2883 * @param catalog a catalog name; "" retrieves those without a catalog
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2884 * @param schema a schema name pattern; "" retrieves those without a schema
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2885 * @param table a table name
371
67fa5c6147d7 Correct SQL syntax in comment (LIKE "%" is not valid SQL in WHERE clause)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 370
diff changeset
2886 * Note that our implementation allows this param to be null also (for efficiency as no extra LIKE '%' condition is added to be evaluated).
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2887 * @return ResultSet each row is a foreign key column description
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2888 * @see #getImportedKeys
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2889 * @throws SQLException if a database error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2890 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2891 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2892 public ResultSet getExportedKeys(
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2893 final String catalog,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2894 final String schema,
371
67fa5c6147d7 Correct SQL syntax in comment (LIKE "%" is not valid SQL in WHERE clause)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 370
diff changeset
2895 final String table
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2896 ) throws SQLException
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2897 {
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2898 final StringBuilder query = new StringBuilder(keyQuery.length() + 250);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2899 query.append(keyQuery);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2900
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2901 if (catalog != null && !catalog.isEmpty()) {
299
1f0324072b0c Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 298
diff changeset
2902 // non-empty catalog selection.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2903 // as we do not support catalogs this always results in no rows returned
352
f62137dd6050 Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
2904 query.append(" AND 1=0");
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2905 } else {
323
8701024a9bb0 In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 306
diff changeset
2906 if (schema != null && !schema.equals("%")) {
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2907 query.append(" AND pkschema.\"name\" ").append(composeMatchPart(schema));
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2908 }
323
8701024a9bb0 In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 306
diff changeset
2909 if (table != null && !table.equals("%")) {
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2910 query.append(" AND pktable.\"name\" ").append(composeMatchPart(table));
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2911 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2912 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2913
421
163b784aa93b Added full ordering to correct issues when retrieving columns from fks where a table has multiple fks to the same table.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 415
diff changeset
2914 // Note: the extra \"PKTABLE_SCHEM\", \"PKTABLE_NAME\", \"PK_NAME\" in the ordering is important
163b784aa93b Added full ordering to correct issues when retrieving columns from fks where a table has multiple fks to the same table.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 415
diff changeset
2915 // else we do not get the correct column order when multiple fks exist to the same pk in 1 table or query multiple tables.
163b784aa93b Added full ordering to correct issues when retrieving columns from fks where a table has multiple fks to the same table.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 415
diff changeset
2916 query.append(" ORDER BY \"FKTABLE_SCHEM\", \"FKTABLE_NAME\", \"FK_NAME\", \"PKTABLE_SCHEM\", \"PKTABLE_NAME\", \"PK_NAME\", \"KEY_SEQ\"");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2917
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2918 return executeMetaDataQuery(query.toString());
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2919 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2920
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2921 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2922 * Get a description of the foreign key columns in the foreign key
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2923 * table that reference the primary key columns of the primary key
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2924 * table. (describe how one table imports another's key) This
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2925 * should normally return a single foreign key/primary key pair
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2926 * (most tables only import a foreign key from a table once.)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2927 * They are ordered by FKTABLE_CAT, FKTABLE_SCHEM, FKTABLE_NAME, and KEY_SEQ.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2928 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2929 * <P>Each foreign key column description has the following columns:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2930 * <OL>
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2931 * <LI><B>PKTABLE_CAT</B> String =&gt; primary key table catalog (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2932 * <LI><B>PKTABLE_SCHEM</B> String =&gt; primary key table schema (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2933 * <LI><B>PKTABLE_NAME</B> String =&gt; primary key table name
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2934 * <LI><B>PKCOLUMN_NAME</B> String =&gt; primary key column name
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2935 * <LI><B>FKTABLE_CAT</B> String =&gt; foreign key table catalog (may be null)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2936 * being exported (may be null)
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2937 * <LI><B>FKTABLE_SCHEM</B> String =&gt; foreign key table schema (may be null)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2938 * being exported (may be null)
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2939 * <LI><B>FKTABLE_NAME</B> String =&gt; foreign key table name
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2940 * being exported
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2941 * <LI><B>FKCOLUMN_NAME</B> String =&gt; foreign key column name
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2942 * being exported
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2943 * <LI><B>KEY_SEQ</B> short =&gt; sequence number within foreign key
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2944 * (a value of 1 represents the first column of the foreign key, a value of 2 would represent the second column within the foreign key).
405
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2945 * <LI><B>UPDATE_RULE</B> short =&gt; What happens to foreign key when primary is updated:
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2946 * <UL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2947 * <LI> importedKeyNoAction - do not allow update of primary key if it has been imported
405
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2948 * <LI> importedKeyCascade - change imported key to agree with primary key update
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2949 * <LI> importedKeyRestrict - same as importedKeyNoAction (for ODBC 2.x compatibility)
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2950 * <LI> importedKeySetNull - change imported key to NULL if its primary key has been updated
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2951 * <LI> importedKeySetDefault - change imported key to the default values if its primary key has been updated
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2952 * </UL>
405
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2953 * <LI><B>DELETE_RULE</B> short =&gt; What happens to the foreign key when primary is deleted.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2954 * <UL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2955 * <LI> importedKeyNoAction - do not allow delete of primary key if it has been imported
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2956 * <LI> importedKeyCascade - delete rows that import a deleted key
405
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2957 * <LI> importedKeyRestrict - same as importedKeyNoAction (for ODBC 2.x compatibility)
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2958 * <LI> importedKeySetNull - change imported key to NULL if its primary key has been deleted
6242351e8802 Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 391
diff changeset
2959 * <LI> importedKeySetDefault - change imported key to the default values if its primary key has been deleted
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2960 * </UL>
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2961 * <LI><B>FK_NAME</B> String =&gt; foreign key identifier (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2962 * <LI><B>PK_NAME</B> String =&gt; primary key identifier (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
2963 * <LI><B>DEFERRABILITY</B> short =&gt; can the evaluation of foreign key constraints be deferred until commit
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2964 * <UL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2965 * <LI> importedKeyInitiallyDeferred - see SQL92 for definition
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2966 * <LI> importedKeyInitiallyImmediate - see SQL92 for definition
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2967 * <LI> importedKeyNotDeferrable - see SQL92 for definition
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2968 * </UL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2969 * </OL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2970 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2971 * @param pcatalog primary key catalog name; "" retrieves those without a catalog
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2972 * @param pschema primary key schema name pattern; "" retrieves those without a schema
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2973 * @param ptable primary key table name
371
67fa5c6147d7 Correct SQL syntax in comment (LIKE "%" is not valid SQL in WHERE clause)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 370
diff changeset
2974 * Note that our implementation allows this param to be null also (for efficiency as no extra LIKE '%' condition is added to be evaluated).
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2975 * @param fcatalog foreign key catalog name; "" retrieves those without a catalog
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2976 * @param fschema foreign key schema name pattern; "" retrieves those without a schema
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2977 * @param ftable koreign key table name
371
67fa5c6147d7 Correct SQL syntax in comment (LIKE "%" is not valid SQL in WHERE clause)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 370
diff changeset
2978 * Note that our implementation allows this param to be null also (for efficiency as no extra LIKE '%' condition is added to be evaluated).
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2979 * @return ResultSet each row is a foreign key column description
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2980 * @throws SQLException if a database error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2981 * @see #getImportedKeys
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2982 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2983 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2984 public ResultSet getCrossReference(
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2985 final String pcatalog,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2986 final String pschema,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2987 final String ptable,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2988 final String fcatalog,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2989 final String fschema,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2990 final String ftable
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2991 ) throws SQLException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2992 {
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
2993 final StringBuilder query = new StringBuilder(keyQuery.length() + 350);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2994 query.append(keyQuery);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2995
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2996 if ((pcatalog != null && !pcatalog.isEmpty())
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2997 || (fcatalog != null && !fcatalog.isEmpty())) {
299
1f0324072b0c Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 298
diff changeset
2998 // non-empty catalog selection.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2999 // as we do not support catalogs this always results in no rows returned
352
f62137dd6050 Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
3000 query.append(" AND 1=0");
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
3001 } else {
323
8701024a9bb0 In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 306
diff changeset
3002 if (pschema != null && !pschema.equals("%")) {
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
3003 query.append(" AND pkschema.\"name\" ").append(composeMatchPart(pschema));
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
3004 }
323
8701024a9bb0 In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 306
diff changeset
3005 if (ptable != null && !ptable.equals("%")) {
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
3006 query.append(" AND pktable.\"name\" ").append(composeMatchPart(ptable));
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
3007 }
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
3008
323
8701024a9bb0 In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 306
diff changeset
3009 if (fschema != null && !fschema.equals("%")) {
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
3010 query.append(" AND fkschema.\"name\" ").append(composeMatchPart(fschema));
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
3011 }
323
8701024a9bb0 In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 306
diff changeset
3012 if (ftable != null && !ftable.equals("%")) {
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
3013 query.append(" AND fktable.\"name\" ").append(composeMatchPart(ftable));
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
3014 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3015 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3016
421
163b784aa93b Added full ordering to correct issues when retrieving columns from fks where a table has multiple fks to the same table.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 415
diff changeset
3017 // Note: the extra \"PKTABLE_SCHEM\", \"PKTABLE_NAME\", \"PK_NAME\" in the ordering is important
163b784aa93b Added full ordering to correct issues when retrieving columns from fks where a table has multiple fks to the same table.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 415
diff changeset
3018 // else we do not get the correct column order when multiple fks exist to the same pk in 1 table or query multiple tables.
163b784aa93b Added full ordering to correct issues when retrieving columns from fks where a table has multiple fks to the same table.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 415
diff changeset
3019 query.append(" ORDER BY \"FKTABLE_SCHEM\", \"FKTABLE_NAME\", \"FK_NAME\", \"PKTABLE_SCHEM\", \"PKTABLE_NAME\", \"PK_NAME\", \"KEY_SEQ\"");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3020
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3021 return executeMetaDataQuery(query.toString());
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3022 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3023
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3024 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3025 * Get a description of all the SQL data types supported by
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3026 * this database. They are ordered by DATA_TYPE and then by how
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3027 * closely the data type maps to the corresponding JDBC SQL type.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3028 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3029 * If the database supports SQL distinct types, then getTypeInfo() will
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3030 * return a single row with a TYPE_NAME of DISTINCT and a DATA_TYPE of Types.DISTINCT.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3031 * If the database supports SQL structured types, then getTypeInfo() will
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3032 * return a single row with a TYPE_NAME of STRUCT and a DATA_TYPE of Types.STRUCT.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3033 * If SQL distinct or structured types are supported, then information on
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3034 * the individual types may be obtained from the getUDTs() method.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3035 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3036 * <P>Each type description has the following columns:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3037 * <OL>
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3038 * <LI><B>TYPE_NAME</B> String =&gt; Type name
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3039 * <LI><B>DATA_TYPE</B> int =&gt; SQL data type from java.sql.Types
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3040 * <LI><B>PRECISION</B> int =&gt; maximum precision
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3041 * <LI><B>LITERAL_PREFIX</B> String =&gt; prefix used to quote a literal (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3042 * <LI><B>LITERAL_SUFFIX</B> String =&gt; suffix used to quote a literal (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3043 * <LI><B>CREATE_PARAMS</B> String =&gt; parameters used in creating
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3044 * the type (may be null)
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3045 * <LI><B>NULLABLE</B> short =&gt; can you use NULL for this type?
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3046 * <UL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3047 * <LI> typeNoNulls - does not allow NULL values
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3048 * <LI> typeNullable - allows NULL values
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3049 * <LI> typeNullableUnknown - nullability unknown
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3050 * </UL>
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3051 * <LI><B>CASE_SENSITIVE</B> boolean=&gt; is it case sensitive?
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3052 * <LI><B>SEARCHABLE</B> short =&gt; can you use "WHERE" based on this type:
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3053 * <UL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3054 * <LI> typePredNone - No support
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3055 * <LI> typePredChar - Only supported with WHERE .. LIKE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3056 * <LI> typePredBasic - Supported except for WHERE .. LIKE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3057 * <LI> typeSearchable - Supported for all WHERE ..
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3058 * </UL>
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3059 * <LI><B>UNSIGNED_ATTRIBUTE</B> boolean =&gt; is it unsigned?
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3060 * <LI><B>FIXED_PREC_SCALE</B> boolean =&gt; can it be a money value?
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3061 * <LI><B>AUTO_INCREMENT</B> boolean =&gt; can it be used for an
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3062 * auto-increment value?
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3063 * <LI><B>LOCAL_TYPE_NAME</B> String =&gt; localized version of type name
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3064 * (may be null)
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3065 * <LI><B>MINIMUM_SCALE</B> short =&gt; minimum scale supported
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3066 * <LI><B>MAXIMUM_SCALE</B> short =&gt; maximum scale supported
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3067 * <LI><B>SQL_DATA_TYPE</B> int =&gt; unused
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3068 * <LI><B>SQL_DATETIME_SUB</B> int =&gt; unused
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3069 * <LI><B>NUM_PREC_RADIX</B> int =&gt; usually 2 or 10
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3070 * </OL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3071 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3072 * @return ResultSet each row is a SQL type description
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3073 * @throws SQLException if a database error occurs
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3074 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3075 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3076 public ResultSet getTypeInfo() throws SQLException {
682
78253fdb3c3f Corrected returned SQL TypeName values for the MonetDB interval types: 'day_interval', 'month_interval' and 'sec_interval'.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 680
diff changeset
3077 final StringBuilder query = new StringBuilder(3200);
78253fdb3c3f Corrected returned SQL TypeName values for the MonetDB interval types: 'day_interval', 'month_interval' and 'sec_interval'.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 680
diff changeset
3078 query.append("SELECT CASE \"sqlname\" WHEN 'day_interval' THEN 'interval day'" +
78253fdb3c3f Corrected returned SQL TypeName values for the MonetDB interval types: 'day_interval', 'month_interval' and 'sec_interval'.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 680
diff changeset
3079 " WHEN 'month_interval' THEN 'interval month'" +
78253fdb3c3f Corrected returned SQL TypeName values for the MonetDB interval types: 'day_interval', 'month_interval' and 'sec_interval'.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 680
diff changeset
3080 " WHEN 'sec_interval' THEN 'interval second'" +
78253fdb3c3f Corrected returned SQL TypeName values for the MonetDB interval types: 'day_interval', 'month_interval' and 'sec_interval'.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 680
diff changeset
3081 " ELSE \"sqlname\" END AS \"TYPE_NAME\", " +
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3082 "cast(").append(MonetDriver.getSQLTypeMap("\"sqlname\"")).append(" AS int) AS \"DATA_TYPE\", " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3083 "\"digits\" AS \"PRECISION\", " + // note that when radix is 2 the precision shows the number of bits
415
50e43af49d47 Improved DatabaseMetaData.getTypeInfo() output for temporal data types: sec_interval, day_interval, month_interval, date, time, timetz, timestamp and timestamptz.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
3084 "cast(CASE WHEN \"sqlname\" IN ('char','varchar','sec_interval','day_interval','month_interval') THEN ''''" +
642
dd9b4fb14256 Added recognition of 'xml' type.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 626
diff changeset
3085 " WHEN \"sqlname\" IN ('clob','inet','json','url','uuid','date','time','timetz','timestamp','timestamptz','blob','sqlblob','xml') THEN \"sqlname\"||' '''" +
415
50e43af49d47 Improved DatabaseMetaData.getTypeInfo() output for temporal data types: sec_interval, day_interval, month_interval, date, time, timetz, timestamp and timestamptz.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
3086 " ELSE NULL END AS varchar(16)) AS \"LITERAL_PREFIX\", " +
50e43af49d47 Improved DatabaseMetaData.getTypeInfo() output for temporal data types: sec_interval, day_interval, month_interval, date, time, timetz, timestamp and timestamptz.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
3087 "cast(CASE WHEN \"sqlname\" IN ('char','varchar','sec_interval','day_interval','month_interval'" +
642
dd9b4fb14256 Added recognition of 'xml' type.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 626
diff changeset
3088 ",'clob','inet','json','url','uuid','date','time','timetz','timestamp','timestamptz','blob','sqlblob','xml') THEN ''''" +
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3089 " ELSE NULL END AS varchar(2)) AS \"LITERAL_SUFFIX\", " +
379
d7661075ebf7 Add support for new (as of Oct2020 release) datatype: day_interval
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 376
diff changeset
3090 "CASE WHEN \"sqlname\" IN ('char','varchar') THEN 'max length'" +
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3091 " WHEN \"sqlname\" = 'decimal' THEN 'precision, scale'" +
379
d7661075ebf7 Add support for new (as of Oct2020 release) datatype: day_interval
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 376
diff changeset
3092 " WHEN \"sqlname\" IN ('time','timetz','timestamp','timestamptz','sec_interval') THEN 'precision'" +
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3093 " ELSE NULL END AS \"CREATE_PARAMS\", " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3094 "cast(CASE WHEN \"systemname\" = 'oid' THEN ").append(DatabaseMetaData.typeNoNulls)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3095 .append(" ELSE ").append(DatabaseMetaData.typeNullable).append(" END AS smallint) AS \"NULLABLE\", " +
642
dd9b4fb14256 Added recognition of 'xml' type.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 626
diff changeset
3096 "CASE WHEN \"systemname\" IN ('str','json','url','xml') THEN true ELSE false END AS \"CASE_SENSITIVE\", " +
dd9b4fb14256 Added recognition of 'xml' type.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 626
diff changeset
3097 "cast(CASE WHEN \"systemname\" IN ('str','inet','json','url','uuid','xml') THEN ").append(DatabaseMetaData.typeSearchable)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3098 .append(" ELSE ").append(DatabaseMetaData.typePredBasic).append(" END AS smallint) AS \"SEARCHABLE\", " +
415
50e43af49d47 Improved DatabaseMetaData.getTypeInfo() output for temporal data types: sec_interval, day_interval, month_interval, date, time, timetz, timestamp and timestamptz.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
3099 "CASE WHEN \"sqlname\" IN ('tinyint','smallint','int','bigint','hugeint','decimal','real','double'" +
50e43af49d47 Improved DatabaseMetaData.getTypeInfo() output for temporal data types: sec_interval, day_interval, month_interval, date, time, timetz, timestamp and timestamptz.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
3100 ",'day_interval','month_interval','sec_interval') THEN false ELSE true END AS \"UNSIGNED_ATTRIBUTE\", " +
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3101 "CASE \"sqlname\" WHEN 'decimal' THEN true ELSE false END AS \"FIXED_PREC_SCALE\", " +
375
a229ac4e275c Corrected MonetDatabaseMetaData.getTypeInfo()
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 372
diff changeset
3102 "CASE WHEN \"sqlname\" IN ('tinyint','smallint','int','bigint') THEN true ELSE false END AS \"AUTO_INCREMENT\", " +
682
78253fdb3c3f Corrected returned SQL TypeName values for the MonetDB interval types: 'day_interval', 'month_interval' and 'sec_interval'.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 680
diff changeset
3103 "CASE WHEN \"sqlname\" IN ('sec_interval','day_interval','month_interval') THEN \"sqlname\" ELSE \"systemname\" END AS \"LOCAL_TYPE_NAME\", " +
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3104 "cast(0 AS smallint) AS \"MINIMUM_SCALE\", " +
379
d7661075ebf7 Add support for new (as of Oct2020 release) datatype: day_interval
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 376
diff changeset
3105 "cast(CASE WHEN \"sqlname\" = 'decimal' THEN (CASE \"systemname\" WHEN 'int' THEN 9 WHEN 'lng' THEN 18 WHEN 'sht' THEN 4 WHEN 'hge' THEN 38 WHEN 'bte' THEN 2 ELSE 0 END)" +
d7661075ebf7 Add support for new (as of Oct2020 release) datatype: day_interval
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 376
diff changeset
3106 " WHEN \"sqlname\" IN ('time','timetz','timestamp','timestamptz','sec_interval') THEN 6 ELSE 0 END AS smallint) AS \"MAXIMUM_SCALE\", " +
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3107 "cast(0 AS int) AS \"SQL_DATA_TYPE\", " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3108 "cast(0 AS int) AS \"SQL_DATETIME_SUB\", " +
415
50e43af49d47 Improved DatabaseMetaData.getTypeInfo() output for temporal data types: sec_interval, day_interval, month_interval, date, time, timetz, timestamp and timestamptz.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
3109 "cast(CASE WHEN \"sqlname\" IN ('time','timetz','timestamp','timestamptz','sec_interval') THEN 10 ELSE \"radix\" END AS int) AS \"NUM_PREC_RADIX\" " +
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3110 "FROM \"sys\".\"types\" " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3111 "ORDER BY \"DATA_TYPE\", \"sqlname\", \"id\"");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3112
682
78253fdb3c3f Corrected returned SQL TypeName values for the MonetDB interval types: 'day_interval', 'month_interval' and 'sec_interval'.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 680
diff changeset
3113 /* if (query.length() >= 3200) System.err.println("getTypeInfo(), extend query default size to: " + query.length()); */
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3114 return executeMetaDataQuery(query.toString());
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3115 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3116
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3117 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3118 * Retrieves a description of the given table's indices and statistics.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3119 * They are ordered by NON_UNIQUE, TYPE, INDEX_NAME, and ORDINAL_POSITION.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3120 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3121 * <P>Each index column description has the following columns:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3122 * <OL>
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3123 * <LI><B>TABLE_CAT</B> String =&gt; table catalog (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3124 * <LI><B>TABLE_SCHEM</B> String =&gt; table schema (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3125 * <LI><B>TABLE_NAME</B> String =&gt; table name
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3126 * <LI><B>NON_UNIQUE</B> boolean =&gt; Can index values be non-unique?
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3127 * false when TYPE is tableIndexStatistic
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3128 * <LI><B>INDEX_QUALIFIER</B> String =&gt; index catalog (may be null);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3129 * null when TYPE is tableIndexStatistic
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3130 * <LI><B>INDEX_NAME</B> String =&gt; index name; null when TYPE is
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3131 * tableIndexStatistic
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3132 * <LI><B>TYPE</B> short =&gt; index type:
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3133 * <UL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3134 * <LI> tableIndexStatistic - this identifies table statistics that are
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3135 * returned in conjuction with a table's index descriptions
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3136 * <LI> tableIndexClustered - this is a clustered index
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3137 * <LI> tableIndexHashed - this is a hashed index
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3138 * <LI> tableIndexOther - this is some other style of index
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3139 * </UL>
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3140 * <LI><B>ORDINAL_POSITION</B> short =&gt; column sequence number
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3141 * within index; zero when TYPE is tableIndexStatistic
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3142 * <LI><B>COLUMN_NAME</B> String =&gt; column name; null when TYPE is
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3143 * tableIndexStatistic
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3144 * <LI><B>ASC_OR_DESC</B> String =&gt; column sort sequence, "A" =&gt; ascending
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3145 * "D" =&gt; descending, may be null if sort sequence is not supported;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3146 * null when TYPE is tableIndexStatistic
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3147 * <LI><B>CARDINALITY</B> int =&gt; When TYPE is tableIndexStatisic then
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3148 * this is the number of rows in the table; otherwise it is the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3149 * number of unique values in the index.
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3150 * <LI><B>PAGES</B> int =&gt; When TYPE is tableIndexStatisic then
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3151 * this is the number of pages used for the table, otherwise it
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3152 * is the number of pages used for the current index.
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3153 * <LI><B>FILTER_CONDITION</B> String =&gt; Filter condition, if any.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3154 * (may be null)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3155 * </OL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3156 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3157 * @param catalog a catalog name; "" retrieves those without a catalog
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3158 * @param schema a schema name pattern; "" retrieves those without a schema
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3159 * @param table a table name
371
67fa5c6147d7 Correct SQL syntax in comment (LIKE "%" is not valid SQL in WHERE clause)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 370
diff changeset
3160 * Note that our implementation allows this param to be null also (for efficiency as no extra LIKE '%' condition is added to be evaluated).
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3161 * @param unique when true, return only indices for unique values;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3162 * when false, return indices regardless of whether unique or not
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3163 * @param approximate when true, result is allowed to reflect approximate
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3164 * or out of data values; when false, results are requested to be
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3165 * accurate
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3166 * @return ResultSet each row is an index column description
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3167 * @throws SQLException if a database occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3168 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3169 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3170 public ResultSet getIndexInfo(
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3171 final String catalog,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3172 final String schema,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3173 final String table,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3174 final boolean unique,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3175 final boolean approximate
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3176 ) throws SQLException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3177 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3178 String table_row_count = "0";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3179
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
3180 if (!approximate
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
3181 && schema != null && !schema.isEmpty() && !schema.contains("%")
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
3182 && table != null && !table.isEmpty() && !table.contains("%")) {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3183 // we need the exact cardinality for one specific fully qualified table
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3184 ResultSet count = null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3185 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3186 count = executeMetaDataQuery("SELECT COUNT(*) FROM \"" + schema + "\".\"" + table + "\"");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3187 if (count != null && count.next()) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3188 String count_value = count.getString(1);
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
3189 if (count_value != null && !count_value.isEmpty())
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3190 table_row_count = count_value;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3191 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3192 } catch (SQLException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3193 // ignore
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3194 } finally {
300
8cc3b51d1984 Add a utility method to close objects ignoring any possible SQLExceptions thrown.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 299
diff changeset
3195 MonetConnection.closeResultsetStatement(count, null);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3196 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3197 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3198
649
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3199 final StringBuilder query = new StringBuilder(2500);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3200 query.append(
217
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
3201 "SELECT cast(null AS char(1)) AS \"TABLE_CAT\", " +
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
3202 "s.\"name\" AS \"TABLE_SCHEM\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
3203 "t.\"name\" AS \"TABLE_NAME\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
3204 "CASE WHEN k.\"name\" IS NULL THEN true ELSE false END AS \"NON_UNIQUE\", " +
217
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
3205 "cast(null AS char(1)) AS \"INDEX_QUALIFIER\", " +
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
3206 "i.\"name\" AS \"INDEX_NAME\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
3207 "CASE i.\"type\" WHEN 0 THEN ").append(DatabaseMetaData.tableIndexHashed).append(" ELSE ").append(DatabaseMetaData.tableIndexOther).append(" END AS \"TYPE\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
3208 "cast(o.\"nr\" +1 AS smallint) AS \"ORDINAL_POSITION\", "+
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
3209 "c.\"name\" AS \"COLUMN_NAME\", " +
217
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
3210 "cast(null AS char(1)) AS \"ASC_OR_DESC\", " + // sort sequence currently not supported in keys or indexes in MonetDB
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
3211 "cast(").append(table_row_count).append(" AS int) AS \"CARDINALITY\", " +
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
3212 "cast(0 AS int) AS \"PAGES\", " +
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
3213 "cast(null AS char(1)) AS \"FILTER_CONDITION\" " +
649
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3214 "FROM \"sys\".\"idxs\" i " +
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3215 "JOIN \"sys\".\"_tables\" t ON i.\"table_id\" = t.\"id\" " +
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
3216 "JOIN \"sys\".\"schemas\" s ON t.\"schema_id\" = s.\"id\" " +
649
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3217 "JOIN \"sys\".\"objects\" o ON i.\"id\" = o.\"id\" " +
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3218 "JOIN \"sys\".\"_columns\" c ON (t.\"id\" = c.\"table_id\" AND o.\"name\" = c.\"name\") " +
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3219 "LEFT OUTER JOIN \"sys\".\"keys\" k ON (i.\"name\" = k.\"name\" AND i.\"table_id\" = k.\"table_id\" AND k.\"type\" IN (0,1)) "); // primary (0) and unique keys (1) only
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3220
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
3221 if (catalog != null && !catalog.isEmpty()) {
299
1f0324072b0c Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 298
diff changeset
3222 // non-empty catalog selection.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3223 // as we do not support catalogs this always results in no rows returned
372
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
3224 query.append("WHERE 1=0");
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
3225 } else {
372
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
3226 boolean needWhere = true;
323
8701024a9bb0 In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 306
diff changeset
3227 if (schema != null && !schema.equals("%")) {
372
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
3228 query.append("WHERE s.\"name\" ").append(composeMatchPart(schema));
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
3229 needWhere = false;
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
3230 }
323
8701024a9bb0 In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 306
diff changeset
3231 if (table != null && !table.equals("%")) {
372
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
3232 query.append(needWhere ? "WHERE" : " AND")
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
3233 .append(" t.\"name\" ").append(composeMatchPart(table));
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
3234 needWhere = false;
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
3235 }
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
3236 if (unique) {
372
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
3237 query.append(needWhere ? "WHERE" : " AND")
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
3238 .append(" k.\"name\" IS NOT NULL");
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
3239 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3240 }
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
3241
649
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3242 final boolean includetmp = (schema == null)
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3243 || (schema != null && ("tmp".equals(schema) || schema.contains("%") || schema.contains("_")));
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3244 if (includetmp) {
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3245 // we must also include the indexes of local temporary tables which are stored in tmp.idxs, tmp._tables, tmp._columns, tmp.objects and tmp.keys
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3246 query.append(" UNION ALL ");
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3247 query.append(
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3248 "SELECT cast(null AS char(1)) AS \"TABLE_CAT\", " +
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3249 "s.\"name\" AS \"TABLE_SCHEM\", " +
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3250 "t.\"name\" AS \"TABLE_NAME\", " +
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3251 "CASE WHEN k.\"name\" IS NULL THEN true ELSE false END AS \"NON_UNIQUE\", " +
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3252 "cast(null AS char(1)) AS \"INDEX_QUALIFIER\", " +
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3253 "i.\"name\" AS \"INDEX_NAME\", " +
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3254 "CASE i.\"type\" WHEN 0 THEN ").append(DatabaseMetaData.tableIndexHashed).append(" ELSE ").append(DatabaseMetaData.tableIndexOther).append(" END AS \"TYPE\", " +
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3255 "cast(o.\"nr\" +1 AS smallint) AS \"ORDINAL_POSITION\", "+
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3256 "c.\"name\" AS \"COLUMN_NAME\", " +
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3257 "cast(null AS char(1)) AS \"ASC_OR_DESC\", " + // sort sequence currently not supported in keys or indexes in MonetDB
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3258 "cast(").append(table_row_count).append(" AS int) AS \"CARDINALITY\", " +
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3259 "cast(0 AS int) AS \"PAGES\", " +
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3260 "cast(null AS char(1)) AS \"FILTER_CONDITION\" " +
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3261 "FROM \"tmp\".\"idxs\" i " +
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3262 "JOIN \"tmp\".\"_tables\" t ON i.\"table_id\" = t.\"id\" " +
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3263 "JOIN \"sys\".\"schemas\" s ON t.\"schema_id\" = s.\"id\" " +
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3264 "JOIN \"tmp\".\"objects\" o ON i.\"id\" = o.\"id\" " +
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3265 "JOIN \"tmp\".\"_columns\" c ON (t.\"id\" = c.\"table_id\" AND o.\"name\" = c.\"name\") " +
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3266 "LEFT OUTER JOIN \"tmp\".\"keys\" k ON (i.\"name\" = k.\"name\" AND i.\"table_id\" = k.\"table_id\" AND k.\"type\" IN (0,1)) "); // primary (0) and unique keys (1) only
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3267
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3268 if (catalog != null && !catalog.isEmpty()) {
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3269 // non-empty catalog selection.
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3270 // as we do not support catalogs this always results in no rows returned
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3271 query.append("WHERE 1=0");
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3272 } else {
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3273 boolean needWhere = true;
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3274 if (schema != null && !schema.equals("%")) {
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3275 query.append("WHERE s.\"name\" ").append(composeMatchPart(schema));
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3276 needWhere = false;
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3277 }
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3278 if (table != null && !table.equals("%")) {
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3279 query.append(needWhere ? "WHERE" : " AND")
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3280 .append(" t.\"name\" ").append(composeMatchPart(table));
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3281 needWhere = false;
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3282 }
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3283 if (unique) {
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3284 query.append(needWhere ? "WHERE" : " AND")
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3285 .append(" k.\"name\" IS NOT NULL");
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3286 }
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3287 }
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3288 }
060347aa81ea By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 645
diff changeset
3289
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3290 query.append(" ORDER BY \"NON_UNIQUE\", \"TYPE\", \"INDEX_NAME\", \"ORDINAL_POSITION\"");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3291
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3292 return executeMetaDataQuery(query.toString());
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3293 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3294
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3295 //== 1.2 methods (JDBC 2)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3296
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3297 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3298 * Does the database support the given result set type?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3299 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3300 * @param type - defined in java.sql.ResultSet
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3301 * @return true if so; false otherwise
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3302 * @throws SQLException - if a database access error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3303 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3304 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3305 public boolean supportsResultSetType(final int type) throws SQLException {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3306 // The only type we don't support
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3307 return type != ResultSet.TYPE_SCROLL_SENSITIVE;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3308 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3309
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3310 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3311 * Does the database support the concurrency type in combination
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3312 * with the given result set type?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3313 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3314 * @param type - defined in java.sql.ResultSet
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3315 * @param concurrency - type defined in java.sql.ResultSet
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3316 * @return true if so; false otherwise
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3317 * @throws SQLException - if a database access error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3318 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3319 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3320 public boolean supportsResultSetConcurrency(final int type, final int concurrency)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3321 throws SQLException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3322 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3323 // These combinations are not supported!
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3324 if (type == ResultSet.TYPE_SCROLL_SENSITIVE)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3325 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3326
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3327 // We do only support Read Only ResultSets
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3328 if (concurrency != ResultSet.CONCUR_READ_ONLY)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3329 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3330
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3331 // Everything else we do (well, what's left of it :) )
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3332 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3333 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3334
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3335 /* lots of unsupported stuff... (no updatable ResultSet!) */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3336 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3337 public boolean ownUpdatesAreVisible(final int type) {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3338 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3339 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3340
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3341 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3342 public boolean ownDeletesAreVisible(final int type) {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3343 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3344 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3345
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3346 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3347 public boolean ownInsertsAreVisible(final int type) {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3348 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3349 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3350
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3351 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3352 public boolean othersUpdatesAreVisible(final int type) {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3353 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3354 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3355
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3356 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3357 public boolean othersDeletesAreVisible(final int i) {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3358 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3359 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3360
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3361 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3362 public boolean othersInsertsAreVisible(final int type) {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3363 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3364 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3365
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3366 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3367 public boolean updatesAreDetected(final int type) {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3368 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3369 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3370
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3371 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3372 public boolean deletesAreDetected(final int i) {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3373 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3374 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3375
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3376 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3377 public boolean insertsAreDetected(final int type) {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3378 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3379 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3380
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3381 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3382 * Indicates whether the driver supports batch updates.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3383 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3384 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3385 public boolean supportsBatchUpdates() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3386 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3387 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3388
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3389 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3390 * Retrieves a description of the user-defined types (UDTs) defined in a particular schema.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3391 * Schema-specific UDTs may have type JAVA_OBJECT, STRUCT, or DISTINCT.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3392 * Only types matching the catalog, schema, type name and type criteria are returned.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3393 * They are ordered by DATA_TYPE, TYPE_CAT, TYPE_SCHEM and TYPE_NAME.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3394 * The type name parameter may be a fully-qualified name. In this case, the catalog and schemaPattern parameters are ignored.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3395 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3396 * Each type description has the following columns:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3397 *
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3398 * 1 TYPE_CAT String =&gt; the type's catalog (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3399 * 2 TYPE_SCHEM String =&gt; type's schema (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3400 * 3 TYPE_NAME String =&gt; type name
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3401 * 4 CLASS_NAME String =&gt; Java class name
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3402 * 5 DATA_TYPE int =&gt; type value defined in java.sql.Types. One of JAVA_OBJECT, STRUCT, or DISTINCT
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3403 * 6 REMARKS String =&gt; explanatory comment on the type
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3404 * 7 BASE_TYPE short =&gt; type code of the source type of a DISTINCT type or the type that implements the
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3405 * user-generated reference type of the SELF_REFERENCING_COLUMN of a structured type as defined
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3406 * in java.sql.Types (null if DATA_TYPE is not DISTINCT or not STRUCT with REFERENCE_GENERATION = USER_DEFINED)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3407 *
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3408 * @throws SQLException - if a database access error occurs
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3409 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3410 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3411 public ResultSet getUDTs(
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3412 final String catalog,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3413 final String schemaPattern,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3414 final String typeNamePattern,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3415 final int[] types
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3416 ) throws SQLException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3417 {
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3418 final StringBuilder query = new StringBuilder(990);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3419 if (types != null && types.length > 0) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3420 query.append("SELECT * FROM (");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3421 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3422 query.append("SELECT cast(null as char(1)) AS \"TYPE_CAT\", " +
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
3423 "s.\"name\" AS \"TYPE_SCHEM\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
3424 "t.\"sqlname\" AS \"TYPE_NAME\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
3425 "CASE t.\"sqlname\"" +
642
dd9b4fb14256 Added recognition of 'xml' type.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 626
diff changeset
3426 // next UDT only when "CREATE TYPE xml EXTERNAL NAME xml;" is executed
dd9b4fb14256 Added recognition of 'xml' type.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 626
diff changeset
3427 " WHEN 'xml' THEN 'java.lang.String'" +
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3428 " ELSE 'java.lang.Object' END AS \"CLASS_NAME\", " +
724
2b763b189452 Corrected DatabaseMetaData.getUDTs() output.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 716
diff changeset
3429 "cast(CASE WHEN t.\"sqlname\" = 'xml' THEN ").append(Types.JAVA_OBJECT)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3430 .append(" ELSE ").append(Types.STRUCT).append(" END AS int) AS \"DATA_TYPE\", " +
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
3431 "t.\"systemname\" AS \"REMARKS\", " +
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3432 "cast(null as smallint) AS \"BASE_TYPE\" " +
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
3433 "FROM \"sys\".\"types\" t " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
3434 "JOIN \"sys\".\"schemas\" s ON t.\"schema_id\" = s.\"id\" " +
724
2b763b189452 Corrected DatabaseMetaData.getUDTs() output.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 716
diff changeset
3435 // exclude the built-in types (I assume they always have id <= 99 and eclass < 18)
2b763b189452 Corrected DatabaseMetaData.getUDTs() output.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 716
diff changeset
3436 "WHERE t.\"id\" > 99" +
2b763b189452 Corrected DatabaseMetaData.getUDTs() output.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 716
diff changeset
3437 " AND t.\"eclass\" >= 18" +
2b763b189452 Corrected DatabaseMetaData.getUDTs() output.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 716
diff changeset
3438 " AND t.\"sqlname\" NOT IN ('inet','json','url','uuid')");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3439
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
3440 if (catalog != null && !catalog.isEmpty()) {
299
1f0324072b0c Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 298
diff changeset
3441 // non-empty catalog selection.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3442 // as we do not support catalogs this always results in no rows returned
352
f62137dd6050 Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
3443 query.append(" AND 1=0");
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
3444 } else {
323
8701024a9bb0 In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 306
diff changeset
3445 if (schemaPattern != null && !schemaPattern.equals("%")) {
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
3446 query.append(" AND s.\"name\" ").append(composeMatchPart(schemaPattern));
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
3447 }
323
8701024a9bb0 In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 306
diff changeset
3448 if (typeNamePattern != null && !typeNamePattern.equals("%")) {
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
3449 query.append(" AND t.\"sqlname\" ").append(composeMatchPart(typeNamePattern));
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
3450 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3451 }
215
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 213
diff changeset
3452
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3453 if (types != null && types.length > 0) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3454 query.append(") AS getUDTs WHERE \"DATA_TYPE\" IN (");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3455 for (int i = 0; i < types.length; i++) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3456 if (i > 0) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3457 query.append(", ");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3458 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3459 query.append(types[i]);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3460 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3461 query.append(")");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3462 }
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
3463
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3464 query.append(" ORDER BY \"DATA_TYPE\", \"TYPE_SCHEM\", \"TYPE_NAME\"");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3465
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3466 return executeMetaDataQuery(query.toString());
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3467 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3468
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3469 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3470 * Retrieves the connection that produced this metadata object.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3471 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3472 * @return the connection that produced this metadata object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3473 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3474 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3475 public Connection getConnection() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3476 return con;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3477 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3478
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3479 //== 1.4 methods (JDBC 3)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3480
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3481 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3482 * Retrieves whether this database supports savepoints.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3483 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3484 * @return <code>true</code> if savepoints are supported;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3485 * <code>false</code> otherwise
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3486 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3487 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3488 public boolean supportsSavepoints() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3489 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3490 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3491
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3492 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3493 * Retrieves whether this database supports named parameters to callable
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3494 * statements.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3495 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3496 * @return <code>true</code> if named parameters are supported;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3497 * <code>false</code> otherwise
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3498 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3499 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3500 public boolean supportsNamedParameters() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3501 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3502 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3503
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3504 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3505 * Retrieves whether it is possible to have multiple <code>ResultSet</code> objects
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3506 * returned from a <code>CallableStatement</code> object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3507 * simultaneously.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3508 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3509 * @return <code>true</code> if a <code>CallableStatement</code> object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3510 * can return multiple <code>ResultSet</code> objects
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3511 * simultaneously; <code>false</code> otherwise
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3512 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3513 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3514 public boolean supportsMultipleOpenResults() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3515 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3516 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3517
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3518 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3519 * Retrieves whether auto-generated keys can be retrieved after
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3520 * a statement has been executed.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3521 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3522 * @return <code>true</code> if auto-generated keys can be retrieved
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3523 * after a statement has executed; <code>false</code> otherwise
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3524 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3525 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3526 public boolean supportsGetGeneratedKeys() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3527 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3528 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3529
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3530 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3531 * Retrieves a description of the user-defined type (UDT)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3532 * hierarchies defined in a particular schema in this database. Only
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3533 * the immediate super type/ sub type relationship is modeled.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3534 * <P>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3535 * Only supertype information for UDTs matching the catalog,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3536 * schema, and type name is returned. The type name parameter
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3537 * may be a fully-qualified name. When the UDT name supplied is a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3538 * fully-qualified name, the catalog and schemaPattern parameters are
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3539 * ignored.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3540 * <P>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3541 * If a UDT does not have a direct super type, it is not listed here.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3542 * A row of the <code>ResultSet</code> object returned by this method
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3543 * describes the designated UDT and a direct supertype. A row has the following
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3544 * columns:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3545 * <OL>
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3546 * <LI><B>TYPE_CAT</B> String =&gt; the UDT's catalog (may be <code>null</code>)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3547 * <LI><B>TYPE_SCHEM</B> String =&gt; UDT's schema (may be <code>null</code>)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3548 * <LI><B>TYPE_NAME</B> String =&gt; type name of the UDT
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3549 * <LI><B>SUPERTYPE_CAT</B> String =&gt; the direct super type's catalog
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3550 * (may be <code>null</code>)
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3551 * <LI><B>SUPERTYPE_SCHEM</B> String =&gt; the direct super type's schema
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3552 * (may be <code>null</code>)
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3553 * <LI><B>SUPERTYPE_NAME</B> String =&gt; the direct super type's name
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3554 * </OL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3555 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3556 * <P><B>Note:</B> If the driver does not support type hierarchies, an
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3557 * empty result set is returned.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3558 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3559 * @param catalog a catalog name; "" retrieves those without a catalog;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3560 * <code>null</code> means drop catalog name from the selection criteria
245
55375d489024 Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 231
diff changeset
3561 * @param schemaPattern a schema name pattern; "" retrieves those without a schema
55375d489024 Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 231
diff changeset
3562 * @param typeNamePattern a UDT name pattern; may be a fully-qualified name
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3563 * @return a <code>ResultSet</code> object in which a row gives information
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3564 * about the designated UDT
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3565 * @throws SQLException if a database access error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3566 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3567 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3568 public ResultSet getSuperTypes(
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3569 final String catalog,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3570 final String schemaPattern,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3571 final String typeNamePattern
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3572 ) throws SQLException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3573 {
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3574 final String query =
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3575 "SELECT cast(null as char(1)) AS \"TYPE_CAT\", '' AS \"TYPE_SCHEM\", '' AS \"TYPE_NAME\", " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3576 "cast(null as char(1)) AS \"SUPERTYPE_CAT\", '' AS \"SUPERTYPE_SCHEM\", '' AS \"SUPERTYPE_NAME\" " +
352
f62137dd6050 Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
3577 "WHERE 1=0";
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3578
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3579 return executeMetaDataQuery(query);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3580 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3581
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3582 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3583 * Retrieves a description of the table hierarchies defined in a particular
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3584 * schema in this database.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3585 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3586 * <P>Only supertable information for tables matching the catalog, schema
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3587 * and table name are returned. The table name parameter may be a fully-
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3588 * qualified name, in which case, the catalog and schemaPattern parameters
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3589 * are ignored. If a table does not have a super table, it is not listed here.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3590 * Supertables have to be defined in the same catalog and schema as the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3591 * sub tables. Therefore, the type description does not need to include
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3592 * this information for the supertable.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3593 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3594 * <P>Each type description has the following columns:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3595 * <OL>
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3596 * <LI><B>TABLE_CAT</B> String =&gt; the type's catalog (may be <code>null</code>)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3597 * <LI><B>TABLE_SCHEM</B> String =&gt; type's schema (may be <code>null</code>)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3598 * <LI><B>TABLE_NAME</B> String =&gt; type name
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3599 * <LI><B>SUPERTABLE_NAME</B> String =&gt; the direct super type's name
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3600 * </OL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3601 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3602 * <P><B>Note:</B> If the driver does not support type hierarchies, an
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3603 * empty result set is returned.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3604 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3605 * @param catalog a catalog name; "" retrieves those without a catalog;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3606 * <code>null</code> means drop catalog name from the selection criteria
245
55375d489024 Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 231
diff changeset
3607 * @param schemaPattern a schema name pattern; "" retrieves those without a schema
55375d489024 Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 231
diff changeset
3608 * @param tableNamePattern a table name pattern; may be a fully-qualified name
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3609 * @return a <code>ResultSet</code> object in which each row is a type description
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3610 * @throws SQLException if a database access error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3611 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3612 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3613 public ResultSet getSuperTables(
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3614 final String catalog,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3615 final String schemaPattern,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3616 final String tableNamePattern
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3617 ) throws SQLException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3618 {
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3619 final String query =
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3620 "SELECT cast(null as char(1)) AS \"TABLE_CAT\", " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3621 "'' AS \"TABLE_SCHEM\", '' AS \"TABLE_NAME\", '' AS \"SUPERTABLE_NAME\" " +
352
f62137dd6050 Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
3622 "WHERE 1=0";
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3623
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3624 return executeMetaDataQuery(query);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3625 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3626
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3627 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3628 * Retrieves a description of the given attribute of the given type
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3629 * for a user-defined type (UDT) that is available in the given schema
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3630 * and catalog.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3631 * <P>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3632 * Descriptions are returned only for attributes of UDTs matching the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3633 * catalog, schema, type, and attribute name criteria. They are ordered by
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3634 * TYPE_SCHEM, TYPE_NAME and ORDINAL_POSITION. This description
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3635 * does not contain inherited attributes.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3636 * <P>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3637 * The <code>ResultSet</code> object that is returned has the following
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3638 * columns:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3639 * <OL>
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3640 * <LI><B>TYPE_CAT</B> String =&gt; type catalog (may be <code>null</code>)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3641 * <LI><B>TYPE_SCHEM</B> String =&gt; type schema (may be <code>null</code>)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3642 * <LI><B>TYPE_NAME</B> String =&gt; type name
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3643 * <LI><B>ATTR_NAME</B> String =&gt; attribute name
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3644 * <LI><B>DATA_TYPE</B> int =&gt; attribute type SQL type from java.sql.Types
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3645 * <LI><B>ATTR_TYPE_NAME</B> String =&gt; Data source dependent type name.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3646 * For a UDT, the type name is fully qualified. For a REF, the type name is
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3647 * fully qualified and represents the target type of the reference type.
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3648 * <LI><B>ATTR_SIZE</B> int =&gt; column size. For char or date
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3649 * types this is the maximum number of characters; for numeric or
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3650 * decimal types this is precision.
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3651 * <LI><B>DECIMAL_DIGITS</B> int =&gt; the number of fractional digits
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3652 * <LI><B>NUM_PREC_RADIX</B> int =&gt; Radix (typically either 10 or 2)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3653 * <LI><B>NULLABLE</B> int =&gt; whether NULL is allowed
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3654 * <UL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3655 * <LI> attributeNoNulls - might not allow NULL values
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3656 * <LI> attributeNullable - definitely allows NULL values
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3657 * <LI> attributeNullableUnknown - nullability unknown
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3658 * </UL>
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3659 * <LI><B>REMARKS</B> String =&gt; comment describing column (may be <code>null</code>)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3660 * <LI><B>ATTR_DEF</B> String =&gt; default value (may be <code>null</code>)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3661 * <LI><B>SQL_DATA_TYPE</B> int =&gt; unused
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3662 * <LI><B>SQL_DATETIME_SUB</B> int =&gt; unused
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3663 * <LI><B>CHAR_OCTET_LENGTH</B> int =&gt; for char types the
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3664 * maximum number of bytes in the column
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3665 * <LI><B>ORDINAL_POSITION</B> int =&gt; index of column in table
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3666 * (starting at 1)
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3667 * <LI><B>IS_NULLABLE</B> String =&gt; "NO" means column definitely
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3668 * does not allow NULL values; "YES" means the column might
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3669 * allow NULL values. An empty string means unknown.
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3670 * <LI><B>SCOPE_CATALOG</B> String =&gt; catalog of table that is the
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3671 * scope of a reference attribute (<code>null</code> if DATA_TYPE isn't REF)
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3672 * <LI><B>SCOPE_SCHEMA</B> String =&gt; schema of table that is the
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3673 * scope of a reference attribute (<code>null</code> if DATA_TYPE isn't REF)
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3674 * <LI><B>SCOPE_TABLE</B> String =&gt; table name that is the scope of a
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3675 * reference attribute (<code>null</code> if the DATA_TYPE isn't REF)
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3676 * <LI><B>SOURCE_DATA_TYPE</B> short =&gt; source type of a distinct type or user-generated
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3677 * Ref type,SQL type from java.sql.Types (<code>null</code> if DATA_TYPE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3678 * isn't DISTINCT or user-generated REF)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3679 * </OL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3680 * @param catalog a catalog name; must match the catalog name as it
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3681 * is stored in the database; "" retrieves those without a catalog;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3682 * <code>null</code> means that the catalog name should not be used to narrow
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3683 * the search
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3684 * @param schemaPattern a schema name pattern; must match the schema name
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3685 * as it is stored in the database; "" retrieves those without a schema;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3686 * <code>null</code> means that the schema name should not be used to narrow
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3687 * the search
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3688 * @param typeNamePattern a type name pattern; must match the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3689 * type name as it is stored in the database
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3690 * @param attributeNamePattern an attribute name pattern; must match the attribute
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3691 * name as it is declared in the database
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3692 * @return a <code>ResultSet</code> object in which each row is an
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3693 * attribute description
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3694 * @throws SQLException if a database access error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3695 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3696 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3697 public ResultSet getAttributes(
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3698 final String catalog,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3699 final String schemaPattern,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3700 final String typeNamePattern,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3701 final String attributeNamePattern
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3702 ) throws SQLException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3703 {
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3704 final String query =
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3705 "SELECT cast(null as char(1)) AS \"TYPE_CAT\", '' AS \"TYPE_SCHEM\", '' AS \"TYPE_NAME\", " +
217
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
3706 "'' AS \"ATTR_NAME\", cast(0 as int) AS \"DATA_TYPE\", '' AS \"ATTR_TYPE_NAME\", cast(0 as int) AS \"ATTR_SIZE\", " +
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
3707 "cast(0 as int) AS \"DECIMAL_DIGITS\", cast(0 as int) AS \"NUM_PREC_RADIX\", cast(0 as int) AS \"NULLABLE\", " +
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
3708 "'' AS \"REMARKS\", '' AS \"ATTR_DEF\", cast(0 as int) AS \"SQL_DATA_TYPE\", " +
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
3709 "cast(0 as int) AS \"SQL_DATETIME_SUB\", cast(0 as int) AS \"CHAR_OCTET_LENGTH\", " +
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
3710 "cast(0 as int) AS \"ORDINAL_POSITION\", 'YES' AS \"IS_NULLABLE\", " +
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3711 "'' AS \"SCOPE_CATALOG\", '' AS \"SCOPE_SCHEMA\", '' AS \"SCOPE_TABLE\", " +
217
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
3712 "cast(0 as smallint) AS \"SOURCE_DATA_TYPE\" " +
352
f62137dd6050 Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
3713 "WHERE 1=0";
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3714
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3715 return executeMetaDataQuery(query);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3716 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3717
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3718 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3719 * Retrieves whether this database supports the given result set holdability.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3720 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3721 * @param holdability one of the following constants:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3722 * <code>ResultSet.HOLD_CURSORS_OVER_COMMIT</code> or
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3723 * <code>ResultSet.CLOSE_CURSORS_AT_COMMIT</code>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3724 * @return <code>true</code> if so; <code>false</code> otherwise
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3725 * @see Connection
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3726 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3727 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3728 public boolean supportsResultSetHoldability(final int holdability) {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3729 // we don't close ResultSets at commit; and we don't do updateable
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3730 // result sets, so comes closest to hold cursors over commit
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3731 return holdability == ResultSet.HOLD_CURSORS_OVER_COMMIT;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3732 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3733
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3734 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3735 * Retrieves the default holdability of this <code>ResultSet</code>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3736 * object.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3737 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3738 * @return the default holdability; either
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3739 * <code>ResultSet.HOLD_CURSORS_OVER_COMMIT</code> or
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3740 * <code>ResultSet.CLOSE_CURSORS_AT_COMMIT</code>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3741 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3742 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3743 public int getResultSetHoldability() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3744 return ResultSet.HOLD_CURSORS_OVER_COMMIT;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3745 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3746
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3747 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3748 * Retrieves the major version number of the underlying database.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3749 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3750 * @return the underlying database's major version
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3751 * @throws SQLException if a database access error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3752 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3753 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3754 public int getDatabaseMajorVersion() throws SQLException {
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 331
diff changeset
3755 return con.getDatabaseMajorVersion();
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3756 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3757
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3758 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3759 * Retrieves the minor version number of the underlying database.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3760 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3761 * @return underlying database's minor version
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3762 * @throws SQLException if a database access error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3763 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3764 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3765 public int getDatabaseMinorVersion() throws SQLException {
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 331
diff changeset
3766 return con.getDatabaseMinorVersion();
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3767 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3768
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3769 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3770 * Retrieves the major JDBC version number for this driver.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3771 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3772 * @return JDBC version major number
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3773 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3774 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3775 public int getJDBCMajorVersion() {
389
3c224b31bd29 return the correct value for getJDBCMinorVersion() now we implemented JDBC 4.2 methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 380
diff changeset
3776 return 4; // This class implements JDBC 4.2 (at least we try to)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3777 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3778
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3779 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3780 * Retrieves the minor JDBC version number for this driver.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3781 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3782 * @return JDBC version minor number
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3783 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3784 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3785 public int getJDBCMinorVersion() {
389
3c224b31bd29 return the correct value for getJDBCMinorVersion() now we implemented JDBC 4.2 methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 380
diff changeset
3786 return 2; // This class implements JDBC 4.2 (at least we try to)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3787 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3788
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3789 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3790 * Indicates whether the SQLSTATEs returned by <code>SQLException.getSQLState</code>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3791 * is X/Open (now known as Open Group) SQL CLI or SQL:2003.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3792 * @return the type of SQLSTATEs, one of:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3793 * sqlStateXOpen or
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3794 * sqlStateSQL
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3795 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3796 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3797 public int getSQLStateType() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3798 // At least this driver conforms with SQLSTATE to the SQL:2003 standard
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3799 return DatabaseMetaData.sqlStateSQL;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3800 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3801
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3802 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3803 * Indicates whether updates made to a LOB are made on a copy or directly
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3804 * to the LOB.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3805 * @return <code>true</code> if updates are made to a copy of the LOB;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3806 * <code>false</code> if updates are made directly to the LOB
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3807 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3808 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3809 public boolean locatorsUpdateCopy() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3810 // not that we have it, but in a transaction it will be copy-on-write
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3811 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3812 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3813
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3814 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3815 * Retrieves whether this database supports statement pooling.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3816 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3817 * @return <code>true</code> is so;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3818 <code>false</code> otherwise
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3819 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3820 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3821 public boolean supportsStatementPooling() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3822 // For the moment, I don't think so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3823 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3824 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3825
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3826 //== 1.6 methods (JDBC 4)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3827
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3828 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3829 * Indicates whether or not this data source supports the SQL ROWID
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3830 * type, and if so the lifetime for which a RowId object remains
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3831 * valid.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3832 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3833 * @return ROWID_UNSUPPORTED for now
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3834 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3835 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3836 public RowIdLifetime getRowIdLifetime() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3837 // I believe we don't do rowids
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3838 return RowIdLifetime.ROWID_UNSUPPORTED;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3839 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3840
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3841 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3842 * Get the schema names available in this database. The results
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3843 * are ordered by schema name.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3844 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3845 * <P>The schema column is:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3846 * <OL>
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3847 * <LI><B>TABLE_SCHEM</B> String =&gt; schema name
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3848 * <LI><B>TABLE_CATALOG</B> String =&gt; catalog name (may be null)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3849 * </OL>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3850 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3851 * @return ResultSet each row has a single String column that is a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3852 * schema name
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3853 * @throws SQLException if a database error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3854 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3855 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3856 public ResultSet getSchemas() throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3857 return getSchemas(null, null);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3858 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3859
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3860 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3861 * Retrieves whether this database supports invoking user-defined or
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3862 * vendor functions using the stored procedure escape syntax.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3863 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3864 * @return true if so; false otherwise
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3865 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3866 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3867 public boolean supportsStoredFunctionsUsingCallSyntax() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3868 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3869 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3870
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3871 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3872 * Retrieves whether a SQLException while autoCommit is true
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3873 * inidcates that all open ResultSets are closed, even ones that are
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3874 * holdable. When a SQLException occurs while autocommit is true, it
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3875 * is vendor specific whether the JDBC driver responds with a commit
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3876 * operation, a rollback operation, or by doing neither a commit nor
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3877 * a rollback. A potential result of this difference is in whether
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3878 * or not holdable ResultSets are closed.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3879 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3880 * @return true if so; false otherwise
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3881 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3882 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3883 public boolean autoCommitFailureClosesAllResultSets() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3884 // The driver caches most of it, and as far as I knoww the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3885 // server doesn't close outstanding result handles on commit
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3886 // failure either.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3887 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3888 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3889
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3890 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3891 * Retrieves a list of the client info properties that the driver
415
50e43af49d47 Improved DatabaseMetaData.getTypeInfo() output for temporal data types: sec_interval, day_interval, month_interval, date, time, timetz, timestamp and timestamptz.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
3892 * supports. The result set contains the following columns:
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3893 * 1. NAME String =&gt; The name of the client info property
415
50e43af49d47 Improved DatabaseMetaData.getTypeInfo() output for temporal data types: sec_interval, day_interval, month_interval, date, time, timetz, timestamp and timestamptz.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
3894 * 2. MAX_LEN int =&gt; The maximum length of the value for the property
50e43af49d47 Improved DatabaseMetaData.getTypeInfo() output for temporal data types: sec_interval, day_interval, month_interval, date, time, timetz, timestamp and timestamptz.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
3895 * 3. DEFAULT_VALUE String =&gt; The default value of the property
50e43af49d47 Improved DatabaseMetaData.getTypeInfo() output for temporal data types: sec_interval, day_interval, month_interval, date, time, timetz, timestamp and timestamptz.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
3896 * 4. DESCRIPTION String =&gt; A description of the property.
50e43af49d47 Improved DatabaseMetaData.getTypeInfo() output for temporal data types: sec_interval, day_interval, month_interval, date, time, timetz, timestamp and timestamptz.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
3897 * This will typically contain information as to
50e43af49d47 Improved DatabaseMetaData.getTypeInfo() output for temporal data types: sec_interval, day_interval, month_interval, date, time, timetz, timestamp and timestamptz.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
3898 * where this property is stored in the database.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3899 * The ResultSet is sorted by the NAME column
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3900 *
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
3901 * @return A ResultSet object; each row is a supported client info property
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3902 * @throws SQLException if a database access error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3903 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3904 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3905 public ResultSet getClientInfoProperties() throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3906 // for a list of connection properties see also MonetConnection.java constructor MonetConnection(Properties props)
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3907 final String query =
439
5a278d9474f1 No need to include newlines or tabs in SQL query strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 431
diff changeset
3908 "SELECT * FROM (VALUES " +
5a278d9474f1 No need to include newlines or tabs in SQL query strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 431
diff changeset
3909 "('host', cast(1024 as int), 'localhost', 'DSN or IP-address of machine running MonetDB')," +
5a278d9474f1 No need to include newlines or tabs in SQL query strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 431
diff changeset
3910 "('port', 5, '50000', 'communication port number of MonetDB server process')," +
5a278d9474f1 No need to include newlines or tabs in SQL query strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 431
diff changeset
3911 "('user', 1024, '', 'user name to login to MonetDB server')," +
5a278d9474f1 No need to include newlines or tabs in SQL query strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 431
diff changeset
3912 "('password', 128, '', 'password for user name to login to MonetDB server')," +
5a278d9474f1 No need to include newlines or tabs in SQL query strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 431
diff changeset
3913 "('language', 16, 'sql', 'language (sql or mal) used to parse commands in MonetDB server')," +
5a278d9474f1 No need to include newlines or tabs in SQL query strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 431
diff changeset
3914 "('database', 1024, 'demo', 'name of database. It matches the dbfarm subdirectory name')," +
666
2448ce017593 Fixes related to adding autocommit=true/false option to jdbc url
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 653
diff changeset
3915 "('autocommit', 5, 'true', 'boolean flag true or false to turn autocommit on or off')," +
2448ce017593 Fixes related to adding autocommit=true/false option to jdbc url
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 653
diff changeset
3916 "('debug', 5, 'false', 'boolean flag true or false to turn debug logging on or off')," +
439
5a278d9474f1 No need to include newlines or tabs in SQL query strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 431
diff changeset
3917 "('logfile', 1024, 'monet_######.log', 'name of logfile used when debug is enabled')," +
5a278d9474f1 No need to include newlines or tabs in SQL query strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 431
diff changeset
3918 "('hash', 128, '', 'hash methods list to use in server connection. Supported are SHA512, SHA384, SHA256 and SHA1')," +
5a278d9474f1 No need to include newlines or tabs in SQL query strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 431
diff changeset
3919 "('treat_blob_as_binary', 5, 'true', 'should blob columns be mapped to Types.VARBINARY instead of Types.BLOB in ResultSets and PreparedStatements')," +
5a278d9474f1 No need to include newlines or tabs in SQL query strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 431
diff changeset
3920 "('treat_clob_as_varchar', 5, 'true', 'should clob columns be mapped to Types.VARCHAR instead of Types.CLOB in ResultSets and PreparedStatements')," +
5a278d9474f1 No need to include newlines or tabs in SQL query strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 431
diff changeset
3921 "('so_timeout', 10, '0', 'timeout (in milliseconds) of communication socket. 0 means no timeout is set')," +
5a278d9474f1 No need to include newlines or tabs in SQL query strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 431
diff changeset
3922 "('fetchsize', 11, '250', 'number of result rows to fetch per round trip')" + // only supported by servers from version 11.41.1 onwards
5a278d9474f1 No need to include newlines or tabs in SQL query strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 431
diff changeset
3923 ") AS t(\"NAME\", \"MAX_LEN\", \"DEFAULT_VALUE\", \"DESCRIPTION\")" +
5a278d9474f1 No need to include newlines or tabs in SQL query strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 431
diff changeset
3924 " ORDER BY \"NAME\"";
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3925
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3926 return executeMetaDataQuery(query);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3927 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3928
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3929 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3930 * Retrieves a description of the system and user functions
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3931 * available in the given catalog.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3932 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3933 * Only system and user function descriptions matching the schema
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3934 * and function name criteria are returned. They are ordered by
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3935 * FUNCTION_CAT, FUNCTION_SCHEM, FUNCTION_NAME and SPECIFIC_ NAME.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3936 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3937 * Each function description has the the following columns:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3938 *
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3939 * 1. FUNCTION_CAT String =&gt; function catalog (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3940 * 2. FUNCTION_SCHEM String =&gt; function schema (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3941 * 3. FUNCTION_NAME String =&gt; function name. This is the
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3942 * name used to invoke the function
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3943 * 4. REMARKS String =&gt; explanatory comment on the function
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3944 * 5. FUNCTION_TYPE short =&gt; kind of function:
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3945 * * functionResultUnknown - Cannot determine if a return
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3946 * value or table will be returned
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3947 * * functionNoTable- Does not return a table
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3948 * * functionReturnsTable - Returns a table
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
3949 * 6. SPECIFIC_NAME String =&gt; the name which uniquely identifies
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3950 * this function within its schema. This is a user specified,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3951 * or DBMS generated, name that may be different then the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3952 * FUNCTION_NAME for example with overload functions
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3953 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3954 * A user may not have permission to execute any of the functions
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3955 * that are returned by getFunctions.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3956 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3957 * @param catalog a catalog name; must match the catalog name as it
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3958 * is stored in the database; "" retrieves those without a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3959 * catalog; null means that the catalog name should not be
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3960 * used to narrow the search
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3961 * @param schemaPattern a schema name pattern; must match the schema
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3962 * name as it is stored in the database; "" retrieves those
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3963 * without a schema; null means that the schema name should
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3964 * not be used to narrow the search
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3965 * @param functionNamePattern a function name pattern; must match
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3966 * the function name as it is stored in the database
371
67fa5c6147d7 Correct SQL syntax in comment (LIKE "%" is not valid SQL in WHERE clause)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 370
diff changeset
3967 * Note that our implementation allows this param to be null also (for efficiency as no extra LIKE '%' condition is added to be evaluated).
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3968 * @return ResultSet - each row is a function description
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3969 * @throws SQLException if a database access error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3970 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3971 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3972 public ResultSet getFunctions(
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3973 final String catalog,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3974 final String schemaPattern,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3975 final String functionNamePattern
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3976 ) throws SQLException
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3977 {
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 331
diff changeset
3978 final boolean useCommentsTable = con.commentsTableExists();
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
3979 final StringBuilder query = new StringBuilder(800);
217
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
3980 query.append("SELECT cast(null as char(1)) AS \"FUNCTION_CAT\", " +
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
3981 "s.\"name\" AS \"FUNCTION_SCHEM\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
3982 "f.\"name\" AS \"FUNCTION_NAME\", ")
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
3983 .append(useCommentsTable ? "COALESCE(cm.\"remark\", cast(f.\"func\" as varchar(9999)))" : "cast(f.\"func\" as varchar(9999))").append(" AS \"REMARKS\", " +
366
83bfade6333e Optimise constructed SQL query for getFunctions().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 365
diff changeset
3984 "CASE WHEN f.\"type\" IN (1,2,3,4,6) THEN ").append(DatabaseMetaData.functionNoTable)
83bfade6333e Optimise constructed SQL query for getFunctions().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 365
diff changeset
3985 .append(" WHEN f.\"type\" IN (5,7) THEN ").append(DatabaseMetaData.functionReturnsTable)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3986 .append(" ELSE ").append(DatabaseMetaData.functionResultUnknown).append(" END AS \"FUNCTION_TYPE\", " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3987 // only the id value uniquely identifies a function. Include it to be able to differentiate between multiple overloaded functions with the same name
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
3988 "cast(f.\"id\" as varchar(10)) AS \"SPECIFIC_NAME\" " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
3989 "FROM \"sys\".\"functions\" f " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
3990 "JOIN \"sys\".\"schemas\" s ON f.\"schema_id\" = s.\"id\" ");
215
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 213
diff changeset
3991 if (useCommentsTable) {
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
3992 query.append("LEFT OUTER JOIN \"sys\".\"comments\" cm ON (f.\"id\" = cm.\"id\") ");
215
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 213
diff changeset
3993 }
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 213
diff changeset
3994 // only functions, so exclude procedures (type = 2). Those will to be returned via getProcedures()
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
3995 query.append("WHERE f.\"type\" <> 2");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3996
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
3997 if (catalog != null && !catalog.isEmpty()) {
299
1f0324072b0c Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 298
diff changeset
3998 // non-empty catalog selection.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3999 // as we do not support catalogs this always results in no rows returned
352
f62137dd6050 Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
4000 query.append(" AND 1=0");
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
4001 } else {
323
8701024a9bb0 In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 306
diff changeset
4002 if (schemaPattern != null && !schemaPattern.equals("%")) {
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
4003 query.append(" AND s.\"name\" ").append(composeMatchPart(schemaPattern));
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
4004 }
323
8701024a9bb0 In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 306
diff changeset
4005 if (functionNamePattern != null && !functionNamePattern.equals("%")) {
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
4006 query.append(" AND f.\"name\" ").append(composeMatchPart(functionNamePattern));
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
4007 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4008 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4009
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4010 query.append(" ORDER BY \"FUNCTION_SCHEM\", \"FUNCTION_NAME\", \"SPECIFIC_NAME\"");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4011
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4012 return executeMetaDataQuery(query.toString());
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4013 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4014
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4015 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4016 * Retrieves a description of the given catalog's system or user
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4017 * function parameters and return type.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4018 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4019 * Only descriptions matching the schema, function and parameter name criteria are returned.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4020 * They are ordered by FUNCTION_CAT, FUNCTION_SCHEM, FUNCTION_NAME and SPECIFIC_ NAME.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4021 * Within this, the return value, if any, is first. Next are the parameter descriptions in call order.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4022 * The column descriptions follow in column number order.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4023 *
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
4024 * 1. FUNCTION_CAT String =&gt; function catalog (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
4025 * 2. FUNCTION_SCHEM String =&gt; function schema (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
4026 * 3. FUNCTION_NAME String =&gt; function name. This is the name used to invoke the function
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
4027 * 4. COLUMN_NAME String =&gt; column/parameter name
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
4028 * 5. COLUMN_TYPE Short =&gt; kind of column/parameter:
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4029 * functionColumnUnknown - nobody knows
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4030 * functionColumnIn - IN parameter
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4031 * functionColumnInOut - INOUT parameter
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4032 * functionColumnOut - OUT parameter
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4033 * functionColumnReturn - function return value
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4034 * functionColumnResult - Indicates that the parameter or column is a column in the ResultSet
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
4035 * 6. DATA_TYPE int =&gt; SQL type from java.sql.Types
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
4036 * 7. TYPE_NAME String =&gt; SQL type name, for a UDT type the type name is fully qualified
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
4037 * 8. PRECISION int =&gt; precision
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
4038 * 9. LENGTH int =&gt; length in bytes of data
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
4039 * 10. SCALE short =&gt; scale - null is returned for data types where SCALE is not applicable.
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
4040 * 11. RADIX short =&gt; radix
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
4041 * 12. NULLABLE short =&gt; can it contain NULL.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4042 * functionNoNulls - does not allow NULL values
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4043 * functionNullable - allows NULL values
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4044 * functionNullableUnknown - nullability unknown
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
4045 * 13. REMARKS String =&gt; comment describing column/parameter
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
4046 * 14. CHAR_OCTET_LENGTH int =&gt; the maximum length of binary and character based parameters or columns. For any other datatype the returned value is a NULL
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
4047 * 15. ORDINAL_POSITION int =&gt; the ordinal position, starting from 1, for the input and output parameters.
15
6e48d0fae766 Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 7
diff changeset
4048 * A value of 0 is returned if this row describes the function's return value. For result set columns, it is the ordinal position of the column in the result set starting from 1.
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
4049 * 16. IS_NULLABLE String =&gt; ISO rules are used to determine the nullability for a parameter or column.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4050 * YES --- if the parameter or column can include NULLs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4051 * NO --- if the parameter or column cannot include NULLs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4052 * empty string --- if the nullability for the parameter or column is unknown
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
4053 * 17. SPECIFIC_NAME String =&gt; the name which uniquely identifies this function within its schema.
15
6e48d0fae766 Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 7
diff changeset
4054 * This is a user specified, or DBMS generated, name that may be different then the FUNCTION_NAME for example with overload functions
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4055 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4056 * @param catalog a catalog name; must match the catalog name as
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4057 * it is stored in the database; "" retrieves those without a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4058 * catalog; null means that the catalog name should not be
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4059 * used to narrow the search
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4060 * @param schemaPattern a schema name pattern; must match the schema
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4061 * name as it is stored in the database; "" retrieves those
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4062 * without a schema; null means that the schema name should
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4063 * not be used to narrow the search
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4064 * @param functionNamePattern a procedure name pattern; must match the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4065 * function name as it is stored in the database
371
67fa5c6147d7 Correct SQL syntax in comment (LIKE "%" is not valid SQL in WHERE clause)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 370
diff changeset
4066 * Note that our implementation allows this param to be null also (for efficiency as no extra LIKE '%' condition is added to be evaluated).
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4067 * @param columnNamePattern a parameter name pattern; must match the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4068 * parameter or column name as it is stored in the database
371
67fa5c6147d7 Correct SQL syntax in comment (LIKE "%" is not valid SQL in WHERE clause)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 370
diff changeset
4069 * Note that our implementation allows this param to be null also (for efficiency as no extra LIKE '%' condition is added to be evaluated).
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4070 * @return ResultSet - each row describes a user function parameter,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4071 * column or return type
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4072 * @throws SQLException - if a database access error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4073 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4074 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4075 public ResultSet getFunctionColumns(
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
4076 final String catalog,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
4077 final String schemaPattern,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
4078 final String functionNamePattern,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
4079 final String columnNamePattern
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
4080 ) throws SQLException
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4081 {
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
4082 final StringBuilder query = new StringBuilder(2600);
217
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
4083 query.append("SELECT cast(null as char(1)) AS \"FUNCTION_CAT\", " +
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
4084 "s.\"name\" AS \"FUNCTION_SCHEM\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
4085 "f.\"name\" AS \"FUNCTION_NAME\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
4086 "a.\"name\" AS \"COLUMN_NAME\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
4087 "cast(CASE a.\"inout\"" +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
4088 " WHEN 0 THEN (CASE a.\"number\" WHEN 0 THEN ")
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4089 .append(DatabaseMetaData.functionReturn).append(" ELSE ").append(DatabaseMetaData.functionColumnOut).append(" END)" +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4090 " WHEN 1 THEN ").append(DatabaseMetaData.functionColumnIn)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4091 .append(" ELSE ").append(DatabaseMetaData.functionColumnUnknown).append(" END AS smallint) AS \"COLUMN_TYPE\", " +
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
4092 "cast(").append(MonetDriver.getSQLTypeMap("a.\"type\"")).append(" AS int) AS \"DATA_TYPE\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
4093 "a.\"type\" AS \"TYPE_NAME\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
4094 "CASE a.\"type\" WHEN 'tinyint' THEN 3 WHEN 'smallint' THEN 5 WHEN 'int' THEN 10 WHEN 'bigint' THEN 19" +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
4095 " WHEN 'hugeint' THEN 38 WHEN 'oid' THEN 19 WHEN 'wrd' THEN 19 ELSE a.\"type_digits\" END AS \"PRECISION\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
4096 "CASE a.\"type\" WHEN 'tinyint' THEN 1 WHEN 'smallint' THEN 2 WHEN 'int' THEN 4 WHEN 'bigint' THEN 8" +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
4097 " WHEN 'hugeint' THEN 16 WHEN 'oid' THEN 8 WHEN 'wrd' THEN 8 ELSE a.\"type_digits\" END AS \"LENGTH\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
4098 "cast(CASE WHEN a.\"type\" IN ('tinyint','smallint','int','bigint','hugeint','oid','wrd','decimal','numeric'," +
379
d7661075ebf7 Add support for new (as of Oct2020 release) datatype: day_interval
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 376
diff changeset
4099 "'time','timetz','timestamp','timestamptz','day_interval','month_interval','sec_interval') THEN a.\"type_scale\" ELSE NULL END AS smallint) AS \"SCALE\", " +
415
50e43af49d47 Improved DatabaseMetaData.getTypeInfo() output for temporal data types: sec_interval, day_interval, month_interval, date, time, timetz, timestamp and timestamptz.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
4100 "cast(CASE WHEN a.\"type\" IN ('tinyint','smallint','int','bigint','hugeint','oid','wrd','decimal','numeric','day_interval','month_interval','sec_interval') THEN 10" +
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
4101 " WHEN a.\"type\" IN ('real','float','double') THEN 2 ELSE NULL END AS smallint) AS \"RADIX\", " +
217
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
4102 "cast(").append(DatabaseMetaData.functionNullableUnknown).append(" AS smallint) AS \"NULLABLE\", " +
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
4103 "cast(null as char(1)) AS \"REMARKS\", " +
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
4104 "cast(CASE WHEN a.\"type\" IN ('char','varchar','clob') THEN a.\"type_digits\" ELSE NULL END as int) AS \"CHAR_OCTET_LENGTH\", " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
4105 "cast(a.\"number\" as int) AS \"ORDINAL_POSITION\", " +
217
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
4106 "cast('' as varchar(3)) AS \"IS_NULLABLE\", " +
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4107 // the specific name contains the function id, in order to be able to match the args to the correct overloaded function name
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
4108 "cast(f.\"id\" as varchar(10)) AS \"SPECIFIC_NAME\" " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
4109 "FROM \"sys\".\"args\" a " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
4110 "JOIN \"sys\".\"functions\" f ON a.\"func_id\" = f.\"id\" " +
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
4111 "JOIN \"sys\".\"schemas\" s ON f.\"schema_id\" = s.\"id\" " +
215
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 213
diff changeset
4112 // only functions, so exclude procedures (type = 2). Those will to be returned via getProcedureColumns()
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
4113 "WHERE f.\"type\" <> 2");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4114
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
4115 if (catalog != null && !catalog.isEmpty()) {
299
1f0324072b0c Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 298
diff changeset
4116 // non-empty catalog selection.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4117 // as we do not support catalogs this always results in no rows returned
352
f62137dd6050 Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
4118 query.append(" AND 1=0");
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
4119 } else {
323
8701024a9bb0 In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 306
diff changeset
4120 if (schemaPattern != null && !schemaPattern.equals("%")) {
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
4121 query.append(" AND s.\"name\" ").append(composeMatchPart(schemaPattern));
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
4122 }
323
8701024a9bb0 In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 306
diff changeset
4123 if (functionNamePattern != null && !functionNamePattern.equals("%")) {
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
4124 query.append(" AND f.\"name\" ").append(composeMatchPart(functionNamePattern));
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
4125 }
323
8701024a9bb0 In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 306
diff changeset
4126 if (columnNamePattern != null && !columnNamePattern.equals("%")) {
302
1b6c514106ce Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
4127 query.append(" AND a.\"name\" ").append(composeMatchPart(columnNamePattern));
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
4128 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4129 }
216
116b5a149fb4 Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
4130
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4131 query.append(" ORDER BY \"FUNCTION_SCHEM\", \"FUNCTION_NAME\", \"SPECIFIC_NAME\", \"ORDINAL_POSITION\"");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4132
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4133 return executeMetaDataQuery(query.toString());
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4134 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4135
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4136 //== 1.7 methods (JDBC 4.1)
372
159c628527c4 Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 371
diff changeset
4137
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4138 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4139 * Retrieves a description of the pseudo or hidden columns available
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4140 * in a given table within the specified catalog and schema. Pseudo
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4141 * or hidden columns may not always be stored within a table and are
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4142 * not visible in a ResultSet unless they are specified in the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4143 * query's outermost SELECT list. Pseudo or hidden columns may not
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4144 * necessarily be able to be modified.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4145 * If there are no pseudo or hidden columns, an empty ResultSet is returned.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4146 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4147 * Only column descriptions matching the catalog, schema, table and column name criteria are returned.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4148 * They are ordered by TABLE_CAT,TABLE_SCHEM, TABLE_NAME and COLUMN_NAME.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4149 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4150 * Each column description has the following columns:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4151 *
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
4152 * 1. TABLE_CAT String =&gt; table catalog (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
4153 * 2. TABLE_SCHEM String =&gt; table schema (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
4154 * 3. TABLE_NAME String =&gt; table name
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
4155 * 4. COLUMN_NAME String =&gt; column name
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
4156 * 5. DATA_TYPE int =&gt; SQL type from java.sql.Types
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
4157 * 6. COLUMN_SIZE int =&gt; column size.
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
4158 * 7. DECIMAL_DIGITS int =&gt; the number of fractional digits. Null is returned for data types where DECIMAL_DIGITS is not applicable.
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
4159 * 8. NUM_PREC_RADIX int =&gt; Radix (typically either 10 or 2)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
4160 * 9. COLUMN_USAGE String =&gt; The allowed usage for the column. The value returned will correspond to the enum name returned by PseudoColumnUsage.name()
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
4161 * 10. REMARKS String =&gt; comment describing column (may be null)
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
4162 * 11. CHAR_OCTET_LENGTH int =&gt; for char types the maximum number of bytes in the column
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
4163 * 12. IS_NULLABLE String =&gt; ISO rules are used to determine the nullability for a column.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4164 * YES --- if the column can include NULLs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4165 * NO --- if the column cannot include NULLs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4166 * empty string --- if the nullability for the column is unknown
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4167 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4168 * @param catalog a catalog name
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4169 * @param schemaPattern a schema name pattern
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4170 * @param tableNamePattern a table name pattern
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4171 * @param columnNamePattern a column name pattern
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4172 * @return ResultSet where each row is a column description
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4173 * @throws SQLException if a database access error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4174 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4175 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4176 public ResultSet getPseudoColumns(
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
4177 final String catalog,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
4178 final String schemaPattern,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
4179 final String tableNamePattern,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
4180 final String columnNamePattern
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
4181 ) throws SQLException
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4182 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4183 // MonetDB currently does not support pseudo or hidden columns, so return an empty ResultSet
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 294
diff changeset
4184 final String query =
217
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
4185 "SELECT cast(null as char(1)) AS \"TABLE_CAT\", " +
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
4186 "'' AS \"TABLE_SCHEM\", " +
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
4187 "'' AS \"TABLE_NAME\", " +
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
4188 "'' AS \"COLUMN_NAME\", " +
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
4189 "cast(0 as int) AS \"DATA_TYPE\", " +
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
4190 "cast(0 as int) AS \"COLUMN_SIZE\", " +
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
4191 "cast(0 as int) AS \"DECIMAL_DIGITS\", " +
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
4192 "cast(0 as int) AS \"NUM_PREC_RADIX\", " +
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
4193 "'' AS \"COLUMN_USAGE\", " +
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
4194 "'' AS \"REMARKS\", " +
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
4195 "cast(0 as int) AS \"CHAR_OCTET_LENGTH\", " +
7cbd20ff628c Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 216
diff changeset
4196 "'' AS \"IS_NULLABLE\" " +
352
f62137dd6050 Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
4197 "WHERE 1=0";
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4198
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4199 return executeMetaDataQuery(query);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4200 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4201
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4202 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4203 * Retrieves whether a generated key will always be returned if the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4204 * column name(s) or index(es) specified for the auto generated key
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4205 * column(s) are valid and the statement succeeds. The key that is
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4206 * returned may or may not be based on the column(s) for the auto
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4207 * generated key.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4208 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4209 * @return true if so, false otherwise
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4210 * @throws SQLException - if a database access error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4211 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4212 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4213 public boolean generatedKeyAlwaysReturned() throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4214 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4215 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4216
376
ffdc7b0e102d Updated JDBC driver to comply with JDBC 4.2 interface now we compile for Java 8. This includes:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 375
diff changeset
4217 //== Java 1.8 methods (JDBC 4.2)
264
d31b99f06b26 Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 263
diff changeset
4218
d31b99f06b26 Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 263
diff changeset
4219 /**
d31b99f06b26 Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 263
diff changeset
4220 * Retrieves the maximum number of bytes this database allows for the logical size for a LOB.
d31b99f06b26 Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 263
diff changeset
4221 * The default implementation will return 0
376
ffdc7b0e102d Updated JDBC driver to comply with JDBC 4.2 interface now we compile for Java 8. This includes:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 375
diff changeset
4222 * @return the maximum number of bytes allowed; a result of zero means that there is no limit or the limit is not known
264
d31b99f06b26 Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 263
diff changeset
4223 */
d31b99f06b26 Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 263
diff changeset
4224 @Override
d31b99f06b26 Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 263
diff changeset
4225 public long getMaxLogicalLobSize() {
d31b99f06b26 Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 263
diff changeset
4226 return 0;
d31b99f06b26 Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 263
diff changeset
4227 }
d31b99f06b26 Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 263
diff changeset
4228
d31b99f06b26 Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 263
diff changeset
4229 /**
d31b99f06b26 Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 263
diff changeset
4230 * Retrieves whether this database supports REF CURSOR.
d31b99f06b26 Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 263
diff changeset
4231 * The default implementation will return false
376
ffdc7b0e102d Updated JDBC driver to comply with JDBC 4.2 interface now we compile for Java 8. This includes:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 375
diff changeset
4232 * @return true if this database supports REF CURSOR; false otherwise
264
d31b99f06b26 Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 263
diff changeset
4233 */
d31b99f06b26 Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 263
diff changeset
4234 @Override
d31b99f06b26 Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 263
diff changeset
4235 public boolean supportsRefCursors() {
d31b99f06b26 Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 263
diff changeset
4236 return false;
d31b99f06b26 Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 263
diff changeset
4237 }
d31b99f06b26 Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 263
diff changeset
4238
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4239 //== end methods interface DatabaseMetaData
303
a91168efdf27 Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 302
diff changeset
4240
a91168efdf27 Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 302
diff changeset
4241
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 331
diff changeset
4242 //== internal helper methods which do not belong to the JDBC interface
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 331
diff changeset
4243
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 331
diff changeset
4244 /**
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 331
diff changeset
4245 * Internal utility method to create a Statement object, execute a query and return the ResulSet object which allows scrolling.
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 331
diff changeset
4246 * As the Statement object is created internally (the caller does not see it and thus can not close it),
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 331
diff changeset
4247 * we set it to close (and free server resources) when the ResultSet object is closed by the caller.
709
bdeabbd46ec6 Resolve javac and javadoc warnings when compiled with JDK19.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 682
diff changeset
4248 *
bdeabbd46ec6 Resolve javac and javadoc warnings when compiled with JDK19.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 682
diff changeset
4249 * @param query the SQL query to execute
bdeabbd46ec6 Resolve javac and javadoc warnings when compiled with JDK19.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 682
diff changeset
4250 * @return a scrollable ResulSet or null when query failed to be executed
bdeabbd46ec6 Resolve javac and javadoc warnings when compiled with JDK19.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 682
diff changeset
4251 * @throws SQLException if a database access error occurs
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 331
diff changeset
4252 */
370
2ab474af487c Add utility method to replace calls to x.replaceAll().replaceAll() in several places.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 366
diff changeset
4253 private final ResultSet executeMetaDataQuery(final String query) throws SQLException {
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 331
diff changeset
4254 final Statement stmt = con.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_READ_ONLY);
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 331
diff changeset
4255 ResultSet rs = null;
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 331
diff changeset
4256 if (stmt != null) {
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 331
diff changeset
4257 // for debug: System.out.println("SQL (len " + query.length() + "): " + query);
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 331
diff changeset
4258 rs = stmt.executeQuery(query);
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 331
diff changeset
4259 if (rs != null) {
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 331
diff changeset
4260 /* we want the statement object to be closed also when the resultset is closed by the caller */
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 331
diff changeset
4261 stmt.closeOnCompletion();
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 331
diff changeset
4262 } else {
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 331
diff changeset
4263 /* failed to produce a resultset, so release resources for created statement object now */
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 331
diff changeset
4264 stmt.close();
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 331
diff changeset
4265 }
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 331
diff changeset
4266 }
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 331
diff changeset
4267 return rs;
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 331
diff changeset
4268 }
303
a91168efdf27 Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 302
diff changeset
4269
a91168efdf27 Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 302
diff changeset
4270 /**
427
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4271 * Returns a SQL match part string where depending on the input value we compose
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4272 * - an exact string match (using = comparator) or
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4273 * - a match with wildcards (using LIKE comparator) or
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4274 * - when input is missing (using IS NULL comparator)
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4275 *
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4276 * Note that wildcard characters can be escaped by prefix \ (a backslash)
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4277 * When ALL wildcard characters are escaped then we remove the \'s and compose an = comparator string match.
303
a91168efdf27 Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 302
diff changeset
4278 *
a91168efdf27 Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 302
diff changeset
4279 * @param in the string to match
a91168efdf27 Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 302
diff changeset
4280 * @return the SQL match part string
a91168efdf27 Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 302
diff changeset
4281 */
370
2ab474af487c Add utility method to replace calls to x.replaceAll().replaceAll() in several places.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 366
diff changeset
4282 private final String composeMatchPart(final String in) {
303
a91168efdf27 Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 302
diff changeset
4283 if (in == null)
a91168efdf27 Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 302
diff changeset
4284 return "IS NULL";
a91168efdf27 Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 302
diff changeset
4285
680
238d6a3a6469 Improve composeMatchPart(final String in). Prevent parsing pattern when length is 0. Optimise patterns: % or %%.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 670
diff changeset
4286 final int len = in.length();
238d6a3a6469 Improve composeMatchPart(final String in). Prevent parsing pattern when length is 0. Optimise patterns: % or %%.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 670
diff changeset
4287 if (len == 0)
238d6a3a6469 Improve composeMatchPart(final String in). Prevent parsing pattern when length is 0. Optimise patterns: % or %%.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 670
diff changeset
4288 return "= ''";
238d6a3a6469 Improve composeMatchPart(final String in). Prevent parsing pattern when length is 0. Optimise patterns: % or %%.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 670
diff changeset
4289
238d6a3a6469 Improve composeMatchPart(final String in). Prevent parsing pattern when length is 0. Optimise patterns: % or %%.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 670
diff changeset
4290 if (in.equals("%") || in.equals("%%"))
238d6a3a6469 Improve composeMatchPart(final String in). Prevent parsing pattern when length is 0. Optimise patterns: % or %%.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 670
diff changeset
4291 return "LIKE '%'";
238d6a3a6469 Improve composeMatchPart(final String in). Prevent parsing pattern when length is 0. Optimise patterns: % or %%.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 670
diff changeset
4292
427
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4293 // Scan input string for SQL wildcard characters: % and _
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4294 // When they are all prefixed by a backslash then the backslash is removed (to allow usage of = comparator)
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4295 // else it needs to be interpreted as a wildcard and we need to use LIKE instead of = comparator.
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4296 // A backslash can be escaped by using two backslashes.
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4297 final StringBuilder sb = new StringBuilder(len);
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4298 boolean removed_bs = false;
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4299 boolean use_like = false;
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4300 boolean escaped = false;
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4301 try {
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4302 // parse all characters in input to find if the wildcards are escaped by a \.
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4303 // note: the escape character \ can also be escaped, so \\.
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4304 for (int i = 0; i < len; i++) {
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4305 char c = in.charAt(i);
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4306 switch(c) {
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4307 case '\\':
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4308 if (escaped) {
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4309 // copy the 2 backslash characters as in the original string
440
a851e6d6a71a Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 439
diff changeset
4310 sb.append(c).append(c);
a851e6d6a71a Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 439
diff changeset
4311 escaped = false;
a851e6d6a71a Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 439
diff changeset
4312 } else {
a851e6d6a71a Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 439
diff changeset
4313 escaped = true;
a851e6d6a71a Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 439
diff changeset
4314 }
a851e6d6a71a Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 439
diff changeset
4315 break;
427
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4316 case '%':
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4317 case '_':
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4318 if (escaped) {
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4319 removed_bs = true;
440
a851e6d6a71a Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 439
diff changeset
4320 escaped = false;
a851e6d6a71a Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 439
diff changeset
4321 } else {
427
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4322 use_like = true;
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4323 i = len; /* no need to scan further */
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4324 }
440
a851e6d6a71a Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 439
diff changeset
4325 sb.append(c);
a851e6d6a71a Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 439
diff changeset
4326 break;
427
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4327 default:
440
a851e6d6a71a Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 439
diff changeset
4328 if (escaped) {
a851e6d6a71a Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 439
diff changeset
4329 sb.append('\\'); // also copy the preceding escape found before this character
a851e6d6a71a Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 439
diff changeset
4330 escaped = false;
a851e6d6a71a Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 439
diff changeset
4331 }
a851e6d6a71a Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 439
diff changeset
4332 sb.append(c);
a851e6d6a71a Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 439
diff changeset
4333 break;
a851e6d6a71a Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 439
diff changeset
4334 }
427
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4335 }
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4336 } catch (IndexOutOfBoundsException iob) {
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4337 /* ignore */
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4338 }
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4339
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4340 if (use_like) {
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4341 // for debug: System.out.println("input: " + in + " changed into: " + "LIKE " + MonetWrapper.sq(in));
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4342 // we found a non-escaped wildcard character, use like and the original input
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4343 return "LIKE " + MonetWrapper.sq(in);
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4344 }
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4345 if (removed_bs) {
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4346 // for debug: System.out.println("input: " + in + " changed into: " + "= " + MonetWrapper.sq(sb.toString()));
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4347 // we found only escaped wildcard character(s),
680
238d6a3a6469 Improve composeMatchPart(final String in). Prevent parsing pattern when length is 0. Optimise patterns: % or %%.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 670
diff changeset
4348 // use the edited string without the ecapes before the wildcard character(s) so an equals match can be done (which is faster than LIKE)
427
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4349 return "= " + MonetWrapper.sq(sb.toString());
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4350 }
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4351 // for debug: System.out.println("input: " + in + " changed into: " + "= " + MonetWrapper.sq(in));
e79bfbd0553e Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 425
diff changeset
4352 return "= " + MonetWrapper.sq(in);
303
a91168efdf27 Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 302
diff changeset
4353 }
a91168efdf27 Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 302
diff changeset
4354
a91168efdf27 Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 302
diff changeset
4355 //== end helper methods
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4356 }