Mercurial > hg > monetdb-java
annotate src/main/java/org/monetdb/jdbc/MonetDatabaseMetaData.java @ 882:cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
| author | Martin van Dinther <martin.van.dinther@monetdbsolutions.com> |
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| date | Thu, 07 Mar 2024 19:55:44 +0100 (13 months ago) |
| parents | 0e304689c415 |
| children | be8476c1acec |
| rev | line source |
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1 /* |
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2 * SPDX-License-Identifier: MPL-2.0 |
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3 * |
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4 * This Source Code Form is subject to the terms of the Mozilla Public |
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5 * License, v. 2.0. If a copy of the MPL was not distributed with this |
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6 * file, You can obtain one at http://mozilla.org/MPL/2.0/. |
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7 * |
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8 * Copyright 2024 MonetDB Foundation; |
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9 * Copyright August 2008 - 2023 MonetDB B.V.; |
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10 * Copyright 1997 - July 2008 CWI. |
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11 */ |
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12 |
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13 package org.monetdb.jdbc; |
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14 |
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15 import java.sql.Connection; |
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16 import java.sql.DatabaseMetaData; |
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17 import java.sql.Statement; |
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18 import java.sql.SQLException; |
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19 import java.sql.ResultSet; |
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20 import java.sql.ResultSetMetaData; |
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21 import java.sql.RowIdLifetime; |
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22 import java.sql.Types; |
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23 |
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24 /** |
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25 * A DatabaseMetaData object suitable for the MonetDB database. |
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26 * |
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27 * @author Fabian Groffen |
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28 * @author Martin van Dinther |
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29 * @version 1.0 |
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30 */ |
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31 public final class MonetDatabaseMetaData |
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32 extends MonetWrapper |
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33 implements DatabaseMetaData |
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34 { |
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35 private final MonetConnection con; |
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36 |
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37 /** |
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38 * Constructor |
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39 * @param parent the parent MonetConnection object. |
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40 */ |
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41 public MonetDatabaseMetaData(final MonetConnection parent) { |
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42 con = parent; |
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43 } |
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44 |
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45 /** |
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46 * Retrieves whether the current user can call all the procedures |
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47 * returned by the method getProcedures. |
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48 * |
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49 * @return false because we currently return all procedures from sys.functions |
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50 * and do not filter on EXECUTE privilege or procedure ownership. |
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51 */ |
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52 @Override |
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53 public boolean allProceduresAreCallable() { |
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54 return false; |
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55 } |
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56 |
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57 /** |
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58 * Retrieves whether the current user can use all the tables |
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59 * returned by the method getTables in a SELECT statement. |
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60 * |
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61 * @return false because we currently return all tables from sys.tables |
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62 * and do not filter on SELECT privilege or table ownership. |
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63 */ |
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64 @Override |
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65 public boolean allTablesAreSelectable() { |
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66 return false; |
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67 } |
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68 |
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69 /** |
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70 * What is the URL for this database? |
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71 * |
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72 * @return a reconstructed connection string |
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73 * @throws SQLException if a database access error occurs |
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74 */ |
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75 @Override |
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76 public String getURL() throws SQLException { |
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77 return con.getJDBCURL(); |
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78 } |
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79 |
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80 /** |
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81 * What is our user name as known to the database? |
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82 * |
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83 * @return sql user |
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84 * @throws SQLException if a database access error occurs |
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85 */ |
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86 @Override |
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87 public String getUserName() throws SQLException { |
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88 return con.getUserName(); |
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89 } |
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90 |
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91 /** |
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92 * Is the database in read-only mode? |
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93 * |
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94 * @return always false for now |
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95 */ |
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96 @Override |
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97 public boolean isReadOnly() { |
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98 return false; |
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99 } |
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100 |
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101 /** |
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102 * Retrieves whether NULL values are sorted high. Sorted high means |
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103 * that NULL values sort higher than any other value in a domain. |
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104 * In an ascending order, if this method returns true, NULL values will appear at the end. |
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105 * By contrast, the method nullsAreSortedAtEnd indicates whether NULL values are sorted at the end regardless of sort order. |
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106 * |
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107 * @return false because MonetDB shows NULL values at the beginning upon ORDER BY .. ASC, not at the end |
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108 * @see #nullsAreSortedLow() |
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109 */ |
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110 @Override |
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111 public boolean nullsAreSortedHigh() { |
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112 return false; |
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113 } |
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114 |
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115 /** |
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116 * Retrieves whether NULL values are sorted low. Sorted low means |
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117 * that NULL values sort lower than any other value in a domain. |
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118 * In an ascending order, if this method returns true, NULL values will appear at the beginning. |
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119 * By contrast, the method nullsAreSortedAtStart indicates whether NULL values are sorted at the beginning regardless of sort order. |
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120 * |
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121 * @return true because MonetDB shows NULL values at the beginning upon ORDER BY .. ASC |
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122 * @see #nullsAreSortedHigh() |
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123 */ |
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124 @Override |
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125 public boolean nullsAreSortedLow() { |
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126 return true; |
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127 } |
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128 |
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129 /** |
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130 * Are NULL values sorted at the start regardless of sort order? |
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131 * |
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132 * @return false, since MonetDB doesn't do this |
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133 */ |
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134 @Override |
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135 public boolean nullsAreSortedAtStart() { |
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136 return false; |
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137 } |
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138 |
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139 /** |
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140 * Are NULL values sorted at the end regardless of sort order? |
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141 * |
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142 * @return false, since MonetDB doesn't do this |
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143 */ |
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144 @Override |
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145 public boolean nullsAreSortedAtEnd() { |
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146 return false; |
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147 } |
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148 |
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149 /** |
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150 * What is the name of this database product - this should be MonetDB |
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151 * of course, so we return that explicitly. |
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152 * |
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153 * @return the database product name |
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154 */ |
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155 @Override |
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156 public String getDatabaseProductName() { |
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157 return "MonetDB"; |
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158 } |
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159 |
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160 /** |
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161 * What is the version of this database product. |
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162 * |
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163 * @return the mserver5 version number string |
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164 * @throws SQLException if a database access error occurs |
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165 */ |
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166 @Override |
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167 public String getDatabaseProductVersion() throws SQLException { |
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168 return con.getDatabaseProductVersion(); |
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169 } |
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170 |
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171 /** |
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172 * What is the name of this JDBC driver? |
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173 * |
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174 * @return the JDBC driver name |
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175 */ |
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176 @Override |
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177 public String getDriverName() { |
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178 return "MonetDB Native Driver"; |
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179 } |
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180 |
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181 /** |
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182 * Retrieves the version number of this JDBC driver as a String. |
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183 * |
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184 * @return the JDBC driver version string |
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185 */ |
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186 @Override |
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187 public String getDriverVersion() { |
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188 return MonetVersion.driverVersion; |
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189 } |
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190 |
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191 /** |
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192 * What is this JDBC driver's major version number? |
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193 * |
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194 * @return the JDBC driver major version number |
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195 */ |
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196 @Override |
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197 public int getDriverMajorVersion() { |
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198 return MonetVersion.majorVersion; |
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199 } |
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200 |
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201 /** |
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202 * What is this JDBC driver's minor version number? |
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203 * |
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204 * @return the JDBC driver minor version number |
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205 */ |
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206 @Override |
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207 public int getDriverMinorVersion() { |
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208 return MonetVersion.minorVersion; |
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209 } |
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210 |
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211 /** |
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212 * Does the database store tables in a local file? |
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213 * No, it stores them in files on the server. |
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214 * |
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215 * @return false because that's what MonetDB is for |
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216 */ |
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217 @Override |
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218 public boolean usesLocalFiles() { |
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219 return false; |
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220 } |
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221 |
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222 /** |
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223 * Does the database use a local file for each table? |
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224 * |
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225 * @return false for it doesn't |
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226 */ |
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227 @Override |
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228 public boolean usesLocalFilePerTable() { |
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229 return false; |
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230 } |
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231 |
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232 /** |
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233 * Does the database treat mixed case unquoted SQL identifiers |
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234 * as case sensitive and as a result store them in mixed case? |
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235 * A JDBC Compliant <sup>TM</sup> driver always returns false. |
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236 * |
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237 * @return false |
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238 */ |
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239 @Override |
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240 public boolean supportsMixedCaseIdentifiers() { |
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241 return false; |
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242 } |
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243 |
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244 /** |
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245 * Does the database treat mixed case unquoted SQL identifiers as |
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246 * case insensitive and store them in upper case? |
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247 * |
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248 * @return true if so |
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249 */ |
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250 @Override |
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251 public boolean storesUpperCaseIdentifiers() { |
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252 return false; |
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253 } |
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254 |
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255 /** |
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256 * Does the database treat mixed case unquoted SQL identifiers as |
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257 * case insensitive and store them in lower case? |
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258 * |
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259 * @return true if so |
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260 */ |
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261 @Override |
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262 public boolean storesLowerCaseIdentifiers() { |
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263 return true; |
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264 } |
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265 |
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266 /** |
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267 * Does the database treat mixed case unquoted SQL identifiers as |
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268 * case insensitive and store them in mixed case? |
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269 * |
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270 * @return true if so |
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271 */ |
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272 @Override |
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273 public boolean storesMixedCaseIdentifiers() { |
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274 return false; |
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275 } |
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276 |
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277 /** |
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278 * Does the database treat mixed case quoted SQL identifiers as |
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279 * case sensitive and as a result store them in mixed case? |
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280 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
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281 * |
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282 * @return true if so |
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283 */ |
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284 @Override |
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285 public boolean supportsMixedCaseQuotedIdentifiers() { |
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286 return true; |
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287 } |
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288 |
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289 /** |
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290 * Does the database treat mixed case quoted SQL identifiers as |
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291 * case insensitive and store them in upper case? |
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292 * |
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293 * @return true if so |
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294 */ |
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295 @Override |
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296 public boolean storesUpperCaseQuotedIdentifiers() { |
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297 return false; |
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298 } |
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299 |
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300 /** |
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301 * Does the database treat mixed case quoted SQL identifiers as case |
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302 * insensitive and store them in lower case? |
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303 * |
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304 * @return true if so |
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305 */ |
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306 @Override |
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307 public boolean storesLowerCaseQuotedIdentifiers() { |
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308 return false; |
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309 } |
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310 |
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311 /** |
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312 * Does the database treat mixed case quoted SQL identifiers as case |
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313 * insensitive and store them in mixed case? |
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314 * |
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315 * @return true if so |
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316 */ |
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317 @Override |
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318 public boolean storesMixedCaseQuotedIdentifiers() { |
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319 return false; |
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320 } |
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321 |
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322 /** |
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323 * What is the string used to quote SQL identifiers? |
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324 * This returns a space if identifier quoting isn't supported. |
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325 * A JDBC Compliant <sup>TM</sup> driver |
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326 * will always use a double quote character. |
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327 * |
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328 * @return the quoting string |
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329 */ |
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330 @Override |
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331 public String getIdentifierQuoteString() { |
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332 return "\""; |
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333 } |
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334 |
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335 /** |
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336 * Retrieves a comma-separated list of all of this database's |
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337 * SQL keywords that are NOT also SQL:2003 keywords. |
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338 * |
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339 * @return a comma separated list of MonetDB keywords that are not also SQL:2003 keywords |
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340 */ |
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341 @Override |
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342 public String getSQLKeywords() { |
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343 return getConcatenatedStringFromQuery( |
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344 "SELECT \"keyword\" FROM \"sys\".\"keywords\" " + |
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345 // exclude all SQL:2003 keywords |
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346 "WHERE \"keyword\" NOT IN (" + |
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347 "'ABS','ALL','ALLOCATE','ALTER','AND','ANY','ARE','ARRAY','AS'," + |
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348 "'ASENSITIVE','ASYMMETRIC','AT','ATOMIC','AUTHORIZATION','AVG'," + |
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349 "'BEGIN','BETWEEN','BIGINT','BINARY','BLOB','BOOLEAN','BOTH','BY'," + |
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350 "'CALL','CALLED','CARDINALITY','CASCADED','CASE','CAST','CEIL','CEILING'," + |
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351 "'CHAR','CHARACTER','CHARACTER_LENGTH','CHAR_LENGTH','CHECK','CLOB'," + |
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352 "'CLOSE','COALESCE','COLLATE','COLLECT','COLUMN','COMMIT','CONDITION'," + |
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353 "'CONNECT','CONSTRAINT','CONVERT','CORR','CORRESPONDING','COUNT'," + |
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354 "'COVAR_POP','COVAR_SAMP','CREATE','CROSS','CUBE','CUME_DIST','CURRENT','CURRENT_DATE'," + |
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355 "'CURRENT_DEFAULT_TRANSFORM_GROUP','CURRENT_PATH','CURRENT_ROLE','CURRENT_TIME'," + |
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356 "'CURRENT_TIMESTAMP','CURRENT_TRANSFORM_GROUP_FOR_TYPE','CURRENT_USER','CURSOR','CYCLE'," + |
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357 "'DATE','DAY','DEALLOCATE','DEC','DECIMAL','DECLARE','DEFAULT','DELETE','DENSE_RANK','DEREF'," + |
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358 "'DESCRIBE','DETERMINISTIC','DISCONNECT','DISTINCT','DOUBLE','DROP','DYNAMIC'," + |
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359 "'EACH','ELEMENT','ELSE','END','END-EXEC','ESCAPE','EVERY','EXCEPT','EXEC','EXECUTE','EXISTS','EXP','EXTERNAL','EXTRACT'," + |
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360 "'FALSE','FETCH','FILTER','FLOAT','FLOOR','FOR','FOREIGN','FREE','FROM','FULL','FUNCTION','FUSION'," + |
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361 "'GET','GLOBAL','GRANT','GROUP','GROUPING','HAVING','HOLD','HOUR'," + |
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362 "'IDENTITY','IN','INDICATOR','INNER','INOUT','INSENSITIVE','INSERT'," + |
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363 "'INT','INTEGER','INTERSECT','INTERSECTION','INTERVAL','INTO','IS','JOIN'," + |
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364 "'LANGUAGE','LARGE','LATERAL','LEADING','LEFT','LIKE','LN','LOCAL','LOCALTIME','LOCALTIMESTAMP','LOWER'," + |
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365 "'MATCH','MAX','MEMBER','MERGE','METHOD','MIN','MINUTE','MOD','MODIFIES','MODULE','MONTH','MULTISET'," + |
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366 "'NATIONAL','NATURAL','NCHAR','NCLOB','NEW','NO','NONE','NORMALIZE','NOT','NULL','NULLIF','NUMERIC'," + |
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367 "'OCTET_LENGTH','OF','OLD','ON','ONLY','OPEN','OR','ORDER','OUT','OUTER','OVER','OVERLAPS','OVERLAY'," + |
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368 "'PARAMETER','PARTITION','PERCENTILE_CONT','PERCENTILE_DISC','PERCENT_RANK'," + |
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369 "'POSITION','POWER','PRECISION','PREPARE','PRIMARY','PROCEDURE'," + |
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370 "'RANGE','RANK','READS','REAL','RECURSIVE','REF','REFERENCES','REFERENCING'," + |
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371 "'REGR_AVGX','REGR_AVGY','REGR_COUNT','REGR_INTERCEPT','REGR_R2','REGR_SLOPE','REGR_SXX','REGR_SXY','REGR_SYY'," + |
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372 "'RELEASE','RESULT','RETURN','RETURNS','REVOKE','RIGHT','ROLLBACK','ROLLUP','ROW','ROWS','ROW_NUMBER'," + |
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373 "'SAVEPOINT','SCOPE','SCROLL','SEARCH','SECOND','SELECT','SENSITIVE','SESSION_USER','SET'," + |
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374 "'SIMILAR','SMALLINT','SOME','SPECIFIC','SPECIFICTYPE','SQL','SQLEXCEPTION','SQLSTATE','SQLWARNING'," + |
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375 "'SQRT','START','STATIC','STDDEV_POP','STDDEV_SAMP','SUBMULTISET','SUBSTRING','SUM'," + |
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376 "'SYMMETRIC','SYSTEM','SYSTEM_USER'," + |
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377 "'TABLE','TABLESAMPLE','THEN','TIME','TIMESTAMP','TIMEZONE_HOUR','TIMEZONE_MINUTE'," + |
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378 "'TO','TRAILING','TRANSLATE','TRANSLATION','TREAT','TRIGGER','TRIM','TRUE'," + |
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379 "'UESCAPE','UNION','UNIQUE','UNKNOWN','UNNEST','UPDATE','UPPER','USER','USING'," + |
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380 "'VALUE','VALUES','VARCHAR','VARYING','VAR_POP','VAR_SAMP'," + |
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381 "'WHEN','WHENEVER','WHERE','WIDTH_BUCKET','WINDOW','WITH','WITHIN','WITHOUT','YEAR'" + |
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382 ") ORDER BY 1"); |
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383 } |
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384 |
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385 /** |
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386 * Internal utility method getConcatenatedStringFromQuery(String query) |
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387 * @param query the SQL SELECT query. Only the output of the first column is fetched and concatenated. |
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388 * @return a String of query result values concatenated into one string, and values separated by comma's |
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389 */ |
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390 private String getConcatenatedStringFromQuery(final String query) { |
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391 final StringBuilder sb = new StringBuilder(1200); |
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392 Statement st = null; |
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393 ResultSet rs = null; |
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394 try { |
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395 st = con.createStatement(); |
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396 rs = st.executeQuery(query); |
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397 // Fetch the first column output and concatenate the values into a StringBuilder separated by comma's |
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398 boolean isfirst = true; |
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399 while (rs.next()) { |
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400 String value = rs.getString(1); |
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401 if (value != null) { |
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402 if (isfirst) { |
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403 isfirst = false; |
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404 } else { |
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405 sb.append(','); |
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406 } |
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407 sb.append(value); |
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408 } |
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409 } |
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410 } catch (SQLException e) { |
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411 /* ignore */ |
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412 } finally { |
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300
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413 MonetConnection.closeResultsetStatement(rs, st); |
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414 } |
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415 // for debug: System.out.println("SQL (len " + query.length() + "): " + query + "\nResult string(len " + sb.length() + "): " + sb.toString()); |
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416 return sb.toString(); |
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417 } |
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418 |
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419 // SQL query parts shared by four get<Type>Functions() below |
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420 private static final String FunctionsSelect = "SELECT DISTINCT CASE WHEN f.\"language\" > 0 THEN s.\"name\"||'.'||f.\"name\" ELSE f.\"name\" END" + |
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421 " FROM \"sys\".\"functions\" f JOIN \"sys\".\"schemas\" s ON f.\"schema_id\" = s.\"id\" WHERE "; |
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298
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422 private static final String FunctionsWhere = "(f.\"id\" IN (SELECT \"func_id\" FROM \"sys\".\"args\" WHERE \"number\" = 1 AND \"name\" = 'arg_1' AND \"type\" IN "; |
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263
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423 // 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. |
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424 private static final String OrFunctionsMaxMin = " OR f.\"name\" IN ('sql_max','sql_min','least','greatest')"; |
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425 private static final String FunctionsOrderBy1 = " ORDER BY 1"; |
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426 |
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427 @Override |
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428 public String getNumericFunctions() { |
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429 final String match = |
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430 "('tinyint','smallint','int','bigint','hugeint','decimal','double','real'))" + |
|
338
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431 " AND \"type\" = 1" + // only scalar functions |
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432 // exclude functions which do not work or belong to string functions (code(int) and space(int)) |
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433 " AND f.\"name\" NOT IN ('code','not_uniques','rotate_xor_hash','space'))" + |
|
365
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434 // include specific functions which have no arguments (pi()) or are numeric. Actually ms_str is a conversion function from float to str. |
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435 " OR f.\"name\" IN ('alpha','degrees','fuse','ms_round','ms_str','ms_trunc','pi','radians')"; |
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436 return getConcatenatedStringFromQuery(FunctionsSelect + FunctionsWhere + match + OrFunctionsMaxMin + FunctionsOrderBy1); |
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437 } |
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438 |
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439 @Override |
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440 public String getStringFunctions() { |
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441 final String match = |
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442 "('char','varchar','clob','json','url'))" + |
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443 " AND \"type\" = 1" + // only scalar functions |
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444 // exclude sql functions: get_value_for, next_value_for, restart |
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445 " AND \"mod\" <> 'sql')" + |
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446 // include specific functions code(int) and space(int) which belong to the 'str' module |
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447 // include functions (difference, editdistance, editdistance2, levenshtein, qgramnormalize, similarity, soundex) which since Jun2023 are in the 'txtsim' module |
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448 " OR (\"mod\" IN ('str','txtsim') AND \"type\" = 1)" + |
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449 // include 3 specific json functions and md5(), ms_stuff() and udf reverse() which all accept a string arg |
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450 " OR f.\"name\" IN ('isarray','isobject','isvalid','md5','ms_stuff','reverse')"; |
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451 final String unionPart = |
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452 // add functions which are not listed in sys.functions but implemented in the SQL parser (see sql/server/sql_parser.y) |
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268
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453 " UNION SELECT 'position'"; |
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454 return getConcatenatedStringFromQuery(FunctionsSelect + FunctionsWhere + match + OrFunctionsMaxMin + unionPart + FunctionsOrderBy1); |
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455 } |
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456 |
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457 @Override |
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458 public String getSystemFunctions() { |
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459 final String wherePart = |
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460 "f.\"name\" IN ('columnsize','current_sessionid','database','debug'" + |
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461 ",'get_value_for','greatest','hash','hashsize','heapsize'" + |
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462 ",'ifthenelse','imprintsize','isaurl','isauuid','isnull','least'" + |
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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463 ",'masterclock','mastertick'" + // wlc/wlr functions |
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464 ",'newurl','next_value_for','password_hash'" + |
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465 ",'replicaclock','replicatick'" + // wlc/wlr functions |
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466 ",'sql_max','sql_min','uuid')"; |
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467 String unionPart = |
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468 // add functions which are not listed in sys.functions but implemented in the SQL parser (see sql/server/sql_parser.y) |
|
781
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469 " UNION SELECT * FROM (VALUES('cast'),('coalesce'),('convert'),('ifnull'),('nullif')) as sf"; |
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470 try { |
|
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471 // from release 11.47.1 we support function: ifnull, but only with odbc escape notation, so {fn ifnull(null, 2)}. See issue: 6933. |
|
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472 // from release 11.49.1 we support function: ifnull also without odbc escape notation. |
|
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473 if ((con.getDatabaseMajorVersion() == 11) && (con.getDatabaseMinorVersion() <= 45)) |
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|
474 // release 11.45 (Sep2022) or older did not support function: ifnull. |
|
71d32f1a4d60
Improved DatabaseMetaData.getSystemFunctions(). It now also returns functions: current_sessionid, greatest, ifnull, least, sql_max, sql_min. Function ifnull will only be returned for servers Jun2023 (11.47 or higher).
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|
475 unionPart = unionPart.replace(",('ifnull')", ""); |
|
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Improved DatabaseMetaData.getSystemFunctions(). It now also returns functions: current_sessionid, greatest, ifnull, least, sql_max, sql_min. Function ifnull will only be returned for servers Jun2023 (11.47 or higher).
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476 } catch (SQLException e) { /* ignore */ } |
|
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Improved DatabaseMetaData.getSystemFunctions(). It now also returns functions: current_sessionid, greatest, ifnull, least, sql_max, sql_min. Function ifnull will only be returned for servers Jun2023 (11.47 or higher).
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477 return getConcatenatedStringFromQuery(FunctionsSelect + wherePart + unionPart + FunctionsOrderBy1); |
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478 } |
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479 |
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480 @Override |
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481 public String getTimeDateFunctions() { |
|
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482 final String wherePart = |
|
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483 "\"mod\" IN ('mtime','timestamp')" + |
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484 // include Date/Time functions which are located in 'str' module |
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485 " OR f.\"name\" IN ('localtime','localtimestamp','date_trunc')"; |
|
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486 final String unionPart = |
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487 // add time date functions which are not listed in sys.functions but implemented in the SQL parser (see sql/server/sql_parser.y) |
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488 " UNION SELECT 'extract'" + |
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489 " UNION SELECT 'now'"; |
|
734
e0caafa2d814
Extend getSystemFunctions() to also report system functions database() and ifnull() if they exist in sys.functions and can be called without odbc escape sequences.
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|
490 // ToDo: from release 11.47.1 we also support functions: dayname and monthname, but only with odbc escape notation, so {fn dayname(current_date)}. Related issue: 7300. |
|
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491 return getConcatenatedStringFromQuery(FunctionsSelect + wherePart + OrFunctionsMaxMin + unionPart + FunctionsOrderBy1); |
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492 } |
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493 |
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494 /** |
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495 * This is the string that can be used to escape '_' and '%' in |
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496 * a search string pattern style catalog search parameters |
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497 * |
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498 * @return the string used to escape wildcard characters |
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499 */ |
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500 @Override |
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501 public String getSearchStringEscape() { |
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502 return "\\"; |
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503 } |
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504 |
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505 /** |
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506 * Get all the "extra" characters that can be used in unquoted |
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507 * identifier names (those beyond a-zA-Z0-9 and _) |
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508 * |
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509 * @return a string containing the extra characters |
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510 */ |
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511 @Override |
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512 public String getExtraNameCharacters() { |
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194
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513 // MonetDB has no extra characters. Verified it for chars: !@#$%^&*()~{}[]? |
|
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514 return ""; |
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515 } |
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516 |
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517 /** |
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518 * Is "ALTER TABLE" with an add column supported? |
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519 * |
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520 * @return true if so |
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521 */ |
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522 @Override |
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523 public boolean supportsAlterTableWithAddColumn() { |
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524 return true; |
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525 } |
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526 |
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527 /** |
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528 * Is "ALTER TABLE" with a drop column supported? |
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529 * |
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530 * @return true if so |
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531 */ |
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532 @Override |
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533 public boolean supportsAlterTableWithDropColumn() { |
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534 return true; |
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535 } |
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536 |
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537 /** |
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538 * Is column aliasing supported? |
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539 * |
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540 * <p>If so, the SQL AS clause can be used to provide names for |
|
213
115f6351bf4b
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541 * computed columns or to provide alias names for columns as required. |
|
231
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542 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
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543 * |
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544 * <p>e.g. |
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545 * |
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546 * <br><pre> |
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547 * select count(C) as C_COUNT from T group by C; |
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548 * |
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549 * </pre><br> |
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550 * should return a column named as C_COUNT instead of count(C) |
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551 * |
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552 * @return true if so |
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553 */ |
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554 @Override |
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555 public boolean supportsColumnAliasing() { |
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556 return true; |
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557 } |
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558 |
|
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|
559 /** |
|
213
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|
560 * Are concatenations between NULL and non-NULL values NULL? |
|
231
68b9452f1215
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561 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
0
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562 * |
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563 * @return true if so |
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|
564 */ |
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|
565 @Override |
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|
566 public boolean nullPlusNonNullIsNull() { |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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567 return true; |
|
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|
568 } |
|
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|
569 |
|
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|
570 /** |
|
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|
571 * Retrieves whether this database supports the JDBC scalar function |
|
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|
572 * CONVERT for the conversion of one JDBC type to another. |
|
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573 * The JDBC types are the generic SQL data types defined in java.sql.Types. |
|
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574 * |
|
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|
575 * @return true if so; false otherwise |
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|
576 */ |
|
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|
577 @Override |
|
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|
578 public boolean supportsConvert() { |
|
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579 return true; |
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580 } |
|
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|
581 |
|
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|
582 /** |
|
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|
583 * Retrieves whether this database supports the JDBC scalar function |
|
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|
584 * CONVERT for conversions between the JDBC types fromType and toType. |
|
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585 * The JDBC types are the generic SQL data types defined in java.sql.Types. |
|
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|
586 * |
|
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|
587 * @return true if so; false otherwise |
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|
588 */ |
|
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|
589 @Override |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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|
590 public boolean supportsConvert(final int fromType, final int toType) { |
|
0
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|
591 switch (fromType) { |
|
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|
592 case Types.BOOLEAN: |
|
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|
593 switch (toType) { |
|
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|
594 case Types.BOOLEAN: |
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|
595 /* case Types.BIT: is not supported by MonetDB and will fail */ |
|
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|
596 case Types.TINYINT: |
|
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|
597 case Types.SMALLINT: |
|
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|
598 case Types.INTEGER: |
|
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|
599 case Types.BIGINT: |
|
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|
600 /* conversion to FLOAT, REAL, DOUBLE, NUMERIC and DECIMAL is not supported by MonetDB */ |
|
a5a898f6886c
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changeset
|
601 case Types.CHAR: |
|
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|
602 case Types.VARCHAR: |
|
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|
603 /* case Types.LONGVARCHAR: is not supported by MonetDB and will fail */ |
|
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|
604 case Types.CLOB: |
|
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|
605 return true; |
|
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changeset
|
606 } |
|
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|
607 // conversion to all other types is not supported |
|
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|
608 return false; |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
609 /* case Types.BIT: is not supported by MonetDB and will fail */ |
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610 /* case Types.BINARY: is not supported by MonetDB and will fail */ |
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611 /* case Types.VARBINARY: is not supported by MonetDB and will fail */ |
|
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612 /* case Types.LONGVARBINARY: is not supported by MonetDB and will fail */ |
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613 case Types.BLOB: |
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|
614 switch (toType) { |
|
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|
615 /* case Types.BINARY: is not supported by MonetDB and will fail */ |
|
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|
616 /* case Types.VARBINARY: is not supported by MonetDB and will fail */ |
|
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|
617 /* case Types.LONGVARBINARY: is not supported by MonetDB and will fail */ |
|
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|
618 case Types.BLOB: |
|
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|
619 case Types.VARCHAR: |
|
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|
620 /* case Types.LONGVARCHAR: is not supported by MonetDB and will fail */ |
|
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|
621 case Types.CLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
622 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
623 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
624 // conversion to all other types is not supported |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
625 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
626 case Types.TINYINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
627 case Types.SMALLINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
628 case Types.INTEGER: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
629 case Types.BIGINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
630 case Types.FLOAT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
631 case Types.REAL: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
632 case Types.DOUBLE: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
633 case Types.NUMERIC: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
634 case Types.DECIMAL: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
635 switch (toType) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
636 case Types.BOOLEAN: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
637 /* 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
|
638 case Types.TINYINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
639 case Types.SMALLINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
640 case Types.INTEGER: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
641 case Types.BIGINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
642 case Types.FLOAT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
643 case Types.REAL: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
644 case Types.DOUBLE: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
645 case Types.NUMERIC: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
646 case Types.DECIMAL: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
647 case Types.CHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
648 case Types.VARCHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
649 /* 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
|
650 case Types.CLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
651 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
652 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
653 // conversion to all other types is not supported |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
654 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
655 case Types.CHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
656 case Types.VARCHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
657 /* 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
|
658 case Types.CLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
659 switch (toType) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
660 case Types.BOOLEAN: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
661 /* 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
|
662 case Types.TINYINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
663 case Types.SMALLINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
664 case Types.INTEGER: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
665 case Types.BIGINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
666 case Types.FLOAT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
667 case Types.REAL: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
668 case Types.DOUBLE: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
669 case Types.NUMERIC: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
670 case Types.DECIMAL: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
671 case Types.CHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
672 case Types.VARCHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
673 /* 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
|
674 case Types.CLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
675 case Types.BLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
676 case Types.DATE: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
677 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
|
678 case Types.TIME_WITH_TIMEZONE: |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
679 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
|
680 case Types.TIMESTAMP_WITH_TIMEZONE: |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
681 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
682 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
683 // conversion to all other types is not supported |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
684 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
685 case Types.DATE: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
686 switch (toType) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
687 case Types.CHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
688 case Types.VARCHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
689 /* 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
|
690 case Types.CLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
691 case Types.DATE: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
692 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
|
693 case Types.TIMESTAMP_WITH_TIMEZONE: |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
694 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
695 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
696 // conversion to all other types is not supported |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
697 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
698 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
|
699 case Types.TIME_WITH_TIMEZONE: |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
700 switch (toType) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
701 case Types.CHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
702 case Types.VARCHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
703 /* 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
|
704 case Types.CLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
705 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
|
706 case Types.TIME_WITH_TIMEZONE: |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
707 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
708 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
709 // conversion to all other types is not supported |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
710 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
711 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
|
712 case Types.TIMESTAMP_WITH_TIMEZONE: |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
713 switch (toType) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
714 case Types.CHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
715 case Types.VARCHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
716 /* 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
|
717 case Types.CLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
718 case Types.DATE: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
719 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
|
720 case Types.TIME_WITH_TIMEZONE: |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
721 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
|
722 case Types.TIMESTAMP_WITH_TIMEZONE: |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
723 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
724 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
725 // conversion to all other types is not supported |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
726 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
727 } |
|
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 // 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
|
730 return false; |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
731 } |
|
a5a898f6886c
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parents:
diff
changeset
|
732 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
733 /** |
|
213
115f6351bf4b
Update some documentation text
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
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diff
changeset
|
734 * Are table correlation names supported? |
|
231
68b9452f1215
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|
735 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
0
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
736 * |
|
a5a898f6886c
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changeset
|
737 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
738 */ |
|
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parents:
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changeset
|
739 @Override |
|
a5a898f6886c
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changeset
|
740 public boolean supportsTableCorrelationNames() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
741 return true; |
|
a5a898f6886c
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|
742 } |
|
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changeset
|
743 |
|
a5a898f6886c
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parents:
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|
744 /** |
|
a5a898f6886c
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|
745 * If table correlation names are supported, are they restricted to |
|
a5a898f6886c
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|
746 * be different from the names of the tables? |
|
a5a898f6886c
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|
747 * |
|
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|
748 * @return true if so; false otherwise |
|
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|
749 */ |
|
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parents:
diff
changeset
|
750 @Override |
|
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changeset
|
751 public boolean supportsDifferentTableCorrelationNames() { |
|
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changeset
|
752 return false; |
|
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parents:
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changeset
|
753 } |
|
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parents:
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|
754 |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
755 /** |
|
a5a898f6886c
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changeset
|
756 * Are expressions in "ORDER BY" lists supported? |
|
a5a898f6886c
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|
757 * e.g. select * from t order by a + b; |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
758 * |
|
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changeset
|
759 * MonetDB supports this, try: |
|
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changeset
|
760 * select (radix * 1000) + digits as comp, * from types order by (radix * 1000) + digits, -id; |
|
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|
761 * |
|
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changeset
|
762 * @return true if so |
|
a5a898f6886c
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changeset
|
763 */ |
|
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parents:
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changeset
|
764 @Override |
|
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|
765 public boolean supportsExpressionsInOrderBy() { |
|
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parents:
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changeset
|
766 return true; |
|
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|
767 } |
|
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|
768 |
|
a5a898f6886c
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|
769 /** |
|
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|
770 * Can an "ORDER BY" clause use columns not in the SELECT? |
|
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changeset
|
771 * MonetDB differs from SQL03 => true |
|
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changeset
|
772 * |
|
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|
773 * @return true if so |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
774 */ |
|
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changeset
|
775 @Override |
|
a5a898f6886c
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|
776 public boolean supportsOrderByUnrelated() { |
|
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parents:
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|
777 return true; |
|
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|
778 } |
|
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|
779 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
780 /** |
|
a5a898f6886c
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changeset
|
781 * Is some form of "GROUP BY" clause supported? |
|
a5a898f6886c
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changeset
|
782 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
783 * @return true since MonetDB supports it |
|
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changeset
|
784 */ |
|
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changeset
|
785 @Override |
|
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changeset
|
786 public boolean supportsGroupBy() { |
|
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changeset
|
787 return true; |
|
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Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
788 } |
|
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changeset
|
789 |
|
a5a898f6886c
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changeset
|
790 /** |
|
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changeset
|
791 * Can a "GROUP BY" clause use columns not in the SELECT? |
|
a5a898f6886c
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changeset
|
792 * |
|
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|
793 * @return true since that also is supported |
|
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|
794 */ |
|
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changeset
|
795 @Override |
|
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changeset
|
796 public boolean supportsGroupByUnrelated() { |
|
a5a898f6886c
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changeset
|
797 return true; |
|
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changeset
|
798 } |
|
a5a898f6886c
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|
799 |
|
a5a898f6886c
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|
800 /** |
|
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parents:
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changeset
|
801 * Can a "GROUP BY" clause add columns not in the SELECT provided |
|
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changeset
|
802 * it specifies all the columns in the SELECT? |
|
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changeset
|
803 * |
|
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changeset
|
804 * (MonetDB already supports the more difficult supportsGroupByUnrelated(), |
|
a5a898f6886c
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parents:
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changeset
|
805 * so this is a piece of cake) |
|
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parents:
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|
806 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
807 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
808 */ |
|
a5a898f6886c
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parents:
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changeset
|
809 @Override |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
810 public boolean supportsGroupByBeyondSelect() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
811 return true; |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
812 } |
|
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parents:
diff
changeset
|
813 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
814 /** |
|
213
115f6351bf4b
Update some documentation text
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parents:
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diff
changeset
|
815 * Is the escape character in "LIKE" clauses supported? |
|
231
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|
816 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
0
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
817 * |
|
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Sjoerd Mullender <sjoerd@acm.org>
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|
818 * @return true if so |
|
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|
819 */ |
|
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parents:
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changeset
|
820 @Override |
|
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changeset
|
821 public boolean supportsLikeEscapeClause() { |
|
a5a898f6886c
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changeset
|
822 return true; |
|
a5a898f6886c
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|
823 } |
|
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changeset
|
824 |
|
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changeset
|
825 /** |
|
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|
826 * Are multiple ResultSets from a single execute supported? |
|
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changeset
|
827 * |
|
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|
828 * @return true if so |
|
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changeset
|
829 */ |
|
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parents:
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changeset
|
830 @Override |
|
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changeset
|
831 public boolean supportsMultipleResultSets() { |
|
a5a898f6886c
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changeset
|
832 return true; |
|
a5a898f6886c
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changeset
|
833 } |
|
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parents:
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changeset
|
834 |
|
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parents:
diff
changeset
|
835 /** |
|
a5a898f6886c
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changeset
|
836 * Can we have multiple transactions open at once (on different |
|
a5a898f6886c
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changeset
|
837 * connections?) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
838 * This is the main idea behind the Connection, is it? |
|
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parents:
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changeset
|
839 * |
|
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
840 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
841 */ |
|
a5a898f6886c
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parents:
diff
changeset
|
842 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
843 public boolean supportsMultipleTransactions() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
844 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
845 } |
|
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|
846 |
|
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|
847 /** |
|
213
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|
848 * Can columns be defined as non-nullable. |
|
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849 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
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|
850 * |
|
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|
851 * @return true if so |
|
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|
852 */ |
|
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|
853 @Override |
|
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|
854 public boolean supportsNonNullableColumns() { |
|
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|
855 return true; |
|
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|
856 } |
|
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|
857 |
|
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|
858 /** |
|
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|
859 * Does this driver support the minimum ODBC SQL grammar. This |
|
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|
860 * grammar is defined at: |
|
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|
861 * |
|
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862 * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/odbc/htm/odappcpr.asp |
|
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|
863 * From this description, we seem to support the ODBC minimal (Level 0) grammar. |
|
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864 * |
|
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|
865 * @return true if so |
|
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|
866 */ |
|
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|
867 @Override |
|
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|
868 public boolean supportsMinimumSQLGrammar() { |
|
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|
869 return true; |
|
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|
870 } |
|
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|
871 |
|
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|
872 /** |
|
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|
873 * Does this driver support the Core ODBC SQL grammar. We need |
|
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|
874 * SQL-92 conformance for this. |
|
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|
875 * |
|
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|
876 * @return true if so |
|
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|
877 */ |
|
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|
878 @Override |
|
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|
879 public boolean supportsCoreSQLGrammar() { |
|
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|
880 return true; |
|
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|
881 } |
|
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|
882 |
|
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|
883 /** |
|
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|
884 * Does this driver support the Extended (Level 2) ODBC SQL |
|
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|
885 * grammar. We don't conform to the Core (Level 1), so we can't |
|
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|
886 * conform to the Extended SQL Grammar. |
|
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|
887 * |
|
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|
888 * @return true if so |
|
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|
889 */ |
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changeset
|
890 @Override |
|
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|
891 public boolean supportsExtendedSQLGrammar() { |
|
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|
892 return false; |
|
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|
893 } |
|
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|
894 |
|
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|
895 /** |
|
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|
896 * Does this driver support the ANSI-92 entry level SQL grammar? |
|
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|
897 * All JDBC Compliant <sup>TM</sup> drivers must return true. |
|
0
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|
898 * |
|
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|
899 * @return true if so |
|
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|
900 */ |
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|
901 @Override |
|
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|
902 public boolean supportsANSI92EntryLevelSQL() { |
|
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|
903 return true; |
|
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|
904 } |
|
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|
905 |
|
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|
906 /** |
|
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|
907 * Does this driver support the ANSI-92 intermediate level SQL |
|
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|
908 * grammar? |
|
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|
909 * probably not |
|
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|
910 * |
|
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|
911 * @return true if so |
|
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|
912 */ |
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|
913 @Override |
|
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|
914 public boolean supportsANSI92IntermediateSQL() { |
|
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|
915 return false; |
|
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|
916 } |
|
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|
917 |
|
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|
918 /** |
|
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|
919 * Does this driver support the ANSI-92 full SQL grammar? |
|
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|
920 * Would be good if it was like that |
|
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|
921 * |
|
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|
922 * @return true if so |
|
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|
923 */ |
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|
924 @Override |
|
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|
925 public boolean supportsANSI92FullSQL() { |
|
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|
926 return false; |
|
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|
927 } |
|
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|
928 |
|
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|
929 /** |
|
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|
930 * Is the SQL Integrity Enhancement Facility supported? |
|
267
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|
931 * |
|
43ea6c50483e
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|
932 * The SQL Integrity Enhancement facility offers additional tools for referential integrity, |
|
43ea6c50483e
Correct return value for supportsIntegrityEnhancementFacility()
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|
933 * CHECK constraint clauses, and DEFAULT clauses. Referential integrity allows specification of |
|
43ea6c50483e
Correct return value for supportsIntegrityEnhancementFacility()
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|
934 * primary and foreign keys with the requirement that no foreign key row may be inserted or |
|
43ea6c50483e
Correct return value for supportsIntegrityEnhancementFacility()
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|
935 * updated unless a matching primary key row exists. Check clauses allow specification of |
|
43ea6c50483e
Correct return value for supportsIntegrityEnhancementFacility()
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|
936 * 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.
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300
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|
937 * Default clauses provide optional default values for missing data. |
|
267
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|
938 * |
|
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|
939 * We currently do not supprt CHECK constraints (see bug 3568) nor deferrable FK constraints. |
|
0
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|
940 * |
|
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|
941 * @return true if so |
|
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942 */ |
|
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|
943 @Override |
|
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|
944 public boolean supportsIntegrityEnhancementFacility() { |
|
267
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changeset
|
945 return false; |
|
0
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changeset
|
946 } |
|
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|
947 |
|
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|
948 /** |
|
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|
949 * Is some form of outer join supported? |
|
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|
950 * |
|
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|
951 * @return true if so |
|
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|
952 */ |
|
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|
953 @Override |
|
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changeset
|
954 public boolean supportsOuterJoins(){ |
|
a5a898f6886c
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changeset
|
955 return true; |
|
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changeset
|
956 } |
|
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changeset
|
957 |
|
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changeset
|
958 /** |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
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|
959 * Are full nested outer joins supported? |
|
0
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|
960 * |
|
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|
961 * @return true if so |
|
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|
962 */ |
|
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|
963 @Override |
|
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|
964 public boolean supportsFullOuterJoins() { |
|
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|
965 return true; |
|
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|
966 } |
|
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|
967 |
|
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|
968 /** |
|
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|
969 * Is there limited support for outer joins? |
|
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970 * |
|
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|
971 * @return true if so |
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972 */ |
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|
973 @Override |
|
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|
974 public boolean supportsLimitedOuterJoins() { |
|
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|
975 return false; |
|
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|
976 } |
|
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977 |
|
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|
978 /** |
|
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|
979 * What is the database vendor's preferred term for "schema"? |
|
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|
980 * MonetDB uses the term "schema". |
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981 * |
|
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|
982 * @return the vendor term |
|
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|
983 */ |
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|
984 @Override |
|
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|
985 public String getSchemaTerm() { |
|
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|
986 return "schema"; |
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987 } |
|
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|
988 |
|
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|
989 /** |
|
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|
990 * What is the database vendor's preferred term for "procedure"? |
|
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|
991 * |
|
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|
992 * @return the vendor term |
|
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|
993 */ |
|
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|
994 @Override |
|
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|
995 public String getProcedureTerm() { |
|
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|
996 return "procedure"; |
|
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|
997 } |
|
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|
998 |
|
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|
999 /** |
|
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|
1000 * What is the database vendor's preferred term for "catalog"? |
|
356
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diff
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|
1001 * |
|
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|
1002 * MonetDB doesn't support the SQL catalog naming concept. |
|
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|
1003 * Only SQL schemas are supported. |
|
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|
1004 * We also do not allow the name of a database to be included in |
|
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|
1005 * a fully qualified name, so we shouldn't return "database" here. |
|
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|
1006 * A database is a different concept than an SQL catalog. |
|
0
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1007 * |
|
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|
1008 * @return the vendor term |
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1009 */ |
|
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1010 @Override |
|
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|
1011 public String getCatalogTerm() { |
|
356
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|
1012 // MonetDB does NOT support catalogs, so also no catalog term |
|
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|
1013 // Some generic SQL clients (e.g. DbVisualiser) use this string in their GUI |
|
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|
1014 // To avoid NPE, just return an abrev string: "cat" (we like cats) |
|
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|
1015 return "cat"; |
|
0
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1016 } |
|
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|
1017 |
|
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|
1018 /** |
|
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|
1019 * Does a catalog appear at the start of a qualified table name? |
|
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|
1020 * (Otherwise it appears at the end). |
|
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|
1021 * Currently there is no catalog support at all in MonetDB |
|
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1022 * |
|
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1023 * @return true if so |
|
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1024 */ |
|
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|
1025 @Override |
|
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|
1026 public boolean isCatalogAtStart() { |
|
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|
1027 // return true here; we return false for every other catalog function |
|
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|
1028 // so it won't matter what we return here |
|
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|
1029 return true; |
|
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|
1030 } |
|
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|
1031 |
|
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|
1032 /** |
|
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|
1033 * What is the Catalog separator. |
|
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1034 * |
|
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1035 * @return the catalog separator string |
|
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|
1036 */ |
|
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|
1037 @Override |
|
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|
1038 public String getCatalogSeparator() { |
|
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|
1039 // MonetDB does NOT support catalogs, so also no catalog separator |
|
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|
1040 return null; |
|
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|
1041 } |
|
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|
1042 |
|
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|
1043 /** |
|
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|
1044 * Can a schema name be used in a data manipulation statement? |
|
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|
1045 * |
|
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|
1046 * @return true if so |
|
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|
1047 */ |
|
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|
1048 @Override |
|
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|
1049 public boolean supportsSchemasInDataManipulation() { |
|
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|
1050 return true; |
|
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|
1051 } |
|
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|
1052 |
|
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|
1053 /** |
|
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|
1054 * Can a schema name be used in a procedure call statement? |
|
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|
1055 * Ohw probably, but I don't know of procedures in MonetDB |
|
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|
1056 * |
|
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|
1057 * @return true if so |
|
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|
1058 */ |
|
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|
1059 @Override |
|
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|
1060 public boolean supportsSchemasInProcedureCalls() { |
|
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changeset
|
1061 return true; |
|
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|
1062 } |
|
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|
1063 |
|
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|
1064 /** |
|
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|
1065 * Can a schema be used in a table definition statement? |
|
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|
1066 * |
|
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|
1067 * @return true if so |
|
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|
1068 */ |
|
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|
1069 @Override |
|
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changeset
|
1070 public boolean supportsSchemasInTableDefinitions() { |
|
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changeset
|
1071 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1072 } |
|
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 * 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
|
1076 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1077 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1078 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1079 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1080 public boolean supportsSchemasInIndexDefinitions() { |
|
294
894abb249de1
Corrected 3 MonetDatabaseMetaData methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
286
diff
changeset
|
1081 // 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
|
1082 // 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
|
1083 return false; |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1084 } |
|
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 * 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
|
1088 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1089 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1090 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1091 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1092 public boolean supportsSchemasInPrivilegeDefinitions() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1093 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1094 } |
|
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 * 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
|
1098 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1099 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1100 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1101 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1102 public boolean supportsCatalogsInDataManipulation() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1103 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1104 } |
|
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 * 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
|
1108 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1109 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1110 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1111 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1112 public boolean supportsCatalogsInProcedureCalls() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1113 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1114 } |
|
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 * 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
|
1118 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1119 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1120 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1121 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1122 public boolean supportsCatalogsInTableDefinitions() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1123 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1124 } |
|
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 * 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
|
1128 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1129 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1130 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1131 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1132 public boolean supportsCatalogsInIndexDefinitions() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1133 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1134 } |
|
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 * 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
|
1138 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1139 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1140 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1141 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1142 public boolean supportsCatalogsInPrivilegeDefinitions() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1143 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1144 } |
|
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 * MonetDB doesn't support positioned DELETEs I guess |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1148 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1149 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1150 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1151 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1152 public boolean supportsPositionedDelete() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1153 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1154 } |
|
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 * Is positioned UPDATE supported? (same as above) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1158 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1159 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1160 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1161 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1162 public boolean supportsPositionedUpdate() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1163 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1164 } |
|
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 * Is SELECT FOR UPDATE supported? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1168 * My test resulted in a negative answer |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1169 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1170 * @return true if so; false otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1171 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1172 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1173 public boolean supportsSelectForUpdate(){ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1174 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1175 } |
|
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 * 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
|
1179 * syntax supported? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1180 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1181 * @return true if so; false otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1182 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1183 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1184 public boolean supportsStoredProcedures() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1185 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1186 } |
|
a5a898f6886c
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|
1187 |
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1188 /** |
|
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1189 * Are subqueries in comparison expressions supported? |
|
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1190 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
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1191 * MonetDB also supports this |
|
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1192 * |
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|
1193 * @return true if so; false otherwise |
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1194 */ |
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|
1195 @Override |
|
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|
1196 public boolean supportsSubqueriesInComparisons() { |
|
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1197 return true; |
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1198 } |
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1199 |
|
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1200 /** |
|
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1201 * Are subqueries in 'exists' expressions supported? |
|
231
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1202 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
0
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|
1203 * |
|
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|
1204 * @return true if so; false otherwise |
|
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|
1205 */ |
|
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|
1206 @Override |
|
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|
1207 public boolean supportsSubqueriesInExists() { |
|
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1208 return true; |
|
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1209 } |
|
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|
1210 |
|
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|
1211 /** |
|
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1212 * Are subqueries in 'in' statements supported? |
|
231
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1213 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
0
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|
1214 * |
|
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|
1215 * @return true if so; false otherwise |
|
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|
1216 */ |
|
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|
1217 @Override |
|
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|
1218 public boolean supportsSubqueriesInIns() { |
|
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|
1219 return true; |
|
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1220 } |
|
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|
1221 |
|
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|
1222 /** |
|
213
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|
1223 * Are subqueries in quantified expressions supported? |
|
231
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|
1224 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
0
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|
1225 * |
|
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|
1226 * (No idea what this is, but we support a good deal of |
|
a5a898f6886c
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|
1227 * subquerying.) |
|
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|
1228 * |
|
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|
1229 * @return true if so; false otherwise |
|
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|
1230 */ |
|
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|
1231 @Override |
|
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|
1232 public boolean supportsSubqueriesInQuantifieds() { |
|
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|
1233 return true; |
|
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|
1234 } |
|
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|
1235 |
|
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|
1236 /** |
|
213
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|
1237 * Are correlated subqueries supported? |
|
231
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|
1238 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
0
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|
1239 * |
|
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|
1240 * (a.k.a. subselect in from?) |
|
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|
1241 * |
|
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|
1242 * @return true if so; false otherwise |
|
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|
1243 */ |
|
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changeset
|
1244 @Override |
|
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|
1245 public boolean supportsCorrelatedSubqueries() { |
|
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|
1246 return true; |
|
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|
1247 } |
|
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|
1248 |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
1249 /** |
|
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changeset
|
1250 * Is SQL UNION supported? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
1251 * since 2004-03-20 |
|
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|
1252 * |
|
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|
1253 * @return true if so |
|
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|
1254 */ |
|
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|
1255 @Override |
|
a5a898f6886c
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changeset
|
1256 public boolean supportsUnion() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
1257 return true; |
|
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Sjoerd Mullender <sjoerd@acm.org>
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|
1258 } |
|
a5a898f6886c
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changeset
|
1259 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
1260 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
1261 * Is SQL UNION ALL supported? |
|
a5a898f6886c
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|
1262 * since 2004-03-20 |
|
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|
1263 * |
|
a5a898f6886c
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|
1264 * @return true if so |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
1265 */ |
|
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|
1266 @Override |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
1267 public boolean supportsUnionAll() { |
|
a5a898f6886c
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|
1268 return true; |
|
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|
1269 } |
|
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|
1270 |
|
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|
1271 /** |
|
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|
1272 * ResultSet objects (cursors) are not closed upon explicit or |
|
a5a898f6886c
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|
1273 * implicit commit. |
|
a5a898f6886c
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|
1274 * |
|
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|
1275 * @return true if so |
|
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|
1276 */ |
|
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|
1277 @Override |
|
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|
1278 public boolean supportsOpenCursorsAcrossCommit() { |
|
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|
1279 return true; |
|
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|
1280 } |
|
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|
1281 |
|
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|
1282 /** |
|
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|
1283 * Same as above |
|
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|
1284 * |
|
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|
1285 * @return true if so |
|
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|
1286 */ |
|
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changeset
|
1287 @Override |
|
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changeset
|
1288 public boolean supportsOpenCursorsAcrossRollback() { |
|
a5a898f6886c
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changeset
|
1289 return true; |
|
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|
1290 } |
|
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|
1291 |
|
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changeset
|
1292 /** |
|
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changeset
|
1293 * Can statements remain open across commits? They may, but |
|
a5a898f6886c
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diff
changeset
|
1294 * this driver cannot guarentee that. In further reflection. |
|
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|
1295 * we are taking a Statement object here, so the answer is |
|
a5a898f6886c
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changeset
|
1296 * yes, since the Statement is only a vehicle to execute some SQL |
|
a5a898f6886c
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parents:
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changeset
|
1297 * |
|
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changeset
|
1298 * @return true if they always remain open; false otherwise |
|
a5a898f6886c
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|
1299 */ |
|
a5a898f6886c
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changeset
|
1300 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1301 public boolean supportsOpenStatementsAcrossCommit() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1302 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1303 } |
|
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 * 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
|
1307 * this driver cannot guarentee that. In further contemplation, |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1308 * 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
|
1309 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1310 * @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
|
1311 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1312 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1313 public boolean supportsOpenStatementsAcrossRollback() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1314 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1315 } |
|
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 * 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
|
1319 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1320 * @return the max literal length |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1321 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1322 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1323 public int getMaxBinaryLiteralLength() { |
|
817
93b256bf29a7
Fix arithmetic overflow
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents:
781
diff
changeset
|
1324 return 0x7ffffffe; // 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
|
1325 } |
|
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 * 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
|
1329 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1330 * @return the max literal length |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1331 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1332 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1333 public int getMaxCharLiteralLength() { |
|
817
93b256bf29a7
Fix arithmetic overflow
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents:
781
diff
changeset
|
1334 return 0x7ffffffe; // 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
|
1335 } |
|
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 * Whats the limit on column name length. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1339 * 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
|
1340 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1341 * @return the maximum column name length |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1342 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1343 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1344 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
|
1345 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
|
1346 } |
|
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 * 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
|
1350 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1351 * @return the max number of columns |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1352 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1353 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1354 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
|
1355 return 0; // no specific limit known |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1356 } |
|
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 * 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
|
1360 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1361 * @return max number of columns |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1362 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1363 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1364 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
|
1365 return 0; // no specific limit known |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1366 } |
|
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 * 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
|
1370 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1371 * @return the max columns |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1372 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1373 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1374 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
|
1375 return 0; // no specific limit known |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1376 } |
|
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 * 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
|
1380 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1381 * @return the max columns |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1382 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1383 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1384 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
|
1385 return 0; // no specific limit known |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1386 } |
|
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 * 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
|
1390 * |
|
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1391 * 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
|
1392 * 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
|
1393 * 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
|
1394 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1395 * @return the max columns |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1396 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1397 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1398 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
|
1399 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
|
1400 } |
|
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 /** |
|
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
|
1403 * 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
|
1404 * |
|
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
|
1405 * @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
|
1406 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1407 @Override |
|
7
b3ca1157be73
Improve DatabaseMetaData.getDatabaseProductVersion() to never return a null String.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
0
diff
changeset
|
1408 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
|
1409 return con.getMaxConnections(); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1410 } |
|
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 * What is the maximum cursor name length |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1414 * 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
|
1415 * a precaution for maybe the future. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1416 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1417 * @return max cursor name length in bytes |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1418 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1419 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1420 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
|
1421 return 0; // no specific limit known |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1422 } |
|
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 * 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
|
1426 * of the parts of the index. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1427 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1428 * @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
|
1429 * 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
|
1430 * 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
|
1431 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1432 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1433 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
|
1434 return 0; // no specific limit known |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1435 } |
|
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 * 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
|
1439 * allows in a schema name. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1440 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1441 * @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
|
1442 * limit is unknown. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1443 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1444 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1445 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
|
1446 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
|
1447 } |
|
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 * 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
|
1451 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1452 * @return the max name length in bytes |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1453 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1454 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1455 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
|
1456 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
|
1457 } |
|
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 * What is the maximum length of a catalog |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1461 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1462 * @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
|
1463 * 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
|
1464 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1465 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1466 public int getMaxCatalogNameLength() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1467 return 0; // MonetDB does not support catalog names |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1468 } |
|
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 * 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
|
1472 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1473 * @return max row size in bytes |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1474 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1475 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1476 public int getMaxRowSize() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1477 return 0; // very long I hope... |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1478 } |
|
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 /** |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1481 * 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
|
1482 * blobs? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1483 * Yes I thought so... |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1484 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1485 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1486 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1487 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1488 public boolean doesMaxRowSizeIncludeBlobs() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1489 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1490 } |
|
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 * 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
|
1494 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1495 * @return max length in bytes |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1496 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1497 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1498 public int getMaxStatementLength() { |
|
817
93b256bf29a7
Fix arithmetic overflow
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents:
781
diff
changeset
|
1499 return 0x7ffffffe; // MonetDB supports null terminated strings of max 2GB, see function: int UTF8_strlen() |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1500 } |
|
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 * 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
|
1504 * this database? Basically, since each Statement downloads |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1505 * the results as the query is executed, we can have many. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1506 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1507 * @return the maximum |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1508 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1509 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1510 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
|
1511 return 0; // no specific limit known |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1512 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1513 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1514 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1515 * 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
|
1516 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1517 * @return max name length in bytes |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1518 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1519 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1520 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
|
1521 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
|
1522 } |
|
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 * 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
|
1526 * in a SELECT? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1527 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1528 * @return the maximum |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1529 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1530 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1531 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
|
1532 return 0; // no specific limit known |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1533 } |
|
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 * 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
|
1537 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1538 * @return the max name length in bytes |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1539 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1540 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1541 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
|
1542 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
|
1543 } |
|
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 * 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
|
1547 * 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
|
1548 * reads can occur. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1549 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1550 * @return the default isolation level |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1551 * @see Connection |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1552 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1553 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1554 public int getDefaultTransactionIsolation() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1555 return Connection.TRANSACTION_SERIALIZABLE; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1556 } |
|
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 * 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
|
1560 * 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
|
1561 * transactions. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1562 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1563 * @return true if transactions are supported |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1564 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1565 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1566 public boolean supportsTransactions() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1567 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1568 } |
|
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 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1571 * 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
|
1572 * 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:
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changeset
|
1573 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1574 * @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
|
1575 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1576 * @see Connection |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1577 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1578 @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
|
1579 public boolean supportsTransactionIsolationLevel(final int level) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1580 return level == Connection.TRANSACTION_SERIALIZABLE; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1581 } |
|
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 * Are both data definition and data manipulation transactions |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1585 * supported? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1586 * 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
|
1587 * yes it is. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1588 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1589 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1590 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1591 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1592 public boolean supportsDataDefinitionAndDataManipulationTransactions() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1593 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1594 } |
|
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 * Are only data manipulation statements within a transaction |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1598 * supported? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1599 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
1600 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1601 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1602 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1603 public boolean supportsDataManipulationTransactionsOnly() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1604 return false; |
|
a5a898f6886c
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parents:
diff
changeset
|
1605 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
1606 |
|
a5a898f6886c
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parents:
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changeset
|
1607 /** |
|
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parents:
diff
changeset
|
1608 * 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
|
1609 * the transaction to commit? I think this means something like: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
1610 * |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
1611 * <pre> |
|
0
a5a898f6886c
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parents:
diff
changeset
|
1612 * CREATE TABLE T (A INT); |
|
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parents:
diff
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|
1613 * INSERT INTO T (A) VALUES (2); |
|
874
0e304689c415
Correct the example in the comment.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
844
diff
changeset
|
1614 * BEGIN TRANSACTION; |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1615 * UPDATE T SET A = A + 1; |
|
874
0e304689c415
Correct the example in the comment.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
844
diff
changeset
|
1616 * DROP TABLE IF EXISTS X; |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1617 * CREATE TABLE X (A INT); |
|
874
0e304689c415
Correct the example in the comment.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
844
diff
changeset
|
1618 * INSERT INTO X AS SELECT A FROM T; |
|
0e304689c415
Correct the example in the comment.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
844
diff
changeset
|
1619 * SELECT A FROM X; |
|
0e304689c415
Correct the example in the comment.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
844
diff
changeset
|
1620 * ROLLBACK; |
|
0e304689c415
Correct the example in the comment.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
844
diff
changeset
|
1621 * SELECT A FROM T; |
|
194
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
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changeset
|
1622 * </pre> |
|
0
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parents:
diff
changeset
|
1623 * |
|
a5a898f6886c
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parents:
diff
changeset
|
1624 * does the CREATE TABLE call cause a commit? The answer is no. |
|
a5a898f6886c
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parents:
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changeset
|
1625 * |
|
a5a898f6886c
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parents:
diff
changeset
|
1626 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1627 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1628 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1629 public boolean dataDefinitionCausesTransactionCommit() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1630 return false; |
|
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|
1631 } |
|
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|
1632 |
|
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|
1633 /** |
|
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|
1634 * Is a data definition statement within a transaction ignored? |
|
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|
1635 * |
|
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|
1636 * @return true if so |
|
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|
1637 */ |
|
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|
1638 @Override |
|
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|
1639 public boolean dataDefinitionIgnoredInTransactions() { |
|
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|
1640 return false; |
|
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|
1641 } |
|
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|
1642 |
|
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|
1643 /** |
|
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|
1644 * Get a description of stored procedures available in a catalog |
|
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|
1645 * |
|
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|
1646 * <p>Only procedure descriptions matching the schema and procedure |
|
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|
1647 * name criteria are returned. They are ordered by PROCEDURE_SCHEM, |
|
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|
1648 * PROCEDURE_NAME and SPECIFIC_NAME. |
|
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|
1649 * |
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1650 * <p>Each procedure description has the following columns: |
|
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|
1651 * <ol> |
|
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1652 * <li><b>PROCEDURE_CAT</b> String => procedure catalog (may be null) |
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1653 * <li><b>PROCEDURE_SCHEM</b> String => procedure schema (may be null) |
|
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1654 * <li><b>PROCEDURE_NAME</b> String => procedure name |
|
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|
1655 * <li><b>Field4</b> reserved (make it null) |
|
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1656 * <li><b>Field5</b> reserved (make it null) |
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1657 * <li><b>Field6</b> reserved (make it null) |
|
194
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1658 * <li><b>REMARKS</b> String => explanatory comment on the procedure |
|
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1659 * <li><b>PROCEDURE_TYPE</b> short => kind of procedure |
|
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1660 * <ul> |
|
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1661 * <li> procedureResultUnknown - May return a result |
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1662 * <li> procedureNoResult - Does not return a result |
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1663 * <li> procedureReturnsResult - Returns a result |
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|
1664 * </ul> |
|
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1665 * <li><b>SPECIFIC_NAME</b> String => The name which uniquely identifies this procedure within its schema. |
|
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1666 * </ol> |
|
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|
1667 * |
|
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1668 * @param catalog - a catalog name; must match the catalog name as it is stored in the database; |
|
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1669 * "" retrieves those without a catalog; |
|
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|
1670 * null means that the catalog name should not be used to narrow the search |
|
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|
1671 * @param schemaPattern - a schema name pattern; must match the schema name as it is stored in the database; |
|
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|
1672 * "" retrieves those without a schema; |
|
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|
1673 * null means that the schema name should not be used to narrow the search |
|
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|
1674 * @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>
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370
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|
1675 * 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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|
1676 * @return ResultSet - each row is a procedure description |
|
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|
1677 * @throws SQLException if a database access error occurs |
|
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|
1678 */ |
|
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|
1679 @Override |
|
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|
1680 public ResultSet getProcedures( |
|
295
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Add "final" keyword to method arguments and local variables where possible.
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|
1681 final String catalog, |
|
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|
1682 final String schemaPattern, |
|
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|
1683 final String procedureNamePattern |
|
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|
1684 ) throws SQLException |
|
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|
1685 { |
|
332
e8962bdaa206
Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
1686 final boolean useCommentsTable = con.commentsTableExists(); |
|
295
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|
1687 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>
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diff
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|
1688 query.append("SELECT cast(null as char(1)) AS \"PROCEDURE_CAT\", " + |
|
302
1b6c514106ce
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|
1689 "s.\"name\" AS \"PROCEDURE_SCHEM\", " + |
|
1b6c514106ce
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|
1690 "f.\"name\" AS \"PROCEDURE_NAME\", " + |
|
0
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|
1691 "cast(null as char(1)) AS \"Field4\", " + |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
1692 "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>
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|
1693 "cast(null as char(1)) AS \"Field6\", ") |
|
302
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diff
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|
1694 .append(useCommentsTable ? "COALESCE(cm.\"remark\", cast(f.\"func\" as varchar(9999)))" : "cast(f.\"func\" as varchar(9999))").append(" AS \"REMARKS\", " + |
|
0
a5a898f6886c
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|
1695 // in MonetDB procedures have no return value by design. |
|
759
846a456f0f0c
Remove append() calls for static int values in construction of Strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
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|
1696 "cast(" + DatabaseMetaData.procedureNoResult + " AS smallint) AS \"PROCEDURE_TYPE\", " + |
|
0
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|
1697 // only the id value uniquely identifies a procedure. Include it to be able to differentiate between multiple overloaded procedures with the same name |
|
302
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|
1698 "cast(f.\"id\" as varchar(10)) AS \"SPECIFIC_NAME\" " + |
|
759
846a456f0f0c
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
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|
1699 "FROM \"sys\".\"functions\" f " + |
|
846a456f0f0c
Remove append() calls for static int values in construction of Strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
1700 "JOIN \"sys\".\"schemas\" s ON f.\"schema_id\" = s.\"id\" "); |
|
215
71b039bc2d99
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|
1701 if (useCommentsTable) { |
|
352
f62137dd6050
Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
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|
1702 query.append("LEFT OUTER JOIN \"sys\".\"comments\" cm ON f.\"id\" = cm.\"id\" "); |
|
215
71b039bc2d99
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|
1703 } |
|
0
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|
1704 // include procedures only (type = 2). Others will be returned via getFunctions() |
|
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|
1705 query.append("WHERE f.\"type\" = 2"); |
|
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|
1706 |
|
216
116b5a149fb4
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|
1707 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
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|
1708 // non-empty catalog selection. |
|
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|
1709 // as we do not support catalogs this always results in no rows returned |
|
352
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|
1710 query.append(" AND 1=0"); |
|
216
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|
1711 } else { |
|
323
8701024a9bb0
In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
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|
1712 if (schemaPattern != null && !schemaPattern.equals("%")) { |
|
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|
1713 query.append(" AND s.\"name\" ").append(composeMatchPart(schemaPattern)); |
|
216
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|
1714 } |
|
323
8701024a9bb0
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|
1715 if (procedureNamePattern != null && !procedureNamePattern.equals("%")) { |
|
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|
1716 query.append(" AND f.\"name\" ").append(composeMatchPart(procedureNamePattern)); |
|
216
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|
1717 } |
|
0
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|
1718 } |
|
216
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|
1719 |
|
0
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|
1720 query.append(" ORDER BY \"PROCEDURE_SCHEM\", \"PROCEDURE_NAME\", \"SPECIFIC_NAME\""); |
|
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|
1721 |
|
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|
1722 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
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|
1723 } |
|
a5a898f6886c
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|
1724 |
|
a5a898f6886c
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changeset
|
1725 /** |
|
a5a898f6886c
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|
1726 * Get a description of a catalog's stored procedure parameters |
|
a5a898f6886c
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|
1727 * and result columns. |
|
a5a898f6886c
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|
1728 * |
|
a5a898f6886c
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|
1729 * <p>Only descriptions matching the schema, procedure and parameter name |
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1730 * criteria are returned. They are ordered by PROCEDURE_SCHEM, PROCEDURE_NAME |
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|
1731 * and SPECIFIC_NAME. Within this, the return value, if any, is first. |
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|
1732 * Next are the parameter descriptions in call order. The |
|
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|
1733 * column descriptions follow in column number order. |
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|
1734 * |
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1735 * <p>Each row in the ResultSet is a parameter description or column |
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|
1736 * description with the following fields: |
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|
1737 * <ol> |
|
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1738 * <li><b>PROCEDURE_CAT</b> String => procedure catalog (may be null) |
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1739 * <li><b>PROCEDURE_SCHEM</b> String => procedure schema (may be null) |
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1740 * <li><b>PROCEDURE_NAME</b> String => procedure name |
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1741 * <li><b>COLUMN_NAME</b> String => column/parameter name |
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1742 * <li><b>COLUMN_TYPE</b> Short => kind of column/parameter: |
|
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|
1743 * <ul><li>procedureColumnUnknown - nobody knows |
|
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|
1744 * <li>procedureColumnIn - IN parameter |
|
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|
1745 * <li>procedureColumnInOut - INOUT parameter |
|
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|
1746 * <li>procedureColumnOut - OUT parameter |
|
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|
1747 * <li>procedureColumnReturn - procedure return value |
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1748 * <li>procedureColumnResult - result column in ResultSet |
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1749 * </ul> |
|
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1750 * <li><b>DATA_TYPE</b> int => SQL type from java.sql.Types |
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1751 * <li><b>TYPE_NAME</b> String => SQL type name, for a UDT type the type name is fully qualified |
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1752 * <li><b>PRECISION</b> int => precision |
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1753 * <li><b>LENGTH</b> int => length in bytes of data |
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1754 * <li><b>SCALE</b> short => scale - null is returned for data types where SCALE is not applicable. |
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1755 * <li><b>RADIX</b> short => radix |
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1756 * <li><b>NULLABLE</b> short => can it contain NULL? |
|
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1757 * <ul><li>procedureNoNulls - does not allow NULL values |
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1758 * <li>procedureNullable - allows NULL values |
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1759 * <li>procedureNullableUnknown - nullability unknown |
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|
1760 * </ul> |
|
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1761 * <li><b>REMARKS</b> String => comment describing parameter/column |
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1762 * <li><b>COLUMN_DEF</b> String => default value for the column, which should be interpreted as a string when the value is enclosed in single quotes (may be null) |
|
0
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1763 * The string NULL (not enclosed in quotes) - if NULL was specified as the default value |
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|
1764 * TRUNCATE (not enclosed in quotes) - if the specified default value cannot be represented without truncation |
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1765 * NULL - if a default value was not specified |
|
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1766 * <li><b>SQL_DATA_TYPE</b> int => reserved for future use |
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1767 * <li><b>SQL_DATETIME_SUB</b> int => reserved for future use |
|
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|
1768 * <li><b>CHAR_OCTET_LENGTH</b> int => the maximum length of binary and character based columns. For any other datatype the returned value is a NULL |
|
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1769 * <li><b>ORDINAL_POSITION</b> int => the ordinal position, starting from 1, for the input and output parameters for a procedure. |
|
0
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1770 * 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 |
|
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1771 * column in the result set starting from 1. If there are multiple result sets, the column ordinal positions are implementation defined. |
|
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1772 * <li><b>IS_NULLABLE</b> String => ISO rules are used to determine the nullability for a column. |
|
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|
1773 * <ul><li>YES --- if the parameter can include NULLs |
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1774 * <li>NO --- if the parameter cannot include NULLs |
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1775 * <li>empty string --- if the nullability for the parameter is unknown |
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1776 * </ul> |
|
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1777 * <li><b>SPECIFIC_NAME</b> String => the name which uniquely identifies this procedure within its schema. |
|
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1778 * </ol> |
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1779 * @param catalog - a catalog name; must match the catalog name as it is stored in the database; |
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1780 * "" retrieves those without a catalog; |
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1781 * null means that the catalog name should not be used to narrow the search |
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|
1782 * @param schemaPattern - a schema name pattern; must match the schema name as it is stored in the database; |
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1783 * "" retrieves those without a schema; |
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|
1784 * null means that the schema name should not be used to narrow the search |
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|
1785 * @param procedureNamePattern - a procedure name pattern; must match the procedure name as it is stored in the database |
|
371
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|
1786 * Note that our implementation allows this param to be null also (for efficiency as no extra LIKE '%' condition is added to be evaluated). |
|
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1787 * @param columnNamePattern - a column name pattern; must match the column name as it is stored in the database |
|
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1788 * Note that our implementation allows this param to be null also (for efficiency as no extra LIKE '%' condition is added to be evaluated). |
|
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|
1789 * @return ResultSet - each row describes a stored procedure parameter or column |
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|
1790 * @throws SQLException if a database-access error occurs |
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1791 * @see #getSearchStringEscape |
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1792 */ |
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1793 @Override |
|
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1794 public ResultSet getProcedureColumns( |
|
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1795 final String catalog, |
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1796 final String schemaPattern, |
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1797 final String procedureNamePattern, |
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1798 final String columnNamePattern |
|
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|
1799 ) throws SQLException { |
|
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1800 final StringBuilder query = new StringBuilder(2900); |
|
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1801 query.append("SELECT cast(null as char(1)) AS \"PROCEDURE_CAT\", " + |
|
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1802 "s.\"name\" AS \"PROCEDURE_SCHEM\", " + |
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1803 "f.\"name\" AS \"PROCEDURE_NAME\", " + |
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1804 "a.\"name\" AS \"COLUMN_NAME\", " + |
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1805 "cast(CASE a.\"inout\"" + |
|
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1806 " WHEN 0 THEN (CASE a.\"number\" WHEN 0 THEN " + DatabaseMetaData.procedureColumnReturn + " ELSE " + DatabaseMetaData.procedureColumnOut + " END)" + |
|
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1807 " WHEN 1 THEN " + DatabaseMetaData.procedureColumnIn + |
|
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1808 " ELSE " + DatabaseMetaData.procedureColumnUnknown + " END AS smallint) AS \"COLUMN_TYPE\", " + |
|
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1809 "cast(").append(MonetDriver.getSQLTypeMap("a.\"type\"")).append(" AS int) AS \"DATA_TYPE\", " + |
|
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1810 "a.\"type\" AS \"TYPE_NAME\", " + |
|
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1811 "CASE a.\"type\" WHEN 'tinyint' THEN 3 WHEN 'smallint' THEN 5 WHEN 'int' THEN 10 WHEN 'bigint' THEN 19" + |
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1812 " WHEN 'hugeint' THEN 38 WHEN 'oid' THEN 19 WHEN 'wrd' THEN 19 ELSE a.\"type_digits\" END AS \"PRECISION\", " + |
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1813 "CASE a.\"type\" WHEN 'tinyint' THEN 1 WHEN 'smallint' THEN 2 WHEN 'int' THEN 4 WHEN 'bigint' THEN 8" + |
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1814 " WHEN 'hugeint' THEN 16 WHEN 'oid' THEN 8 WHEN 'wrd' THEN 8 ELSE a.\"type_digits\" END AS \"LENGTH\", " + |
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|
1815 "cast(CASE WHEN a.\"type\" IN ('tinyint','smallint','int','bigint','hugeint','oid','wrd','decimal','numeric'," + |
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|
1816 "'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.
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|
1817 "cast(CASE WHEN a.\"type\" IN ('tinyint','smallint','int','bigint','hugeint','oid','wrd','decimal','numeric','day_interval','month_interval','sec_interval') THEN 10" + |
|
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|
1818 " WHEN a.\"type\" IN ('real','float','double') THEN 2 ELSE NULL END AS smallint) AS \"RADIX\", " + |
|
759
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|
1819 // mvd: do not remove next append. The String above is same as used by getFunctionColumns, so shared in class file. |
|
217
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1820 "cast(").append(DatabaseMetaData.procedureNullableUnknown).append(" AS smallint) AS \"NULLABLE\", " + |
|
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1821 "cast(null as char(1)) AS \"REMARKS\", " + |
|
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1822 "cast(null as char(1)) AS \"COLUMN_DEF\", " + |
|
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1823 "cast(0 as int) AS \"SQL_DATA_TYPE\", " + |
|
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|
1824 "cast(0 as int) AS \"SQL_DATETIME_SUB\", " + |
|
822
ad4491372c2c
Prevent sql processor to produce server msg: mul_int_bte_int: ERROR: 22003!overflow in calculation 2147483647*4.
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1825 "cast(CASE WHEN a.\"type\" IN ('varchar','clob','char','json','url','xml') THEN 4 * cast(a.\"type_digits\" as bigint) WHEN a.\"type\" = 'blob' THEN a.\"type_digits\" ELSE NULL END as bigint) AS \"CHAR_OCTET_LENGTH\", " + |
|
0
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|
1826 // 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. |
|
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1827 "cast(a.\"number\" + 1 as int) AS \"ORDINAL_POSITION\", " + |
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1828 "cast('' as varchar(3)) AS \"IS_NULLABLE\", " + |
|
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|
1829 // the specific name contains the function id, in order to be able to match the args to the correct overloaded procedure name |
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1830 "cast(f.\"id\" as varchar(10)) AS \"SPECIFIC_NAME\" " + |
|
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|
1831 "FROM \"sys\".\"args\" a " + |
|
352
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1832 "JOIN \"sys\".\"functions\" f ON a.\"func_id\" = f.\"id\" " + |
|
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|
1833 "JOIN \"sys\".\"schemas\" s ON f.\"schema_id\" = s.\"id\" " + |
|
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1834 // include procedures only (type = 2). Others will be returned via getFunctionColumns() |
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1835 "WHERE f.\"type\" = 2"); |
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1836 |
|
216
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|
1837 if (catalog != null && !catalog.isEmpty()) { |
|
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1838 // non-empty catalog selection. |
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1839 // as we do not support catalogs this always results in no rows returned |
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1840 query.append(" AND 1=0"); |
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1841 } else { |
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323
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1842 if (schemaPattern != null && !schemaPattern.equals("%")) { |
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1843 query.append(" AND s.\"name\" ").append(composeMatchPart(schemaPattern)); |
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1844 } |
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1845 if (procedureNamePattern != null && !procedureNamePattern.equals("%")) { |
|
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|
1846 query.append(" AND f.\"name\" ").append(composeMatchPart(procedureNamePattern)); |
|
216
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1847 } |
|
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1848 if (columnNamePattern != null && !columnNamePattern.equals("%")) { |
|
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|
1849 query.append(" AND a.\"name\" ").append(composeMatchPart(columnNamePattern)); |
|
216
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1850 } |
|
0
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1851 } |
|
216
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1852 |
|
0
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|
1853 query.append(" ORDER BY \"PROCEDURE_SCHEM\", \"PROCEDURE_NAME\", \"SPECIFIC_NAME\", \"ORDINAL_POSITION\""); |
|
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|
1854 |
|
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diff
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|
1855 return executeMetaDataQuery(query.toString()); |
|
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parents:
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|
1856 } |
|
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|
1857 |
|
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parents:
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|
1858 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
1859 * Retrieves a description of the tables available in the given catalog. |
|
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parents:
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|
1860 * Only table descriptions matching the catalog, schema, table name and type criteria are returned. |
|
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parents:
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|
1861 * They are ordered by TABLE_TYPE, TABLE_CAT, TABLE_SCHEM and TABLE_NAME. |
|
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parents:
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|
1862 * |
|
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parents:
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|
1863 * <p>Each table description has the following columns: |
|
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|
1864 * |
|
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|
1865 * <ol> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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|
1866 * <li><b>TABLE_CAT</b> String => table catalog (may be null) |
|
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|
1867 * <li><b>TABLE_SCHEM</b> String => table schema (may be null) |
|
1296dbcc4958
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|
1868 * <li><b>TABLE_NAME</b> String => table name |
|
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1869 * <li><b>TABLE_TYPE</b> String => table type. Typical types are "TABLE", |
|
0
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|
1870 * "VIEW", "SYSTEM TABLE", "GLOBAL TEMPORARY", "LOCAL TEMPORARY", "ALIAS", "SYNONYM". |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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186
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|
1871 * <li><b>REMARKS</b> String => explanatory comment on the table |
|
1296dbcc4958
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|
1872 * <li><b>TYPE_CAT</b> String => the types catalog (may be null) |
|
1296dbcc4958
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|
1873 * <li><b>TYPE_SCHEM</b> String => the types schema (may be null) |
|
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|
1874 * <li><b>TYPE_NAME</b> String => type name (may be null) |
|
1296dbcc4958
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|
1875 * <li><b>SELF_REFERENCING_COL_NAME</b> String => name of the designated "identifier" column of a typed table (may be null) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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|
1876 * <li><b>REF_GENERATION</b> String => specifies how values in SELF_REFERENCING_COL_NAME are created. Values are "SYSTEM", "USER", "DERIVED". (may be null) |
|
0
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|
1877 * </ol> |
|
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|
1878 * |
|
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|
1879 * @param catalog - a catalog name; must match the catalog name as it is stored in the database; |
|
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|
1880 * "" retrieves those without a catalog; null means that the |
|
a5a898f6886c
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|
1881 * catalog name should not be used to narrow the search |
|
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|
1882 * @param schemaPattern - a schema name pattern; must match the schema name as it is stored |
|
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|
1883 * in the database; "" retrieves those without a schema; |
|
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|
1884 * null means that the schema name should not be used to narrow the search |
|
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|
1885 * @param tableNamePattern - a table name pattern; must match the table name as it is stored in the database |
|
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|
1886 * For all tables this should be "%" |
|
371
67fa5c6147d7
Correct SQL syntax in comment (LIKE "%" is not valid SQL in WHERE clause)
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|
1887 * Note that our implementation allows this param to be null also (for efficiency as no extra LIKE '%' condition is added to be evaluated). |
|
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|
1888 * @param types - a list of table types, which must be from the list of table types returned |
|
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|
1889 * from getTableTypes(),to include; null returns all types |
|
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|
1890 * @return ResultSet - each row is a table description |
|
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|
1891 * @throws SQLException if a database-access error occurs. |
|
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1892 */ |
|
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|
1893 @Override |
|
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|
1894 public ResultSet getTables( |
|
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|
1895 final String catalog, |
|
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|
1896 final String schemaPattern, |
|
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|
1897 final String tableNamePattern, |
|
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|
1898 final String types[] |
|
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|
1899 ) throws SQLException |
|
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|
1900 { |
|
332
e8962bdaa206
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|
1901 final boolean useCommentsTable = con.commentsTableExists(); |
|
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|
1902 final StringBuilder query = new StringBuilder(1600); |
|
217
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|
1903 query.append("SELECT cast(null as char(1)) AS \"TABLE_CAT\", " + |
|
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|
1904 "s.\"name\" AS \"TABLE_SCHEM\", " + |
|
767
1547843b3a9b
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|
1905 "t.\"name\" AS \"TABLE_NAME\", " + |
|
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|
1906 "tt.\"table_type_name\" AS \"TABLE_TYPE\", ") |
|
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|
1907 .append(useCommentsTable ? "COALESCE(cm.\"remark\", t.\"query\")" : "t.\"query\"") |
|
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|
1908 .append(" AS \"REMARKS\", " + |
|
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|
1909 "cast(null as char(1)) AS \"TYPE_CAT\", " + |
|
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|
1910 "cast(null as char(1)) AS \"TYPE_SCHEM\", " + |
|
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1911 "cast(null as char(1)) AS \"TYPE_NAME\", " + |
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1912 "cast(null as char(1)) AS \"SELF_REFERENCING_COL_NAME\", " + |
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1913 "cast(null as char(1)) AS \"REF_GENERATION\" " + |
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1914 "FROM \"sys\".\"tables\" t " + |
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1915 "JOIN \"sys\".\"table_types\" tt ON t.\"type\" = tt.\"table_type_id\" " + |
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1916 "JOIN \"sys\".\"schemas\" s ON t.\"schema_id\" = s.\"id\" "); |
|
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1917 if (useCommentsTable) { |
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1918 query.append("LEFT OUTER JOIN \"sys\".\"comments\" cm ON t.\"id\" = cm.\"id\" "); |
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1919 } |
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1920 |
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1921 boolean needWhere = true; |
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1922 if (catalog != null && !catalog.isEmpty()) { |
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1923 // non-empty catalog selection. |
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1924 // as we do not support catalogs this always results in no rows returned |
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1925 query.append("WHERE 1=0"); |
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1926 needWhere = false; |
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1927 } else { |
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1928 if (schemaPattern != null && !schemaPattern.equals("%")) { |
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1929 query.append("WHERE s.\"name\" ").append(composeMatchPart(schemaPattern)); |
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1930 needWhere = false; |
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1931 } |
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1932 if (tableNamePattern != null && !tableNamePattern.equals("%")) { |
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1933 query.append(needWhere ? "WHERE" : " AND") |
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1934 .append(" t.\"name\" ").append(composeMatchPart(tableNamePattern)); |
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1935 needWhere = false; |
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1936 } |
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1937 } |
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1938 |
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1939 if (types != null && types.length > 0) { |
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1940 boolean foundType = false; |
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1941 query.append(needWhere ? "WHERE" : " AND").append(" tt.\"table_type_name\" IN ("); |
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1942 for (int i = 0; i < types.length; i++) { |
|
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1943 String tabletype = types[i]; |
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1944 if (tabletype != null && !tabletype.isEmpty()) { |
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1945 /* Some JDBC applications use different table type names. |
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1946 * Replace some SQL synonyms to valid MonetDB |
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1947 * table type names as defined in sys.table_types */ |
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1948 if ("BASE TABLE".equals(tabletype)) { |
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1949 tabletype = "TABLE"; |
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1950 } else |
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1951 if ("GLOBAL TEMPORARY".equals(tabletype)) { |
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1952 tabletype = "GLOBAL TEMPORARY TABLE"; |
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1953 } else |
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1954 if ("LOCAL TEMPORARY".equals(tabletype)) { |
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1955 tabletype = "LOCAL TEMPORARY TABLE"; |
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1956 } |
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1957 if (foundType) { |
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1958 query.append(','); |
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1959 } |
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1960 query.append('\'').append(tabletype).append('\''); |
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1961 foundType = true; |
|
827
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parents:
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|
1962 } |
|
844
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|
1963 } |
|
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|
1964 if (!foundType) { |
|
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|
1965 // we need to have at least one literal in the SQL IN-list else we get a syntax error |
|
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|
1966 query.append("''"); |
|
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1967 } |
|
767
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|
1968 query.append(')'); |
|
827
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Enhanced DatabaseMetaData.getTables() method by adding support for SQL table type names: 'BASE TABLE', 'GLOBAL TEMPORARY' and 'LOCAL TEMPORARY' in parameter types[].
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
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|
1969 // for debug: System.out.println("SQL (len " + query.length() + "): " + query); |
|
0
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1970 } |
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|
1971 |
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|
1972 query.append(" ORDER BY \"TABLE_TYPE\", \"TABLE_SCHEM\", \"TABLE_NAME\""); |
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1973 |
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|
1974 return executeMetaDataQuery(query.toString()); |
|
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|
1975 } |
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|
1976 |
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|
1977 /** |
|
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|
1978 * Get the schema names available in this database. The results |
|
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|
1979 * are ordered by schema name. |
|
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|
1980 * |
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|
1981 * <P>The schema column is: |
|
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|
1982 * <OL> |
|
194
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|
1983 * <LI><B>TABLE_SCHEM</B> String => schema name |
|
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1984 * <LI><B>TABLE_CATALOG</B> String => catalog name (may be null) |
|
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|
1985 * </OL> |
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|
1986 * |
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|
1987 * @param catalog a catalog name; must match the catalog name as it |
|
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|
1988 * is stored in the database;"" retrieves those without a |
|
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|
1989 * catalog; null means catalog name should not be used to |
|
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|
1990 * narrow down the search. |
|
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|
1991 * @param schemaPattern a schema name; must match the schema name as |
|
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|
1992 * it is stored in the database; null means schema name |
|
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|
1993 * should not be used to narrow down the search. |
|
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|
1994 * @return ResultSet each row has a single String column that is a |
|
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|
1995 * schema name |
|
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|
1996 * @throws SQLException if a database error occurs |
|
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|
1997 */ |
|
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|
1998 @Override |
|
295
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|
1999 public ResultSet getSchemas(final String catalog, final String schemaPattern) |
|
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|
2000 throws SQLException |
|
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|
2001 { |
|
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2002 final StringBuilder query = new StringBuilder(170); |
|
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|
2003 query.append("SELECT \"name\" AS \"TABLE_SCHEM\", " + |
|
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|
2004 "cast(null as char(1)) AS \"TABLE_CATALOG\" " + |
|
372
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Optimize SQL query generation by eliminating "WHERE 1=1" conditions
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|
2005 "FROM \"sys\".\"schemas\" "); |
|
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|
2006 |
|
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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2007 if (catalog != null && !catalog.isEmpty()) { |
|
299
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2008 // non-empty catalog selection. |
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|
2009 // 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>
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2010 query.append("WHERE 1=0"); |
|
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2011 } 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>
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2012 if (schemaPattern != null && !schemaPattern.equals("%")) { |
|
372
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2013 query.append("WHERE \"name\" ").append(composeMatchPart(schemaPattern)); |
|
0
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2014 } |
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2015 } |
|
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|
2016 query.append(" ORDER BY \"TABLE_SCHEM\""); |
|
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|
2017 |
|
a5a898f6886c
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|
2018 return executeMetaDataQuery(query.toString()); |
|
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|
2019 } |
|
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|
2020 |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
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2021 /** |
|
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|
2022 * Get the catalog names available in this database. The results |
|
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|
2023 * are ordered by catalog name. |
|
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|
2024 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
2025 * <P>The catalog column is: |
|
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2026 * <OL> |
|
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2027 * <LI><B>TABLE_CAT</B> String => catalog name |
|
0
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|
2028 * </OL> |
|
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parents:
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|
2029 * |
|
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Sjoerd Mullender <sjoerd@acm.org>
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|
2030 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2031 * @return ResultSet each row has a single String column that is a |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
2032 * catalog name |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
2033 * @throws SQLException if a database error occurs |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2034 */ |
|
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|
2035 @Override |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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2036 public ResultSet getCatalogs() throws SQLException { |
|
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parents:
diff
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|
2037 // MonetDB does NOT support catalogs. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2038 // 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
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|
2039 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
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|
2040 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2041 |
|
a5a898f6886c
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diff
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|
2042 /** |
|
303
a91168efdf27
Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
302
diff
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|
2043 * 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
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|
2044 * The results are ordered by table type. |
|
0
a5a898f6886c
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parents:
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|
2045 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2046 * <P>The table type is: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2047 * <OL> |
|
194
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Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
2048 * <LI><B>TABLE_TYPE</B> String => table type. Typical types are "TABLE", |
|
0
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2049 * "VIEW", "SYSTEM TABLE", "GLOBAL TEMPORARY", |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2050 * "LOCAL TEMPORARY", "ALIAS", "SYNONYM". |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2051 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2052 * |
|
303
a91168efdf27
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
302
diff
changeset
|
2053 * @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
|
2054 * @throws SQLException if a database error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2055 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2056 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2057 public ResultSet getTableTypes() throws SQLException { |
|
767
1547843b3a9b
Removed code to support old MonetDB servers Oct2014 or older.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
761
diff
changeset
|
2058 return executeMetaDataQuery("SELECT \"table_type_name\" AS \"TABLE_TYPE\" FROM \"sys\".\"table_types\" ORDER BY 1"); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2059 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2060 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2061 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2062 * 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
|
2063 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2064 * <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
|
2065 * 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
|
2066 * TABLE_SCHEM, TABLE_NAME and ORDINAL_POSITION. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2067 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2068 * <P>Each column description has the following columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2069 * <OL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
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|
2070 * <LI><B>TABLE_CAT</B> String => table catalog (may be null) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
2071 * <LI><B>TABLE_SCHEM</B> String => table schema (may be null) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
changeset
|
2072 * <LI><B>TABLE_NAME</B> String => table name |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
2073 * <LI><B>COLUMN_NAME</B> String => column name |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
2074 * <LI><B>DATA_TYPE</B> int => 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
|
2075 * <LI><B>TYPE_NAME</B> String => Data source dependent type name |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
2076 * <LI><B>COLUMN_SIZE</B> int => column size. For char or date |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2077 * 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
|
2078 * decimal types this is precision. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2079 * <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
|
2080 * <LI><B>DECIMAL_DIGITS</B> int => 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
|
2081 * <LI><B>NUM_PREC_RADIX</B> int => 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
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|
2082 * <LI><B>NULLABLE</B> int => is NULL allowed? |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2083 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2084 * <LI> columnNoNulls - might not allow NULL values |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2085 * <LI> columnNullable - definitely allows NULL values |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2086 * <LI> columnNullableUnknown - nullability unknown |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2087 * </UL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
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|
2088 * <LI><B>REMARKS</B> String => comment describing column (may be null) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
2089 * <LI><B>COLUMN_DEF</B> String => default value (may be null) |
|
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
2090 * <LI><B>SQL_DATA_TYPE</B> int => unused |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
changeset
|
2091 * <LI><B>SQL_DATETIME_SUB</B> int => unused |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
2092 * <LI><B>CHAR_OCTET_LENGTH</B> int => for char types the |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2093 * 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>
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186
diff
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|
2094 * <LI><B>ORDINAL_POSITION</B> int => index of column in table |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2095 * (starting at 1) |
|
194
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
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|
2096 * <LI><B>IS_NULLABLE</B> String => "NO" means column definitely |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2097 * 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
|
2098 * allow NULL values. An empty string means nobody knows. |
|
194
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
2099 * <LI><B>SCOPE_CATALOG</B> String => 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:
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186
diff
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|
2100 * <LI><B>SCOPE_SCHEMA</B> String => 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:
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186
diff
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|
2101 * <LI><B>SCOPE_TABLE</B> String => 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
|
2102 * <LI><B>SOURCE_DATA_TYPE</B> short => 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
|
2103 * SQL type from java.sql.Types (null if DATA_TYPE isn't DISTINCT or user-generated REF) |
|
194
1296dbcc4958
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|
2104 * <LI><B>IS_AUTOINCREMENT</B> String => Indicates whether this column is auto incremented |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2105 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2106 * <LI> YES --- if the column is auto incremented |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2107 * <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>
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diff
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|
2108 * <LI> empty string --- if it cannot be determined whether the column is auto incremented |
|
0
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2109 * </UL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
2110 * <LI><B>IS_GENERATEDCOLUMN</B> String => Indicates whether this is a generated column |
|
0
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|
2111 * <UL> |
|
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|
2112 * <LI> YES --- if this a generated column |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2113 * <LI> NO --- if this not a generated column |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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2114 * <LI> empty string --- if it cannot be determined whether this is a generated column |
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2115 * </UL> |
|
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|
2116 * </OL> |
|
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parents:
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|
2117 * |
|
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parents:
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|
2118 * @param catalog - a catalog name; must match the catalog name as it is stored in the database; |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2119 * "" retrieves those without a catalog; null means that the |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2120 * catalog name should not be used to narrow the search |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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2121 * @param schemaPattern - a schema name pattern; must match the schema name as it is stored |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2122 * in the database; "" retrieves those without a schema; |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2123 * null means that the schema name should not be used to narrow the search |
|
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2124 * @param tableNamePattern - a table name pattern; must match the table name as it is stored in the database |
|
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|
2125 * 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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|
2126 * 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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|
2127 * @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>
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|
2128 * 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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parents:
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|
2129 * @return ResultSet - each row is a column description |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2130 * @throws SQLException if a database error occurs |
|
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|
2131 * @see #getSearchStringEscape |
|
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|
2132 */ |
|
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|
2133 @Override |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2134 public ResultSet getColumns( |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
2135 final String catalog, |
|
003ae6d881db
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294
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|
2136 final String schemaPattern, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
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|
2137 final String tableNamePattern, |
|
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Add "final" keyword to method arguments and local variables where possible.
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|
2138 final String columnNamePattern |
|
0
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|
2139 ) throws SQLException |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2140 { |
|
332
e8962bdaa206
Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
331
diff
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|
2141 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>
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294
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|
2142 final StringBuilder query = new StringBuilder(2450); |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2143 query.append("SELECT cast(null as char(1)) AS \"TABLE_CAT\", " + |
|
302
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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300
diff
changeset
|
2144 "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>
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300
diff
changeset
|
2145 "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>
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300
diff
changeset
|
2146 "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
|
2147 "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
|
2148 "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
|
2149 "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
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|
2150 "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
|
2151 "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
|
2152 "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
|
2153 "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
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|
2154 "ELSE 0 END AS int) AS \"NUM_PREC_RADIX\", " + |
|
759
846a456f0f0c
Remove append() calls for static int values in construction of Strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
757
diff
changeset
|
2155 "cast(CASE c.\"null\" WHEN true THEN " + ResultSetMetaData.columnNullable + |
|
846a456f0f0c
Remove append() calls for static int values in construction of Strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
757
diff
changeset
|
2156 " WHEN false THEN " + ResultSetMetaData.columnNoNulls + |
|
846a456f0f0c
Remove append() calls for static int values in construction of Strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
757
diff
changeset
|
2157 " ELSE " + ResultSetMetaData.columnNullableUnknown + |
|
846a456f0f0c
Remove append() calls for static int values in construction of Strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
757
diff
changeset
|
2158 " 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
|
2159 .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
|
2160 "c.\"default\" AS \"COLUMN_DEF\", " + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2161 "cast(0 as int) AS \"SQL_DATA_TYPE\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2162 "cast(0 as int) AS \"SQL_DATETIME_SUB\", " + |
|
822
ad4491372c2c
Prevent sql processor to produce server msg: mul_int_bte_int: ERROR: 22003!overflow in calculation 2147483647*4.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
818
diff
changeset
|
2163 "cast(CASE WHEN c.\"type\" IN ('varchar','clob','char','json','url','xml') THEN 4 * cast(c.\"type_digits\" as bigint) ELSE NULL END as bigint) AS \"CHAR_OCTET_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>
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300
diff
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|
2164 "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
|
2165 "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
|
2166 "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
|
2167 "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
|
2168 "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
|
2169 "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
|
2170 "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
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|
2171 "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>
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300
diff
changeset
|
2172 "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>
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300
diff
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|
2173 "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
|
2174 "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
|
2175 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
|
2176 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>
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213
diff
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|
2177 } |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2178 |
|
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
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|
2179 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
298
diff
changeset
|
2180 // non-empty catalog selection. |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2181 // 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
|
2182 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>
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215
diff
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|
2183 } 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
|
2184 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>
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306
diff
changeset
|
2185 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
|
2186 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>
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371
diff
changeset
|
2187 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>
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215
diff
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|
2188 } |
|
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>
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306
diff
changeset
|
2189 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
|
2190 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
|
2191 .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>
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371
diff
changeset
|
2192 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>
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215
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|
2193 } |
|
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
|
2194 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
|
2195 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
|
2196 .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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215
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2197 } |
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2198 } |
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2199 |
|
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2200 query.append(" ORDER BY \"TABLE_SCHEM\", \"TABLE_NAME\", \"ORDINAL_POSITION\""); |
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2201 |
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2202 return executeMetaDataQuery(query.toString()); |
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2203 } |
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2204 |
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2205 /** |
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2206 * Get a description of the access rights for a table's columns. |
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2207 * MonetDB doesn't have this level of access rights. |
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2208 * |
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2209 * <P>Only privileges matching the column name criteria are |
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2210 * returned. They are ordered by COLUMN_NAME and PRIVILEGE. |
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2211 * |
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2212 * <P>Each privilige description has the following columns: |
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2213 * <OL> |
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2214 * <LI><B>TABLE_CAT</B> String => table catalog (may be null) |
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2215 * <LI><B>TABLE_SCHEM</B> String => table schema (may be null) |
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2216 * <LI><B>TABLE_NAME</B> String => table name |
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2217 * <LI><B>COLUMN_NAME</B> String => column name |
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2218 * <LI><B>GRANTOR</B> => grantor of access (may be null) |
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2219 * <LI><B>GRANTEE</B> String => grantee of access |
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2220 * <LI><B>PRIVILEGE</B> String => name of access (SELECT, |
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2221 * INSERT, UPDATE, REFRENCES, ...) |
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2222 * <LI><B>IS_GRANTABLE</B> String => "YES" if grantee is permitted |
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2223 * to grant to others; "NO" if not; null if unknown |
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2224 * </OL> |
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2225 * |
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2226 * @param catalog a catalog name; "" retrieves those without a catalog |
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2227 * @param schemaPattern a schema name; "" retrieves those without a schema |
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2228 * @param tableNamePattern a table name |
|
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2229 * Note that our implementation allows this param to be null also (for efficiency as no extra LIKE '%' condition is added to be evaluated). |
|
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2230 * @param columnNamePattern a column name pattern |
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2231 * Note that our implementation allows this param to be null also (for efficiency as no extra LIKE '%' condition is added to be evaluated). |
|
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2232 * @return ResultSet each row is a column privilege description |
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2233 * @see #getSearchStringEscape |
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2234 * @throws SQLException if a database error occurs |
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2235 */ |
|
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2236 @Override |
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|
2237 public ResultSet getColumnPrivileges( |
|
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2238 final String catalog, |
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2239 final String schemaPattern, |
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2240 final String tableNamePattern, |
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2241 final String columnNamePattern |
|
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2242 ) throws SQLException |
|
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2243 { |
|
332
e8962bdaa206
Moved utility methods and associated caches from DatabaseMetaData to Connection object.
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2244 final boolean usePrivilege_codesTable = con.privilege_codesTableExists(); |
|
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2245 final StringBuilder query = new StringBuilder(1100); |
|
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2246 query.append("SELECT cast(null as char(1)) AS \"TABLE_CAT\", " + |
|
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|
2247 "s.\"name\" AS \"TABLE_SCHEM\", " + |
|
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|
2248 "t.\"name\" AS \"TABLE_NAME\", " + |
|
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|
2249 "c.\"name\" AS \"COLUMN_NAME\", " + |
|
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|
2250 "grantors.\"name\" AS \"GRANTOR\", " + |
|
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|
2251 "grantees.\"name\" AS \"GRANTEE\", ") |
|
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2252 .append(usePrivilege_codesTable ? "pc.\"privilege_code_name\"" : |
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|
2253 "cast(CASE p.\"privileges\" " + |
|
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|
2254 "WHEN 1 THEN 'SELECT' " + |
|
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|
2255 "WHEN 2 THEN 'UPDATE' " + |
|
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|
2256 "WHEN 4 THEN 'INSERT' " + |
|
a5a898f6886c
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|
2257 "WHEN 8 THEN 'DELETE' " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2258 "WHEN 16 THEN 'EXECUTE' " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2259 "WHEN 32 THEN 'GRANT' " + |
|
a5a898f6886c
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|
2260 "ELSE NULL " + |
|
219
4572f0694fde
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|
2261 "END AS varchar(7))").append(" AS \"PRIVILEGE\", " + |
|
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|
2262 "cast(CASE p.\"grantable\" " + |
|
0
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|
2263 "WHEN 0 THEN 'NO' " + |
|
a5a898f6886c
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|
2264 "WHEN 1 THEN 'YES' " + |
|
a5a898f6886c
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|
2265 "ELSE NULL " + |
|
a5a898f6886c
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|
2266 "END AS varchar(3)) AS \"IS_GRANTABLE\" " + |
|
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|
2267 "FROM \"sys\".\"privileges\" p " + |
|
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|
2268 "JOIN \"sys\".\"columns\" c ON p.\"obj_id\" = c.\"id\" " + |
|
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|
2269 "JOIN \"sys\".\"tables\" t ON c.\"table_id\" = t.\"id\" " + |
|
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|
2270 "JOIN \"sys\".\"schemas\" s ON t.\"schema_id\" = s.\"id\" " + |
|
1b6c514106ce
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|
2271 "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.
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|
2272 "JOIN \"sys\".\"auths\" grantees ON p.\"auth_id\" = grantees.\"id\" "); |
|
219
4572f0694fde
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|
2273 if (usePrivilege_codesTable) { |
|
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|
2274 query.append("JOIN \"sys\".\"privilege_codes\" pc ON p.\"privileges\" = pc.\"privilege_code_id\" "); |
|
219
4572f0694fde
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|
2275 } |
|
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|
2276 |
|
216
116b5a149fb4
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|
2277 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
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|
2278 // non-empty catalog selection. |
|
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|
2279 // as we do not support catalogs this always results in no rows returned |
|
372
159c628527c4
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|
2280 query.append("WHERE 1=0"); |
|
216
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|
2281 } else { |
|
372
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diff
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|
2282 boolean needWhere = true; |
|
323
8701024a9bb0
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|
2283 if (schemaPattern != null && !schemaPattern.equals("%")) { |
|
372
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|
2284 query.append("WHERE s.\"name\" ").append(composeMatchPart(schemaPattern)); |
|
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|
2285 needWhere = false; |
|
216
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|
2286 } |
|
323
8701024a9bb0
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|
2287 if (tableNamePattern != null && !tableNamePattern.equals("%")) { |
|
372
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|
2288 query.append(needWhere ? "WHERE" : " AND") |
|
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|
2289 .append(" t.\"name\" ").append(composeMatchPart(tableNamePattern)); |
|
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|
2290 needWhere = false; |
|
216
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|
2291 } |
|
323
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|
2292 if (columnNamePattern != null && !columnNamePattern.equals("%")) { |
|
372
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changeset
|
2293 query.append(needWhere ? "WHERE" : " AND") |
|
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2294 .append(" c.\"name\" ").append(composeMatchPart(columnNamePattern)); |
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2295 } |
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2296 } |
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2297 |
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2298 query.append(" ORDER BY \"TABLE_SCHEM\", \"TABLE_NAME\", \"COLUMN_NAME\", \"PRIVILEGE\""); |
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2299 |
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2300 return executeMetaDataQuery(query.toString()); |
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2301 } |
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2302 |
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2303 /** |
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2304 * Get a description of the access rights for each table available |
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2305 * in a catalog. |
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2306 * |
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2307 * <P>Only privileges matching the schema and table name |
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2308 * criteria are returned. They are ordered by TABLE_SCHEM, |
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2309 * TABLE_NAME, and PRIVILEGE. |
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2310 * |
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2311 * <P>Each privilege description has the following columns: |
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2312 * <OL> |
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2313 * <LI><B>TABLE_CAT</B> String => table catalog (may be null) |
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2314 * <LI><B>TABLE_SCHEM</B> String => table schema (may be null) |
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2315 * <LI><B>TABLE_NAME</B> String => table name |
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2316 * <LI><B>GRANTOR</B> => grantor of access (may be null) |
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2317 * <LI><B>GRANTEE</B> String => grantee of access |
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2318 * <LI><B>PRIVILEGE</B> String => name of access (SELECT, |
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2319 * INSERT, UPDATE, REFRENCES, ...) |
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2320 * <LI><B>IS_GRANTABLE</B> String => "YES" if grantee is permitted |
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2321 * to grant to others; "NO" if not; null if unknown |
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2322 * </OL> |
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2323 * |
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2324 * @param catalog a catalog name; "" retrieves those without a catalog |
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2325 * @param schemaPattern a schema name pattern; "" retrieves those without a schema |
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2326 * @param tableNamePattern a table name pattern |
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2327 * Note that our implementation allows this param to be null also (for efficiency as no extra LIKE '%' condition is added to be evaluated). |
|
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2328 * @return ResultSet each row is a table privilege description |
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2329 * @see #getSearchStringEscape |
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2330 * @throws SQLException if a database error occurs |
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2331 */ |
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2332 @Override |
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2333 public ResultSet getTablePrivileges( |
|
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2334 final String catalog, |
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2335 final String schemaPattern, |
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2336 final String tableNamePattern |
|
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2337 ) throws SQLException |
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2338 { |
|
332
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2339 final boolean usePrivilege_codesTable = con.privilege_codesTableExists(); |
|
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2340 final StringBuilder query = new StringBuilder(1000); |
|
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2341 query.append("SELECT cast(null as char(1)) AS \"TABLE_CAT\", " + |
|
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2342 "s.\"name\" AS \"TABLE_SCHEM\", " + |
|
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2343 "t.\"name\" AS \"TABLE_NAME\", " + |
|
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2344 "grantors.\"name\" AS \"GRANTOR\", " + |
|
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2345 "grantees.\"name\" AS \"GRANTEE\", ") |
|
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2346 .append(usePrivilege_codesTable ? "pc.\"privilege_code_name\"" : |
|
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2347 "cast(CASE p.\"privileges\" " + |
|
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2348 "WHEN 1 THEN 'SELECT' " + |
|
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|
2349 "WHEN 2 THEN 'UPDATE' " + |
|
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2350 "WHEN 4 THEN 'INSERT' " + |
|
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|
2351 "WHEN 8 THEN 'DELETE' " + |
|
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|
2352 "WHEN 16 THEN 'EXECUTE' " + |
|
a5a898f6886c
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|
2353 "WHEN 32 THEN 'GRANT' " + |
|
a5a898f6886c
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|
2354 "ELSE NULL " + |
|
219
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2355 "END AS varchar(7))").append(" AS \"PRIVILEGE\", " + |
|
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2356 "cast(CASE p.\"grantable\" " + |
|
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|
2357 "WHEN 0 THEN 'NO' " + |
|
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|
2358 "WHEN 1 THEN 'YES' " + |
|
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|
2359 "ELSE NULL " + |
|
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|
2360 "END AS varchar(3)) AS \"IS_GRANTABLE\" " + |
|
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|
2361 "FROM \"sys\".\"privileges\" p " + |
|
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|
2362 "JOIN \"sys\".\"tables\" t ON p.\"obj_id\" = t.\"id\" " + |
|
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2363 "JOIN \"sys\".\"schemas\" s ON t.\"schema_id\" = s.\"id\" " + |
|
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|
2364 "JOIN \"sys\".\"auths\" grantors ON p.\"grantor\" = grantors.\"id\" " + |
|
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|
2365 "JOIN \"sys\".\"auths\" grantees ON p.\"auth_id\" = grantees.\"id\" "); |
|
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2366 if (usePrivilege_codesTable) { |
|
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|
2367 query.append("JOIN \"sys\".\"privilege_codes\" pc ON p.\"privileges\" = pc.\"privilege_code_id\" "); |
|
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2368 } |
|
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2369 |
|
216
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|
2370 if (catalog != null && !catalog.isEmpty()) { |
|
299
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|
2371 // non-empty catalog selection. |
|
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2372 // as we do not support catalogs this always results in no rows returned |
|
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|
2373 query.append("WHERE 1=0"); |
|
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2374 } else { |
|
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|
2375 boolean needWhere = true; |
|
323
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2376 if (schemaPattern != null && !schemaPattern.equals("%")) { |
|
372
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|
2377 query.append("WHERE s.\"name\" ").append(composeMatchPart(schemaPattern)); |
|
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|
2378 needWhere = false; |
|
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2379 } |
|
323
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|
2380 if (tableNamePattern != null && !tableNamePattern.equals("%")) { |
|
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|
2381 query.append(needWhere ? "WHERE" : " AND") |
|
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|
2382 .append(" t.\"name\" ").append(composeMatchPart(tableNamePattern)); |
|
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2383 } |
|
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|
2384 } |
|
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|
2385 |
|
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|
2386 query.append(" ORDER BY \"TABLE_SCHEM\", \"TABLE_NAME\", \"PRIVILEGE\""); |
|
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|
2387 |
|
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|
2388 return executeMetaDataQuery(query.toString()); |
|
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|
2389 } |
|
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|
2390 |
|
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|
2391 /** |
|
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|
2392 * Get a description of a table's optimal set of columns that |
|
a5a898f6886c
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parents:
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|
2393 * uniquely identifies a row. They are ordered by SCOPE. |
|
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parents:
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|
2394 * |
|
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|
2395 * <P>Each column description has the following columns: |
|
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2396 * <OL> |
|
194
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2397 * <LI><B>SCOPE</B> short => actual scope of result |
|
0
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diff
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|
2398 * <UL> |
|
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parents:
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|
2399 * <LI> bestRowTemporary - very temporary, while using row |
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|
2400 * <LI> bestRowTransaction - valid for remainder of current transaction |
|
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|
2401 * <LI> bestRowSession - valid for remainder of current session |
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|
2402 * </UL> |
|
194
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2403 * <LI><B>COLUMN_NAME</B> String => column name |
|
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2404 * <LI><B>DATA_TYPE</B> int => SQL data type from java.sql.Types |
|
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|
2405 * <LI><B>TYPE_NAME</B> String => Data source dependent type name |
|
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2406 * <LI><B>COLUMN_SIZE</B> int => precision |
|
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Resolved javadoc many errors and warnings, such as:
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2407 * <LI><B>BUFFER_LENGTH</B> int => not used |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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parents:
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|
2408 * <LI><B>DECIMAL_DIGITS</B> short => scale |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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2409 * <LI><B>PSEUDO_COLUMN</B> short => is this a pseudo column |
|
0
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parents:
diff
changeset
|
2410 * like an Oracle ROWID |
|
a5a898f6886c
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parents:
diff
changeset
|
2411 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2412 * <LI> bestRowUnknown - may or may not be pseudo column |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2413 * <LI> bestRowNotPseudo - is NOT a pseudo column |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
2414 * <LI> bestRowPseudo - is a pseudo column |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2415 * </UL> |
|
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parents:
diff
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|
2416 * </OL> |
|
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parents:
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changeset
|
2417 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2418 * @param catalog a catalog name; "" retrieves those without a catalog |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2419 * @param schema a schema name; "" retrieves those without a schema |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
2420 * @param table a table name |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2421 * @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:
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|
2422 * @param nullable include columns that are nullable? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2423 * @return ResultSet each row is a column description |
|
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2424 * @throws SQLException if a database error occurs |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2425 */ |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2426 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2427 public ResultSet getBestRowIdentifier( |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
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|
2428 final String catalog, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
2429 final String schema, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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diff
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|
2430 final String table, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
2431 final int scope, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
2432 final boolean nullable |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2433 ) throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2434 { |
|
652
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2435 /* 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
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|
2436 final boolean incltmpkey = (schema == null) |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2437 || (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
|
2438 |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2439 /* 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
|
2440 * 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
|
2441 * 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
|
2442 * 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
|
2443 * 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
|
2444 * 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
|
2445 * 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
|
2446 */ |
|
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
|
2447 |
|
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
|
2448 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
|
2449 // 1st cte: syskeys |
|
652
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2450 query.append("with syskeys as (" + |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2451 // all pkeys |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2452 "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
|
2453 "UNION ALL " + |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2454 // 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
|
2455 "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
|
2456 "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
|
2457 "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
|
2458 if (incltmpkey) { |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2459 // 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
|
2460 // 2nd cte: tmpkeys |
|
652
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2461 query.append(", tmpkeys as (" + |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2462 "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
|
2463 "UNION ALL " + |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2464 "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
|
2465 "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
|
2466 "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
|
2467 } |
|
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
|
2468 // 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
|
2469 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
|
2470 "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
|
2471 "FROM \"sys\".\"tables\" t " + |
|
652
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2472 "JOIN \"sys\".\"schemas\" s ON t.\"schema_id\" = s.\"id\" " + |
|
759
846a456f0f0c
Remove append() calls for static int values in construction of Strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
757
diff
changeset
|
2473 "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
|
2474 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
298
diff
changeset
|
2475 // non-empty catalog selection. |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2476 // as we do not support catalogs this always results in no rows returned |
|
759
846a456f0f0c
Remove append() calls for static int values in construction of Strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
757
diff
changeset
|
2477 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
|
2478 } 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
|
2479 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
|
2480 || 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
|
2481 || 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
|
2482 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
|
2483 // do not allow wildcard matching with LIKE, as the resultset does not include the schema info |
|
759
846a456f0f0c
Remove append() calls for static int values in construction of Strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
757
diff
changeset
|
2484 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
|
2485 } |
|
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
|
2486 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
|
2487 // 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
|
2488 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
|
2489 } |
|
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
|
2490 } else { |
|
759
846a456f0f0c
Remove append() calls for static int values in construction of Strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
757
diff
changeset
|
2491 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
|
2492 } |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2493 } |
|
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 // 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
|
2495 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
|
2496 "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
|
2497 "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
|
2498 "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
|
2499 "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
|
2500 "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
|
2501 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
|
2502 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
|
2503 } |
|
652
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2504 if (incltmpkey) { |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2505 // 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
|
2506 // 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
|
2507 query.append(" UNION ALL " + |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2508 "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
|
2509 "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
|
2510 "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
|
2511 "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
|
2512 "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
|
2513 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
|
2514 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
|
2515 } |
|
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
|
2516 } |
|
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
|
2517 // 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
|
2518 // (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
|
2519 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
|
2520 "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
|
2521 "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
|
2522 "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
|
2523 "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
|
2524 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
|
2525 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
|
2526 } |
|
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 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
|
2528 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
|
2529 "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
|
2530 "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
|
2531 "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
|
2532 "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
|
2533 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
|
2534 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
|
2535 } |
|
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 } |
|
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 // the final select query |
|
652
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2538 query.append(") SELECT " + |
|
759
846a456f0f0c
Remove append() calls for static int values in construction of Strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
757
diff
changeset
|
2539 "cast(" + DatabaseMetaData.bestRowSession + " AS smallint) AS \"SCOPE\", " + |
|
652
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2540 "c.\"name\" AS \"COLUMN_NAME\", " + |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2541 "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
|
2542 "c.\"type\" AS \"TYPE_NAME\", " + |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2543 "c.\"type_digits\" AS \"COLUMN_SIZE\", " + |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2544 "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
|
2545 "cast(c.\"type_scale\" AS smallint) AS \"DECIMAL_DIGITS\", " + |
|
759
846a456f0f0c
Remove append() calls for static int values in construction of Strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
757
diff
changeset
|
2546 "cast(" + DatabaseMetaData.bestRowNotPseudo + " AS smallint) AS \"PSEUDO_COLUMN\" " + |
|
652
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2547 "FROM cols c " + |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2548 "ORDER BY \"SCOPE\", c.\"nr\", \"COLUMN_NAME\""); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2549 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2550 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2551 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2552 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2553 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2554 * 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
|
2555 * 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
|
2556 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2557 * <P>Each column description has the following columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2558 * <OL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
2559 * <LI><B>SCOPE</B> short => is not used |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
2560 * <LI><B>COLUMN_NAME</B> String => column name |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
2561 * <LI><B>DATA_TYPE</B> int => 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
|
2562 * <LI><B>TYPE_NAME</B> String => 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
|
2563 * <LI><B>COLUMN_SIZE</B> int => precision |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
2564 * <LI><B>BUFFER_LENGTH</B> int => 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
|
2565 * <LI><B>DECIMAL_DIGITS</B> short => scale |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
2566 * <LI><B>PSEUDO_COLUMN</B> short => 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
|
2567 * <UL> |
|
a5a898f6886c
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|
2568 * <LI> versionColumnUnknown - may or may not be pseudo column |
|
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|
2569 * <LI> versionColumnNotPseudo - is NOT a pseudo column |
|
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|
2570 * <LI> versionColumnPseudo - is a pseudo column |
|
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|
2571 * </UL> |
|
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|
2572 * </OL> |
|
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|
2573 * |
|
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|
2574 * @param catalog a catalog name; "" retrieves those without a catalog |
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|
2575 * @param schema a schema name; "" retrieves those without a schema |
|
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|
2576 * @param table a table name |
|
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|
2577 * 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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|
2578 * @return ResultSet each row is a column description |
|
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|
2579 * @throws SQLException if a database error occurs |
|
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|
2580 */ |
|
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|
2581 @Override |
|
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|
2582 public ResultSet getVersionColumns( |
|
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|
2583 final String catalog, |
|
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|
2584 final String schema, |
|
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2585 final String table |
|
0
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|
2586 ) throws SQLException |
|
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|
2587 { |
|
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|
2588 // MonetDB currently does not have columns which update themselves, so return an empty ResultSet |
|
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|
2589 final String query = |
|
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|
2590 "SELECT cast(0 as smallint) AS \"SCOPE\", " + |
|
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2591 "cast(null as char(1)) AS \"COLUMN_NAME\", " + |
|
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|
2592 "cast(0 as int) AS \"DATA_TYPE\", " + |
|
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|
2593 "cast(null as char(1)) AS \"TYPE_NAME\", " + |
|
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|
2594 "cast(0 as int) AS \"COLUMN_SIZE\", " + |
|
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|
2595 "cast(0 as int) AS \"BUFFER_LENGTH\", " + |
|
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|
2596 "cast(0 as smallint) AS \"DECIMAL_DIGITS\", " + |
|
7cbd20ff628c
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|
2597 "cast(0 as smallint) AS \"PSEUDO_COLUMN\" " + |
|
352
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|
2598 "WHERE 1=0"; |
|
0
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|
2599 |
|
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|
2600 return executeMetaDataQuery(query); |
|
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|
2601 } |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2602 |
|
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|
2603 /** |
|
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|
2604 * Get a description of a table's primary key columns. They |
|
a5a898f6886c
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parents:
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|
2605 * are ordered by COLUMN_NAME. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2606 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2607 * <P>Each column description has the following columns: |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2608 * <OL> |
|
194
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Resolved javadoc many errors and warnings, such as:
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|
2609 * <LI><B>TABLE_CAT</B> String => table catalog (may be null) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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|
2610 * <LI><B>TABLE_SCHEM</B> String => table schema (may be null) |
|
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Resolved javadoc many errors and warnings, such as:
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|
2611 * <LI><B>TABLE_NAME</B> String => table name |
|
1296dbcc4958
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|
2612 * <LI><B>COLUMN_NAME</B> String => column name |
|
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Resolved javadoc many errors and warnings, such as:
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|
2613 * <LI><B>KEY_SEQ</B> short => sequence number within primary key |
|
1296dbcc4958
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|
2614 * <LI><B>PK_NAME</B> String => primary key name (may be null) |
|
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|
2615 * </OL> |
|
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changeset
|
2616 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2617 * @param catalog a catalog name; "" retrieves those without a catalog |
|
245
55375d489024
Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
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231
diff
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|
2618 * @param schema a schema name pattern; "" retrieves those without a schema |
|
0
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|
2619 * @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>
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diff
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|
2620 * 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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diff
changeset
|
2621 * @return ResultSet each row is a primary key column description |
|
a5a898f6886c
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|
2622 * @throws SQLException if a database error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2623 */ |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2624 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2625 public ResultSet getPrimaryKeys( |
|
295
003ae6d881db
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|
2626 final String catalog, |
|
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|
2627 final String schema, |
|
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|
2628 final String table |
|
0
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|
2629 ) throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2630 { |
|
649
060347aa81ea
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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645
diff
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|
2631 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>
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216
diff
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|
2632 query.append("SELECT cast(null AS char(1)) AS \"TABLE_CAT\", " + |
|
302
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
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|
2633 "s.\"name\" AS \"TABLE_SCHEM\", " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
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diff
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|
2634 "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>
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diff
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|
2635 "o.\"name\" AS \"COLUMN_NAME\", " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
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300
diff
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|
2636 "cast(1 + o.\"nr\" AS smallint) AS \"KEY_SEQ\", " + |
|
649
060347aa81ea
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
645
diff
changeset
|
2637 "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>
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645
diff
changeset
|
2638 "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>
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645
diff
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|
2639 "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>
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645
diff
changeset
|
2640 "JOIN \"sys\".\"_tables\" t ON k.\"table_id\" = t.\"id\" " + |
|
302
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diff
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|
2641 "JOIN \"sys\".\"schemas\" s ON t.\"schema_id\" = s.\"id\" " + |
|
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
2642 "WHERE k.\"type\" = 0"); // only primary keys (type = 0) |
|
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|
2643 |
|
216
116b5a149fb4
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diff
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|
2644 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
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|
2645 // non-empty catalog selection. |
|
0
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|
2646 // as we do not support catalogs this always results in no rows returned |
|
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|
2647 query.append(" AND 1=0"); |
|
216
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|
2648 } else { |
|
323
8701024a9bb0
In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
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|
2649 if (schema != null && !schema.equals("%")) { |
|
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|
2650 query.append(" AND s.\"name\" ").append(composeMatchPart(schema)); |
|
216
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|
2651 } |
|
323
8701024a9bb0
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|
2652 if (table != null && !table.equals("%")) { |
|
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|
2653 query.append(" AND t.\"name\" ").append(composeMatchPart(table)); |
|
216
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|
2654 } |
|
0
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changeset
|
2655 } |
|
a5a898f6886c
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diff
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|
2656 |
|
649
060347aa81ea
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645
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changeset
|
2657 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>
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645
diff
changeset
|
2658 || (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>
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645
diff
changeset
|
2659 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
|
2660 // 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
|
2661 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
|
2662 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
|
2663 "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
|
2664 "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
|
2665 "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
|
2666 "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
|
2667 "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
|
2668 "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
|
2669 "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
|
2670 "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
|
2671 "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
|
2672 "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
|
2673 |
|
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 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
|
2675 // 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
|
2676 // 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
|
2677 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
|
2678 } 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
|
2679 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
|
2680 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
|
2681 } |
|
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 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
|
2683 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
|
2684 } |
|
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 } |
|
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 } |
|
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 |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2688 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
|
2689 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2690 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2691 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2692 |
|
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
|
2693 // 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
|
2694 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
|
2695 "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
|
2696 "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
|
2697 "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
|
2698 "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
|
2699 "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
|
2700 "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
|
2701 "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
|
2702 "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
|
2703 "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
|
2704 "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
|
2705 " 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
|
2706 " 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
|
2707 " 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
|
2708 " 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
|
2709 " 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
|
2710 " 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
|
2711 " 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
|
2712 "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
|
2713 " 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
|
2714 " 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
|
2715 " 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
|
2716 " 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
|
2717 " 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
|
2718 " 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
|
2719 " 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
|
2720 "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
|
2721 "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
|
2722 "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
|
2723 "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
|
2724 "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
|
2725 "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
|
2726 "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
|
2727 "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
|
2728 "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
|
2729 "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
|
2730 "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
|
2731 "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
|
2732 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2733 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2734 * 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
|
2735 * 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
|
2736 * 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
|
2737 * PKTABLE_SCHEM, PKTABLE_NAME, and KEY_SEQ. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2738 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2739 * <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
|
2740 * <OL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
2741 * <LI><B>PKTABLE_CAT</B> String => primary key table catalog |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2742 * being imported (may be null) |
|
194
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2743 * <LI><B>PKTABLE_SCHEM</B> String => primary key table schema |
|
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2744 * being imported (may be null) |
|
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2745 * <LI><B>PKTABLE_NAME</B> String => primary key table name |
|
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|
2746 * being imported |
|
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|
2747 * <LI><B>PKCOLUMN_NAME</B> String => primary key column name |
|
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|
2748 * being imported |
|
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2749 * <LI><B>FKTABLE_CAT</B> String => foreign key table catalog (may be null) |
|
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2750 * <LI><B>FKTABLE_SCHEM</B> String => foreign key table schema (may be null) |
|
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|
2751 * <LI><B>FKTABLE_NAME</B> String => foreign key table name |
|
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2752 * <LI><B>FKCOLUMN_NAME</B> String => foreign key column name |
|
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2753 * <LI><B>KEY_SEQ</B> short => sequence number within foreign key |
|
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|
2754 * (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>
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|
2755 * <LI><B>UPDATE_RULE</B> short => What happens to foreign key when primary is updated: |
|
0
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|
2756 * <UL> |
|
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|
2757 * <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().
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2758 * <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().
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|
2759 * <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().
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|
2760 * <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().
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2761 * <LI> importedKeySetDefault - change imported key to the default values if its primary key has been updated |
|
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2762 * </UL> |
|
405
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Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
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2763 * <LI><B>DELETE_RULE</B> short => What happens to the foreign key when primary is deleted. |
|
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|
2764 * <UL> |
|
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|
2765 * <LI> importedKeyNoAction - do not allow delete of primary key if it has been imported |
|
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2766 * <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
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|
2767 * <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
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|
2768 * <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>
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391
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|
2769 * <LI> importedKeySetDefault - change imported key to the default values if its primary key has been deleted |
|
0
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|
2770 * </UL> |
|
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|
2771 * <LI><B>FK_NAME</B> String => foreign key name (may be null) |
|
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|
2772 * <LI><B>PK_NAME</B> String => primary key name (may be null) |
|
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|
2773 * <LI><B>DEFERRABILITY</B> short => can the evaluation of foreign key constraints be deferred until commit |
|
0
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|
2774 * <UL> |
|
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|
2775 * <LI> importedKeyInitiallyDeferred - see SQL92 for definition |
|
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diff
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|
2776 * <LI> importedKeyInitiallyImmediate - see SQL92 for definition |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2777 * <LI> importedKeyNotDeferrable - see SQL92 for definition |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2778 * </UL> |
|
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|
2779 * </OL> |
|
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parents:
diff
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|
2780 * |
|
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|
2781 * @param catalog a catalog name; "" retrieves those without a catalog |
|
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parents:
diff
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|
2782 * @param schema a schema name pattern; "" retrieves those without a schema |
|
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|
2783 * @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
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|
2784 * 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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parents:
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|
2785 * @return ResultSet each row is a primary key column description |
|
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parents:
diff
changeset
|
2786 * @see #getExportedKeys |
|
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parents:
diff
changeset
|
2787 * @throws SQLException if a database error occurs |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2788 */ |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2789 @Override |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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diff
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|
2790 public ResultSet getImportedKeys( |
|
003ae6d881db
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|
2791 final String catalog, |
|
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Add "final" keyword to method arguments and local variables where possible.
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|
2792 final String schema, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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|
2793 final String table |
|
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|
2794 ) throws SQLException |
|
0
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|
2795 { |
|
295
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|
2796 final StringBuilder query = new StringBuilder(keyQuery.length() + 250); |
|
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|
2797 query.append(keyQuery); |
|
a5a898f6886c
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|
2798 |
|
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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215
diff
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|
2799 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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298
diff
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|
2800 // non-empty catalog selection. |
|
0
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|
2801 // 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>
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350
diff
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|
2802 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>
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215
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|
2803 } 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>
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306
diff
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|
2804 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>
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300
diff
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|
2805 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>
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215
diff
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|
2806 } |
|
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>
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306
diff
changeset
|
2807 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>
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300
diff
changeset
|
2808 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>
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diff
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|
2809 } |
|
0
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|
2810 } |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2811 |
|
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
|
2812 // 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
|
2813 // 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
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|
2814 query.append(" ORDER BY \"PKTABLE_SCHEM\", \"PKTABLE_NAME\", \"PK_NAME\", \"FKTABLE_SCHEM\", \"FKTABLE_NAME\", \"FK_NAME\", \"KEY_SEQ\""); |
|
0
a5a898f6886c
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|
2815 |
|
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parents:
diff
changeset
|
2816 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2817 } |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2818 |
|
a5a898f6886c
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diff
changeset
|
2819 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2820 * Get a description of a foreign key columns that reference a |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2821 * table's primary key columns (the foreign keys exported by a table). |
|
a5a898f6886c
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diff
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|
2822 * They are ordered by FKTABLE_CAT, FKTABLE_SCHEM, FKTABLE_NAME, and KEY_SEQ. |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
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|
2823 * |
|
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|
2824 * <P>Each foreign key column description has the following columns: |
|
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|
2825 * <OL> |
|
194
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|
2826 * <LI><B>PKTABLE_CAT</B> String => primary key table catalog (may be null) |
|
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|
2827 * <LI><B>PKTABLE_SCHEM</B> String => primary key table schema (may be null) |
|
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|
2828 * <LI><B>PKTABLE_NAME</B> String => primary key table name |
|
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|
2829 * <LI><B>PKCOLUMN_NAME</B> String => primary key column name |
|
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|
2830 * <LI><B>FKTABLE_CAT</B> String => foreign key table catalog (may be null) |
|
0
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|
2831 * being exported (may be null) |
|
194
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|
2832 * <LI><B>FKTABLE_SCHEM</B> String => foreign key table schema (may be null) |
|
0
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|
2833 * being exported (may be null) |
|
194
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|
2834 * <LI><B>FKTABLE_NAME</B> String => foreign key table name |
|
0
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diff
changeset
|
2835 * being exported |
|
194
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|
2836 * <LI><B>FKCOLUMN_NAME</B> String => foreign key column name |
|
0
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|
2837 * being exported |
|
194
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|
2838 * <LI><B>KEY_SEQ</B> short => sequence number within foreign key |
|
0
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parents:
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changeset
|
2839 * (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>
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391
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|
2840 * <LI><B>UPDATE_RULE</B> short => What happens to foreign key when primary is updated: |
|
0
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parents:
diff
changeset
|
2841 * <UL> |
|
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parents:
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|
2842 * <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().
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|
2843 * <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().
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|
2844 * <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().
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391
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|
2845 * <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().
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|
2846 * <LI> importedKeySetDefault - change imported key to the default values if its primary key has been updated |
|
0
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|
2847 * </UL> |
|
405
6242351e8802
Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
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|
2848 * <LI><B>DELETE_RULE</B> short => What happens to the foreign key when primary is deleted. |
|
0
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|
2849 * <UL> |
|
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|
2850 * <LI> importedKeyNoAction - do not allow delete of primary key if it has been imported |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2851 * <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
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|
2852 * <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
|
2853 * <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>
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391
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|
2854 * <LI> importedKeySetDefault - change imported key to the default values if its primary key has been deleted |
|
0
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|
2855 * </UL> |
|
194
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|
2856 * <LI><B>FK_NAME</B> String => foreign key identifier (may be null) |
|
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|
2857 * <LI><B>PK_NAME</B> String => primary key identifier (may be null) |
|
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|
2858 * <LI><B>DEFERRABILITY</B> short => can the evaluation of foreign key constraints be deferred until commit |
|
0
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parents:
diff
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|
2859 * <UL> |
|
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parents:
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|
2860 * <LI> importedKeyInitiallyDeferred - see SQL92 for definition |
|
a5a898f6886c
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parents:
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|
2861 * <LI> importedKeyInitiallyImmediate - see SQL92 for definition |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2862 * <LI> importedKeyNotDeferrable - see SQL92 for definition |
|
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|
2863 * </UL> |
|
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parents:
diff
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|
2864 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2865 * |
|
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parents:
diff
changeset
|
2866 * @param catalog a catalog name; "" retrieves those without a catalog |
|
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parents:
diff
changeset
|
2867 * @param schema a schema name pattern; "" retrieves those without a schema |
|
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diff
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|
2868 * @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>
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370
diff
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|
2869 * 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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parents:
diff
changeset
|
2870 * @return ResultSet each row is a foreign key column description |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2871 * @see #getImportedKeys |
|
a5a898f6886c
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parents:
diff
changeset
|
2872 * @throws SQLException if a database error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2873 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2874 @Override |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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diff
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|
2875 public ResultSet getExportedKeys( |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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|
2876 final String catalog, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
2877 final String schema, |
|
371
67fa5c6147d7
Correct SQL syntax in comment (LIKE "%" is not valid SQL in WHERE clause)
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370
diff
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|
2878 final String table |
|
295
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Add "final" keyword to method arguments and local variables where possible.
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|
2879 ) throws SQLException |
|
0
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|
2880 { |
|
295
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Add "final" keyword to method arguments and local variables where possible.
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|
2881 final StringBuilder query = new StringBuilder(keyQuery.length() + 250); |
|
0
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parents:
diff
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|
2882 query.append(keyQuery); |
|
a5a898f6886c
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parents:
diff
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|
2883 |
|
216
116b5a149fb4
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
215
diff
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|
2884 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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298
diff
changeset
|
2885 // non-empty catalog selection. |
|
0
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parents:
diff
changeset
|
2886 // 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
|
2887 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>
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215
diff
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|
2888 } 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
|
2889 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
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|
2890 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
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|
2891 } |
|
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
|
2892 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>
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300
diff
changeset
|
2893 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>
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215
diff
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|
2894 } |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2895 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2896 |
|
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
|
2897 // 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
|
2898 // 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
|
2899 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.
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parents:
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changeset
|
2900 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2901 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
2902 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
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|
2903 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2904 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2905 * Get a description of the foreign key columns in the foreign key |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2906 * table that reference the primary key columns of the primary key |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2907 * table. (describe how one table imports another's key) This |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2908 * should normally return a single foreign key/primary key pair |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2909 * (most tables only import a foreign key from a table once.) |
|
a5a898f6886c
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|
2910 * They are ordered by FKTABLE_CAT, FKTABLE_SCHEM, FKTABLE_NAME, and KEY_SEQ. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2911 * |
|
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|
2912 * <P>Each foreign key column description has the following columns: |
|
a5a898f6886c
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|
2913 * <OL> |
|
194
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|
2914 * <LI><B>PKTABLE_CAT</B> String => primary key table catalog (may be null) |
|
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|
2915 * <LI><B>PKTABLE_SCHEM</B> String => primary key table schema (may be null) |
|
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|
2916 * <LI><B>PKTABLE_NAME</B> String => primary key table name |
|
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|
2917 * <LI><B>PKCOLUMN_NAME</B> String => primary key column name |
|
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|
2918 * <LI><B>FKTABLE_CAT</B> String => foreign key table catalog (may be null) |
|
0
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|
2919 * being exported (may be null) |
|
194
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|
2920 * <LI><B>FKTABLE_SCHEM</B> String => foreign key table schema (may be null) |
|
0
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|
2921 * being exported (may be null) |
|
194
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|
2922 * <LI><B>FKTABLE_NAME</B> String => foreign key table name |
|
0
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|
2923 * being exported |
|
194
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|
2924 * <LI><B>FKCOLUMN_NAME</B> String => foreign key column name |
|
0
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|
2925 * being exported |
|
194
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|
2926 * <LI><B>KEY_SEQ</B> short => sequence number within foreign key |
|
0
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|
2927 * (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
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diff
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|
2928 * <LI><B>UPDATE_RULE</B> short => What happens to foreign key when primary is updated: |
|
0
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parents:
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changeset
|
2929 * <UL> |
|
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parents:
diff
changeset
|
2930 * <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>
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391
diff
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|
2931 * <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().
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391
diff
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|
2932 * <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().
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391
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|
2933 * <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>
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391
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|
2934 * <LI> importedKeySetDefault - change imported key to the default values if its primary key has been updated |
|
0
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|
2935 * </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>
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391
diff
changeset
|
2936 * <LI><B>DELETE_RULE</B> short => What happens to the foreign key when primary is deleted. |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2937 * <UL> |
|
a5a898f6886c
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parents:
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|
2938 * <LI> importedKeyNoAction - do not allow delete of primary key if it has been imported |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2939 * <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
|
2940 * <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
|
2941 * <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
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|
2942 * <LI> importedKeySetDefault - change imported key to the default values if its primary key has been deleted |
|
0
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|
2943 * </UL> |
|
194
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|
2944 * <LI><B>FK_NAME</B> String => foreign key identifier (may be null) |
|
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|
2945 * <LI><B>PK_NAME</B> String => primary key identifier (may be null) |
|
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|
2946 * <LI><B>DEFERRABILITY</B> short => can the evaluation of foreign key constraints be deferred until commit |
|
0
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
2947 * <UL> |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2948 * <LI> importedKeyInitiallyDeferred - see SQL92 for definition |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
2949 * <LI> importedKeyInitiallyImmediate - see SQL92 for definition |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
2950 * <LI> importedKeyNotDeferrable - see SQL92 for definition |
|
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|
2951 * </UL> |
|
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parents:
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|
2952 * </OL> |
|
a5a898f6886c
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parents:
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|
2953 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2954 * @param pcatalog primary key catalog name; "" retrieves those without a catalog |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2955 * @param pschema primary key schema name pattern; "" retrieves those without a schema |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
2956 * @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
|
2957 * 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
|
2958 * @param fcatalog foreign key catalog name; "" retrieves those without a catalog |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2959 * @param fschema foreign key schema name pattern; "" retrieves those without a schema |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
2960 * @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
|
2961 * 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
|
2962 * @return ResultSet each row is a foreign key column description |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2963 * @throws SQLException if a database error occurs |
|
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parents:
diff
changeset
|
2964 * @see #getImportedKeys |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
2965 */ |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2966 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2967 public ResultSet getCrossReference( |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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294
diff
changeset
|
2968 final String pcatalog, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
changeset
|
2969 final String pschema, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
changeset
|
2970 final String ptable, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
changeset
|
2971 final String fcatalog, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
changeset
|
2972 final String fschema, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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diff
changeset
|
2973 final String ftable |
|
0
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|
2974 ) throws SQLException |
|
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|
2975 { |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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diff
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|
2976 final StringBuilder query = new StringBuilder(keyQuery.length() + 350); |
|
0
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changeset
|
2977 query.append(keyQuery); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2978 |
|
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
|
2979 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
|
2980 || (fcatalog != null && !fcatalog.isEmpty())) { |
|
299
1f0324072b0c
Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
298
diff
changeset
|
2981 // non-empty catalog selection. |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2982 // 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
|
2983 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
|
2984 } 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
|
2985 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
|
2986 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
|
2987 } |
|
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
|
2988 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
|
2989 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
|
2990 } |
|
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
|
2991 |
|
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
|
2992 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
|
2993 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
|
2994 } |
|
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
|
2995 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
|
2996 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
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|
2997 } |
|
0
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2998 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2999 |
|
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
|
3000 // 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
|
3001 // 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
|
3002 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
|
3003 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3004 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3005 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3006 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3007 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3008 * 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
|
3009 * 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
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|
3010 * 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:
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|
3011 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
3012 * 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
|
3013 * 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>
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diff
changeset
|
3014 * 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
|
3015 * 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>
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diff
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|
3016 * If SQL distinct or structured types are supported, then information on |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
3017 * the individual types may be obtained from the getUDTs() method. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
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|
3018 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3019 * <P>Each type description has the following columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3020 * <OL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3021 * <LI><B>TYPE_NAME</B> String => Type name |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3022 * <LI><B>DATA_TYPE</B> int => 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
|
3023 * <LI><B>PRECISION</B> int => maximum precision |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3024 * <LI><B>LITERAL_PREFIX</B> String => 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
|
3025 * <LI><B>LITERAL_SUFFIX</B> String => 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
|
3026 * <LI><B>CREATE_PARAMS</B> String => parameters used in creating |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3027 * 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
|
3028 * <LI><B>NULLABLE</B> short => can you use NULL for this type? |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3029 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3030 * <LI> typeNoNulls - does not allow NULL values |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3031 * <LI> typeNullable - allows NULL values |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3032 * <LI> typeNullableUnknown - nullability unknown |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3033 * </UL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3034 * <LI><B>CASE_SENSITIVE</B> boolean=> 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
|
3035 * <LI><B>SEARCHABLE</B> short => 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
|
3036 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3037 * <LI> typePredNone - No support |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3038 * <LI> typePredChar - Only supported with WHERE .. LIKE |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3039 * <LI> typePredBasic - Supported except for WHERE .. LIKE |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3040 * <LI> typeSearchable - Supported for all WHERE .. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3041 * </UL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3042 * <LI><B>UNSIGNED_ATTRIBUTE</B> boolean => is it unsigned? |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3043 * <LI><B>FIXED_PREC_SCALE</B> boolean => 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
|
3044 * <LI><B>AUTO_INCREMENT</B> boolean => can it be used for an |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3045 * 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
|
3046 * <LI><B>LOCAL_TYPE_NAME</B> String => localized version of type name |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3047 * (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
|
3048 * <LI><B>MINIMUM_SCALE</B> short => minimum scale supported |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3049 * <LI><B>MAXIMUM_SCALE</B> short => maximum scale supported |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3050 * <LI><B>SQL_DATA_TYPE</B> int => unused |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3051 * <LI><B>SQL_DATETIME_SUB</B> int => unused |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3052 * <LI><B>NUM_PREC_RADIX</B> int => usually 2 or 10 |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3053 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3054 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3055 * @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
|
3056 * @throws SQLException if a database error occurs |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3057 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3058 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3059 public ResultSet getTypeInfo() throws SQLException { |
|
882
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3060 final StringBuilder query = new StringBuilder(4816); |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3061 query.append("SELECT \"sqlname\" AS \"TYPE_NAME\", " + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3062 "cast(").append(MonetDriver.getSQLTypeMap("\"sqlname\"")).append(" AS int) AS \"DATA_TYPE\", " + |
|
818
4117aa40a6b9
Fix the computed CHAR_OCTET_LENGTH value of resultsets returned by getColumns(), getFunctionColumns() and getProcedureColumns().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
817
diff
changeset
|
3063 "cast(CASE WHEN \"sqlname\" IN ('time','timetz','timestamp','timestamptz') THEN \"digits\" -1" + |
|
882
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3064 " ELSE \"digits\" END AS int) AS \"PRECISION\", " + // note that when radix is 2 the precision shows the number of bits |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3065 "cast(CASE WHEN \"sqlname\" IN ('char','varchar') THEN ''''" + |
|
642
dd9b4fb14256
Added recognition of 'xml' type.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
626
diff
changeset
|
3066 " 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
|
3067 " ELSE NULL END AS varchar(16)) AS \"LITERAL_PREFIX\", " + |
|
882
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3068 "cast(CASE WHEN \"sqlname\" IN ('char','varchar','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
|
3069 " 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
|
3070 "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
|
3071 " WHEN \"sqlname\" = 'decimal' THEN 'precision, scale'" + |
|
882
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3072 " WHEN \"sqlname\" IN ('time','timetz','timestamp','timestamptz') THEN 'scale'" + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3073 " ELSE NULL END AS \"CREATE_PARAMS\", " + |
|
759
846a456f0f0c
Remove append() calls for static int values in construction of Strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
757
diff
changeset
|
3074 "cast(CASE WHEN \"systemname\" = 'oid' THEN " + DatabaseMetaData.typeNoNulls + |
|
846a456f0f0c
Remove append() calls for static int values in construction of Strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
757
diff
changeset
|
3075 " ELSE " + DatabaseMetaData.typeNullable + " END AS smallint) AS \"NULLABLE\", " + |
|
642
dd9b4fb14256
Added recognition of 'xml' type.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
626
diff
changeset
|
3076 "CASE WHEN \"systemname\" IN ('str','json','url','xml') THEN true ELSE false END AS \"CASE_SENSITIVE\", " + |
|
759
846a456f0f0c
Remove append() calls for static int values in construction of Strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
757
diff
changeset
|
3077 "cast(CASE WHEN \"systemname\" IN ('str','inet','json','url','uuid','xml') THEN " + DatabaseMetaData.typeSearchable + |
|
846a456f0f0c
Remove append() calls for static int values in construction of Strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
757
diff
changeset
|
3078 " ELSE " + DatabaseMetaData.typePredBasic + " END AS smallint) AS \"SEARCHABLE\", " + |
|
882
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3079 "CASE WHEN \"sqlname\" IN ('tinyint','smallint','int','bigint','hugeint','decimal','real','double') 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
|
3080 "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
|
3081 "CASE WHEN \"sqlname\" IN ('tinyint','smallint','int','bigint') THEN true ELSE false END AS \"AUTO_INCREMENT\", " + |
|
882
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3082 "\"systemname\" AS \"LOCAL_TYPE_NAME\", " + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3083 "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
|
3084 "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)" + |
|
818
4117aa40a6b9
Fix the computed CHAR_OCTET_LENGTH value of resultsets returned by getColumns(), getFunctionColumns() and getProcedureColumns().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
817
diff
changeset
|
3085 " WHEN \"sqlname\" IN ('time','timetz','timestamp','timestamptz') THEN 6" + |
|
882
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3086 " 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
|
3087 "cast(0 AS int) AS \"SQL_DATA_TYPE\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3088 "cast(0 AS int) AS \"SQL_DATETIME_SUB\", " + |
|
882
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3089 "cast(CASE WHEN \"sqlname\" IN ('time','timetz','timestamp','timestamptz') 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
|
3090 "FROM \"sys\".\"types\" " + |
|
882
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3091 // exclude the 3 interval types here as they are added next |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3092 "WHERE \"sqlname\" NOT IN ('sec_interval','day_interval','month_interval') " + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3093 "UNION ALL " + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3094 // add the 13 interval types (like done in ODBC SQLGetTypeInfo()) |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3095 "SELECT \"TYPE_NAME\", 1111 AS \"DATA_TYPE\", PRECISION, 'interval ''' AS LITERAL_PREFIX, LITERAL_SUFFIX, CREATE_PARAMS, " + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3096 DatabaseMetaData.typeNullable + " AS NULLABLE, false AS CASE_SENSITIVE, " + DatabaseMetaData.typePredBasic + " AS SEARCHABLE, " + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3097 "false AS UNSIGNED_ATTRIBUTE, false AS FIXED_PREC_SCALE, false AS \"AUTO_INCREMENT\", LOCAL_TYPE_NAME, 0 AS MINIMUM_SCALE, " + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3098 "MAXIMUM_SCALE, 0 AS SQL_DATA_TYPE, 0 AS SQL_DATETIME_SUB, 10 AS NUM_PREC_RADIX " + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3099 "FROM (VALUES" + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3100 " ('interval year', 6, ''' year', CAST(NULL AS VARCHAR(5)), 'month_interval', 0)" + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3101 ",('interval month', 8, ''' month', NULL, 'month_interval', 0)" + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3102 ",('interval day', 10, ''' day', NULL, 'day_interval', 0)" + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3103 ",('interval hour', 12, ''' hour', NULL, 'sec_interval', 0)" + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3104 ",('interval minute', 12, ''' minute', NULL, 'sec_interval', 0)" + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3105 ",('interval second', 15, ''' second', 'scale', 'sec_interval', 3)" + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3106 ",('interval year to month', 8, ''' year to month', NULL, 'month_interval', 0)" + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3107 ",('interval day to hour', 12, ''' day to hour', NULL, 'sec_interval', 0)" + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3108 ",('interval day to minute', 12, ''' day to minute', NULL, 'sec_interval', 0)" + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3109 ",('interval day to second', 15, ''' day to second', 'scale', 'sec_interval', 3)" + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3110 ",('interval hour to minute', 12, ''' hour to minute', NULL, 'sec_interval', 0)" + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3111 ",('interval hour to second', 15, ''' hour to second', 'scale', 'sec_interval', 3)" + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3112 ",('interval minute to second', 15, ''' minute to second', 'scale', 'sec_interval', 3)" + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3113 ") AS interval_types(\"TYPE_NAME\", PRECISION, LITERAL_SUFFIX, CREATE_PARAMS, LOCAL_TYPE_NAME, MAXIMUM_SCALE) " + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3114 "UNION ALL " + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3115 // also add the 2 serial types (like done in ODBC SQLGetTypeInfo()) |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3116 "SELECT \"TYPE_NAME\", \"DATA_TYPE\", PRECISION, NULL AS LITERAL_PREFIX, NULL AS LITERAL_SUFFIX, NULL AS CREATE_PARAMS, " + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3117 DatabaseMetaData.typeNoNulls + " AS NULLABLE, false AS CASE_SENSITIVE, " + DatabaseMetaData.typePredBasic + " AS SEARCHABLE, " + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3118 "false AS UNSIGNED_ATTRIBUTE, false AS FIXED_PREC_SCALE, true AS \"AUTO_INCREMENT\", LOCAL_TYPE_NAME, 0 AS MINIMUM_SCALE, " + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3119 "0 AS MAXIMUM_SCALE, 0 AS SQL_DATA_TYPE, 0 AS SQL_DATETIME_SUB, 2 AS NUM_PREC_RADIX " + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3120 "FROM (VALUES" + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3121 " ('bigserial', -5, 64, 'bigint')" + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3122 ",('serial', 4, 32, 'int')" + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3123 ") AS serial_types(\"TYPE_NAME\", \"DATA_TYPE\", PRECISION, LOCAL_TYPE_NAME) " + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3124 "ORDER BY \"DATA_TYPE\", \"TYPE_NAME\""); |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3125 |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3126 // System.err.println("getTypeInfo() query: " + query.toString()); |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3127 // if (query.length() >= 4800) System.err.println("getTypeInfo(), extend query initial size to: " + query.length()); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3128 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3129 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3130 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3131 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3132 * 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
|
3133 * 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
|
3134 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3135 * <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
|
3136 * <OL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3137 * <LI><B>TABLE_CAT</B> String => 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
|
3138 * <LI><B>TABLE_SCHEM</B> String => 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
|
3139 * <LI><B>TABLE_NAME</B> String => table name |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3140 * <LI><B>NON_UNIQUE</B> boolean => Can index values be non-unique? |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3141 * 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
|
3142 * <LI><B>INDEX_QUALIFIER</B> String => index catalog (may be null); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3143 * 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
|
3144 * <LI><B>INDEX_NAME</B> String => index name; null when TYPE is |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3145 * tableIndexStatistic |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3146 * <LI><B>TYPE</B> short => index type: |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3147 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3148 * <LI> tableIndexStatistic - this identifies table statistics that are |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3149 * 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
|
3150 * <LI> tableIndexClustered - this is a clustered index |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3151 * <LI> tableIndexHashed - this is a hashed index |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3152 * <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
|
3153 * </UL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3154 * <LI><B>ORDINAL_POSITION</B> short => column sequence number |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3155 * 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
|
3156 * <LI><B>COLUMN_NAME</B> String => column name; null when TYPE is |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3157 * tableIndexStatistic |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3158 * <LI><B>ASC_OR_DESC</B> String => column sort sequence, "A" => ascending |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3159 * "D" => 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
|
3160 * 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
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|
3161 * <LI><B>CARDINALITY</B> int => When TYPE is tableIndexStatisic then |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3162 * 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
|
3163 * 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
|
3164 * <LI><B>PAGES</B> int => When TYPE is tableIndexStatisic then |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3165 * 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
|
3166 * 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
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|
3167 * <LI><B>FILTER_CONDITION</B> String => Filter condition, if any. |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3168 * (may be null) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3169 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3170 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3171 * @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
|
3172 * @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
|
3173 * @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
|
3174 * 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
|
3175 * @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
|
3176 * 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
|
3177 * @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
|
3178 * 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
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|
3179 * accurate |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3180 * @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
|
3181 * @throws SQLException if a database occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
3182 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3183 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3184 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
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|
3185 final String catalog, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
3186 final String schema, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
3187 final String table, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
3188 final boolean unique, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
3189 final boolean approximate |
|
0
a5a898f6886c
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parents:
diff
changeset
|
3190 ) throws SQLException |
|
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 String table_row_count = "0"; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
3193 |
|
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
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|
3194 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
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|
3195 && 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>
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300
diff
changeset
|
3196 && table != null && !table.isEmpty() && !table.contains("%")) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3197 // 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
|
3198 ResultSet count = null; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3199 try { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3200 count = executeMetaDataQuery("SELECT COUNT(*) FROM \"" + schema + "\".\"" + table + "\""); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3201 if (count != null && count.next()) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3202 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
|
3203 if (count_value != null && !count_value.isEmpty()) |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3204 table_row_count = count_value; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3205 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3206 } catch (SQLException e) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3207 // ignore |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3208 } 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
|
3209 MonetConnection.closeResultsetStatement(count, null); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3210 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3211 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3212 |
|
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
|
3213 final StringBuilder query = new StringBuilder(2500); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3214 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
|
3215 "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
|
3216 "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
|
3217 "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
|
3218 "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
|
3219 "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
|
3220 "i.\"name\" AS \"INDEX_NAME\", " + |
|
759
846a456f0f0c
Remove append() calls for static int values in construction of Strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
757
diff
changeset
|
3221 "CASE i.\"type\" WHEN 0 THEN " + DatabaseMetaData.tableIndexHashed + " ELSE " + DatabaseMetaData.tableIndexOther + " END AS \"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
|
3222 "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
|
3223 "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
|
3224 "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
|
3225 "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
|
3226 "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
|
3227 "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
|
3228 "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
|
3229 "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
|
3230 "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
|
3231 "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
|
3232 "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
|
3233 "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
|
3234 |
|
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 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
298
diff
changeset
|
3236 // non-empty catalog selection. |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3237 // 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
|
3238 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
|
3239 } 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
|
3240 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
|
3241 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
|
3242 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
|
3243 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
|
3244 } |
|
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
|
3245 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
|
3246 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
|
3247 .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
|
3248 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
|
3249 } |
|
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
|
3250 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
|
3251 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
|
3252 .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
|
3253 } |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3254 } |
|
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
|
3255 |
|
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
|
3256 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
|
3257 || (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
|
3258 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
|
3259 // 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
|
3260 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
|
3261 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
|
3262 "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
|
3263 "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
|
3264 "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
|
3265 "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
|
3266 "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
|
3267 "i.\"name\" AS \"INDEX_NAME\", " + |
|
759
846a456f0f0c
Remove append() calls for static int values in construction of Strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
757
diff
changeset
|
3268 "CASE i.\"type\" WHEN 0 THEN " + DatabaseMetaData.tableIndexHashed + " ELSE " + DatabaseMetaData.tableIndexOther + " END AS \"TYPE\", " + |
|
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
|
3269 "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
|
3270 "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
|
3271 "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
|
3272 "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
|
3273 "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
|
3274 "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
|
3275 "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
|
3276 "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
|
3277 "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
|
3278 "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
|
3279 "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
|
3280 "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
|
3281 |
|
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 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
|
3283 // 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
|
3284 // 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
|
3285 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
|
3286 } 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
|
3287 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
|
3288 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
|
3289 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
|
3290 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
|
3291 } |
|
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
|
3292 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
|
3293 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
|
3294 .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
|
3295 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
|
3296 } |
|
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
|
3297 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
|
3298 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
|
3299 .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
|
3300 } |
|
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
|
3301 } |
|
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
|
3302 } |
|
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
|
3303 |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3304 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
|
3305 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3306 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3307 } |
|
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 //== 1.2 methods (JDBC 2) |
|
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 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3312 * 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
|
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 * @return true if so; false otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3316 * @throws SQLException - if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3317 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3318 @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
|
3319 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
|
3320 // The only type we don't support |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3321 return type != ResultSet.TYPE_SCROLL_SENSITIVE; |
|
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 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3324 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3325 * 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
|
3326 * with the given result set type? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3327 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3328 * @param type - defined in java.sql.ResultSet |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3329 * @param concurrency - type defined in java.sql.ResultSet |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3330 * @return true if so; false otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3331 * @throws SQLException - if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3332 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3333 @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
|
3334 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
|
3335 throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3336 { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3337 // These combinations are not supported! |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3338 if (type == ResultSet.TYPE_SCROLL_SENSITIVE) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3339 return false; |
|
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 // We do only support Read Only ResultSets |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3342 if (concurrency != ResultSet.CONCUR_READ_ONLY) |
|
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 // 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
|
3346 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3347 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3348 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3349 /* lots of unsupported stuff... (no updatable ResultSet!) */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3350 @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
|
3351 public boolean ownUpdatesAreVisible(final int type) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3352 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3353 } |
|
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 @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
|
3356 public boolean ownDeletesAreVisible(final int type) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3357 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3358 } |
|
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 @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
|
3361 public boolean ownInsertsAreVisible(final int type) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3362 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3363 } |
|
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 @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
|
3366 public boolean othersUpdatesAreVisible(final int type) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3367 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3368 } |
|
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 @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
|
3371 public boolean othersDeletesAreVisible(final int i) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3372 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3373 } |
|
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 @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
|
3376 public boolean othersInsertsAreVisible(final int type) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3377 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3378 } |
|
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 @Override |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
3381 public boolean updatesAreDetected(final int type) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3382 return false; |
|
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 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3385 @Override |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
3386 public boolean deletesAreDetected(final int i) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3387 return false; |
|
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 @Override |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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diff
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|
3391 public boolean insertsAreDetected(final int type) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3392 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3393 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3394 |
|
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 * Indicates whether the driver supports batch updates. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3397 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3398 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3399 public boolean supportsBatchUpdates() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3400 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3401 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3402 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3403 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3404 * Retrieves a description of the user-defined types (UDTs) defined in a particular schema. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3405 * 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
|
3406 * Only types matching the catalog, schema, type name and type criteria are returned. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3407 * They are ordered by DATA_TYPE, TYPE_CAT, TYPE_SCHEM and TYPE_NAME. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3408 * 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
|
3409 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3410 * Each type description has the following columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3411 * |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3412 * 1 TYPE_CAT String => 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
|
3413 * 2 TYPE_SCHEM String => 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
|
3414 * 3 TYPE_NAME String => type name |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3415 * 4 CLASS_NAME String => Java class name |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3416 * 5 DATA_TYPE int => 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
|
3417 * 6 REMARKS String => 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
|
3418 * 7 BASE_TYPE short => 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
|
3419 * 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
|
3420 * 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
|
3421 * |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3422 * @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
|
3423 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3424 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3425 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
|
3426 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
|
3427 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
|
3428 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
|
3429 final int[] types |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3430 ) throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3431 { |
|
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
|
3432 final StringBuilder query = new StringBuilder(990); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3433 if (types != null && types.length > 0) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3434 query.append("SELECT * FROM ("); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3435 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3436 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
|
3437 "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
|
3438 "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
|
3439 "CASE t.\"sqlname\"" + |
|
642
dd9b4fb14256
Added recognition of 'xml' type.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
626
diff
changeset
|
3440 // 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
|
3441 " WHEN 'xml' THEN 'java.lang.String'" + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3442 " ELSE 'java.lang.Object' END AS \"CLASS_NAME\", " + |
|
761
e1389c0ffb7c
A few more places where we can remove append() calls for static int values in construction of Strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
759
diff
changeset
|
3443 "cast(CASE WHEN t.\"sqlname\" = 'xml' THEN " + Types.JAVA_OBJECT + |
|
e1389c0ffb7c
A few more places where we can remove append() calls for static int values in construction of Strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
759
diff
changeset
|
3444 " ELSE " + Types.STRUCT + " 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
|
3445 "t.\"systemname\" AS \"REMARKS\", " + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3446 "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
|
3447 "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
|
3448 "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
|
3449 // 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
|
3450 "WHERE t.\"id\" > 99" + |
|
2b763b189452
Corrected DatabaseMetaData.getUDTs() output.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
716
diff
changeset
|
3451 " AND t.\"eclass\" >= 18" + |
|
2b763b189452
Corrected DatabaseMetaData.getUDTs() output.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
716
diff
changeset
|
3452 " 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
|
3453 |
|
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
|
3454 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
298
diff
changeset
|
3455 // non-empty catalog selection. |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3456 // 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
|
3457 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
|
3458 } 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
|
3459 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
|
3460 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
|
3461 } |
|
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
|
3462 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
|
3463 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
|
3464 } |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3465 } |
|
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
|
3466 |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3467 if (types != null && types.length > 0) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3468 query.append(") AS getUDTs WHERE \"DATA_TYPE\" IN ("); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3469 for (int i = 0; i < types.length; i++) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3470 if (i > 0) { |
|
767
1547843b3a9b
Removed code to support old MonetDB servers Oct2014 or older.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
761
diff
changeset
|
3471 query.append(','); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3472 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3473 query.append(types[i]); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3474 } |
|
767
1547843b3a9b
Removed code to support old MonetDB servers Oct2014 or older.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
761
diff
changeset
|
3475 query.append(')'); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3476 } |
|
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
|
3477 |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3478 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
|
3479 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3480 return executeMetaDataQuery(query.toString()); |
|
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 |
|
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 * Retrieves the connection that produced this metadata object. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3485 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3486 * @return the connection that produced this metadata object |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3487 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3488 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3489 public Connection getConnection() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3490 return con; |
|
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 //== 1.4 methods (JDBC 3) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3494 |
|
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 * Retrieves whether this database supports savepoints. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3497 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3498 * @return <code>true</code> if savepoints are supported; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3499 * <code>false</code> otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3500 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3501 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3502 public boolean supportsSavepoints() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3503 return true; |
|
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 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3506 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3507 * 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
|
3508 * statements. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3509 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3510 * @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
|
3511 * <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 supportsNamedParameters() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3515 return false; |
|
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 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
|
3520 * returned from a <code>CallableStatement</code> object |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3521 * simultaneously. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3522 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3523 * @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
|
3524 * can return multiple <code>ResultSet</code> objects |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3525 * simultaneously; <code>false</code> otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3526 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3527 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3528 public boolean supportsMultipleOpenResults() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3529 return true; |
|
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 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3532 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3533 * 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
|
3534 * a statement has been executed. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3535 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3536 * @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
|
3537 * 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
|
3538 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3539 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3540 public boolean supportsGetGeneratedKeys() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3541 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3542 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3543 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3544 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3545 * 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
|
3546 * 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
|
3547 * 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
|
3548 * <P> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3549 * Only supertype information for UDTs matching the catalog, |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3550 * 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
|
3551 * 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
|
3552 * 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
|
3553 * ignored. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3554 * <P> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3555 * 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
|
3556 * 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
|
3557 * 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
|
3558 * columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3559 * <OL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3560 * <LI><B>TYPE_CAT</B> String => 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
|
3561 * <LI><B>TYPE_SCHEM</B> String => 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
|
3562 * <LI><B>TYPE_NAME</B> String => type name of the UDT |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
changeset
|
3563 * <LI><B>SUPERTYPE_CAT</B> String => the direct super type's catalog |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
3564 * (may be <code>null</code>) |
|
194
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
changeset
|
3565 * <LI><B>SUPERTYPE_SCHEM</B> String => the direct super type's schema |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3566 * (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
|
3567 * <LI><B>SUPERTYPE_NAME</B> String => the direct super type's name |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3568 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3569 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3570 * <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
|
3571 * empty result set is returned. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3572 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3573 * @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
|
3574 * <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
|
3575 * @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
|
3576 * @param typeNamePattern a UDT name pattern; may be a fully-qualified name |
|
0
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3577 * @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
|
3578 * about the designated UDT |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3579 * @throws SQLException if a database access error occurs |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3582 public ResultSet getSuperTypes( |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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294
diff
changeset
|
3583 final String catalog, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
changeset
|
3584 final String schemaPattern, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
changeset
|
3585 final String typeNamePattern |
|
0
a5a898f6886c
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parents:
diff
changeset
|
3586 ) throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3587 { |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
changeset
|
3588 final String query = |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3589 "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
|
3590 "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.
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|
3591 "WHERE 1=0"; |
|
0
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parents:
diff
changeset
|
3592 |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3593 return executeMetaDataQuery(query); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3594 } |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3595 |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3596 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3597 * Retrieves a description of the table hierarchies defined in a particular |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3598 * schema in this database. |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
3599 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
3600 * <P>Only supertable information for tables matching the catalog, schema |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3601 * and table name are returned. The table name parameter may be a fully- |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3602 * qualified name, in which case, the catalog and schemaPattern parameters |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
3603 * are ignored. If a table does not have a super table, it is not listed here. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
3604 * Supertables have to be defined in the same catalog and schema as the |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3605 * sub tables. Therefore, the type description does not need to include |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3606 * this information for the supertable. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
3607 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3608 * <P>Each type description has the following columns: |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
3609 * <OL> |
|
194
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|
3610 * <LI><B>TABLE_CAT</B> String => the type's catalog (may be <code>null</code>) |
|
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Resolved javadoc many errors and warnings, such as:
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186
diff
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|
3611 * <LI><B>TABLE_SCHEM</B> String => type's schema (may be <code>null</code>) |
|
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186
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|
3612 * <LI><B>TABLE_NAME</B> String => type name |
|
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|
3613 * <LI><B>SUPERTABLE_NAME</B> String => the direct super type's name |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3614 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3615 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3616 * <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
|
3617 * empty result set is returned. |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3618 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3619 * @param catalog a catalog name; "" retrieves those without a catalog; |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
3620 * <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>
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231
diff
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|
3621 * @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>
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diff
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|
3622 * @param tableNamePattern a table name pattern; may be a fully-qualified name |
|
0
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parents:
diff
changeset
|
3623 * @return a <code>ResultSet</code> object in which each row is a type description |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
3624 * @throws SQLException if a database access error occurs |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
3625 */ |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
3626 @Override |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
3627 public ResultSet getSuperTables( |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
3628 final String catalog, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
3629 final String schemaPattern, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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diff
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|
3630 final String tableNamePattern |
|
0
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parents:
diff
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|
3631 ) throws SQLException |
|
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|
3632 { |
|
295
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|
3633 final String query = |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3634 "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
|
3635 "'' 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
|
3636 "WHERE 1=0"; |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3637 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3638 return executeMetaDataQuery(query); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3639 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3640 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3641 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3642 * 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
|
3643 * 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
|
3644 * and catalog. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3645 * <P> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3646 * 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
|
3647 * 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
|
3648 * 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
|
3649 * does not contain inherited attributes. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3650 * <P> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3651 * 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
|
3652 * columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3653 * <OL> |
|
194
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
changeset
|
3654 * <LI><B>TYPE_CAT</B> String => type catalog (may be <code>null</code>) |
|
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
changeset
|
3655 * <LI><B>TYPE_SCHEM</B> String => type schema (may be <code>null</code>) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
changeset
|
3656 * <LI><B>TYPE_NAME</B> String => type name |
|
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
changeset
|
3657 * <LI><B>ATTR_NAME</B> String => attribute name |
|
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
changeset
|
3658 * <LI><B>DATA_TYPE</B> int => 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>
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186
diff
changeset
|
3659 * <LI><B>ATTR_TYPE_NAME</B> String => Data source dependent type name. |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3660 * 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
|
3661 * fully qualified and represents the target type of the reference type. |
|
194
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
changeset
|
3662 * <LI><B>ATTR_SIZE</B> int => column size. For char or date |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3663 * 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
|
3664 * decimal types this is precision. |
|
194
1296dbcc4958
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186
diff
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|
3665 * <LI><B>DECIMAL_DIGITS</B> int => the number of fractional digits |
|
1296dbcc4958
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186
diff
changeset
|
3666 * <LI><B>NUM_PREC_RADIX</B> int => Radix (typically either 10 or 2) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
3667 * <LI><B>NULLABLE</B> int => whether NULL is allowed |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3668 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3669 * <LI> attributeNoNulls - might not allow NULL values |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
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|
3670 * <LI> attributeNullable - definitely allows NULL values |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
3671 * <LI> attributeNullableUnknown - nullability unknown |
|
a5a898f6886c
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diff
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|
3672 * </UL> |
|
194
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186
diff
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|
3673 * <LI><B>REMARKS</B> String => comment describing column (may be <code>null</code>) |
|
1296dbcc4958
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186
diff
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|
3674 * <LI><B>ATTR_DEF</B> String => default value (may be <code>null</code>) |
|
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|
3675 * <LI><B>SQL_DATA_TYPE</B> int => unused |
|
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186
diff
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|
3676 * <LI><B>SQL_DATETIME_SUB</B> int => unused |
|
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186
diff
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|
3677 * <LI><B>CHAR_OCTET_LENGTH</B> int => for char types the |
|
0
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parents:
diff
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|
3678 * maximum number of bytes in the column |
|
194
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diff
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|
3679 * <LI><B>ORDINAL_POSITION</B> int => index of column in table |
|
0
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|
3680 * (starting at 1) |
|
194
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186
diff
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|
3681 * <LI><B>IS_NULLABLE</B> String => "NO" means column definitely |
|
0
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parents:
diff
changeset
|
3682 * does not allow NULL values; "YES" means the column might |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
3683 * allow NULL values. An empty string means unknown. |
|
194
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|
3684 * <LI><B>SCOPE_CATALOG</B> String => catalog of table that is the |
|
0
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changeset
|
3685 * scope of a reference attribute (<code>null</code> if DATA_TYPE isn't REF) |
|
194
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|
3686 * <LI><B>SCOPE_SCHEMA</B> String => schema of table that is the |
|
0
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changeset
|
3687 * scope of a reference attribute (<code>null</code> if DATA_TYPE isn't REF) |
|
194
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
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|
3688 * <LI><B>SCOPE_TABLE</B> String => table name that is the scope of a |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3689 * 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
|
3690 * <LI><B>SOURCE_DATA_TYPE</B> short => source type of a distinct type or user-generated |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3691 * 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
|
3692 * isn't DISTINCT or user-generated REF) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3693 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3694 * @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
|
3695 * 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
|
3696 * <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
|
3697 * the search |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3698 * @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
|
3699 * 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
|
3700 * <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
|
3701 * the search |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3702 * @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
|
3703 * 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
|
3704 * @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
|
3705 * name as it is declared in the database |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3706 * @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
|
3707 * attribute description |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3708 * @throws SQLException if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3709 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3710 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3711 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
|
3712 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
|
3713 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
|
3714 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
|
3715 final String attributeNamePattern |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3716 ) throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3717 { |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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294
diff
changeset
|
3718 final String query = |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3719 "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
|
3720 "'' 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
|
3721 "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
|
3722 "'' 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
|
3723 "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
|
3724 "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
|
3725 "'' 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
|
3726 "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
|
3727 "WHERE 1=0"; |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3728 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3729 return executeMetaDataQuery(query); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3730 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3731 |
|
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 * 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
|
3734 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3735 * @param holdability one of the following constants: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3736 * <code>ResultSet.HOLD_CURSORS_OVER_COMMIT</code> or |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3737 * <code>ResultSet.CLOSE_CURSORS_AT_COMMIT</code> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3738 * @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
|
3739 * @see Connection |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3740 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3741 @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
|
3742 public boolean supportsResultSetHoldability(final int holdability) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3743 // 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
|
3744 // 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
|
3745 return holdability == ResultSet.HOLD_CURSORS_OVER_COMMIT; |
|
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 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3749 * 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
|
3750 * object. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3751 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3752 * @return the default holdability; either |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3753 * <code>ResultSet.HOLD_CURSORS_OVER_COMMIT</code> or |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3754 * <code>ResultSet.CLOSE_CURSORS_AT_COMMIT</code> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3755 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3756 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3757 public int getResultSetHoldability() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3758 return ResultSet.HOLD_CURSORS_OVER_COMMIT; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3759 } |
|
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 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3762 * 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
|
3763 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3764 * @return the underlying database's major version |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3765 * @throws SQLException if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3766 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3767 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3768 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
|
3769 return con.getDatabaseMajorVersion(); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3770 } |
|
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 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3773 * 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
|
3774 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3775 * @return underlying database's minor version |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3776 * @throws SQLException if a database access error occurs |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3779 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
|
3780 return con.getDatabaseMinorVersion(); |
|
0
a5a898f6886c
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parents:
diff
changeset
|
3781 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3782 |
|
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 * Retrieves the major JDBC version number for this driver. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3785 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3786 * @return JDBC version major number |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3787 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3788 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3789 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
|
3790 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
|
3791 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3792 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3793 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3794 * 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
|
3795 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3796 * @return JDBC version minor number |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3797 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3798 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3799 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
|
3800 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
|
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 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3804 * 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
|
3805 * 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
|
3806 * @return the type of SQLSTATEs, one of: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3807 * sqlStateXOpen or |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3808 * sqlStateSQL |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3809 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3810 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3811 public int getSQLStateType() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3812 // 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
|
3813 return DatabaseMetaData.sqlStateSQL; |
|
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 |
|
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 * 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
|
3818 * to the LOB. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3819 * @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
|
3820 * <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
|
3821 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3822 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3823 public boolean locatorsUpdateCopy() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3824 // 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
|
3825 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3826 } |
|
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 * Retrieves whether this database supports statement pooling. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3830 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3831 * @return <code>true</code> is so; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3832 <code>false</code> otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3833 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3834 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3835 public boolean supportsStatementPooling() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3836 // For the moment, I don't think so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3837 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3838 } |
|
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 //== 1.6 methods (JDBC 4) |
|
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 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3843 * 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
|
3844 * 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
|
3845 * valid. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3846 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3847 * @return ROWID_UNSUPPORTED for now |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3848 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3849 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3850 public RowIdLifetime getRowIdLifetime() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3851 // I believe we don't do rowids |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3852 return RowIdLifetime.ROWID_UNSUPPORTED; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3853 } |
|
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 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3856 * 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
|
3857 * are ordered by schema name. |
|
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 * <P>The schema column is: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3860 * <OL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3861 * <LI><B>TABLE_SCHEM</B> String => schema name |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3862 * <LI><B>TABLE_CATALOG</B> String => catalog name (may be null) |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3863 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3864 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3865 * @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
|
3866 * schema name |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3867 * @throws SQLException if a database error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3868 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3869 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3870 public ResultSet getSchemas() throws SQLException { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3871 return getSchemas(null, null); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3872 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3873 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3874 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3875 * 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
|
3876 * vendor functions using the stored procedure escape syntax. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3877 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3878 * @return true if so; false otherwise |
|
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 @Override |
|
736
f317b37bad30
In MonetCallableStatement constructor skip calling removeEscapes() when the connected server supports ODBC/JDBC escape sequence syntax.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
734
diff
changeset
|
3881 public boolean supportsStoredFunctionsUsingCallSyntax() { |
|
f317b37bad30
In MonetCallableStatement constructor skip calling removeEscapes() when the connected server supports ODBC/JDBC escape sequence syntax.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
734
diff
changeset
|
3882 return con.supportsEscapeSequenceSyntax(); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3883 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3884 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3885 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3886 * Retrieves whether a SQLException while autoCommit is true |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3887 * 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
|
3888 * 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
|
3889 * 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
|
3890 * 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
|
3891 * 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
|
3892 * or not holdable ResultSets are closed. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3893 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3894 * @return true if so; false otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3895 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3896 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3897 public boolean autoCommitFailureClosesAllResultSets() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3898 // 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
|
3899 // 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
|
3900 // failure either. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3901 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3902 } |
|
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 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3905 * 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
|
3906 * 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
|
3907 * 1. NAME String => 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
|
3908 * 2. MAX_LEN int => 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
|
3909 * 3. DEFAULT_VALUE String => 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
|
3910 * 4. DESCRIPTION String => 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
|
3911 * 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
|
3912 * 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
|
3913 * The ResultSet is sorted by the NAME column |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3914 * |
|
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
|
3915 * @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
|
3916 * @throws SQLException if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3917 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3918 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3919 public ResultSet getClientInfoProperties() throws SQLException { |
|
757
7f68120de37c
Corrected DatabaseMetaData method getClientProperties().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
755
diff
changeset
|
3920 // MonetDB currently does not support any client properties, 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
|
3921 final String query = |
|
757
7f68120de37c
Corrected DatabaseMetaData method getClientProperties().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
755
diff
changeset
|
3922 "SELECT cast(null as varchar(64)) AS \"NAME\", " + |
|
7f68120de37c
Corrected DatabaseMetaData method getClientProperties().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
755
diff
changeset
|
3923 "cast(0 as int) AS \"MAX_LEN\", " + |
|
7f68120de37c
Corrected DatabaseMetaData method getClientProperties().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
755
diff
changeset
|
3924 "cast(null as varchar(128)) AS \"DEFAULT_VALUE\", " + |
|
7f68120de37c
Corrected DatabaseMetaData method getClientProperties().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
755
diff
changeset
|
3925 "cast(null as varchar(128)) AS \"DESCRIPTION\" " + |
|
7f68120de37c
Corrected DatabaseMetaData method getClientProperties().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
755
diff
changeset
|
3926 "WHERE 1=0"; |
|
0
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 return executeMetaDataQuery(query); |
|
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 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3931 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3932 * 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
|
3933 * available in the given catalog. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3934 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3935 * 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
|
3936 * 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
|
3937 * 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
|
3938 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3939 * Each function description has the the following columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3940 * |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3941 * 1. FUNCTION_CAT String => 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
|
3942 * 2. FUNCTION_SCHEM String => 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
|
3943 * 3. FUNCTION_NAME String => function name. This is the |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3944 * 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
|
3945 * 4. REMARKS String => 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
|
3946 * 5. FUNCTION_TYPE short => kind of function: |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3947 * * functionResultUnknown - Cannot determine if a return |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3948 * value or table will be returned |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3949 * * functionNoTable- Does not return a table |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3950 * * 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
|
3951 * 6. SPECIFIC_NAME String => the name which uniquely identifies |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3952 * 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
|
3953 * 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
|
3954 * FUNCTION_NAME for example with overload functions |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3955 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3956 * 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
|
3957 * that are returned by getFunctions. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3958 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3959 * @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
|
3960 * 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
|
3961 * 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
|
3962 * used to narrow the search |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3963 * @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
|
3964 * 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
|
3965 * 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
|
3966 * not be used to narrow the search |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3967 * @param functionNamePattern a function name pattern; must match |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3968 * 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
|
3969 * 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
|
3970 * @return ResultSet - each row is a function description |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3971 * @throws SQLException if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3972 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3973 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3974 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
|
3975 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
|
3976 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
|
3977 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
|
3978 ) throws SQLException |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3979 { |
|
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
|
3980 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
|
3981 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
|
3982 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
|
3983 "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
|
3984 "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
|
3985 .append(useCommentsTable ? "COALESCE(cm.\"remark\", cast(f.\"func\" as varchar(9999)))" : "cast(f.\"func\" as varchar(9999))").append(" AS \"REMARKS\", " + |
|
759
846a456f0f0c
Remove append() calls for static int values in construction of Strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
757
diff
changeset
|
3986 "CASE WHEN f.\"type\" IN (1,2,3,4,6) THEN " + DatabaseMetaData.functionNoTable + |
|
846a456f0f0c
Remove append() calls for static int values in construction of Strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
757
diff
changeset
|
3987 " WHEN f.\"type\" IN (5,7) THEN " + DatabaseMetaData.functionReturnsTable + |
|
846a456f0f0c
Remove append() calls for static int values in construction of Strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
757
diff
changeset
|
3988 " ELSE " + DatabaseMetaData.functionResultUnknown + " END AS \"FUNCTION_TYPE\", " + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3989 // 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
|
3990 "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
|
3991 "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
|
3992 "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
|
3993 if (useCommentsTable) { |
|
759
846a456f0f0c
Remove append() calls for static int values in construction of Strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
757
diff
changeset
|
3994 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
|
3995 } |
|
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
|
3996 // 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
|
3997 query.append("WHERE f.\"type\" <> 2"); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3998 |
|
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
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|
3999 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
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diff
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|
4000 // non-empty catalog selection. |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
4001 // 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.
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350
diff
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|
4002 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>
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215
diff
changeset
|
4003 } 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
|
4004 if (schemaPattern != null && !schemaPattern.equals("%")) { |
|
302
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
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diff
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|
4005 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
|
4006 } |
|
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
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|
4007 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
|
4008 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
|
4009 } |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4010 } |
|
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 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
|
4013 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4014 return executeMetaDataQuery(query.toString()); |
|
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 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4017 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4018 * 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
|
4019 * function parameters and return type. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4020 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4021 * 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
|
4022 * 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
|
4023 * 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
|
4024 * The column descriptions follow in column number order. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4025 * |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4026 * 1. FUNCTION_CAT String => 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
|
4027 * 2. FUNCTION_SCHEM String => function schema (may be null) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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parents:
186
diff
changeset
|
4028 * 3. FUNCTION_NAME String => 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
|
4029 * 4. COLUMN_NAME String => column/parameter name |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4030 * 5. COLUMN_TYPE Short => kind of column/parameter: |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4031 * functionColumnUnknown - nobody knows |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4032 * functionColumnIn - IN parameter |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4033 * functionColumnInOut - INOUT parameter |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4034 * functionColumnOut - OUT parameter |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4035 * functionColumnReturn - function return value |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4036 * 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
|
4037 * 6. DATA_TYPE int => 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
|
4038 * 7. TYPE_NAME String => 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
|
4039 * 8. PRECISION int => precision |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4040 * 9. LENGTH int => 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
|
4041 * 10. SCALE short => 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
|
4042 * 11. RADIX short => radix |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4043 * 12. NULLABLE short => can it contain NULL. |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4044 * functionNoNulls - does not allow NULL values |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4045 * functionNullable - allows NULL values |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4046 * 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
|
4047 * 13. REMARKS String => 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
|
4048 * 14. CHAR_OCTET_LENGTH int => 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
|
4049 * 15. ORDINAL_POSITION int => 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
|
4050 * 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
|
4051 * 16. IS_NULLABLE String => 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
|
4052 * 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
|
4053 * 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
|
4054 * 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
|
4055 * 17. SPECIFIC_NAME String => 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
|
4056 * 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
|
4057 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4058 * @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
|
4059 * 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
|
4060 * 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
|
4061 * used to narrow the search |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4062 * @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
|
4063 * 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
|
4064 * 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
|
4065 * not be used to narrow the search |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4066 * @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
|
4067 * 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
|
4068 * 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
|
4069 * @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
|
4070 * 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
|
4071 * 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
|
4072 * @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
|
4073 * column or return type |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4074 * @throws SQLException - if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4075 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4076 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4077 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
|
4078 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
|
4079 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
|
4080 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
|
4081 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
|
4082 ) throws SQLException |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4083 { |
|
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
|
4084 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
|
4085 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
|
4086 "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
|
4087 "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
|
4088 "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
|
4089 "cast(CASE a.\"inout\"" + |
|
759
846a456f0f0c
Remove append() calls for static int values in construction of Strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
757
diff
changeset
|
4090 " WHEN 0 THEN (CASE a.\"number\" WHEN 0 THEN " + DatabaseMetaData.functionReturn + " ELSE " + DatabaseMetaData.functionColumnOut + " END)" + |
|
846a456f0f0c
Remove append() calls for static int values in construction of Strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
757
diff
changeset
|
4091 " WHEN 1 THEN " + DatabaseMetaData.functionColumnIn + |
|
846a456f0f0c
Remove append() calls for static int values in construction of Strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
757
diff
changeset
|
4092 " ELSE " + DatabaseMetaData.functionColumnUnknown + " 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
|
4093 "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
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|
4094 "a.\"type\" AS \"TYPE_NAME\", " + |
|
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
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|
4095 "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
|
4096 " 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
|
4097 "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
|
4098 " 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
|
4099 "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
|
4100 "'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
|
4101 "cast(CASE WHEN a.\"type\" IN ('tinyint','smallint','int','bigint','hugeint','oid','wrd','decimal','numeric','day_interval','month_interval','sec_interval') THEN 10" + |
|
302
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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300
diff
changeset
|
4102 " WHEN a.\"type\" IN ('real','float','double') THEN 2 ELSE NULL END AS smallint) AS \"RADIX\", " + |
|
759
846a456f0f0c
Remove append() calls for static int values in construction of Strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
757
diff
changeset
|
4103 // mvd: do not remove next append. The String above is same as used by getProcedureColumns, so shared in class file. |
|
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
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|
4104 "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
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|
4105 "cast(null as char(1)) AS \"REMARKS\", " + |
|
822
ad4491372c2c
Prevent sql processor to produce server msg: mul_int_bte_int: ERROR: 22003!overflow in calculation 2147483647*4.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
818
diff
changeset
|
4106 "cast(CASE WHEN a.\"type\" IN ('varchar','clob','char','json','url','xml') THEN 4 * cast(a.\"type_digits\" as bigint) WHEN a.\"type\" = 'blob' THEN a.\"type_digits\" ELSE NULL END as bigint) AS \"CHAR_OCTET_LENGTH\", " + |
|
302
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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300
diff
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|
4107 "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>
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|
4108 "cast('' as varchar(3)) AS \"IS_NULLABLE\", " + |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
4109 // the specific name contains the function id, in order to be able to match the args to the correct overloaded function name |
|
302
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|
4110 "cast(f.\"id\" as varchar(10)) AS \"SPECIFIC_NAME\" " + |
|
1b6c514106ce
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diff
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|
4111 "FROM \"sys\".\"args\" a " + |
|
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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300
diff
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|
4112 "JOIN \"sys\".\"functions\" f ON a.\"func_id\" = f.\"id\" " + |
|
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
4113 "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>
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213
diff
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|
4114 // only functions, so exclude procedures (type = 2). Those will to be returned via getProcedureColumns() |
|
302
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|
4115 "WHERE f.\"type\" <> 2"); |
|
0
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diff
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|
4116 |
|
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
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|
4117 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
298
diff
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|
4118 // non-empty catalog selection. |
|
0
a5a898f6886c
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parents:
diff
changeset
|
4119 // 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
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|
4120 query.append(" AND 1=0"); |
|
216
116b5a149fb4
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
215
diff
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|
4121 } 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
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|
4122 if (schemaPattern != null && !schemaPattern.equals("%")) { |
|
302
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300
diff
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|
4123 query.append(" AND s.\"name\" ").append(composeMatchPart(schemaPattern)); |
|
216
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parents:
215
diff
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|
4124 } |
|
323
8701024a9bb0
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
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|
4125 if (functionNamePattern != null && !functionNamePattern.equals("%")) { |
|
302
1b6c514106ce
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|
4126 query.append(" AND f.\"name\" ").append(composeMatchPart(functionNamePattern)); |
|
216
116b5a149fb4
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215
diff
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|
4127 } |
|
323
8701024a9bb0
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
306
diff
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|
4128 if (columnNamePattern != null && !columnNamePattern.equals("%")) { |
|
302
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diff
changeset
|
4129 query.append(" AND a.\"name\" ").append(composeMatchPart(columnNamePattern)); |
|
216
116b5a149fb4
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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215
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|
4130 } |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
4131 } |
|
216
116b5a149fb4
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
4132 |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4133 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
|
4134 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4135 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4136 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4137 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4138 //== 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
|
4139 |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4140 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4141 * 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
|
4142 * 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
|
4143 * 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
|
4144 * 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
|
4145 * 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
|
4146 * necessarily be able to be modified. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4147 * 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
|
4148 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4149 * 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
|
4150 * 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
|
4151 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4152 * Each column description has the following columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
4153 * |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4154 * 1. TABLE_CAT String => 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
|
4155 * 2. TABLE_SCHEM String => 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
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|
4156 * 3. TABLE_NAME String => table name |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4157 * 4. COLUMN_NAME String => column name |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
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|
4158 * 5. DATA_TYPE int => 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
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|
4159 * 6. COLUMN_SIZE int => column size. |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
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|
4160 * 7. DECIMAL_DIGITS int => 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
|
4161 * 8. NUM_PREC_RADIX int => 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
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|
4162 * 9. COLUMN_USAGE String => 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
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|
4163 * 10. REMARKS String => 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
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|
4164 * 11. CHAR_OCTET_LENGTH int => 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>
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186
diff
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|
4165 * 12. IS_NULLABLE String => ISO rules are used to determine the nullability for a column. |
|
0
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
4166 * YES --- if the column can include NULLs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4167 * NO --- if the column cannot include NULLs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
4168 * 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
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|
4169 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
4170 * @param catalog a catalog name |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
4171 * @param schemaPattern a schema name pattern |
|
a5a898f6886c
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parents:
diff
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|
4172 * @param tableNamePattern a table name pattern |
|
a5a898f6886c
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parents:
diff
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|
4173 * @param columnNamePattern a column name pattern |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
4174 * @return ResultSet where each row is a column description |
|
a5a898f6886c
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parents:
diff
changeset
|
4175 * @throws SQLException if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
4176 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
4177 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
4178 public ResultSet getPseudoColumns( |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
4179 final String catalog, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
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|
4180 final String schemaPattern, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
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|
4181 final String tableNamePattern, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
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|
4182 final String columnNamePattern |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
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|
4183 ) throws SQLException |
|
0
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diff
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|
4184 { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
4185 // 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
|
4186 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
|
4187 "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
|
4188 "'' 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
|
4189 "'' 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
|
4190 "'' 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
|
4191 "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
|
4192 "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
|
4193 "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
|
4194 "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
|
4195 "'' 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
|
4196 "'' 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
|
4197 "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
|
4198 "'' 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
|
4199 "WHERE 1=0"; |
|
0
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 return executeMetaDataQuery(query); |
|
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 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4204 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4205 * 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
|
4206 * 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
|
4207 * 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
|
4208 * 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
|
4209 * generated key. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4210 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4211 * @return true if so, false otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4212 * @throws SQLException - if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4213 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4214 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4215 public boolean generatedKeyAlwaysReturned() throws SQLException { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4216 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4217 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4218 |
|
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
|
4219 //== 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
|
4220 |
|
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
263
diff
changeset
|
4221 /** |
|
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
263
diff
changeset
|
4222 * 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
|
4223 * 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
|
4224 * @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
|
4225 */ |
|
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
263
diff
changeset
|
4226 @Override |
|
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
263
diff
changeset
|
4227 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
|
4228 return 0; |
|
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 |
|
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
263
diff
changeset
|
4231 /** |
|
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
263
diff
changeset
|
4232 * 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
|
4233 * 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
|
4234 * @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
|
4235 */ |
|
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
263
diff
changeset
|
4236 @Override |
|
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
263
diff
changeset
|
4237 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
|
4238 return false; |
|
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
263
diff
changeset
|
4239 } |
|
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
263
diff
changeset
|
4240 |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4241 //== 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
|
4242 |
|
a91168efdf27
Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
302
diff
changeset
|
4243 |
|
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
|
4244 //== 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
|
4245 |
|
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 /** |
|
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 * 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
|
4248 * 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
|
4249 * 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
|
4250 * |
|
bdeabbd46ec6
Resolve javac and javadoc warnings when compiled with JDK19.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
682
diff
changeset
|
4251 * @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
|
4252 * @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
|
4253 * @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
|
4254 */ |
|
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
|
4255 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
|
4256 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
|
4257 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
|
4258 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
|
4259 // 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
|
4260 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
|
4261 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
|
4262 /* 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
|
4263 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
|
4264 } 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
|
4265 /* 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
|
4266 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
|
4267 } |
|
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 } |
|
e8962bdaa206
Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
331
diff
changeset
|
4269 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
|
4270 } |
|
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
|
4271 |
|
a91168efdf27
Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
302
diff
changeset
|
4272 /** |
|
427
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4273 * 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
|
4274 * - 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
|
4275 * - 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
|
4276 * - 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
|
4277 * |
|
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4278 * 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
|
4279 * 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
|
4280 * |
|
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 * @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
|
4282 * @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
|
4283 */ |
|
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
|
4284 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
|
4285 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
|
4286 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
|
4287 |
|
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
|
4288 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
|
4289 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
|
4290 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
|
4291 |
|
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 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
|
4293 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
|
4294 |
|
427
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4295 // 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
|
4296 // 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
|
4297 // 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
|
4298 // 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
|
4299 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
|
4300 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
|
4301 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
|
4302 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
|
4303 try { |
|
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4304 // 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
|
4305 // 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
|
4306 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
|
4307 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
|
4308 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
|
4309 case '\\': |
|
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4310 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
|
4311 // 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
|
4312 sb.append(c).append(c); |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4313 escaped = false; |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4314 } else { |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4315 escaped = true; |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4316 } |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4317 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
|
4318 case '%': |
|
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4319 case '_': |
|
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4320 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
|
4321 removed_bs = true; |
|
440
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4322 escaped = false; |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4323 } 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
|
4324 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
|
4325 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
|
4326 } |
|
440
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4327 sb.append(c); |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4328 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
|
4329 default: |
|
440
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4330 if (escaped) { |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4331 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
|
4332 escaped = false; |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4333 } |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4334 sb.append(c); |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4335 break; |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4336 } |
|
427
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4337 } |
|
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4338 } 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
|
4339 /* ignore */ |
|
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4340 } |
|
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4341 |
|
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4342 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
|
4343 // 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
|
4344 // 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
|
4345 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
|
4346 } |
|
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4347 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
|
4348 // 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
|
4349 // 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
|
4350 // 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
|
4351 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
|
4352 } |
|
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4353 // 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
|
4354 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
|
4355 } |
|
a91168efdf27
Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
302
diff
changeset
|
4356 |
|
a91168efdf27
Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
302
diff
changeset
|
4357 //== end helper methods |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4358 } |