Mercurial > hg > monetdb-java
annotate src/main/java/org/monetdb/jdbc/MonetDatabaseMetaData.java @ 761:e1389c0ffb7c
A few more places where we can remove append() calls for static int values in construction of Strings.
| author | Martin van Dinther <martin.van.dinther@monetdbsolutions.com> |
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| date | Thu, 29 Jun 2023 16:42:06 +0200 (22 months ago) |
| parents | 846a456f0f0c |
| children | 1547843b3a9b |
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1 /* |
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2 * This Source Code Form is subject to the terms of the Mozilla Public |
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3 * License, v. 2.0. If a copy of the MPL was not distributed with this |
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4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. |
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5 * |
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Updated Copyright year.
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6 * Copyright 1997 - July 2008 CWI, August 2008 - 2023 MonetDB B.V. |
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7 */ |
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8 |
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Moved Java classes from packages starting with nl.cwi.monetdb.* to package org.monetdb.*
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9 package org.monetdb.jdbc; |
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10 |
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11 import java.sql.Connection; |
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12 import java.sql.DatabaseMetaData; |
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13 import java.sql.Statement; |
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14 import java.sql.SQLException; |
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15 import java.sql.ResultSet; |
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16 import java.sql.ResultSetMetaData; |
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17 import java.sql.RowIdLifetime; |
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18 import java.sql.Types; |
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19 |
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20 /** |
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21 * A DatabaseMetaData object suitable for the MonetDB database. |
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22 * |
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23 * @author Fabian Groffen |
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24 * @author Martin van Dinther |
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25 * @version 1.0 |
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26 */ |
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27 public final class MonetDatabaseMetaData |
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28 extends MonetWrapper |
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29 implements DatabaseMetaData |
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30 { |
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31 private final MonetConnection con; |
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32 |
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33 /** |
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34 * Constructor |
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35 * @param parent the parent MonetConnection object. |
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36 */ |
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37 public MonetDatabaseMetaData(final MonetConnection parent) { |
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38 con = parent; |
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39 } |
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40 |
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41 /** |
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42 * Retrieves whether the current user can call all the procedures |
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43 * returned by the method getProcedures. |
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44 * |
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45 * @return false because we currently return all procedures from sys.functions |
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46 * and do not filter on EXECUTE privilege or procedure ownership. |
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47 */ |
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48 @Override |
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49 public boolean allProceduresAreCallable() { |
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50 return false; |
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51 } |
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52 |
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53 /** |
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54 * Retrieves whether the current user can use all the tables |
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55 * returned by the method getTables in a SELECT statement. |
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56 * |
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57 * @return false because we currently return all tables from sys.tables |
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58 * and do not filter on SELECT privilege or table ownership. |
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59 */ |
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60 @Override |
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61 public boolean allTablesAreSelectable() { |
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62 return false; |
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63 } |
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64 |
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65 /** |
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66 * What is the URL for this database? |
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67 * |
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68 * @return a reconstructed connection string |
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69 * @throws SQLException if a database access error occurs |
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70 */ |
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71 @Override |
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72 public String getURL() throws SQLException { |
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73 return con.getJDBCURL(); |
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74 } |
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75 |
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76 /** |
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77 * What is our user name as known to the database? |
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78 * |
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79 * @return sql user |
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80 * @throws SQLException if a database access error occurs |
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81 */ |
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82 @Override |
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83 public String getUserName() throws SQLException { |
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84 return con.getUserName(); |
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85 } |
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86 |
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87 /** |
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88 * Is the database in read-only mode? |
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89 * |
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90 * @return always false for now |
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91 */ |
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92 @Override |
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93 public boolean isReadOnly() { |
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94 return false; |
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95 } |
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96 |
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97 /** |
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98 * Retrieves whether NULL values are sorted high. Sorted high means |
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99 * that NULL values sort higher than any other value in a domain. |
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100 * In an ascending order, if this method returns true, NULL values will appear at the end. |
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101 * By contrast, the method nullsAreSortedAtEnd indicates whether NULL values are sorted at the end regardless of sort order. |
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102 * |
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103 * @return false because MonetDB shows NULL values at the beginning upon ORDER BY .. ASC, not at the end |
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104 * @see #nullsAreSortedLow() |
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105 */ |
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106 @Override |
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107 public boolean nullsAreSortedHigh() { |
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108 return false; |
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109 } |
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110 |
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111 /** |
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112 * Retrieves whether NULL values are sorted low. Sorted low means |
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113 * that NULL values sort lower than any other value in a domain. |
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114 * In an ascending order, if this method returns true, NULL values will appear at the beginning. |
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115 * By contrast, the method nullsAreSortedAtStart indicates whether NULL values are sorted at the beginning regardless of sort order. |
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116 * |
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117 * @return true because MonetDB shows NULL values at the beginning upon ORDER BY .. ASC |
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118 * @see #nullsAreSortedHigh() |
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119 */ |
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120 @Override |
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121 public boolean nullsAreSortedLow() { |
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122 return true; |
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123 } |
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124 |
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125 /** |
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126 * Are NULL values sorted at the start regardless of sort order? |
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127 * |
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128 * @return false, since MonetDB doesn't do this |
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129 */ |
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130 @Override |
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131 public boolean nullsAreSortedAtStart() { |
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132 return false; |
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133 } |
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134 |
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135 /** |
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136 * Are NULL values sorted at the end regardless of sort order? |
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137 * |
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138 * @return false, since MonetDB doesn't do this |
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139 */ |
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140 @Override |
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141 public boolean nullsAreSortedAtEnd() { |
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142 return false; |
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143 } |
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144 |
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145 /** |
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146 * What is the name of this database product - this should be MonetDB |
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147 * of course, so we return that explicitly. |
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148 * |
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149 * @return the database product name |
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150 */ |
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151 @Override |
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152 public String getDatabaseProductName() { |
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153 return "MonetDB"; |
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154 } |
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155 |
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156 /** |
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157 * What is the version of this database product. |
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158 * |
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159 * @return the mserver5 version number string |
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160 * @throws SQLException if a database access error occurs |
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161 */ |
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162 @Override |
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163 public String getDatabaseProductVersion() throws SQLException { |
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164 return con.getDatabaseProductVersion(); |
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165 } |
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166 |
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167 /** |
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168 * What is the name of this JDBC driver? |
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169 * |
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170 * @return the JDBC driver name |
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171 */ |
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172 @Override |
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173 public String getDriverName() { |
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174 return "MonetDB Native Driver"; |
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175 } |
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176 |
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177 /** |
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178 * Retrieves the version number of this JDBC driver as a String. |
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179 * |
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180 * @return the JDBC driver version string |
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181 */ |
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182 @Override |
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183 public String getDriverVersion() { |
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184 return MonetDriver.getDriverVersion(); |
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185 } |
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186 |
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187 /** |
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188 * What is this JDBC driver's major version number? |
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189 * |
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190 * @return the JDBC driver major version number |
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191 */ |
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192 @Override |
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193 public int getDriverMajorVersion() { |
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194 return MonetDriver.getDriverMajorVersion(); |
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195 } |
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196 |
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197 /** |
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198 * What is this JDBC driver's minor version number? |
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199 * |
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200 * @return the JDBC driver minor version number |
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201 */ |
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202 @Override |
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203 public int getDriverMinorVersion() { |
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204 return MonetDriver.getDriverMinorVersion(); |
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205 } |
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206 |
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207 /** |
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208 * Does the database store tables in a local file? |
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209 * No, it stores them in files on the server. |
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210 * |
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211 * @return false because that's what MonetDB is for |
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212 */ |
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213 @Override |
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214 public boolean usesLocalFiles() { |
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215 return false; |
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216 } |
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217 |
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218 /** |
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219 * Does the database use a local file for each table? |
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220 * |
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221 * @return false for it doesn't |
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222 */ |
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223 @Override |
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224 public boolean usesLocalFilePerTable() { |
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225 return false; |
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226 } |
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227 |
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228 /** |
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229 * Does the database treat mixed case unquoted SQL identifiers |
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230 * as case sensitive and as a result store them in mixed case? |
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231
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231 * A JDBC Compliant <sup>TM</sup> driver always returns false. |
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232 * |
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233 * @return false |
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234 */ |
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235 @Override |
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236 public boolean supportsMixedCaseIdentifiers() { |
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237 return false; |
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238 } |
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239 |
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240 /** |
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241 * Does the database treat mixed case unquoted SQL identifiers as |
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242 * case insensitive and store them in upper case? |
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243 * |
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244 * @return true if so |
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245 */ |
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246 @Override |
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247 public boolean storesUpperCaseIdentifiers() { |
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248 return false; |
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249 } |
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250 |
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251 /** |
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252 * Does the database treat mixed case unquoted SQL identifiers as |
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253 * case insensitive and store them in lower case? |
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254 * |
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255 * @return true if so |
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256 */ |
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257 @Override |
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258 public boolean storesLowerCaseIdentifiers() { |
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259 return true; |
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260 } |
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261 |
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262 /** |
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263 * Does the database treat mixed case unquoted SQL identifiers as |
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264 * case insensitive and store them in mixed case? |
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265 * |
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266 * @return true if so |
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267 */ |
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268 @Override |
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269 public boolean storesMixedCaseIdentifiers() { |
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270 return false; |
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271 } |
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272 |
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273 /** |
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274 * Does the database treat mixed case quoted SQL identifiers as |
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275 * case sensitive and as a result store them in mixed case? |
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276 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
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277 * |
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278 * @return true if so |
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279 */ |
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280 @Override |
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281 public boolean supportsMixedCaseQuotedIdentifiers() { |
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282 return true; |
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283 } |
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284 |
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285 /** |
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286 * Does the database treat mixed case quoted SQL identifiers as |
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287 * case insensitive and store them in upper case? |
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288 * |
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289 * @return true if so |
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290 */ |
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291 @Override |
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292 public boolean storesUpperCaseQuotedIdentifiers() { |
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293 return false; |
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294 } |
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295 |
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296 /** |
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297 * Does the database treat mixed case quoted SQL identifiers as case |
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298 * insensitive and store them in lower case? |
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299 * |
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300 * @return true if so |
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301 */ |
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302 @Override |
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303 public boolean storesLowerCaseQuotedIdentifiers() { |
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304 return false; |
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305 } |
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306 |
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307 /** |
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308 * Does the database treat mixed case quoted SQL identifiers as case |
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309 * insensitive and store them in mixed case? |
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310 * |
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311 * @return true if so |
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312 */ |
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313 @Override |
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314 public boolean storesMixedCaseQuotedIdentifiers() { |
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315 return false; |
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316 } |
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317 |
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318 /** |
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319 * What is the string used to quote SQL identifiers? |
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320 * This returns a space if identifier quoting isn't supported. |
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321 * A JDBC Compliant <sup>TM</sup> driver |
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322 * will always use a double quote character. |
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323 * |
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324 * @return the quoting string |
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325 */ |
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326 @Override |
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327 public String getIdentifierQuoteString() { |
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328 return "\""; |
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329 } |
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330 |
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331 /** |
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730
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332 * Retrieves a comma-separated list of all of this database's |
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333 * SQL keywords that are NOT also SQL:2003 keywords. |
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334 * |
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335 * @return a comma separated list of MonetDB keywords that are not also SQL:2003 keywords |
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336 */ |
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337 @Override |
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338 public String getSQLKeywords() { |
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339 final String keywords = getConcatenatedStringFromQuery( |
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340 "SELECT \"keyword\" FROM \"sys\".\"keywords\" " + |
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341 // exclude all SQL:2003 keywords |
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342 "WHERE \"keyword\" NOT IN (" + |
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343 "'ABS','ALL','ALLOCATE','ALTER','AND','ANY','ARE','ARRAY','AS'," + |
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344 "'ASENSITIVE','ASYMMETRIC','AT','ATOMIC','AUTHORIZATION','AVG'," + |
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345 "'BEGIN','BETWEEN','BIGINT','BINARY','BLOB','BOOLEAN','BOTH','BY'," + |
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346 "'CALL','CALLED','CARDINALITY','CASCADED','CASE','CAST','CEIL','CEILING'," + |
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347 "'CHAR','CHARACTER','CHARACTER_LENGTH','CHAR_LENGTH','CHECK','CLOB'," + |
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348 "'CLOSE','COALESCE','COLLATE','COLLECT','COLUMN','COMMIT','CONDITION'," + |
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349 "'CONNECT','CONSTRAINT','CONVERT','CORR','CORRESPONDING','COUNT'," + |
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350 "'COVAR_POP','COVAR_SAMP','CREATE','CROSS','CUBE','CUME_DIST','CURRENT','CURRENT_DATE'," + |
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351 "'CURRENT_DEFAULT_TRANSFORM_GROUP','CURRENT_PATH','CURRENT_ROLE','CURRENT_TIME'," + |
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352 "'CURRENT_TIMESTAMP','CURRENT_TRANSFORM_GROUP_FOR_TYPE','CURRENT_USER','CURSOR','CYCLE'," + |
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353 "'DATE','DAY','DEALLOCATE','DEC','DECIMAL','DECLARE','DEFAULT','DELETE','DENSE_RANK','DEREF'," + |
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354 "'DESCRIBE','DETERMINISTIC','DISCONNECT','DISTINCT','DOUBLE','DROP','DYNAMIC'," + |
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355 "'EACH','ELEMENT','ELSE','END','END-EXEC','ESCAPE','EVERY','EXCEPT','EXEC','EXECUTE','EXISTS','EXP','EXTERNAL','EXTRACT'," + |
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356 "'FALSE','FETCH','FILTER','FLOAT','FLOOR','FOR','FOREIGN','FREE','FROM','FULL','FUNCTION','FUSION'," + |
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357 "'GET','GLOBAL','GRANT','GROUP','GROUPING','HAVING','HOLD','HOUR'," + |
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358 "'IDENTITY','IN','INDICATOR','INNER','INOUT','INSENSITIVE','INSERT'," + |
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359 "'INT','INTEGER','INTERSECT','INTERSECTION','INTERVAL','INTO','IS','JOIN'," + |
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360 "'LANGUAGE','LARGE','LATERAL','LEADING','LEFT','LIKE','LN','LOCAL','LOCALTIME','LOCALTIMESTAMP','LOWER'," + |
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361 "'MATCH','MAX','MEMBER','MERGE','METHOD','MIN','MINUTE','MOD','MODIFIES','MODULE','MONTH','MULTISET'," + |
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362 "'NATIONAL','NATURAL','NCHAR','NCLOB','NEW','NO','NONE','NORMALIZE','NOT','NULL','NULLIF','NUMERIC'," + |
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363 "'OCTET_LENGTH','OF','OLD','ON','ONLY','OPEN','OR','ORDER','OUT','OUTER','OVER','OVERLAPS','OVERLAY'," + |
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364 "'PARAMETER','PARTITION','PERCENTILE_CONT','PERCENTILE_DISC','PERCENT_RANK'," + |
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365 "'POSITION','POWER','PRECISION','PREPARE','PRIMARY','PROCEDURE'," + |
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366 "'RANGE','RANK','READS','REAL','RECURSIVE','REF','REFERENCES','REFERENCING'," + |
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367 "'REGR_AVGX','REGR_AVGY','REGR_COUNT','REGR_INTERCEPT','REGR_R2','REGR_SLOPE','REGR_SXX','REGR_SXY','REGR_SYY'," + |
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368 "'RELEASE','RESULT','RETURN','RETURNS','REVOKE','RIGHT','ROLLBACK','ROLLUP','ROW','ROWS','ROW_NUMBER'," + |
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369 "'SAVEPOINT','SCOPE','SCROLL','SEARCH','SECOND','SELECT','SENSITIVE','SESSION_USER','SET'," + |
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370 "'SIMILAR','SMALLINT','SOME','SPECIFIC','SPECIFICTYPE','SQL','SQLEXCEPTION','SQLSTATE','SQLWARNING'," + |
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371 "'SQRT','START','STATIC','STDDEV_POP','STDDEV_SAMP','SUBMULTISET','SUBSTRING','SUM'," + |
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372 "'SYMMETRIC','SYSTEM','SYSTEM_USER'," + |
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373 "'TABLE','TABLESAMPLE','THEN','TIME','TIMESTAMP','TIMEZONE_HOUR','TIMEZONE_MINUTE'," + |
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374 "'TO','TRAILING','TRANSLATE','TRANSLATION','TREAT','TRIGGER','TRIM','TRUE'," + |
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375 "'UESCAPE','UNION','UNIQUE','UNKNOWN','UNNEST','UPDATE','UPPER','USER','USING'," + |
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376 "'VALUE','VALUES','VARCHAR','VARYING','VAR_POP','VAR_SAMP'," + |
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377 "'WHEN','WHENEVER','WHERE','WIDTH_BUCKET','WINDOW','WITH','WITHIN','WITHOUT','YEAR'" + |
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378 ") ORDER BY 1"); |
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379 |
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380 /* An old MonetDB server (pre Jul2015 release) will not have a table sys.keywords and return an empty String */ |
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381 return (keywords.isEmpty()) ? |
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382 /* for old servers return static list (as returned in clients/odbc/driver/SQLGetInfo.c case SQL_KEYWORDS:) */ |
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383 "ADMIN,AFTER,AGGREGATE,ALWAYS,ASYMMETRIC,ATOMIC," + |
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384 "AUTO_INCREMENT,BEFORE,BIGINT,BIGSERIAL,BINARY,BLOB," + |
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385 "CALL,CHAIN,CLOB,COMMITTED,COPY,CORR,CUME_DIST," + |
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386 "CURRENT_ROLE,CYCLE,DATABASE,DELIMITERS,DENSE_RANK," + |
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387 "DO,EACH,ELSEIF,ENCRYPTED,EVERY,EXCLUDE,FOLLOWING," + |
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388 "FUNCTION,GENERATED,IF,ILIKE,INCREMENT,LAG,LEAD," + |
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389 "LIMIT,LOCALTIME,LOCALTIMESTAMP,LOCKED,MAXVALUE," + |
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390 "MEDIAN,MEDIUMINT,MERGE,MINVALUE,NEW,NOCYCLE," + |
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391 "NOMAXVALUE,NOMINVALUE,NOW,OFFSET,OLD,OTHERS,OVER," + |
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392 "PARTITION,PERCENT_RANK,PLAN,PRECEDING,PROD,QUANTILE," + |
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393 "RANGE,RANK,RECORDS,REFERENCING,REMOTE,RENAME," + |
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394 "REPEATABLE,REPLICA,RESTART,RETURN,RETURNS," + |
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395 "ROW_NUMBER,ROWS,SAMPLE,SAVEPOINT,SCHEMA,SEQUENCE," + |
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396 "SERIAL,SERIALIZABLE,SIMPLE,START,STATEMENT,STDIN," + |
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397 "STDOUT,STREAM,STRING,SYMMETRIC,TIES,TINYINT,TRIGGER," + |
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398 "UNBOUNDED,UNCOMMITTED,UNENCRYPTED,WHILE,XMLAGG," + |
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399 "XMLATTRIBUTES,XMLCOMMENT,XMLCONCAT,XMLDOCUMENT," + |
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400 "XMLELEMENT,XMLFOREST,XMLNAMESPACES,XMLPARSE,XMLPI," + |
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216
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401 "XMLQUERY,XMLSCHEMA,XMLTEXT,XMLVALIDATE" |
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402 : keywords; |
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403 } |
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404 |
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405 /** |
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406 * Internal utility method getConcatenatedStringFromQuery(String query) |
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407 * @param query the SQL SELECT query. Only the output of the first column is fetched and concatenated. |
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408 * @return a String of query result values concatenated into one string, and values separated by comma's |
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409 */ |
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410 private String getConcatenatedStringFromQuery(final String query) { |
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411 final StringBuilder sb = new StringBuilder(1200); |
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412 Statement st = null; |
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413 ResultSet rs = null; |
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414 try { |
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415 st = con.createStatement(); |
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416 rs = st.executeQuery(query); |
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417 // Fetch the first column output and concatenate the values into a StringBuilder separated by comma's |
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418 boolean isfirst = true; |
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419 while (rs.next()) { |
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420 String value = rs.getString(1); |
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421 if (value != null) { |
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422 if (isfirst) { |
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423 isfirst = false; |
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424 } else { |
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425 sb.append(','); |
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426 } |
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427 sb.append(value); |
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428 } |
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429 } |
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430 } catch (SQLException e) { |
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431 /* ignore */ |
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432 } finally { |
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433 MonetConnection.closeResultsetStatement(rs, st); |
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434 } |
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435 // for debug: System.out.println("SQL (len " + query.length() + "): " + query + "\nResult string(len " + sb.length() + "): " + sb.toString()); |
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436 return sb.toString(); |
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437 } |
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438 |
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439 // SQL query parts shared by four get<Type>Functions() below |
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440 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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441 " FROM \"sys\".\"functions\" f JOIN \"sys\".\"schemas\" s ON f.\"schema_id\" = s.\"id\" WHERE "; |
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442 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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443 // 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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444 private static final String OrFunctionsMaxMin = " OR f.\"name\" IN ('sql_max','sql_min','least','greatest')"; |
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445 private static final String FunctionsOrderBy1 = " ORDER BY 1"; |
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446 |
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447 @Override |
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448 public String getNumericFunctions() { |
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449 final String match = |
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450 "('tinyint','smallint','int','bigint','hugeint','decimal','double','real'))" + |
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338
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451 " AND \"type\" = 1" + // only scalar functions |
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452 // exclude functions which do not work or belong to string functions (code(int) and space(int)) |
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453 " AND f.\"name\" NOT IN ('code','not_uniques','rotate_xor_hash','space'))" + |
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365
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454 // 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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455 " OR f.\"name\" IN ('alpha','degrees','fuse','ms_round','ms_str','ms_trunc','pi','radians')"; |
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456 return getConcatenatedStringFromQuery(FunctionsSelect + FunctionsWhere + match + OrFunctionsMaxMin + FunctionsOrderBy1); |
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457 } |
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458 |
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459 @Override |
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460 public String getStringFunctions() { |
|
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461 final String match = |
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462 "('char','varchar','clob','json','url'))" + |
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463 " AND \"type\" = 1" + // only scalar functions |
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464 // exclude sql functions: get_value_for, next_value_for, restart |
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465 " AND \"mod\" <> 'sql')" + |
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466 // include specific functions code(int) and space(int) which belong to the 'str' module |
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467 // include functions (difference, editdistance, editdistance2, levenshtein, qgramnormalize, similarity, soundex) which since Jun2023 are in the 'txtsim' module |
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468 " OR (\"mod\" IN ('str','txtsim') AND \"type\" = 1)" + |
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469 // include 3 specific json functions and md5(), ms_stuff() and udf reverse() which all accept a string arg |
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365
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470 " OR f.\"name\" IN ('isarray','isobject','isvalid','md5','ms_stuff','reverse')"; |
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471 final String unionPart = |
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472 // 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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473 " UNION SELECT 'position'"; |
|
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474 return getConcatenatedStringFromQuery(FunctionsSelect + FunctionsWhere + match + OrFunctionsMaxMin + unionPart + FunctionsOrderBy1); |
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475 } |
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476 |
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477 @Override |
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478 public String getSystemFunctions() { |
|
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479 final String wherePart = |
|
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480 "f.\"name\" IN ('columnsize','database','debug','get_value_for','hash','hashsize','heapsize'" + |
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481 ",'ifnull','ifthenelse','imprintsize','isaurl','isauuid','isnull','masterclock','mastertick'" + |
|
363
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Remove support for deprecated MD5 encryption algorithm in MapiSocket.
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|
482 ",'newurl','next_value_for','password_hash','replicaclock','replicatick','uuid')" + |
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483 // 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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484 " UNION ALL SELECT * FROM (VALUES('cast'),('coalesce'),('convert'),('nullif')) as sf"; |
|
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485 // ToDo: from release 11.47.1 we also support function: ifnull, but only with odbc escape notation, so {fn ifnull(null, 2)}. Related issue: 6933. |
|
19
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486 return getConcatenatedStringFromQuery(FunctionsSelect + wherePart + FunctionsOrderBy1); |
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487 } |
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488 |
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489 @Override |
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490 public String getTimeDateFunctions() { |
|
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491 final String wherePart = |
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492 "\"mod\" IN ('mtime','timestamp')" + |
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493 // include Date/Time functions which are located in 'str' module |
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494 " OR f.\"name\" IN ('localtime','localtimestamp','date_trunc')"; |
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495 final String unionPart = |
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496 // 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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497 " UNION SELECT 'extract'" + |
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498 " UNION SELECT 'now'"; |
|
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499 // 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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500 return getConcatenatedStringFromQuery(FunctionsSelect + wherePart + OrFunctionsMaxMin + unionPart + FunctionsOrderBy1); |
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501 } |
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502 |
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503 /** |
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504 * This is the string that can be used to escape '_' and '%' in |
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505 * a search string pattern style catalog search parameters |
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506 * |
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507 * @return the string used to escape wildcard characters |
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508 */ |
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509 @Override |
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510 public String getSearchStringEscape() { |
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511 return "\\"; |
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512 } |
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513 |
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514 /** |
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515 * Get all the "extra" characters that can be used in unquoted |
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516 * identifier names (those beyond a-zA-Z0-9 and _) |
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517 * |
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518 * @return a string containing the extra characters |
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519 */ |
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520 @Override |
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521 public String getExtraNameCharacters() { |
|
194
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522 // MonetDB has no extra characters. Verified it for chars: !@#$%^&*()~{}[]? |
|
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523 return ""; |
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524 } |
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525 |
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526 /** |
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527 * Is "ALTER TABLE" with an add column supported? |
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528 * |
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529 * @return true if so |
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530 */ |
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531 @Override |
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532 public boolean supportsAlterTableWithAddColumn() { |
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533 return true; |
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534 } |
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535 |
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536 /** |
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537 * Is "ALTER TABLE" with a drop column supported? |
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538 * |
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539 * @return true if so |
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540 */ |
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541 @Override |
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542 public boolean supportsAlterTableWithDropColumn() { |
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543 return true; |
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544 } |
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545 |
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546 /** |
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547 * Is column aliasing supported? |
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548 * |
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549 * <p>If so, the SQL AS clause can be used to provide names for |
|
213
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550 * computed columns or to provide alias names for columns as required. |
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231
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551 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
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552 * |
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553 * <p>e.g. |
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554 * |
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555 * <br><pre> |
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556 * select count(C) as C_COUNT from T group by C; |
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557 * |
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558 * </pre><br> |
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559 * should return a column named as C_COUNT instead of count(C) |
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560 * |
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561 * @return true if so |
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562 */ |
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563 @Override |
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|
564 public boolean supportsColumnAliasing() { |
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565 return true; |
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566 } |
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|
567 |
|
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|
568 /** |
|
213
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569 * Are concatenations between NULL and non-NULL values NULL? |
|
231
68b9452f1215
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570 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
0
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571 * |
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572 * @return true if so |
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|
573 */ |
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|
574 @Override |
|
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575 public boolean nullPlusNonNullIsNull() { |
|
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576 return true; |
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577 } |
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578 |
|
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|
579 /** |
|
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|
580 * Retrieves whether this database supports the JDBC scalar function |
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581 * CONVERT for the conversion of one JDBC type to another. |
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582 * The JDBC types are the generic SQL data types defined in java.sql.Types. |
|
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583 * |
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584 * @return true if so; false otherwise |
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585 */ |
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|
586 @Override |
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587 public boolean supportsConvert() { |
|
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|
588 return true; |
|
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589 } |
|
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|
590 |
|
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parents:
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|
591 /** |
|
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|
592 * Retrieves whether this database supports the JDBC scalar function |
|
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|
593 * CONVERT for conversions between the JDBC types fromType and toType. |
|
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594 * The JDBC types are the generic SQL data types defined in java.sql.Types. |
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|
595 * |
|
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|
596 * @return true if so; false otherwise |
|
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|
597 */ |
|
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changeset
|
598 @Override |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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diff
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|
599 public boolean supportsConvert(final int fromType, final int toType) { |
|
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|
600 switch (fromType) { |
|
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|
601 case Types.BOOLEAN: |
|
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|
602 switch (toType) { |
|
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|
603 case Types.BOOLEAN: |
|
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|
604 /* case Types.BIT: is not supported by MonetDB and will fail */ |
|
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|
605 case Types.TINYINT: |
|
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|
606 case Types.SMALLINT: |
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|
607 case Types.INTEGER: |
|
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|
608 case Types.BIGINT: |
|
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|
609 /* conversion to FLOAT, REAL, DOUBLE, NUMERIC and DECIMAL is not supported by MonetDB */ |
|
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610 case Types.CHAR: |
|
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611 case Types.VARCHAR: |
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612 /* case Types.LONGVARCHAR: is not supported by MonetDB and will fail */ |
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613 case Types.CLOB: |
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614 return true; |
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|
615 } |
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|
616 // conversion to all other types is not supported |
|
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617 return false; |
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|
618 /* case Types.BIT: is not supported by MonetDB and will fail */ |
|
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619 /* case Types.BINARY: is not supported by MonetDB and will fail */ |
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620 /* case Types.VARBINARY: is not supported by MonetDB and will fail */ |
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621 /* case Types.LONGVARBINARY: is not supported by MonetDB and will fail */ |
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622 case Types.BLOB: |
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|
623 switch (toType) { |
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624 /* case Types.BINARY: is not supported by MonetDB and will fail */ |
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|
625 /* case Types.VARBINARY: is not supported by MonetDB and will fail */ |
|
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|
626 /* case Types.LONGVARBINARY: is not supported by MonetDB and will fail */ |
|
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|
627 case Types.BLOB: |
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diff
changeset
|
628 case Types.VARCHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
629 /* 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
|
630 case Types.CLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
631 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
632 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
633 // conversion to all other types is not supported |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
634 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
635 case Types.TINYINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
636 case Types.SMALLINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
637 case Types.INTEGER: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
638 case Types.BIGINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
639 case Types.FLOAT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
640 case Types.REAL: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
641 case Types.DOUBLE: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
642 case Types.NUMERIC: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
643 case Types.DECIMAL: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
644 switch (toType) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
645 case Types.BOOLEAN: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
646 /* 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
|
647 case Types.TINYINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
648 case Types.SMALLINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
649 case Types.INTEGER: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
650 case Types.BIGINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
651 case Types.FLOAT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
652 case Types.REAL: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
653 case Types.DOUBLE: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
654 case Types.NUMERIC: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
655 case Types.DECIMAL: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
656 case Types.CHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
657 case Types.VARCHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
658 /* case Types.LONGVARCHAR: is not supported by MonetDB and will fail */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
659 case Types.CLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
660 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
661 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
662 // conversion to all other types is not supported |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
663 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
664 case Types.CHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
665 case Types.VARCHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
666 /* 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
|
667 case Types.CLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
668 switch (toType) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
669 case Types.BOOLEAN: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
670 /* 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
|
671 case Types.TINYINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
672 case Types.SMALLINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
673 case Types.INTEGER: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
674 case Types.BIGINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
675 case Types.FLOAT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
676 case Types.REAL: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
677 case Types.DOUBLE: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
678 case Types.NUMERIC: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
679 case Types.DECIMAL: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
680 case Types.CHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
681 case Types.VARCHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
682 /* 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
|
683 case Types.CLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
684 case Types.BLOB: |
|
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 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
|
687 case Types.TIME_WITH_TIMEZONE: |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
688 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
|
689 case Types.TIMESTAMP_WITH_TIMEZONE: |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
690 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
691 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
692 // conversion to all other types is not supported |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
693 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
694 case Types.DATE: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
695 switch (toType) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
696 case Types.CHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
697 case Types.VARCHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
698 /* 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
|
699 case Types.CLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
700 case Types.DATE: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
701 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
|
702 case Types.TIMESTAMP_WITH_TIMEZONE: |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
703 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
704 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
705 // conversion to all other types is not supported |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
706 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
707 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
|
708 case Types.TIME_WITH_TIMEZONE: |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
709 switch (toType) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
710 case Types.CHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
711 case Types.VARCHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
712 /* 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
|
713 case Types.CLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
714 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
|
715 case Types.TIME_WITH_TIMEZONE: |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
716 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
717 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
718 // conversion to all other types is not supported |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
719 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
720 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
|
721 case Types.TIMESTAMP_WITH_TIMEZONE: |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
722 switch (toType) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
723 case Types.CHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
724 case Types.VARCHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
725 /* 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
|
726 case Types.CLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
727 case Types.DATE: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
728 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
|
729 case Types.TIME_WITH_TIMEZONE: |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
730 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
|
731 case Types.TIMESTAMP_WITH_TIMEZONE: |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
732 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
733 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
734 // conversion to all other types is not supported |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
735 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
736 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
737 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
738 // conversion from all other JDBC SQL types are not supported |
|
a5a898f6886c
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|
739 return false; |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
740 } |
|
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|
741 |
|
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|
742 /** |
|
213
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Update some documentation text
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|
743 * Are table correlation names supported? |
|
231
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744 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
0
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|
745 * |
|
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|
746 * @return true if so |
|
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parents:
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|
747 */ |
|
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|
748 @Override |
|
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|
749 public boolean supportsTableCorrelationNames() { |
|
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|
750 return true; |
|
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|
751 } |
|
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|
752 |
|
a5a898f6886c
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|
753 /** |
|
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|
754 * If table correlation names are supported, are they restricted to |
|
a5a898f6886c
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|
755 * be different from the names of the tables? |
|
a5a898f6886c
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|
756 * |
|
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|
757 * @return true if so; false otherwise |
|
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|
758 */ |
|
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parents:
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changeset
|
759 @Override |
|
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|
760 public boolean supportsDifferentTableCorrelationNames() { |
|
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|
761 return false; |
|
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|
762 } |
|
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parents:
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|
763 |
|
a5a898f6886c
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changeset
|
764 /** |
|
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|
765 * Are expressions in "ORDER BY" lists supported? |
|
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changeset
|
766 * e.g. select * from t order by a + b; |
|
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|
767 * |
|
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|
768 * MonetDB supports this, try: |
|
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|
769 * select (radix * 1000) + digits as comp, * from types order by (radix * 1000) + digits, -id; |
|
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|
770 * |
|
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|
771 * @return true if so |
|
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|
772 */ |
|
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|
773 @Override |
|
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774 public boolean supportsExpressionsInOrderBy() { |
|
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775 return true; |
|
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|
776 } |
|
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777 |
|
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parents:
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changeset
|
778 /** |
|
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|
779 * Can an "ORDER BY" clause use columns not in the SELECT? |
|
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|
780 * MonetDB differs from SQL03 => true |
|
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|
781 * |
|
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changeset
|
782 * @return true if so |
|
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changeset
|
783 */ |
|
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changeset
|
784 @Override |
|
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|
785 public boolean supportsOrderByUnrelated() { |
|
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|
786 return true; |
|
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changeset
|
787 } |
|
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changeset
|
788 |
|
a5a898f6886c
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parents:
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changeset
|
789 /** |
|
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|
790 * Is some form of "GROUP BY" clause supported? |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
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|
791 * |
|
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changeset
|
792 * @return true since MonetDB supports it |
|
a5a898f6886c
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|
793 */ |
|
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parents:
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changeset
|
794 @Override |
|
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|
795 public boolean supportsGroupBy() { |
|
a5a898f6886c
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|
796 return true; |
|
a5a898f6886c
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|
797 } |
|
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|
798 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
799 /** |
|
a5a898f6886c
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changeset
|
800 * Can a "GROUP BY" clause use columns not in the SELECT? |
|
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changeset
|
801 * |
|
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|
802 * @return true since that also is supported |
|
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changeset
|
803 */ |
|
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changeset
|
804 @Override |
|
a5a898f6886c
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changeset
|
805 public boolean supportsGroupByUnrelated() { |
|
a5a898f6886c
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parents:
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changeset
|
806 return true; |
|
a5a898f6886c
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changeset
|
807 } |
|
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parents:
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changeset
|
808 |
|
a5a898f6886c
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changeset
|
809 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
810 * Can a "GROUP BY" clause add columns not in the SELECT provided |
|
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changeset
|
811 * it specifies all the columns in the SELECT? |
|
a5a898f6886c
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parents:
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changeset
|
812 * |
|
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changeset
|
813 * (MonetDB already supports the more difficult supportsGroupByUnrelated(), |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
814 * so this is a piece of cake) |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
815 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
816 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
817 */ |
|
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changeset
|
818 @Override |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
819 public boolean supportsGroupByBeyondSelect() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
820 return true; |
|
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changeset
|
821 } |
|
a5a898f6886c
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|
822 |
|
a5a898f6886c
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parents:
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changeset
|
823 /** |
|
213
115f6351bf4b
Update some documentation text
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diff
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|
824 * Is the escape character in "LIKE" clauses supported? |
|
231
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825 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
0
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changeset
|
826 * |
|
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|
827 * @return true if so |
|
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|
828 */ |
|
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changeset
|
829 @Override |
|
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changeset
|
830 public boolean supportsLikeEscapeClause() { |
|
a5a898f6886c
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changeset
|
831 return true; |
|
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parents:
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changeset
|
832 } |
|
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parents:
diff
changeset
|
833 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
834 /** |
|
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changeset
|
835 * Are multiple ResultSets from a single execute supported? |
|
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changeset
|
836 * |
|
a5a898f6886c
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changeset
|
837 * @return true if so |
|
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parents:
diff
changeset
|
838 */ |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
839 @Override |
|
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parents:
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changeset
|
840 public boolean supportsMultipleResultSets() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
841 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
842 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
843 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
844 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
845 * Can we have multiple transactions open at once (on different |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
846 * connections?) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
847 * This is the main idea behind the Connection, is it? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
848 * |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
849 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
850 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
851 @Override |
|
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|
852 public boolean supportsMultipleTransactions() { |
|
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853 return true; |
|
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|
854 } |
|
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|
855 |
|
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|
856 /** |
|
213
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|
857 * Can columns be defined as non-nullable. |
|
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858 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
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859 * |
|
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860 * @return true if so |
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|
861 */ |
|
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|
862 @Override |
|
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|
863 public boolean supportsNonNullableColumns() { |
|
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864 return true; |
|
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865 } |
|
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|
866 |
|
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|
867 /** |
|
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|
868 * Does this driver support the minimum ODBC SQL grammar. This |
|
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|
869 * grammar is defined at: |
|
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870 * |
|
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|
871 * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/odbc/htm/odappcpr.asp |
|
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|
872 * From this description, we seem to support the ODBC minimal (Level 0) grammar. |
|
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873 * |
|
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|
874 * @return true if so |
|
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|
875 */ |
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|
876 @Override |
|
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|
877 public boolean supportsMinimumSQLGrammar() { |
|
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|
878 return true; |
|
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|
879 } |
|
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|
880 |
|
a5a898f6886c
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|
881 /** |
|
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|
882 * Does this driver support the Core ODBC SQL grammar. We need |
|
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|
883 * SQL-92 conformance for this. |
|
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|
884 * |
|
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|
885 * @return true if so |
|
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|
886 */ |
|
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|
887 @Override |
|
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|
888 public boolean supportsCoreSQLGrammar() { |
|
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|
889 return true; |
|
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|
890 } |
|
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|
891 |
|
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|
892 /** |
|
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|
893 * Does this driver support the Extended (Level 2) ODBC SQL |
|
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|
894 * grammar. We don't conform to the Core (Level 1), so we can't |
|
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|
895 * conform to the Extended SQL Grammar. |
|
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896 * |
|
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|
897 * @return true if so |
|
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|
898 */ |
|
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|
899 @Override |
|
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|
900 public boolean supportsExtendedSQLGrammar() { |
|
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|
901 return false; |
|
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|
902 } |
|
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|
903 |
|
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changeset
|
904 /** |
|
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|
905 * Does this driver support the ANSI-92 entry level SQL grammar? |
|
231
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|
906 * All JDBC Compliant <sup>TM</sup> drivers must return true. |
|
0
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|
907 * |
|
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|
908 * @return true if so |
|
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|
909 */ |
|
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|
910 @Override |
|
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|
911 public boolean supportsANSI92EntryLevelSQL() { |
|
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|
912 return true; |
|
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|
913 } |
|
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|
914 |
|
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changeset
|
915 /** |
|
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changeset
|
916 * Does this driver support the ANSI-92 intermediate level SQL |
|
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|
917 * grammar? |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
918 * probably not |
|
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|
919 * |
|
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|
920 * @return true if so |
|
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|
921 */ |
|
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|
922 @Override |
|
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|
923 public boolean supportsANSI92IntermediateSQL() { |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
924 return false; |
|
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|
925 } |
|
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|
926 |
|
a5a898f6886c
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|
927 /** |
|
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|
928 * Does this driver support the ANSI-92 full SQL grammar? |
|
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|
929 * Would be good if it was like that |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
930 * |
|
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|
931 * @return true if so |
|
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|
932 */ |
|
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changeset
|
933 @Override |
|
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|
934 public boolean supportsANSI92FullSQL() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
935 return false; |
|
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|
936 } |
|
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|
937 |
|
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changeset
|
938 /** |
|
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|
939 * Is the SQL Integrity Enhancement Facility supported? |
|
267
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diff
changeset
|
940 * |
|
43ea6c50483e
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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265
diff
changeset
|
941 * The SQL Integrity Enhancement facility offers additional tools for referential integrity, |
|
43ea6c50483e
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changeset
|
942 * CHECK constraint clauses, and DEFAULT clauses. Referential integrity allows specification of |
|
43ea6c50483e
Correct return value for supportsIntegrityEnhancementFacility()
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diff
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|
943 * primary and foreign keys with the requirement that no foreign key row may be inserted or |
|
43ea6c50483e
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diff
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|
944 * updated unless a matching primary key row exists. Check clauses allow specification of |
|
43ea6c50483e
Correct return value for supportsIntegrityEnhancementFacility()
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265
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changeset
|
945 * inter-column constraints to be maintained by the database system. |
|
302
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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300
diff
changeset
|
946 * Default clauses provide optional default values for missing data. |
|
267
43ea6c50483e
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|
947 * |
|
43ea6c50483e
Correct return value for supportsIntegrityEnhancementFacility()
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diff
changeset
|
948 * We currently do not supprt CHECK constraints (see bug 3568) nor deferrable FK constraints. |
|
0
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|
949 * |
|
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|
950 * @return true if so |
|
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|
951 */ |
|
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changeset
|
952 @Override |
|
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|
953 public boolean supportsIntegrityEnhancementFacility() { |
|
267
43ea6c50483e
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265
diff
changeset
|
954 return false; |
|
0
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parents:
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changeset
|
955 } |
|
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changeset
|
956 |
|
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changeset
|
957 /** |
|
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changeset
|
958 * Is some form of outer join supported? |
|
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changeset
|
959 * |
|
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changeset
|
960 * @return true if so |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
961 */ |
|
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changeset
|
962 @Override |
|
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changeset
|
963 public boolean supportsOuterJoins(){ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
964 return true; |
|
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|
965 } |
|
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|
966 |
|
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|
967 /** |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
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diff
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|
968 * Are full nested outer joins supported? |
|
0
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|
969 * |
|
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|
970 * @return true if so |
|
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|
971 */ |
|
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|
972 @Override |
|
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|
973 public boolean supportsFullOuterJoins() { |
|
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|
974 return true; |
|
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975 } |
|
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976 |
|
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|
977 /** |
|
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|
978 * Is there limited support for outer joins? |
|
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979 * |
|
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980 * @return true if so |
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981 */ |
|
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982 @Override |
|
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|
983 public boolean supportsLimitedOuterJoins() { |
|
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|
984 return false; |
|
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|
985 } |
|
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986 |
|
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|
987 /** |
|
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|
988 * What is the database vendor's preferred term for "schema"? |
|
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|
989 * MonetDB uses the term "schema". |
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990 * |
|
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|
991 * @return the vendor term |
|
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992 */ |
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|
993 @Override |
|
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|
994 public String getSchemaTerm() { |
|
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|
995 return "schema"; |
|
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|
996 } |
|
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|
997 |
|
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|
998 /** |
|
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|
999 * What is the database vendor's preferred term for "procedure"? |
|
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1000 * |
|
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|
1001 * @return the vendor term |
|
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|
1002 */ |
|
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|
1003 @Override |
|
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|
1004 public String getProcedureTerm() { |
|
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1005 return "procedure"; |
|
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1006 } |
|
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1007 |
|
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|
1008 /** |
|
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|
1009 * What is the database vendor's preferred term for "catalog"? |
|
356
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|
1010 * |
|
eabbc5bf7cdb
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|
1011 * MonetDB doesn't support the SQL catalog naming concept. |
|
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|
1012 * Only SQL schemas are supported. |
|
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Corrected the return value of getCatalogTerm();
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|
1013 * We also do not allow the name of a database to be included in |
|
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|
1014 * a fully qualified name, so we shouldn't return "database" here. |
|
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|
1015 * A database is a different concept than an SQL catalog. |
|
0
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|
1016 * |
|
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|
1017 * @return the vendor term |
|
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|
1018 */ |
|
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|
1019 @Override |
|
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|
1020 public String getCatalogTerm() { |
|
356
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|
1021 // MonetDB does NOT support catalogs, so also no catalog term |
|
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|
1022 // Some generic SQL clients (e.g. DbVisualiser) use this string in their GUI |
|
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|
1023 // To avoid NPE, just return an abrev string: "cat" (we like cats) |
|
eabbc5bf7cdb
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diff
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|
1024 return "cat"; |
|
0
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|
1025 } |
|
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|
1026 |
|
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|
1027 /** |
|
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|
1028 * Does a catalog appear at the start of a qualified table name? |
|
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|
1029 * (Otherwise it appears at the end). |
|
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|
1030 * Currently there is no catalog support at all in MonetDB |
|
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|
1031 * |
|
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|
1032 * @return true if so |
|
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|
1033 */ |
|
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|
1034 @Override |
|
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|
1035 public boolean isCatalogAtStart() { |
|
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|
1036 // return true here; we return false for every other catalog function |
|
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|
1037 // so it won't matter what we return here |
|
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|
1038 return true; |
|
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|
1039 } |
|
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|
1040 |
|
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|
1041 /** |
|
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|
1042 * What is the Catalog separator. |
|
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|
1043 * |
|
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|
1044 * @return the catalog separator string |
|
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|
1045 */ |
|
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|
1046 @Override |
|
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|
1047 public String getCatalogSeparator() { |
|
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|
1048 // MonetDB does NOT support catalogs, so also no catalog separator |
|
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|
1049 return null; |
|
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|
1050 } |
|
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|
1051 |
|
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|
1052 /** |
|
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|
1053 * Can a schema name be used in a data manipulation statement? |
|
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|
1054 * |
|
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|
1055 * @return true if so |
|
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|
1056 */ |
|
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|
1057 @Override |
|
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changeset
|
1058 public boolean supportsSchemasInDataManipulation() { |
|
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|
1059 return true; |
|
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|
1060 } |
|
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|
1061 |
|
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|
1062 /** |
|
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|
1063 * Can a schema name be used in a procedure call statement? |
|
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|
1064 * Ohw probably, but I don't know of procedures in MonetDB |
|
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|
1065 * |
|
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|
1066 * @return true if so |
|
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|
1067 */ |
|
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changeset
|
1068 @Override |
|
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changeset
|
1069 public boolean supportsSchemasInProcedureCalls() { |
|
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changeset
|
1070 return true; |
|
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|
1071 } |
|
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|
1072 |
|
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|
1073 /** |
|
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changeset
|
1074 * Can a schema be used in a table definition statement? |
|
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|
1075 * |
|
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|
1076 * @return true if so |
|
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|
1077 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1078 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1079 public boolean supportsSchemasInTableDefinitions() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1080 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1081 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1082 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1083 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1084 * 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
|
1085 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1086 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1087 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1088 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1089 public boolean supportsSchemasInIndexDefinitions() { |
|
294
894abb249de1
Corrected 3 MonetDatabaseMetaData methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
286
diff
changeset
|
1090 // 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
|
1091 // 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
|
1092 return false; |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1093 } |
|
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 * 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
|
1097 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1098 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1099 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1100 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1101 public boolean supportsSchemasInPrivilegeDefinitions() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1102 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1103 } |
|
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 * 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
|
1107 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1108 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1109 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1110 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1111 public boolean supportsCatalogsInDataManipulation() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1112 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1113 } |
|
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 * 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
|
1117 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1118 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1119 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1120 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1121 public boolean supportsCatalogsInProcedureCalls() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1122 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1123 } |
|
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 * 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
|
1127 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1128 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1129 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1130 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1131 public boolean supportsCatalogsInTableDefinitions() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1132 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1133 } |
|
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 * 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
|
1137 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1138 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1139 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1140 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1141 public boolean supportsCatalogsInIndexDefinitions() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1142 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1143 } |
|
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 * 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
|
1147 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1148 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1149 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1150 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1151 public boolean supportsCatalogsInPrivilegeDefinitions() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1152 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1153 } |
|
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 * MonetDB doesn't support positioned DELETEs I guess |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1157 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1158 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1159 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1160 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1161 public boolean supportsPositionedDelete() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1162 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1163 } |
|
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 * Is positioned UPDATE supported? (same as above) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1167 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1168 * @return true if so |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1171 public boolean supportsPositionedUpdate() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1172 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1173 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1174 |
|
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 * Is SELECT FOR UPDATE supported? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1177 * My test resulted in a negative answer |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1178 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1179 * @return true if so; false otherwise |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1182 public boolean supportsSelectForUpdate(){ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1183 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1184 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1185 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1186 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1187 * 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
|
1188 * syntax supported? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1189 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1190 * @return true if so; false otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1191 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1192 @Override |
|
a5a898f6886c
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|
1193 public boolean supportsStoredProcedures() { |
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1194 return true; |
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|
1195 } |
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1196 |
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|
1197 /** |
|
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1198 * Are subqueries in comparison expressions supported? |
|
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1199 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
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1200 * MonetDB also supports this |
|
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1201 * |
|
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|
1202 * @return true if so; false otherwise |
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1203 */ |
|
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|
1204 @Override |
|
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|
1205 public boolean supportsSubqueriesInComparisons() { |
|
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|
1206 return true; |
|
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|
1207 } |
|
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|
1208 |
|
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1209 /** |
|
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1210 * Are subqueries in 'exists' expressions supported? |
|
231
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1211 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
0
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|
1212 * |
|
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|
1213 * @return true if so; false otherwise |
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|
1214 */ |
|
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|
1215 @Override |
|
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|
1216 public boolean supportsSubqueriesInExists() { |
|
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1217 return true; |
|
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|
1218 } |
|
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1219 |
|
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1220 /** |
|
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1221 * Are subqueries in 'in' statements supported? |
|
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1222 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
0
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|
1223 * |
|
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1224 * @return true if so; false otherwise |
|
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1225 */ |
|
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|
1226 @Override |
|
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|
1227 public boolean supportsSubqueriesInIns() { |
|
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|
1228 return true; |
|
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1229 } |
|
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|
1230 |
|
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|
1231 /** |
|
213
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|
1232 * Are subqueries in quantified expressions supported? |
|
231
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|
1233 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
0
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|
1234 * |
|
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|
1235 * (No idea what this is, but we support a good deal of |
|
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|
1236 * subquerying.) |
|
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|
1237 * |
|
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|
1238 * @return true if so; false otherwise |
|
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|
1239 */ |
|
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|
1240 @Override |
|
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|
1241 public boolean supportsSubqueriesInQuantifieds() { |
|
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|
1242 return true; |
|
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|
1243 } |
|
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|
1244 |
|
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|
1245 /** |
|
213
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|
1246 * Are correlated subqueries supported? |
|
231
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|
1247 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
0
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|
1248 * |
|
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|
1249 * (a.k.a. subselect in from?) |
|
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|
1250 * |
|
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|
1251 * @return true if so; false otherwise |
|
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|
1252 */ |
|
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|
1253 @Override |
|
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|
1254 public boolean supportsCorrelatedSubqueries() { |
|
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|
1255 return true; |
|
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|
1256 } |
|
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|
1257 |
|
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|
1258 /** |
|
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|
1259 * Is SQL UNION supported? |
|
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|
1260 * since 2004-03-20 |
|
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|
1261 * |
|
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|
1262 * @return true if so |
|
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|
1263 */ |
|
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|
1264 @Override |
|
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|
1265 public boolean supportsUnion() { |
|
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|
1266 return true; |
|
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|
1267 } |
|
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|
1268 |
|
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changeset
|
1269 /** |
|
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|
1270 * Is SQL UNION ALL supported? |
|
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|
1271 * since 2004-03-20 |
|
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|
1272 * |
|
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|
1273 * @return true if so |
|
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|
1274 */ |
|
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|
1275 @Override |
|
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|
1276 public boolean supportsUnionAll() { |
|
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|
1277 return true; |
|
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|
1278 } |
|
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|
1279 |
|
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|
1280 /** |
|
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|
1281 * ResultSet objects (cursors) are not closed upon explicit or |
|
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|
1282 * implicit commit. |
|
a5a898f6886c
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|
1283 * |
|
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|
1284 * @return true if so |
|
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|
1285 */ |
|
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|
1286 @Override |
|
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|
1287 public boolean supportsOpenCursorsAcrossCommit() { |
|
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|
1288 return true; |
|
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|
1289 } |
|
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|
1290 |
|
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changeset
|
1291 /** |
|
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|
1292 * Same as above |
|
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changeset
|
1293 * |
|
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|
1294 * @return true if so |
|
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|
1295 */ |
|
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changeset
|
1296 @Override |
|
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changeset
|
1297 public boolean supportsOpenCursorsAcrossRollback() { |
|
a5a898f6886c
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changeset
|
1298 return true; |
|
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|
1299 } |
|
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|
1300 |
|
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changeset
|
1301 /** |
|
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|
1302 * Can statements remain open across commits? They may, but |
|
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changeset
|
1303 * this driver cannot guarentee that. In further reflection. |
|
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changeset
|
1304 * we are taking a Statement object here, so the answer is |
|
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|
1305 * yes, since the Statement is only a vehicle to execute some SQL |
|
a5a898f6886c
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changeset
|
1306 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1307 * @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
|
1308 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1309 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1310 public boolean supportsOpenStatementsAcrossCommit() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1311 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1312 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1313 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1314 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1315 * 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
|
1316 * this driver cannot guarentee that. In further contemplation, |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1317 * 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
|
1318 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1319 * @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
|
1320 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1321 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1322 public boolean supportsOpenStatementsAcrossRollback() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1323 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1324 } |
|
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 * 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
|
1328 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1329 * @return the max literal length |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1330 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1331 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1332 public int getMaxBinaryLiteralLength() { |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1333 return 2*1024*1024*1024 - 2; // MonetDB supports null terminated strings of max 2GB, see function: int UTF8_strlen() |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1334 } |
|
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 * 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
|
1338 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1339 * @return the max literal length |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1342 public int getMaxCharLiteralLength() { |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1343 return 2*1024*1024*1024 - 2; // MonetDB supports null terminated strings of max 2GB, see function: int UTF8_strlen() |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1344 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1345 |
|
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 * Whats the limit on column name length. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1348 * 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
|
1349 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1350 * @return the maximum column name length |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1351 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1352 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1353 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
|
1354 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
|
1355 } |
|
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 * 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
|
1359 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1360 * @return the max number of columns |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1361 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1362 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1363 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
|
1364 return 0; // no specific limit known |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1365 } |
|
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 * 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
|
1369 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1370 * @return max number of columns |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1371 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1372 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1373 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
|
1374 return 0; // no specific limit known |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1375 } |
|
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 * 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
|
1379 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1380 * @return the max columns |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1381 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1382 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1383 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
|
1384 return 0; // no specific limit known |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1385 } |
|
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 * 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
|
1389 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1390 * @return the max columns |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1391 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1392 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1393 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
|
1394 return 0; // no specific limit known |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1395 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1396 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1397 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1398 * 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
|
1399 * |
|
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1400 * 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
|
1401 * but this is for all columns of all tables in all schemas (including all data dictionary columns). |
|
6e48d0fae766
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1402 * For one table we should reduce it to a more practical soft limit of say 100 thousand |
|
0
a5a898f6886c
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parents:
diff
changeset
|
1403 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1404 * @return the max columns |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1405 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1406 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1407 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
|
1408 return 100*1000; // soft limit it to 100 thousand |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1409 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1410 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1411 /** |
|
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
|
1412 * 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
|
1413 * |
|
332
e8962bdaa206
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
331
diff
changeset
|
1414 * @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
|
1415 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1416 @Override |
|
7
b3ca1157be73
Improve DatabaseMetaData.getDatabaseProductVersion() to never return a null String.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
0
diff
changeset
|
1417 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
|
1418 return con.getMaxConnections(); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1419 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1420 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1421 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1422 * What is the maximum cursor name length |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1423 * 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
|
1424 * a precaution for maybe the future. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1425 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1426 * @return max cursor name length in bytes |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1429 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
|
1430 return 0; // no specific limit known |
|
0
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 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1433 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1434 * 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
|
1435 * of the parts of the index. |
|
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 * @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
|
1438 * 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
|
1439 * 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
|
1440 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1441 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1442 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
|
1443 return 0; // no specific limit known |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1444 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1445 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1446 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1447 * 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
|
1448 * allows in a schema name. |
|
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 * @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
|
1451 * limit is unknown. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1452 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1453 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1454 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
|
1455 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
|
1456 } |
|
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 * 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
|
1460 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1461 * @return the max name length in bytes |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1462 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1463 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1464 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
|
1465 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
|
1466 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1467 |
|
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 * What is the maximum length of a catalog |
|
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 * @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
|
1472 * 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
|
1473 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1474 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1475 public int getMaxCatalogNameLength() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1476 return 0; // MonetDB does not support catalog names |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1477 } |
|
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 * 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
|
1481 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1482 * @return max row size in bytes |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1483 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1484 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1485 public int getMaxRowSize() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1486 return 0; // very long I hope... |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1487 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1488 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1489 /** |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1490 * 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
|
1491 * blobs? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1492 * Yes I thought so... |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1493 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1494 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1495 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1496 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1497 public boolean doesMaxRowSizeIncludeBlobs() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1498 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1499 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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 * 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
|
1503 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1504 * @return max length in bytes |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1505 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1506 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1507 public int getMaxStatementLength() { |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1508 return 2*1024*1024*1024 - 2; // MonetDB supports null terminated strings of max 2GB, see function: int UTF8_strlen() |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1509 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1510 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1511 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1512 * 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
|
1513 * this database? Basically, since each Statement downloads |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1514 * the results as the query is executed, we can have many. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1515 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1516 * @return the maximum |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1517 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1518 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1519 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
|
1520 return 0; // no specific limit known |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1521 } |
|
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 * 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
|
1525 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1526 * @return max name length in bytes |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1529 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
|
1530 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
|
1531 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1532 |
|
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 * 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
|
1535 * in a SELECT? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1536 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1537 * @return the maximum |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1538 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1539 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1540 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
|
1541 return 0; // no specific limit known |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1542 } |
|
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 * 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
|
1546 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1547 * @return the max name length in bytes |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1548 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1549 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1550 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
|
1551 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
|
1552 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1553 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1554 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1555 * 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
|
1556 * 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
|
1557 * reads can occur. |
|
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 * @return the default isolation level |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1560 * @see Connection |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1561 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1562 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1563 public int getDefaultTransactionIsolation() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1564 return Connection.TRANSACTION_SERIALIZABLE; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1565 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1566 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1567 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1568 * 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
|
1569 * 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
|
1570 * transactions. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1571 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1572 * @return true if transactions are supported |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1573 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1574 @Override |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1575 public boolean supportsTransactions() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1576 return true; |
|
a5a898f6886c
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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 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1579 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1580 * 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
|
1581 * We only support TRANSACTION_SERIALIZABLE as far as I know |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1582 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1583 * @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
|
1584 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1585 * @see Connection |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1586 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1587 @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
|
1588 public boolean supportsTransactionIsolationLevel(final int level) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1589 return level == Connection.TRANSACTION_SERIALIZABLE; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
1590 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1591 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1592 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1593 * Are both data definition and data manipulation transactions |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1594 * supported? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1595 * 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
|
1596 * yes it is. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1597 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1598 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1599 */ |
|
a5a898f6886c
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parents:
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changeset
|
1600 @Override |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1601 public boolean supportsDataDefinitionAndDataManipulationTransactions() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
1602 return true; |
|
a5a898f6886c
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parents:
diff
changeset
|
1603 } |
|
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parents:
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changeset
|
1604 |
|
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parents:
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changeset
|
1605 /** |
|
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parents:
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changeset
|
1606 * Are only data manipulation statements within a transaction |
|
a5a898f6886c
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parents:
diff
changeset
|
1607 * supported? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1608 * |
|
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|
1609 * @return true if so |
|
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|
1610 */ |
|
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parents:
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changeset
|
1611 @Override |
|
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parents:
diff
changeset
|
1612 public boolean supportsDataManipulationTransactionsOnly() { |
|
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changeset
|
1613 return false; |
|
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parents:
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|
1614 } |
|
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|
1615 |
|
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changeset
|
1616 /** |
|
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|
1617 * Does a data definition statement within a transaction force |
|
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parents:
diff
changeset
|
1618 * the transaction to commit? I think this means something like: |
|
a5a898f6886c
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|
1619 * |
|
194
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
1620 * <pre> |
|
0
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|
1621 * CREATE TABLE T (A INT); |
|
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parents:
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|
1622 * INSERT INTO T (A) VALUES (2); |
|
a5a898f6886c
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parents:
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|
1623 * BEGIN; |
|
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changeset
|
1624 * UPDATE T SET A = A + 1; |
|
a5a898f6886c
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changeset
|
1625 * CREATE TABLE X (A INT); |
|
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changeset
|
1626 * SELECT A FROM T INTO X; |
|
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|
1627 * COMMIT; |
|
194
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|
1628 * </pre> |
|
0
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parents:
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changeset
|
1629 * |
|
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parents:
diff
changeset
|
1630 * does the CREATE TABLE call cause a commit? The answer is no. |
|
a5a898f6886c
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changeset
|
1631 * |
|
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changeset
|
1632 * @return true if so |
|
a5a898f6886c
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parents:
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changeset
|
1633 */ |
|
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parents:
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changeset
|
1634 @Override |
|
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parents:
diff
changeset
|
1635 public boolean dataDefinitionCausesTransactionCommit() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1636 return false; |
|
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|
1637 } |
|
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|
1638 |
|
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|
1639 /** |
|
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|
1640 * Is a data definition statement within a transaction ignored? |
|
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|
1641 * |
|
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|
1642 * @return true if so |
|
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|
1643 */ |
|
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|
1644 @Override |
|
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|
1645 public boolean dataDefinitionIgnoredInTransactions() { |
|
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|
1646 return false; |
|
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|
1647 } |
|
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|
1648 |
|
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|
1649 /** |
|
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|
1650 * Get a description of stored procedures available in a catalog |
|
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|
1651 * |
|
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|
1652 * <p>Only procedure descriptions matching the schema and procedure |
|
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|
1653 * name criteria are returned. They are ordered by PROCEDURE_SCHEM, |
|
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|
1654 * PROCEDURE_NAME and SPECIFIC_NAME. |
|
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|
1655 * |
|
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|
1656 * <p>Each procedure description has the following columns: |
|
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|
1657 * <ol> |
|
194
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1658 * <li><b>PROCEDURE_CAT</b> String => procedure catalog (may be null) |
|
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1659 * <li><b>PROCEDURE_SCHEM</b> String => procedure schema (may be null) |
|
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1660 * <li><b>PROCEDURE_NAME</b> String => procedure name |
|
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|
1661 * <li><b>Field4</b> reserved (make it null) |
|
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|
1662 * <li><b>Field5</b> reserved (make it null) |
|
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|
1663 * <li><b>Field6</b> reserved (make it null) |
|
194
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1664 * <li><b>REMARKS</b> String => explanatory comment on the procedure |
|
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1665 * <li><b>PROCEDURE_TYPE</b> short => kind of procedure |
|
0
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|
1666 * <ul> |
|
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1667 * <li> procedureResultUnknown - May return a result |
|
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|
1668 * <li> procedureNoResult - Does not return a result |
|
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|
1669 * <li> procedureReturnsResult - Returns a result |
|
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|
1670 * </ul> |
|
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|
1671 * <li><b>SPECIFIC_NAME</b> String => The name which uniquely identifies this procedure within its schema. |
|
0
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|
1672 * </ol> |
|
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|
1673 * |
|
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|
1674 * @param catalog - a catalog name; must match the catalog name as it is stored in the database; |
|
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|
1675 * "" retrieves those without a catalog; |
|
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|
1676 * null means that the catalog name should not be used to narrow the search |
|
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|
1677 * @param schemaPattern - a schema name pattern; must match the schema name as it is stored in the database; |
|
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|
1678 * "" retrieves those without a schema; |
|
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|
1679 * null means that the schema name should not be used to narrow the search |
|
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|
1680 * @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
diff
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|
1681 * 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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|
1682 * @return ResultSet - each row is a procedure description |
|
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|
1683 * @throws SQLException if a database access error occurs |
|
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|
1684 */ |
|
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|
1685 @Override |
|
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|
1686 public ResultSet getProcedures( |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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|
1687 final String catalog, |
|
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Add "final" keyword to method arguments and local variables where possible.
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|
1688 final String schemaPattern, |
|
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|
1689 final String procedureNamePattern |
|
0
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|
1690 ) throws SQLException |
|
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|
1691 { |
|
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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331
diff
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|
1692 final boolean useCommentsTable = con.commentsTableExists(); |
|
295
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diff
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|
1693 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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216
diff
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|
1694 query.append("SELECT cast(null as char(1)) AS \"PROCEDURE_CAT\", " + |
|
302
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
1695 "s.\"name\" AS \"PROCEDURE_SCHEM\", " + |
|
1b6c514106ce
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diff
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|
1696 "f.\"name\" AS \"PROCEDURE_NAME\", " + |
|
0
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changeset
|
1697 "cast(null as char(1)) AS \"Field4\", " + |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
1698 "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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|
1699 "cast(null as char(1)) AS \"Field6\", ") |
|
302
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diff
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|
1700 .append(useCommentsTable ? "COALESCE(cm.\"remark\", cast(f.\"func\" as varchar(9999)))" : "cast(f.\"func\" as varchar(9999))").append(" AS \"REMARKS\", " + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
1701 // 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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|
1702 "cast(" + DatabaseMetaData.procedureNoResult + " AS smallint) AS \"PROCEDURE_TYPE\", " + |
|
0
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|
1703 // 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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|
1704 "cast(f.\"id\" as varchar(10)) AS \"SPECIFIC_NAME\" " + |
|
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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|
1705 "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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diff
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|
1706 "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
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|
1707 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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|
1708 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
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|
1709 } |
|
0
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|
1710 // include procedures only (type = 2). Others will be returned via getFunctions() |
|
302
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|
1711 query.append("WHERE f.\"type\" = 2"); |
|
0
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|
1712 |
|
216
116b5a149fb4
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diff
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|
1713 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
1714 // non-empty catalog selection. |
|
0
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|
1715 // as we do not support catalogs this always results in no rows returned |
|
352
f62137dd6050
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|
1716 query.append(" AND 1=0"); |
|
216
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|
1717 } else { |
|
323
8701024a9bb0
In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
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|
1718 if (schemaPattern != null && !schemaPattern.equals("%")) { |
|
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|
1719 query.append(" AND s.\"name\" ").append(composeMatchPart(schemaPattern)); |
|
216
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|
1720 } |
|
323
8701024a9bb0
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|
1721 if (procedureNamePattern != null && !procedureNamePattern.equals("%")) { |
|
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|
1722 query.append(" AND f.\"name\" ").append(composeMatchPart(procedureNamePattern)); |
|
216
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|
1723 } |
|
0
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|
1724 } |
|
216
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|
1725 |
|
0
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changeset
|
1726 query.append(" ORDER BY \"PROCEDURE_SCHEM\", \"PROCEDURE_NAME\", \"SPECIFIC_NAME\""); |
|
a5a898f6886c
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|
1727 |
|
a5a898f6886c
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changeset
|
1728 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
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|
1729 } |
|
a5a898f6886c
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changeset
|
1730 |
|
a5a898f6886c
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changeset
|
1731 /** |
|
a5a898f6886c
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changeset
|
1732 * Get a description of a catalog's stored procedure parameters |
|
a5a898f6886c
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changeset
|
1733 * and result columns. |
|
a5a898f6886c
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changeset
|
1734 * |
|
a5a898f6886c
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|
1735 * <p>Only descriptions matching the schema, procedure and parameter name |
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1736 * criteria are returned. They are ordered by PROCEDURE_SCHEM, PROCEDURE_NAME |
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1737 * and SPECIFIC_NAME. Within this, the return value, if any, is first. |
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1738 * Next are the parameter descriptions in call order. The |
|
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1739 * column descriptions follow in column number order. |
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1740 * |
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1741 * <p>Each row in the ResultSet is a parameter description or column |
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1742 * description with the following fields: |
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1743 * <ol> |
|
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1744 * <li><b>PROCEDURE_CAT</b> String => procedure catalog (may be null) |
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1745 * <li><b>PROCEDURE_SCHEM</b> String => procedure schema (may be null) |
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1746 * <li><b>PROCEDURE_NAME</b> String => procedure name |
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1747 * <li><b>COLUMN_NAME</b> String => column/parameter name |
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1748 * <li><b>COLUMN_TYPE</b> Short => kind of column/parameter: |
|
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|
1749 * <ul><li>procedureColumnUnknown - nobody knows |
|
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|
1750 * <li>procedureColumnIn - IN parameter |
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|
1751 * <li>procedureColumnInOut - INOUT parameter |
|
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|
1752 * <li>procedureColumnOut - OUT parameter |
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|
1753 * <li>procedureColumnReturn - procedure return value |
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1754 * <li>procedureColumnResult - result column in ResultSet |
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1755 * </ul> |
|
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1756 * <li><b>DATA_TYPE</b> int => SQL type from java.sql.Types |
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1757 * <li><b>TYPE_NAME</b> String => SQL type name, for a UDT type the type name is fully qualified |
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1758 * <li><b>PRECISION</b> int => precision |
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1759 * <li><b>LENGTH</b> int => length in bytes of data |
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1760 * <li><b>SCALE</b> short => scale - null is returned for data types where SCALE is not applicable. |
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1761 * <li><b>RADIX</b> short => radix |
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1762 * <li><b>NULLABLE</b> short => can it contain NULL? |
|
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1763 * <ul><li>procedureNoNulls - does not allow NULL values |
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1764 * <li>procedureNullable - allows NULL values |
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1765 * <li>procedureNullableUnknown - nullability unknown |
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1766 * </ul> |
|
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1767 * <li><b>REMARKS</b> String => comment describing parameter/column |
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1768 * <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) |
|
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1769 * The string NULL (not enclosed in quotes) - if NULL was specified as the default value |
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1770 * TRUNCATE (not enclosed in quotes) - if the specified default value cannot be represented without truncation |
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1771 * NULL - if a default value was not specified |
|
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1772 * <li><b>SQL_DATA_TYPE</b> int => reserved for future use |
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1773 * <li><b>SQL_DATETIME_SUB</b> int => reserved for future use |
|
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1774 * <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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1775 * <li><b>ORDINAL_POSITION</b> int => the ordinal position, starting from 1, for the input and output parameters for a procedure. |
|
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1776 * 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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1777 * 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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1778 * <li><b>IS_NULLABLE</b> String => ISO rules are used to determine the nullability for a column. |
|
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1779 * <ul><li>YES --- if the parameter can include NULLs |
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1780 * <li>NO --- if the parameter cannot include NULLs |
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1781 * <li>empty string --- if the nullability for the parameter is unknown |
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1782 * </ul> |
|
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1783 * <li><b>SPECIFIC_NAME</b> String => the name which uniquely identifies this procedure within its schema. |
|
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1784 * </ol> |
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1785 * @param catalog - a catalog name; must match the catalog name as it is stored in the database; |
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1786 * "" retrieves those without a catalog; |
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1787 * null means that the catalog name should not be used to narrow the search |
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1788 * @param schemaPattern - a schema name pattern; must match the schema name as it is stored in the database; |
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1789 * "" retrieves those without a schema; |
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1790 * null means that the schema name should not be used to narrow the search |
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|
1791 * @param procedureNamePattern - a procedure name pattern; must match the procedure name as it is stored in the database |
|
371
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1792 * 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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1793 * @param columnNamePattern - a column name pattern; must match the column name as it is stored in the database |
|
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1794 * 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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1795 * @return ResultSet - each row describes a stored procedure parameter or column |
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1796 * @throws SQLException if a database-access error occurs |
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1797 * @see #getSearchStringEscape |
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1798 */ |
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1799 @Override |
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1800 public ResultSet getProcedureColumns( |
|
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1801 final String catalog, |
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1802 final String schemaPattern, |
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1803 final String procedureNamePattern, |
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1804 final String columnNamePattern |
|
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1805 ) throws SQLException { |
|
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1806 final StringBuilder query = new StringBuilder(2900); |
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1807 query.append("SELECT cast(null as char(1)) AS \"PROCEDURE_CAT\", " + |
|
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1808 "s.\"name\" AS \"PROCEDURE_SCHEM\", " + |
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1809 "f.\"name\" AS \"PROCEDURE_NAME\", " + |
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1810 "a.\"name\" AS \"COLUMN_NAME\", " + |
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1811 "cast(CASE a.\"inout\"" + |
|
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1812 " WHEN 0 THEN (CASE a.\"number\" WHEN 0 THEN " + DatabaseMetaData.procedureColumnReturn + " ELSE " + DatabaseMetaData.procedureColumnOut + " END)" + |
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1813 " WHEN 1 THEN " + DatabaseMetaData.procedureColumnIn + |
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1814 " ELSE " + DatabaseMetaData.procedureColumnUnknown + " END AS smallint) AS \"COLUMN_TYPE\", " + |
|
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1815 "cast(").append(MonetDriver.getSQLTypeMap("a.\"type\"")).append(" AS int) AS \"DATA_TYPE\", " + |
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1816 "a.\"type\" AS \"TYPE_NAME\", " + |
|
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1817 "CASE a.\"type\" WHEN 'tinyint' THEN 3 WHEN 'smallint' THEN 5 WHEN 'int' THEN 10 WHEN 'bigint' THEN 19" + |
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1818 " WHEN 'hugeint' THEN 38 WHEN 'oid' THEN 19 WHEN 'wrd' THEN 19 ELSE a.\"type_digits\" END AS \"PRECISION\", " + |
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1819 "CASE a.\"type\" WHEN 'tinyint' THEN 1 WHEN 'smallint' THEN 2 WHEN 'int' THEN 4 WHEN 'bigint' THEN 8" + |
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1820 " WHEN 'hugeint' THEN 16 WHEN 'oid' THEN 8 WHEN 'wrd' THEN 8 ELSE a.\"type_digits\" END AS \"LENGTH\", " + |
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1821 "cast(CASE WHEN a.\"type\" IN ('tinyint','smallint','int','bigint','hugeint','oid','wrd','decimal','numeric'," + |
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|
1822 "'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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1823 "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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1824 " WHEN a.\"type\" IN ('real','float','double') THEN 2 ELSE NULL END AS smallint) AS \"RADIX\", " + |
|
759
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1825 // mvd: do not remove next append. The String above is same as used by getFunctionColumns, so shared in class file. |
|
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1826 "cast(").append(DatabaseMetaData.procedureNullableUnknown).append(" AS smallint) AS \"NULLABLE\", " + |
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1827 "cast(null as char(1)) AS \"REMARKS\", " + |
|
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1828 "cast(null as char(1)) AS \"COLUMN_DEF\", " + |
|
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1829 "cast(0 as int) AS \"SQL_DATA_TYPE\", " + |
|
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1830 "cast(0 as int) AS \"SQL_DATETIME_SUB\", " + |
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1831 "cast(CASE WHEN a.\"type\" IN ('char','varchar','clob') THEN a.\"type_digits\" ELSE NULL END as int) AS \"CHAR_OCTET_LENGTH\", " + |
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1832 // 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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1833 "cast(a.\"number\" + 1 as int) AS \"ORDINAL_POSITION\", " + |
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1834 "cast('' as varchar(3)) AS \"IS_NULLABLE\", " + |
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1835 // 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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1836 "cast(f.\"id\" as varchar(10)) AS \"SPECIFIC_NAME\" " + |
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1837 "FROM \"sys\".\"args\" a " + |
|
352
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1838 "JOIN \"sys\".\"functions\" f ON a.\"func_id\" = f.\"id\" " + |
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1839 "JOIN \"sys\".\"schemas\" s ON f.\"schema_id\" = s.\"id\" " + |
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1840 // include procedures only (type = 2). Others will be returned via getFunctionColumns() |
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1841 "WHERE f.\"type\" = 2"); |
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1842 |
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1843 if (catalog != null && !catalog.isEmpty()) { |
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1844 // non-empty catalog selection. |
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1845 // as we do not support catalogs this always results in no rows returned |
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1846 query.append(" AND 1=0"); |
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1847 } else { |
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1848 if (schemaPattern != null && !schemaPattern.equals("%")) { |
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1849 query.append(" AND s.\"name\" ").append(composeMatchPart(schemaPattern)); |
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1850 } |
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1851 if (procedureNamePattern != null && !procedureNamePattern.equals("%")) { |
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1852 query.append(" AND f.\"name\" ").append(composeMatchPart(procedureNamePattern)); |
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1853 } |
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1854 if (columnNamePattern != null && !columnNamePattern.equals("%")) { |
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1855 query.append(" AND a.\"name\" ").append(composeMatchPart(columnNamePattern)); |
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216
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1856 } |
|
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1857 } |
|
216
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1858 |
|
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1859 query.append(" ORDER BY \"PROCEDURE_SCHEM\", \"PROCEDURE_NAME\", \"SPECIFIC_NAME\", \"ORDINAL_POSITION\""); |
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1860 |
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1861 return executeMetaDataQuery(query.toString()); |
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1862 } |
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1863 |
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1864 /** |
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1865 * Retrieves a description of the tables available in the given catalog. |
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1866 * Only table descriptions matching the catalog, schema, table name and type criteria are returned. |
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1867 * They are ordered by TABLE_TYPE, TABLE_CAT, TABLE_SCHEM and TABLE_NAME. |
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1868 * |
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1869 * <p>Each table description has the following columns: |
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1870 * |
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1871 * <ol> |
|
194
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1872 * <li><b>TABLE_CAT</b> String => table catalog (may be null) |
|
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1873 * <li><b>TABLE_SCHEM</b> String => table schema (may be null) |
|
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1874 * <li><b>TABLE_NAME</b> String => table name |
|
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1875 * <li><b>TABLE_TYPE</b> String => table type. Typical types are "TABLE", |
|
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|
1876 * "VIEW", "SYSTEM TABLE", "GLOBAL TEMPORARY", "LOCAL TEMPORARY", "ALIAS", "SYNONYM". |
|
194
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1877 * <li><b>REMARKS</b> String => explanatory comment on the table |
|
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1878 * <li><b>TYPE_CAT</b> String => the types catalog (may be null) |
|
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1879 * <li><b>TYPE_SCHEM</b> String => the types schema (may be null) |
|
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1880 * <li><b>TYPE_NAME</b> String => type name (may be null) |
|
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1881 * <li><b>SELF_REFERENCING_COL_NAME</b> String => name of the designated "identifier" column of a typed table (may be null) |
|
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|
1882 * <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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|
1883 * </ol> |
|
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1884 * |
|
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1885 * @param catalog - a catalog name; must match the catalog name as it is stored in the database; |
|
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1886 * "" retrieves those without a catalog; null means that the |
|
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|
1887 * catalog name should not be used to narrow the search |
|
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1888 * @param schemaPattern - a schema name pattern; must match the schema name as it is stored |
|
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|
1889 * in the database; "" retrieves those without a schema; |
|
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|
1890 * null means that the schema name should not be used to narrow the search |
|
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|
1891 * @param tableNamePattern - a table name pattern; must match the table name as it is stored in the database |
|
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|
1892 * For all tables this should be "%" |
|
371
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|
1893 * 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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1894 * @param types - a list of table types, which must be from the list of table types returned |
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1895 * from getTableTypes(),to include; null returns all types |
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1896 * @return ResultSet - each row is a table description |
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1897 * @throws SQLException if a database-access error occurs. |
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1898 */ |
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|
1899 @Override |
|
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|
1900 public ResultSet getTables( |
|
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1901 final String catalog, |
|
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1902 final String schemaPattern, |
|
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1903 final String tableNamePattern, |
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1904 final String types[] |
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1905 ) throws SQLException |
|
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1906 { |
|
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1907 // as of Jul2015 release the sys.tables.type values (0 through 6) is extended with new values 10, 11, 20, and 30 (for system and temp tables/views). |
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1908 // as of Jul2015 release we also have a new table: sys.table_types with names for the new table types |
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|
1909 // for correct behavior we need to know if the server is using the old (pre Jul2015) or new sys.tables.type values |
|
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1910 final boolean preJul2015 = ("11.19.15".compareTo(getDatabaseProductVersion()) >= 0); |
|
331
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1911 // for debug: System.out.println("getDatabaseProductVersion() is " + getDatabaseProductVersion() + " preJul2015 is " + preJul2015); |
|
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1912 |
|
332
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|
1913 final boolean useCommentsTable = con.commentsTableExists(); |
|
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1914 final StringBuilder query = new StringBuilder(1600); |
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|
1915 if (preJul2015 && types != null && types.length > 0) { |
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|
1916 // we need to filter on the constructed "TABLE_TYPE" expression, this is only possible when we use a subquery in the FROM |
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1917 query.append("SELECT * FROM ("); |
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1918 } |
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1919 query.append("SELECT cast(null as char(1)) AS \"TABLE_CAT\", " + |
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1920 "s.\"name\" AS \"TABLE_SCHEM\", " + |
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1921 "t.\"name\" AS \"TABLE_NAME\", "); |
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1922 if (preJul2015) { |
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1923 query.append( |
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1924 "CASE WHEN t.\"system\" = true AND t.\"type\" IN (0, 10) AND t.\"temporary\" = 0 THEN 'SYSTEM TABLE' " + |
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1925 "WHEN t.\"system\" = true AND t.\"type\" IN (1, 11) AND t.\"temporary\" = 0 THEN 'SYSTEM VIEW' " + |
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1926 "WHEN t.\"system\" = false AND t.\"type\" = 0 AND t.\"temporary\" = 0 THEN 'TABLE' " + |
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1927 "WHEN t.\"system\" = false AND t.\"type\" = 1 AND t.\"temporary\" = 0 THEN 'VIEW' " + |
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1928 "WHEN t.\"system\" = true AND t.\"type\" IN (0, 20) AND t.\"temporary\" = 1 THEN 'SYSTEM SESSION TABLE' " + |
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1929 "WHEN t.\"system\" = true AND t.\"type\" IN (1, 21) AND t.\"temporary\" = 1 THEN 'SYSTEM SESSION VIEW' " + |
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1930 "WHEN t.\"system\" = false AND t.\"type\" IN (0, 30) AND t.\"temporary\" = 1 THEN 'SESSION TABLE' " + |
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1931 "WHEN t.\"system\" = false AND t.\"type\" IN (1, 31) AND t.\"temporary\" = 1 THEN 'SESSION VIEW' " + |
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1932 "END AS \"TABLE_TYPE\", "); |
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1933 } else { |
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1934 query.append("tt.\"table_type_name\" AS \"TABLE_TYPE\", "); |
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1935 } |
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1936 query.append(useCommentsTable ? "COALESCE(cm.\"remark\", t.\"query\")" : "t.\"query\"").append(" AS \"REMARKS\", " + |
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1937 "cast(null as char(1)) AS \"TYPE_CAT\", " + |
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1938 "cast(null as char(1)) AS \"TYPE_SCHEM\", " + |
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1939 "cast(null as char(1)) AS \"TYPE_NAME\", " + |
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1940 "cast(null as char(1)) AS \"SELF_REFERENCING_COL_NAME\", " + |
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1941 "cast(null as char(1)) AS \"REF_GENERATION\" " + |
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1942 "FROM \"sys\".\"tables\" t "); |
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1943 if (!preJul2015) { |
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1944 query.append("JOIN \"sys\".\"table_types\" tt ON t.\"type\" = tt.\"table_type_id\" "); |
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1945 } |
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1946 query.append("JOIN \"sys\".\"schemas\" s ON t.\"schema_id\" = s.\"id\" "); |
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1947 if (useCommentsTable) { |
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1948 query.append("LEFT OUTER JOIN \"sys\".\"comments\" cm ON t.\"id\" = cm.\"id\" "); |
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1949 } |
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1950 |
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1951 boolean needWhere = true; |
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1952 if (catalog != null && !catalog.isEmpty()) { |
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1953 // non-empty catalog selection. |
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1954 // as we do not support catalogs this always results in no rows returned |
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1955 query.append("WHERE 1=0"); |
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1956 needWhere = false; |
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1957 } else { |
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1958 if (schemaPattern != null && !schemaPattern.equals("%")) { |
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1959 query.append("WHERE s.\"name\" ").append(composeMatchPart(schemaPattern)); |
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1960 needWhere = false; |
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1961 } |
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1962 if (tableNamePattern != null && !tableNamePattern.equals("%")) { |
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1963 query.append(needWhere ? "WHERE" : " AND") |
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1964 .append(" t.\"name\" ").append(composeMatchPart(tableNamePattern)); |
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1965 needWhere = false; |
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1966 } |
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1967 } |
|
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1968 |
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1969 if (types != null && types.length > 0) { |
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1970 if (preJul2015) { |
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1971 query.append(") AS \"getTables\" WHERE \"TABLE_TYPE\" IN ("); |
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1972 } else { |
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1973 query.append(needWhere ? "WHERE" : " AND") |
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1974 .append(" tt.\"table_type_name\" IN ("); |
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1975 } |
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1976 for (int i = 0; i < types.length; i++) { |
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1977 if (i > 0) { |
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1978 query.append(", "); |
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1979 } |
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1980 query.append("'").append(types[i]).append("'"); |
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1981 } |
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1982 query.append(")"); |
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1983 } |
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1984 |
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|
1985 query.append(" ORDER BY \"TABLE_TYPE\", \"TABLE_SCHEM\", \"TABLE_NAME\""); |
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1986 |
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1987 return executeMetaDataQuery(query.toString()); |
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1988 } |
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|
1989 |
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|
1990 /** |
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|
1991 * Get the schema names available in this database. The results |
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1992 * are ordered by schema name. |
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1993 * |
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|
1994 * <P>The schema column is: |
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1995 * <OL> |
|
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1996 * <LI><B>TABLE_SCHEM</B> String => schema name |
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1997 * <LI><B>TABLE_CATALOG</B> String => catalog name (may be null) |
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1998 * </OL> |
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1999 * |
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2000 * @param catalog a catalog name; must match the catalog name as it |
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2001 * is stored in the database;"" retrieves those without a |
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2002 * catalog; null means catalog name should not be used to |
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2003 * narrow down the search. |
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2004 * @param schemaPattern a schema name; must match the schema name as |
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|
2005 * it is stored in the database; null means schema name |
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2006 * should not be used to narrow down the search. |
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|
2007 * @return ResultSet each row has a single String column that is a |
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2008 * schema name |
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|
2009 * @throws SQLException if a database error occurs |
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2010 */ |
|
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2011 @Override |
|
295
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2012 public ResultSet getSchemas(final String catalog, final String schemaPattern) |
|
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2013 throws SQLException |
|
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2014 { |
|
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2015 final StringBuilder query = new StringBuilder(170); |
|
0
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2016 query.append("SELECT \"name\" AS \"TABLE_SCHEM\", " + |
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2017 "cast(null as char(1)) AS \"TABLE_CATALOG\" " + |
|
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2018 "FROM \"sys\".\"schemas\" "); |
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2019 |
|
216
116b5a149fb4
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2020 if (catalog != null && !catalog.isEmpty()) { |
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2021 // non-empty catalog selection. |
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2022 // as we do not support catalogs this always results in no rows returned |
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2023 query.append("WHERE 1=0"); |
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2024 } else { |
|
323
8701024a9bb0
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2025 if (schemaPattern != null && !schemaPattern.equals("%")) { |
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2026 query.append("WHERE \"name\" ").append(composeMatchPart(schemaPattern)); |
|
0
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2027 } |
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|
2028 } |
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|
2029 query.append(" ORDER BY \"TABLE_SCHEM\""); |
|
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|
2030 |
|
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2031 return executeMetaDataQuery(query.toString()); |
|
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|
2032 } |
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2033 |
|
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|
2034 /** |
|
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|
2035 * Get the catalog names available in this database. The results |
|
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2036 * are ordered by catalog name. |
|
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2037 * |
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2038 * <P>The catalog column is: |
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2039 * <OL> |
|
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2040 * <LI><B>TABLE_CAT</B> String => catalog name |
|
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2041 * </OL> |
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2042 * |
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2043 * |
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2044 * @return ResultSet each row has a single String column that is a |
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2045 * catalog name |
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2046 * @throws SQLException if a database error occurs |
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2047 */ |
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2048 @Override |
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2049 public ResultSet getCatalogs() throws SQLException { |
|
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2050 // MonetDB does NOT support catalogs. |
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2051 // Return a resultset with no rows |
|
352
f62137dd6050
Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
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2052 return executeMetaDataQuery("SELECT cast(null as char(1)) AS \"TABLE_CAT\" WHERE 1=0"); |
|
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2053 } |
|
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2054 |
|
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2055 /** |
|
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2056 * Get the table types available in this database. |
|
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2057 * The results are ordered by table type. |
|
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2058 * |
|
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2059 * <P>The table type is: |
|
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2060 * <OL> |
|
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2061 * <LI><B>TABLE_TYPE</B> String => table type. Typical types are "TABLE", |
|
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|
2062 * "VIEW", "SYSTEM TABLE", "GLOBAL TEMPORARY", |
|
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|
2063 * "LOCAL TEMPORARY", "ALIAS", "SYNONYM". |
|
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|
2064 * </OL> |
|
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2065 * |
|
303
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2066 * @return ResultSet each row has a single String column that is a table type |
|
0
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|
2067 * @throws SQLException if a database error occurs |
|
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|
2068 */ |
|
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|
2069 @Override |
|
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|
2070 public ResultSet getTableTypes() throws SQLException { |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2071 // as of Jul2015 release we have a new table: sys.table_types with more table types |
|
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2072 String query = "SELECT \"table_type_name\" AS \"TABLE_TYPE\" FROM \"sys\".\"table_types\" ORDER BY 1"; |
|
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2073 |
|
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|
2074 // For old (pre jul2015) servers fall back to old behavior. |
|
303
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|
2075 if ("11.19.15".compareTo(getDatabaseProductVersion()) >= 0) |
|
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|
2076 query = "SELECT 'SESSION TABLE' AS \"TABLE_TYPE\" UNION ALL " + |
|
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|
2077 "SELECT 'SESSION VIEW' UNION ALL " + |
|
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|
2078 "SELECT 'SYSTEM SESSION TABLE' UNION ALL " + |
|
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|
2079 "SELECT 'SYSTEM SESSION VIEW' UNION ALL " + |
|
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|
2080 "SELECT 'SYSTEM TABLE' UNION ALL " + |
|
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|
2081 "SELECT 'SYSTEM VIEW' UNION ALL " + |
|
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|
2082 "SELECT 'TABLE' UNION ALL " + |
|
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|
2083 "SELECT 'VIEW' ORDER BY 1"; |
|
0
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|
2084 |
|
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changeset
|
2085 return executeMetaDataQuery(query); |
|
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|
2086 } |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2087 |
|
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|
2088 /** |
|
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|
2089 * Get a description of table columns available in a catalog. |
|
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|
2090 * |
|
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|
2091 * <P>Only column descriptions matching the catalog, schema, table |
|
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|
2092 * and column name criteria are returned. They are ordered by |
|
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|
2093 * TABLE_SCHEM, TABLE_NAME and ORDINAL_POSITION. |
|
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|
2094 * |
|
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|
2095 * <P>Each column description has the following columns: |
|
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|
2096 * <OL> |
|
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2097 * <LI><B>TABLE_CAT</B> String => table catalog (may be null) |
|
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|
2098 * <LI><B>TABLE_SCHEM</B> String => table schema (may be null) |
|
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|
2099 * <LI><B>TABLE_NAME</B> String => table name |
|
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|
2100 * <LI><B>COLUMN_NAME</B> String => column name |
|
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|
2101 * <LI><B>DATA_TYPE</B> int => SQL type from java.sql.Types |
|
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|
2102 * <LI><B>TYPE_NAME</B> String => Data source dependent type name |
|
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|
2103 * <LI><B>COLUMN_SIZE</B> int => column size. For char or date |
|
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|
2104 * types this is the maximum number of characters, for numeric or |
|
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|
2105 * decimal types this is precision. |
|
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|
2106 * <LI><B>BUFFER_LENGTH</B> is not used. |
|
194
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|
2107 * <LI><B>DECIMAL_DIGITS</B> int => the number of fractional digits |
|
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|
2108 * <LI><B>NUM_PREC_RADIX</B> int => Radix (typically either 10 or 2) |
|
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|
2109 * <LI><B>NULLABLE</B> int => is NULL allowed? |
|
0
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|
2110 * <UL> |
|
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|
2111 * <LI> columnNoNulls - might not allow NULL values |
|
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|
2112 * <LI> columnNullable - definitely allows NULL values |
|
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|
2113 * <LI> columnNullableUnknown - nullability unknown |
|
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|
2114 * </UL> |
|
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2115 * <LI><B>REMARKS</B> String => comment describing column (may be null) |
|
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2116 * <LI><B>COLUMN_DEF</B> String => default value (may be null) |
|
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2117 * <LI><B>SQL_DATA_TYPE</B> int => unused |
|
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|
2118 * <LI><B>SQL_DATETIME_SUB</B> int => unused |
|
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2119 * <LI><B>CHAR_OCTET_LENGTH</B> int => for char types the |
|
0
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|
2120 * maximum number of bytes in the column |
|
194
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|
2121 * <LI><B>ORDINAL_POSITION</B> int => index of column in table |
|
0
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|
2122 * (starting at 1) |
|
194
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2123 * <LI><B>IS_NULLABLE</B> String => "NO" means column definitely |
|
0
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|
2124 * does not allow NULL values; "YES" means the column might |
|
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|
2125 * allow NULL values. An empty string means nobody knows. |
|
194
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|
2126 * <LI><B>SCOPE_CATALOG</B> String => catalog of table that is the scope of a reference attribute (null if DATA_TYPE isn't REF) |
|
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|
2127 * <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
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|
2128 * <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
|
2129 * <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
|
2130 * SQL type from java.sql.Types (null if DATA_TYPE isn't DISTINCT or user-generated REF) |
|
194
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2131 * <LI><B>IS_AUTOINCREMENT</B> String => Indicates whether this column is auto incremented |
|
0
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|
2132 * <UL> |
|
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|
2133 * <LI> YES --- if the column is auto incremented |
|
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|
2134 * <LI> NO --- if the column is not auto incremented |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
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|
2135 * <LI> empty string --- if it cannot be determined whether the column is auto incremented |
|
0
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2136 * </UL> |
|
194
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2137 * <LI><B>IS_GENERATEDCOLUMN</B> String => Indicates whether this is a generated column |
|
0
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|
2138 * <UL> |
|
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2139 * <LI> YES --- if this a generated column |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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2140 * <LI> NO --- if this not a generated column |
|
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2141 * <LI> empty string --- if it cannot be determined whether this is a generated column |
|
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2142 * </UL> |
|
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2143 * </OL> |
|
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parents:
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|
2144 * |
|
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parents:
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|
2145 * @param catalog - a catalog name; must match the catalog name as it is stored in the database; |
|
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parents:
diff
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|
2146 * "" retrieves those without a catalog; null means that the |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2147 * 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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parents:
diff
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|
2148 * @param schemaPattern - a schema name pattern; must match the schema name as it is stored |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2149 * in the database; "" retrieves those without a schema; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2150 * null means that the schema name should not be used to narrow the search |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2151 * @param tableNamePattern - a table name pattern; must match the table name as it is stored in the database |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2152 * For all tables this should be "%" |
|
371
67fa5c6147d7
Correct SQL syntax in comment (LIKE "%" is not valid SQL in WHERE clause)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
370
diff
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|
2153 * 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
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|
2154 * @param columnNamePattern - a column name pattern; must match the column name as it is stored in the database |
|
371
67fa5c6147d7
Correct SQL syntax in comment (LIKE "%" is not valid SQL in WHERE clause)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
370
diff
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|
2155 * 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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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2156 * @return ResultSet - each row is a column description |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2157 * @throws SQLException if a database error occurs |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2158 * @see #getSearchStringEscape |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2159 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2160 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2161 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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294
diff
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|
2162 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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|
2163 final String schemaPattern, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
2164 final String tableNamePattern, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
2165 final String columnNamePattern |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2166 ) throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2167 { |
|
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
|
2168 final boolean useCommentsTable = con.commentsTableExists(); |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
2169 final StringBuilder query = new StringBuilder(2450); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2170 query.append("SELECT cast(null as char(1)) AS \"TABLE_CAT\", " + |
|
302
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
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|
2171 "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
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|
2172 "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
|
2173 "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
|
2174 "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
|
2175 "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
|
2176 "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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|
2177 "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
|
2178 "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
|
2179 "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
|
2180 "WHEN c.\"type\" IN ('int','smallint','tinyint','bigint','hugeint','float','real','double','oid','wrd') THEN 2 " + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2181 "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
|
2182 "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
|
2183 " 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
|
2184 " 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
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|
2185 " END AS int) AS \"NULLABLE\", ") |
|
302
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
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|
2186 .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>
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300
diff
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|
2187 "c.\"default\" AS \"COLUMN_DEF\", " + |
|
0
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|
2188 "cast(0 as int) AS \"SQL_DATA_TYPE\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2189 "cast(0 as int) AS \"SQL_DATETIME_SUB\", " + |
|
302
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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300
diff
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|
2190 "cast(CASE WHEN c.\"type\" IN ('char','varchar','clob') THEN c.\"type_digits\" ELSE NULL END as int) AS \"CHAR_OCTET_LENGTH\", " + |
|
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
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|
2191 "cast(c.\"number\" + 1 as int) AS \"ORDINAL_POSITION\", " + |
|
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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300
diff
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|
2192 "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
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|
2193 "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
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|
2194 "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
|
2195 "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
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|
2196 "cast(null AS smallint) AS \"SOURCE_DATA_TYPE\", " + |
|
302
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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300
diff
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|
2197 "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
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diff
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|
2198 "cast('NO' AS varchar(3)) AS \"IS_GENERATEDCOLUMN\" " + |
|
302
1b6c514106ce
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300
diff
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|
2199 "FROM \"sys\".\"columns\" c " + |
|
1b6c514106ce
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diff
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|
2200 "JOIN \"sys\".\"tables\" t ON c.\"table_id\" = t.\"id\" " + |
|
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300
diff
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|
2201 "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>
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213
diff
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|
2202 if (useCommentsTable) { |
|
302
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diff
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|
2203 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
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213
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|
2204 } |
|
0
a5a898f6886c
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diff
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|
2205 |
|
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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|
2206 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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|
2207 // non-empty catalog selection. |
|
0
a5a898f6886c
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2208 // as we do not support catalogs this always results in no rows returned |
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2209 query.append("WHERE 1=0"); |
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2210 } else { |
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2211 boolean needWhere = true; |
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2212 if (schemaPattern != null && !schemaPattern.equals("%")) { |
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2213 query.append("WHERE s.\"name\" ").append(composeMatchPart(schemaPattern)); |
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2214 needWhere = false; |
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2215 } |
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2216 if (tableNamePattern != null && !tableNamePattern.equals("%")) { |
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2217 query.append(needWhere ? "WHERE" : " AND") |
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2218 .append(" t.\"name\" ").append(composeMatchPart(tableNamePattern)); |
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2219 needWhere = false; |
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2220 } |
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2221 if (columnNamePattern != null && !columnNamePattern.equals("%")) { |
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2222 query.append(needWhere ? "WHERE" : " AND") |
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2223 .append(" c.\"name\" ").append(composeMatchPart(columnNamePattern)); |
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2224 } |
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2225 } |
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2226 |
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2227 query.append(" ORDER BY \"TABLE_SCHEM\", \"TABLE_NAME\", \"ORDINAL_POSITION\""); |
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2228 |
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2229 return executeMetaDataQuery(query.toString()); |
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2230 } |
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2231 |
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2232 /** |
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2233 * Get a description of the access rights for a table's columns. |
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2234 * MonetDB doesn't have this level of access rights. |
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2235 * |
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2236 * <P>Only privileges matching the column name criteria are |
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2237 * returned. They are ordered by COLUMN_NAME and PRIVILEGE. |
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2238 * |
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2239 * <P>Each privilige description has the following columns: |
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2240 * <OL> |
|
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2241 * <LI><B>TABLE_CAT</B> String => table catalog (may be null) |
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2242 * <LI><B>TABLE_SCHEM</B> String => table schema (may be null) |
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2243 * <LI><B>TABLE_NAME</B> String => table name |
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2244 * <LI><B>COLUMN_NAME</B> String => column name |
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2245 * <LI><B>GRANTOR</B> => grantor of access (may be null) |
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2246 * <LI><B>GRANTEE</B> String => grantee of access |
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2247 * <LI><B>PRIVILEGE</B> String => name of access (SELECT, |
|
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2248 * INSERT, UPDATE, REFRENCES, ...) |
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2249 * <LI><B>IS_GRANTABLE</B> String => "YES" if grantee is permitted |
|
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|
2250 * to grant to others; "NO" if not; null if unknown |
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|
2251 * </OL> |
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2252 * |
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2253 * @param catalog a catalog name; "" retrieves those without a catalog |
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2254 * @param schemaPattern a schema name; "" retrieves those without a schema |
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|
2255 * @param tableNamePattern a table name |
|
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2256 * 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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2257 * @param columnNamePattern a column name pattern |
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2258 * 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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|
2259 * @return ResultSet each row is a column privilege description |
|
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2260 * @see #getSearchStringEscape |
|
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|
2261 * @throws SQLException if a database error occurs |
|
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2262 */ |
|
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2263 @Override |
|
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|
2264 public ResultSet getColumnPrivileges( |
|
295
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2265 final String catalog, |
|
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|
2266 final String schemaPattern, |
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2267 final String tableNamePattern, |
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|
2268 final String columnNamePattern |
|
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|
2269 ) throws SQLException |
|
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|
2270 { |
|
332
e8962bdaa206
Moved utility methods and associated caches from DatabaseMetaData to Connection object.
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|
2271 final boolean usePrivilege_codesTable = con.privilege_codesTableExists(); |
|
295
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2272 final StringBuilder query = new StringBuilder(1100); |
|
0
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|
2273 query.append("SELECT cast(null as char(1)) AS \"TABLE_CAT\", " + |
|
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|
2274 "s.\"name\" AS \"TABLE_SCHEM\", " + |
|
1b6c514106ce
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|
2275 "t.\"name\" AS \"TABLE_NAME\", " + |
|
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|
2276 "c.\"name\" AS \"COLUMN_NAME\", " + |
|
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|
2277 "grantors.\"name\" AS \"GRANTOR\", " + |
|
1b6c514106ce
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|
2278 "grantees.\"name\" AS \"GRANTEE\", ") |
|
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|
2279 .append(usePrivilege_codesTable ? "pc.\"privilege_code_name\"" : |
|
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|
2280 "cast(CASE p.\"privileges\" " + |
|
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|
2281 "WHEN 1 THEN 'SELECT' " + |
|
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|
2282 "WHEN 2 THEN 'UPDATE' " + |
|
a5a898f6886c
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|
2283 "WHEN 4 THEN 'INSERT' " + |
|
a5a898f6886c
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|
2284 "WHEN 8 THEN 'DELETE' " + |
|
a5a898f6886c
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|
2285 "WHEN 16 THEN 'EXECUTE' " + |
|
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|
2286 "WHEN 32 THEN 'GRANT' " + |
|
a5a898f6886c
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|
2287 "ELSE NULL " + |
|
219
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|
2288 "END AS varchar(7))").append(" AS \"PRIVILEGE\", " + |
|
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|
2289 "cast(CASE p.\"grantable\" " + |
|
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|
2290 "WHEN 0 THEN 'NO' " + |
|
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|
2291 "WHEN 1 THEN 'YES' " + |
|
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|
2292 "ELSE NULL " + |
|
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|
2293 "END AS varchar(3)) AS \"IS_GRANTABLE\" " + |
|
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2294 "FROM \"sys\".\"privileges\" p " + |
|
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|
2295 "JOIN \"sys\".\"columns\" c ON p.\"obj_id\" = c.\"id\" " + |
|
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|
2296 "JOIN \"sys\".\"tables\" t ON c.\"table_id\" = t.\"id\" " + |
|
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2297 "JOIN \"sys\".\"schemas\" s ON t.\"schema_id\" = s.\"id\" " + |
|
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2298 "JOIN \"sys\".\"auths\" grantors ON p.\"grantor\" = grantors.\"id\" " + |
|
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|
2299 "JOIN \"sys\".\"auths\" grantees ON p.\"auth_id\" = grantees.\"id\" "); |
|
219
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2300 if (usePrivilege_codesTable) { |
|
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|
2301 query.append("JOIN \"sys\".\"privilege_codes\" pc ON p.\"privileges\" = pc.\"privilege_code_id\" "); |
|
219
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2302 } |
|
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2303 |
|
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2304 if (catalog != null && !catalog.isEmpty()) { |
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2306 // as we do not support catalogs this always results in no rows returned |
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2307 query.append("WHERE 1=0"); |
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2308 } else { |
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2309 boolean needWhere = true; |
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2310 if (schemaPattern != null && !schemaPattern.equals("%")) { |
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2311 query.append("WHERE s.\"name\" ").append(composeMatchPart(schemaPattern)); |
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2312 needWhere = false; |
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2313 } |
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2314 if (tableNamePattern != null && !tableNamePattern.equals("%")) { |
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2315 query.append(needWhere ? "WHERE" : " AND") |
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2316 .append(" t.\"name\" ").append(composeMatchPart(tableNamePattern)); |
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2317 needWhere = false; |
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2318 } |
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2319 if (columnNamePattern != null && !columnNamePattern.equals("%")) { |
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2320 query.append(needWhere ? "WHERE" : " AND") |
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2321 .append(" c.\"name\" ").append(composeMatchPart(columnNamePattern)); |
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2322 } |
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2323 } |
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2324 |
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|
2325 query.append(" ORDER BY \"TABLE_SCHEM\", \"TABLE_NAME\", \"COLUMN_NAME\", \"PRIVILEGE\""); |
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2326 |
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2327 return executeMetaDataQuery(query.toString()); |
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2328 } |
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2329 |
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2330 /** |
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2331 * Get a description of the access rights for each table available |
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2332 * in a catalog. |
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2333 * |
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2334 * <P>Only privileges matching the schema and table name |
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2335 * criteria are returned. They are ordered by TABLE_SCHEM, |
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2336 * TABLE_NAME, and PRIVILEGE. |
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2337 * |
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2338 * <P>Each privilege description has the following columns: |
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2339 * <OL> |
|
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2340 * <LI><B>TABLE_CAT</B> String => table catalog (may be null) |
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2341 * <LI><B>TABLE_SCHEM</B> String => table schema (may be null) |
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2342 * <LI><B>TABLE_NAME</B> String => table name |
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2343 * <LI><B>GRANTOR</B> => grantor of access (may be null) |
|
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2344 * <LI><B>GRANTEE</B> String => grantee of access |
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2345 * <LI><B>PRIVILEGE</B> String => name of access (SELECT, |
|
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2346 * INSERT, UPDATE, REFRENCES, ...) |
|
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2347 * <LI><B>IS_GRANTABLE</B> String => "YES" if grantee is permitted |
|
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|
2348 * to grant to others; "NO" if not; null if unknown |
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|
2349 * </OL> |
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|
2350 * |
|
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|
2351 * @param catalog a catalog name; "" retrieves those without a catalog |
|
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|
2352 * @param schemaPattern a schema name pattern; "" retrieves those without a schema |
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|
2353 * @param tableNamePattern a table name pattern |
|
371
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|
2354 * 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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|
2355 * @return ResultSet each row is a table privilege description |
|
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|
2356 * @see #getSearchStringEscape |
|
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|
2357 * @throws SQLException if a database error occurs |
|
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|
2358 */ |
|
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|
2359 @Override |
|
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|
2360 public ResultSet getTablePrivileges( |
|
295
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|
2361 final String catalog, |
|
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|
2362 final String schemaPattern, |
|
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|
2363 final String tableNamePattern |
|
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|
2364 ) throws SQLException |
|
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|
2365 { |
|
332
e8962bdaa206
Moved utility methods and associated caches from DatabaseMetaData to Connection object.
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|
2366 final boolean usePrivilege_codesTable = con.privilege_codesTableExists(); |
|
295
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|
2367 final StringBuilder query = new StringBuilder(1000); |
|
0
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|
2368 query.append("SELECT cast(null as char(1)) AS \"TABLE_CAT\", " + |
|
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|
2369 "s.\"name\" AS \"TABLE_SCHEM\", " + |
|
1b6c514106ce
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|
2370 "t.\"name\" AS \"TABLE_NAME\", " + |
|
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|
2371 "grantors.\"name\" AS \"GRANTOR\", " + |
|
1b6c514106ce
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|
2372 "grantees.\"name\" AS \"GRANTEE\", ") |
|
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|
2373 .append(usePrivilege_codesTable ? "pc.\"privilege_code_name\"" : |
|
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|
2374 "cast(CASE p.\"privileges\" " + |
|
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|
2375 "WHEN 1 THEN 'SELECT' " + |
|
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|
2376 "WHEN 2 THEN 'UPDATE' " + |
|
a5a898f6886c
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|
2377 "WHEN 4 THEN 'INSERT' " + |
|
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|
2378 "WHEN 8 THEN 'DELETE' " + |
|
a5a898f6886c
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|
2379 "WHEN 16 THEN 'EXECUTE' " + |
|
a5a898f6886c
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|
2380 "WHEN 32 THEN 'GRANT' " + |
|
a5a898f6886c
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|
2381 "ELSE NULL " + |
|
219
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|
2382 "END AS varchar(7))").append(" AS \"PRIVILEGE\", " + |
|
302
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|
2383 "cast(CASE p.\"grantable\" " + |
|
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|
2384 "WHEN 0 THEN 'NO' " + |
|
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|
2385 "WHEN 1 THEN 'YES' " + |
|
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|
2386 "ELSE NULL " + |
|
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|
2387 "END AS varchar(3)) AS \"IS_GRANTABLE\" " + |
|
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|
2388 "FROM \"sys\".\"privileges\" p " + |
|
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|
2389 "JOIN \"sys\".\"tables\" t ON p.\"obj_id\" = t.\"id\" " + |
|
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|
2390 "JOIN \"sys\".\"schemas\" s ON t.\"schema_id\" = s.\"id\" " + |
|
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|
2391 "JOIN \"sys\".\"auths\" grantors ON p.\"grantor\" = grantors.\"id\" " + |
|
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|
2392 "JOIN \"sys\".\"auths\" grantees ON p.\"auth_id\" = grantees.\"id\" "); |
|
219
4572f0694fde
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|
2393 if (usePrivilege_codesTable) { |
|
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|
2394 query.append("JOIN \"sys\".\"privilege_codes\" pc ON p.\"privileges\" = pc.\"privilege_code_id\" "); |
|
219
4572f0694fde
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|
2395 } |
|
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|
2396 |
|
216
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|
2397 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
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|
2398 // non-empty catalog selection. |
|
0
a5a898f6886c
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|
2399 // as we do not support catalogs this always results in no rows returned |
|
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|
2400 query.append("WHERE 1=0"); |
|
216
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|
2401 } else { |
|
372
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|
2402 boolean needWhere = true; |
|
323
8701024a9bb0
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diff
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|
2403 if (schemaPattern != null && !schemaPattern.equals("%")) { |
|
372
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diff
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|
2404 query.append("WHERE s.\"name\" ").append(composeMatchPart(schemaPattern)); |
|
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|
2405 needWhere = false; |
|
216
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|
2406 } |
|
323
8701024a9bb0
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|
2407 if (tableNamePattern != null && !tableNamePattern.equals("%")) { |
|
372
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371
diff
changeset
|
2408 query.append(needWhere ? "WHERE" : " AND") |
|
159c628527c4
Optimize SQL query generation by eliminating "WHERE 1=1" conditions
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diff
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|
2409 .append(" t.\"name\" ").append(composeMatchPart(tableNamePattern)); |
|
216
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|
2410 } |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2411 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2412 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2413 query.append(" ORDER BY \"TABLE_SCHEM\", \"TABLE_NAME\", \"PRIVILEGE\""); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2414 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2415 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2416 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2417 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2418 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2419 * Get a description of a table's optimal set of columns that |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2420 * uniquely identifies a row. They are ordered by SCOPE. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2421 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2422 * <P>Each column description has the following columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2423 * <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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diff
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|
2424 * <LI><B>SCOPE</B> short => actual scope of result |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2425 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2426 * <LI> bestRowTemporary - very temporary, while using row |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2427 * <LI> bestRowTransaction - valid for remainder of current transaction |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2428 * <LI> bestRowSession - valid for remainder of current session |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2429 * </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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|
2430 * <LI><B>COLUMN_NAME</B> String => column name |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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parents:
186
diff
changeset
|
2431 * <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
|
2432 * <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
|
2433 * <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
|
2434 * <LI><B>BUFFER_LENGTH</B> int => not used |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
2435 * <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
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|
2436 * <LI><B>PSEUDO_COLUMN</B> short => is this a pseudo column |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2437 * like an Oracle ROWID |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2438 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2439 * <LI> bestRowUnknown - may or may not be pseudo column |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2440 * <LI> bestRowNotPseudo - is NOT a pseudo column |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2441 * <LI> bestRowPseudo - is a pseudo column |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2442 * </UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2443 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2444 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2445 * @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
|
2446 * @param schema a schema name; "" retrieves those without a schema |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2447 * @param table a table name |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2448 * @param scope the scope of interest; use same values as SCOPE |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2449 * @param nullable include columns that are nullable? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2450 * @return ResultSet each row is a column description |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2451 * @throws SQLException if a database error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2452 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2453 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2454 public ResultSet getBestRowIdentifier( |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
294
diff
changeset
|
2455 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
|
2456 final String schema, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
294
diff
changeset
|
2457 final String table, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
294
diff
changeset
|
2458 final int scope, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
294
diff
changeset
|
2459 final boolean nullable |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2460 ) throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2461 { |
|
652
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2462 /* determine if we need to include a query against the tmp.* tables also */ |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2463 final boolean incltmpkey = (schema == null) |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2464 || (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
|
2465 |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2466 /* 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
|
2467 * 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
|
2468 * 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
|
2469 * 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
|
2470 * 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
|
2471 * 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
|
2472 * 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
|
2473 */ |
|
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
|
2474 |
|
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
|
2475 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
|
2476 // 1st cte: syskeys |
|
652
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2477 query.append("with syskeys as (" + |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2478 // all pkeys |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2479 "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
|
2480 "UNION ALL " + |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2481 // 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
|
2482 "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
|
2483 "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
|
2484 "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
|
2485 if (incltmpkey) { |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2486 // 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
|
2487 // 2nd cte: tmpkeys |
|
652
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2488 query.append(", tmpkeys as (" + |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2489 "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
|
2490 "UNION ALL " + |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2491 "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
|
2492 "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
|
2493 "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
|
2494 } |
|
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
|
2495 // 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
|
2496 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
|
2497 "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
|
2498 "FROM \"sys\".\"tables\" t " + |
|
652
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2499 "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
|
2500 "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
|
2501 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
298
diff
changeset
|
2502 // non-empty catalog selection. |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2503 // 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
|
2504 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
|
2505 } 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
|
2506 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
|
2507 || 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
|
2508 || 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
|
2509 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
|
2510 // 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
|
2511 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
|
2512 } |
|
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
|
2513 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
|
2514 // 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
|
2515 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
|
2516 } |
|
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
|
2517 } 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
|
2518 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
|
2519 } |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2520 } |
|
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
|
2521 // 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
|
2522 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
|
2523 "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
|
2524 "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
|
2525 "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
|
2526 "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
|
2527 "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
|
2528 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
|
2529 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
|
2530 } |
|
652
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2531 if (incltmpkey) { |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2532 // 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
|
2533 // 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
|
2534 query.append(" UNION ALL " + |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2535 "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
|
2536 "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
|
2537 "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
|
2538 "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
|
2539 "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
|
2540 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
|
2541 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
|
2542 } |
|
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
|
2543 } |
|
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
|
2544 // 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
|
2545 // (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
|
2546 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
|
2547 "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
|
2548 "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
|
2549 "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
|
2550 "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
|
2551 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
|
2552 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
|
2553 } |
|
5eb9d54057e6
Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
652
diff
changeset
|
2554 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
|
2555 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
|
2556 "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
|
2557 "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
|
2558 "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
|
2559 "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
|
2560 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
|
2561 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
|
2562 } |
|
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
|
2563 } |
|
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
|
2564 // the final select query |
|
652
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2565 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
|
2566 "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
|
2567 "c.\"name\" AS \"COLUMN_NAME\", " + |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2568 "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
|
2569 "c.\"type\" AS \"TYPE_NAME\", " + |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2570 "c.\"type_digits\" AS \"COLUMN_SIZE\", " + |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2571 "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
|
2572 "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
|
2573 "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
|
2574 "FROM cols c " + |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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649
diff
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|
2575 "ORDER BY \"SCOPE\", c.\"nr\", \"COLUMN_NAME\""); |
|
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|
2576 |
|
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parents:
diff
changeset
|
2577 return executeMetaDataQuery(query.toString()); |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2578 } |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2579 |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2580 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2581 * Get a description of a table's columns that are automatically |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2582 * updated when any value in a row is updated. They are unordered. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2583 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2584 * <P>Each column description has the following columns: |
|
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|
2585 * <OL> |
|
194
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|
2586 * <LI><B>SCOPE</B> short => is not used |
|
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|
2587 * <LI><B>COLUMN_NAME</B> String => column name |
|
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|
2588 * <LI><B>DATA_TYPE</B> int => SQL data type from java.sql.Types |
|
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186
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|
2589 * <LI><B>TYPE_NAME</B> String => Data source dependent type name |
|
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186
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|
2590 * <LI><B>COLUMN_SIZE</B> int => precision |
|
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186
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|
2591 * <LI><B>BUFFER_LENGTH</B> int => length of column value in bytes |
|
1296dbcc4958
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|
2592 * <LI><B>DECIMAL_DIGITS</B> short => scale |
|
1296dbcc4958
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|
2593 * <LI><B>PSEUDO_COLUMN</B> short => is this a pseudo column like an Oracle ROWID |
|
0
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parents:
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|
2594 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2595 * <LI> versionColumnUnknown - may or may not be pseudo column |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2596 * <LI> versionColumnNotPseudo - is NOT a pseudo column |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2597 * <LI> versionColumnPseudo - is a pseudo column |
|
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|
2598 * </UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2599 * </OL> |
|
a5a898f6886c
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parents:
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|
2600 * |
|
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|
2601 * @param catalog a catalog name; "" retrieves those without a catalog |
|
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parents:
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|
2602 * @param schema a schema name; "" retrieves those without a schema |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2603 * @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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|
2604 * 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
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|
2605 * @return ResultSet each row is a column description |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2606 * @throws SQLException if a database error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2607 */ |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2608 @Override |
|
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|
2609 public ResultSet getVersionColumns( |
|
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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|
2610 final String catalog, |
|
003ae6d881db
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294
diff
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|
2611 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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|
2612 final String table |
|
0
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parents:
diff
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|
2613 ) throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2614 { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2615 // MonetDB currently does not have columns which update themselves, so return an empty ResultSet |
|
295
003ae6d881db
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diff
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|
2616 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>
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216
diff
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|
2617 "SELECT cast(0 as smallint) AS \"SCOPE\", " + |
|
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
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diff
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|
2618 "cast(null as char(1)) AS \"COLUMN_NAME\", " + |
|
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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216
diff
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|
2619 "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>
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216
diff
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|
2620 "cast(null as char(1)) AS \"TYPE_NAME\", " + |
|
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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216
diff
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|
2621 "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>
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216
diff
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|
2622 "cast(0 as int) AS \"BUFFER_LENGTH\", " + |
|
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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216
diff
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|
2623 "cast(0 as smallint) AS \"DECIMAL_DIGITS\", " + |
|
7cbd20ff628c
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
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|
2624 "cast(0 as smallint) AS \"PSEUDO_COLUMN\" " + |
|
352
f62137dd6050
Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
350
diff
changeset
|
2625 "WHERE 1=0"; |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2626 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2627 return executeMetaDataQuery(query); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2628 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2629 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2630 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2631 * Get a description of a table's primary key columns. They |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2632 * are ordered by COLUMN_NAME. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2633 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2634 * <P>Each column description has the following columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2635 * <OL> |
|
194
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
2636 * <LI><B>TABLE_CAT</B> String => table catalog (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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|
2637 * <LI><B>TABLE_SCHEM</B> String => table schema (may be null) |
|
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
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|
2638 * <LI><B>TABLE_NAME</B> String => table name |
|
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
2639 * <LI><B>COLUMN_NAME</B> String => column name |
|
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
2640 * <LI><B>KEY_SEQ</B> short => sequence number within primary key |
|
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
2641 * <LI><B>PK_NAME</B> String => primary key name (may be null) |
|
0
a5a898f6886c
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diff
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|
2642 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2643 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2644 * @param catalog a catalog name; "" retrieves those without a catalog |
|
245
55375d489024
Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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231
diff
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|
2645 * @param schema a schema name pattern; "" retrieves those without a schema |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
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|
2646 * @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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|
2647 * 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.
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parents:
diff
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|
2648 * @return ResultSet each row is a primary key column description |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2649 * @throws SQLException if a database error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
2650 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
2651 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2652 public ResultSet getPrimaryKeys( |
|
295
003ae6d881db
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diff
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|
2653 final String catalog, |
|
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diff
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|
2654 final String schema, |
|
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|
2655 final String table |
|
0
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diff
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|
2656 ) throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2657 { |
|
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>
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645
diff
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|
2658 final StringBuilder query = new StringBuilder(1200); |
|
217
7cbd20ff628c
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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216
diff
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|
2659 query.append("SELECT cast(null AS char(1)) AS \"TABLE_CAT\", " + |
|
302
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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300
diff
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|
2660 "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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300
diff
changeset
|
2661 "t.\"name\" AS \"TABLE_NAME\", " + |
|
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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|
2662 "o.\"name\" AS \"COLUMN_NAME\", " + |
|
1b6c514106ce
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diff
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|
2663 "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
|
2664 "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
|
2665 "FROM \"sys\".\"keys\" k " + |
|
060347aa81ea
By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
645
diff
changeset
|
2666 "JOIN \"sys\".\"objects\" o ON k.\"id\" = o.\"id\" " + |
|
060347aa81ea
By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
645
diff
changeset
|
2667 "JOIN \"sys\".\"_tables\" t ON k.\"table_id\" = t.\"id\" " + |
|
302
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
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|
2668 "JOIN \"sys\".\"schemas\" s ON t.\"schema_id\" = s.\"id\" " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
2669 "WHERE k.\"type\" = 0"); // only primary keys (type = 0) |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2670 |
|
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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|
2671 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
298
diff
changeset
|
2672 // non-empty catalog selection. |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2673 // 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
|
2674 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
|
2675 } 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
|
2676 if (schema != null && !schema.equals("%")) { |
|
302
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
2677 query.append(" AND s.\"name\" ").append(composeMatchPart(schema)); |
|
216
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
215
diff
changeset
|
2678 } |
|
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
|
2679 if (table != null && !table.equals("%")) { |
|
302
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
2680 query.append(" AND t.\"name\" ").append(composeMatchPart(table)); |
|
216
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
215
diff
changeset
|
2681 } |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2682 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2683 |
|
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
|
2684 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
|
2685 || (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
|
2686 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
|
2687 // 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
|
2688 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
|
2689 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
|
2690 "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
|
2691 "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
|
2692 "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
|
2693 "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
|
2694 "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
|
2695 "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
|
2696 "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
|
2697 "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
|
2698 "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
|
2699 "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
|
2700 |
|
060347aa81ea
By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
645
diff
changeset
|
2701 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
|
2702 // 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
|
2703 // 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
|
2704 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
|
2705 } 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
|
2706 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
|
2707 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
|
2708 } |
|
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
|
2709 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
|
2710 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
|
2711 } |
|
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
|
2712 } |
|
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
|
2713 } |
|
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
|
2714 |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2715 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
|
2716 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2717 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2718 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2719 |
|
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
|
2720 // 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
|
2721 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
|
2722 "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
|
2723 "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
|
2724 "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
|
2725 "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
|
2726 "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
|
2727 "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
|
2728 "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
|
2729 "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
|
2730 "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
|
2731 "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
|
2732 " 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
|
2733 " 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
|
2734 " 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
|
2735 " 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
|
2736 " 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
|
2737 " 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
|
2738 " 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
|
2739 "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
|
2740 " 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
|
2741 " 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
|
2742 " 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
|
2743 " 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
|
2744 " 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
|
2745 " 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
|
2746 " 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
|
2747 "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
|
2748 "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
|
2749 "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
|
2750 "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
|
2751 "JOIN \"sys\".\"objects\" pkkeycol ON pkkey.\"id\" = pkkeycol.\"id\" " + |
|
1b6c514106ce
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|
2752 "JOIN \"sys\".\"tables\" pktable ON pktable.\"id\" = pkkey.\"table_id\" " + |
|
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|
2753 "JOIN \"sys\".\"schemas\" pkschema ON pkschema.\"id\" = pktable.\"schema_id\" " + |
|
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|
2754 "JOIN \"sys\".\"keys\" fkkey ON fkkey.\"rkey\" = pkkey.\"id\" " + |
|
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|
2755 "JOIN \"sys\".\"objects\" fkkeycol ON (fkkey.\"id\" = fkkeycol.\"id\" AND fkkeycol.\"nr\" = pkkeycol.\"nr\") " + |
|
1b6c514106ce
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|
2756 "JOIN \"sys\".\"tables\" fktable ON fktable.\"id\" = fkkey.\"table_id\" " + |
|
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|
2757 "JOIN \"sys\".\"schemas\" fkschema ON fkschema.\"id\" = fktable.\"schema_id\" " + |
|
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|
2758 "WHERE fkkey.\"rkey\" > 0"; // exclude invalid key references, such as -1 |
|
0
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|
2759 |
|
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|
2760 /** |
|
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changeset
|
2761 * Get a description of the primary key columns that are |
|
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|
2762 * referenced by a table's foreign key columns (the primary keys |
|
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|
2763 * imported by a table). They are ordered by PKTABLE_CAT, |
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parents:
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|
2764 * PKTABLE_SCHEM, PKTABLE_NAME, and KEY_SEQ. |
|
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parents:
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|
2765 * |
|
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parents:
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|
2766 * <P>Each primary key column description has the following columns: |
|
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|
2767 * <OL> |
|
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2768 * <LI><B>PKTABLE_CAT</B> String => primary key table catalog |
|
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2769 * being imported (may be null) |
|
194
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2770 * <LI><B>PKTABLE_SCHEM</B> String => primary key table schema |
|
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2771 * being imported (may be null) |
|
194
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2772 * <LI><B>PKTABLE_NAME</B> String => primary key table name |
|
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2773 * being imported |
|
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2774 * <LI><B>PKCOLUMN_NAME</B> String => primary key column name |
|
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2775 * being imported |
|
194
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2776 * <LI><B>FKTABLE_CAT</B> String => foreign key table catalog (may be null) |
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2777 * <LI><B>FKTABLE_SCHEM</B> String => foreign key table schema (may be null) |
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2778 * <LI><B>FKTABLE_NAME</B> String => foreign key table name |
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2779 * <LI><B>FKCOLUMN_NAME</B> String => foreign key column name |
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2780 * <LI><B>KEY_SEQ</B> short => sequence number within foreign key |
|
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parents:
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|
2781 * (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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|
2782 * <LI><B>UPDATE_RULE</B> short => What happens to foreign key when primary is updated: |
|
0
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|
2783 * <UL> |
|
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|
2784 * <LI> importedKeyNoAction - do not allow update of primary key if it has been imported |
|
405
6242351e8802
Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
391
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|
2785 * <LI> importedKeyCascade - change imported key to agree with primary key update |
|
6242351e8802
Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
391
diff
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|
2786 * <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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|
2787 * <LI> importedKeySetNull - change imported key to NULL if its primary key has been updated |
|
6242351e8802
Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
391
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|
2788 * <LI> importedKeySetDefault - change imported key to the default values if its primary key has been updated |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2789 * </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
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|
2790 * <LI><B>DELETE_RULE</B> short => What happens to the foreign key when primary is deleted. |
|
0
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diff
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|
2791 * <UL> |
|
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parents:
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|
2792 * <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.
Sjoerd Mullender <sjoerd@acm.org>
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|
2793 * <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
|
2794 * <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
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|
2795 * <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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|
2796 * <LI> importedKeySetDefault - change imported key to the default values if its primary key has been deleted |
|
0
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|
2797 * </UL> |
|
194
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186
diff
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|
2798 * <LI><B>FK_NAME</B> String => foreign key name (may be null) |
|
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|
2799 * <LI><B>PK_NAME</B> String => primary key name (may be null) |
|
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186
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|
2800 * <LI><B>DEFERRABILITY</B> short => can the evaluation of foreign key constraints be deferred until commit |
|
0
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parents:
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|
2801 * <UL> |
|
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2802 * <LI> importedKeyInitiallyDeferred - see SQL92 for definition |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2803 * <LI> importedKeyInitiallyImmediate - see SQL92 for definition |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2804 * <LI> importedKeyNotDeferrable - see SQL92 for definition |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2805 * </UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2806 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2807 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2808 * @param catalog a catalog name; "" retrieves those without a catalog |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2809 * @param schema a schema name pattern; "" retrieves those without a schema |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2810 * @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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|
2811 * 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
|
2812 * @return ResultSet each row is a primary key column description |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2813 * @see #getExportedKeys |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2814 * @throws SQLException if a database error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2815 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2816 @Override |
|
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
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|
2817 public ResultSet getImportedKeys( |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
2818 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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|
2819 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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|
2820 final String table |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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|
2821 ) throws SQLException |
|
0
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|
2822 { |
|
295
003ae6d881db
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|
2823 final StringBuilder query = new StringBuilder(keyQuery.length() + 250); |
|
0
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|
2824 query.append(keyQuery); |
|
a5a898f6886c
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parents:
diff
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|
2825 |
|
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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|
2826 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
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298
diff
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|
2827 // non-empty catalog selection. |
|
0
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|
2828 // 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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|
2829 query.append(" AND 1=0"); |
|
216
116b5a149fb4
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|
2830 } 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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|
2831 if (schema != null && !schema.equals("%")) { |
|
302
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diff
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|
2832 query.append(" AND fkschema.\"name\" ").append(composeMatchPart(schema)); |
|
216
116b5a149fb4
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|
2833 } |
|
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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|
2834 if (table != null && !table.equals("%")) { |
|
302
1b6c514106ce
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300
diff
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|
2835 query.append(" AND fktable.\"name\" ").append(composeMatchPart(table)); |
|
216
116b5a149fb4
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|
2836 } |
|
0
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|
2837 } |
|
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|
2838 |
|
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>
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415
diff
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|
2839 // 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
|
2840 // 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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|
2841 query.append(" ORDER BY \"PKTABLE_SCHEM\", \"PKTABLE_NAME\", \"PK_NAME\", \"FKTABLE_SCHEM\", \"FKTABLE_NAME\", \"FK_NAME\", \"KEY_SEQ\""); |
|
0
a5a898f6886c
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changeset
|
2842 |
|
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|
2843 return executeMetaDataQuery(query.toString()); |
|
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|
2844 } |
|
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|
2845 |
|
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|
2846 /** |
|
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|
2847 * Get a description of a foreign key columns that reference a |
|
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|
2848 * table's primary key columns (the foreign keys exported by a table). |
|
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|
2849 * They are ordered by FKTABLE_CAT, FKTABLE_SCHEM, FKTABLE_NAME, and KEY_SEQ. |
|
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|
2850 * |
|
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|
2851 * <P>Each foreign key column description has the following columns: |
|
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2852 * <OL> |
|
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2853 * <LI><B>PKTABLE_CAT</B> String => primary key table catalog (may be null) |
|
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2854 * <LI><B>PKTABLE_SCHEM</B> String => primary key table schema (may be null) |
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2855 * <LI><B>PKTABLE_NAME</B> String => primary key table name |
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2856 * <LI><B>PKCOLUMN_NAME</B> String => primary key column name |
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2857 * <LI><B>FKTABLE_CAT</B> String => foreign key table catalog (may be null) |
|
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2858 * being exported (may be null) |
|
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2859 * <LI><B>FKTABLE_SCHEM</B> String => foreign key table schema (may be null) |
|
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2860 * being exported (may be null) |
|
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2861 * <LI><B>FKTABLE_NAME</B> String => foreign key table name |
|
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2862 * being exported |
|
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2863 * <LI><B>FKCOLUMN_NAME</B> String => foreign key column name |
|
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2864 * being exported |
|
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2865 * <LI><B>KEY_SEQ</B> short => sequence number within foreign key |
|
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2866 * (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().
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2867 * <LI><B>UPDATE_RULE</B> short => What happens to foreign key when primary is updated: |
|
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2868 * <UL> |
|
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2869 * <LI> importedKeyNoAction - do not allow update of primary key if it has been imported |
|
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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|
2870 * <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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|
2871 * <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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|
2872 * <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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|
2873 * <LI> importedKeySetDefault - change imported key to the default values if its primary key has been updated |
|
0
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|
2874 * </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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|
2875 * <LI><B>DELETE_RULE</B> short => What happens to the foreign key when primary is deleted. |
|
0
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|
2876 * <UL> |
|
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|
2877 * <LI> importedKeyNoAction - do not allow delete of primary key if it has been imported |
|
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|
2878 * <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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|
2879 * <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
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|
2880 * <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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|
2881 * <LI> importedKeySetDefault - change imported key to the default values if its primary key has been deleted |
|
0
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|
2882 * </UL> |
|
194
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|
2883 * <LI><B>FK_NAME</B> String => foreign key identifier (may be null) |
|
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|
2884 * <LI><B>PK_NAME</B> String => primary key identifier (may be null) |
|
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|
2885 * <LI><B>DEFERRABILITY</B> short => can the evaluation of foreign key constraints be deferred until commit |
|
0
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|
2886 * <UL> |
|
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|
2887 * <LI> importedKeyInitiallyDeferred - see SQL92 for definition |
|
a5a898f6886c
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diff
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|
2888 * <LI> importedKeyInitiallyImmediate - see SQL92 for definition |
|
a5a898f6886c
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|
2889 * <LI> importedKeyNotDeferrable - see SQL92 for definition |
|
a5a898f6886c
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|
2890 * </UL> |
|
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|
2891 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2892 * |
|
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diff
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|
2893 * @param catalog a catalog name; "" retrieves those without a catalog |
|
a5a898f6886c
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|
2894 * @param schema a schema name pattern; "" retrieves those without a schema |
|
a5a898f6886c
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|
2895 * @param table a table name |
|
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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|
2896 * 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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|
2897 * @return ResultSet each row is a foreign key column description |
|
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|
2898 * @see #getImportedKeys |
|
a5a898f6886c
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|
2899 * @throws SQLException if a database error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2900 */ |
|
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|
2901 @Override |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
2902 public ResultSet getExportedKeys( |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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diff
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|
2903 final String catalog, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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diff
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|
2904 final String schema, |
|
371
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|
2905 final String table |
|
295
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|
2906 ) throws SQLException |
|
0
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|
2907 { |
|
295
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|
2908 final StringBuilder query = new StringBuilder(keyQuery.length() + 250); |
|
0
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|
2909 query.append(keyQuery); |
|
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|
2910 |
|
216
116b5a149fb4
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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215
diff
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|
2911 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
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298
diff
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|
2912 // non-empty catalog selection. |
|
0
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|
2913 // 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
changeset
|
2914 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.
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|
2915 } 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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|
2916 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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|
2917 query.append(" AND pkschema.\"name\" ").append(composeMatchPart(schema)); |
|
216
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|
2918 } |
|
323
8701024a9bb0
In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
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diff
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|
2919 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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diff
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|
2920 query.append(" AND pktable.\"name\" ").append(composeMatchPart(table)); |
|
216
116b5a149fb4
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|
2921 } |
|
0
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|
2922 } |
|
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|
2923 |
|
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>
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415
diff
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|
2924 // 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
|
2925 // 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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|
2926 query.append(" ORDER BY \"FKTABLE_SCHEM\", \"FKTABLE_NAME\", \"FK_NAME\", \"PKTABLE_SCHEM\", \"PKTABLE_NAME\", \"PK_NAME\", \"KEY_SEQ\""); |
|
0
a5a898f6886c
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|
2927 |
|
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diff
changeset
|
2928 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2929 } |
|
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|
2930 |
|
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|
2931 /** |
|
a5a898f6886c
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changeset
|
2932 * Get a description of the foreign key columns in the foreign key |
|
a5a898f6886c
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|
2933 * table that reference the primary key columns of the primary key |
|
a5a898f6886c
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changeset
|
2934 * table. (describe how one table imports another's key) This |
|
a5a898f6886c
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diff
changeset
|
2935 * should normally return a single foreign key/primary key pair |
|
a5a898f6886c
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parents:
diff
changeset
|
2936 * (most tables only import a foreign key from a table once.) |
|
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|
2937 * They are ordered by FKTABLE_CAT, FKTABLE_SCHEM, FKTABLE_NAME, and KEY_SEQ. |
|
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parents:
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|
2938 * |
|
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|
2939 * <P>Each foreign key column description has the following columns: |
|
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2940 * <OL> |
|
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2941 * <LI><B>PKTABLE_CAT</B> String => primary key table catalog (may be null) |
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2942 * <LI><B>PKTABLE_SCHEM</B> String => primary key table schema (may be null) |
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|
2943 * <LI><B>PKTABLE_NAME</B> String => primary key table name |
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2944 * <LI><B>PKCOLUMN_NAME</B> String => primary key column name |
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2945 * <LI><B>FKTABLE_CAT</B> String => foreign key table catalog (may be null) |
|
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2946 * being exported (may be null) |
|
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2947 * <LI><B>FKTABLE_SCHEM</B> String => foreign key table schema (may be null) |
|
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2948 * being exported (may be null) |
|
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2949 * <LI><B>FKTABLE_NAME</B> String => foreign key table name |
|
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2950 * being exported |
|
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2951 * <LI><B>FKCOLUMN_NAME</B> String => foreign key column name |
|
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2952 * being exported |
|
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2953 * <LI><B>KEY_SEQ</B> short => sequence number within foreign key |
|
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|
2954 * (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().
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2955 * <LI><B>UPDATE_RULE</B> short => What happens to foreign key when primary is updated: |
|
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|
2956 * <UL> |
|
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|
2957 * <LI> importedKeyNoAction - do not allow update of primary key if it has been imported |
|
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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2958 * <LI> importedKeyCascade - change imported key to agree with primary key update |
|
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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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2959 * <LI> importedKeyRestrict - same as importedKeyNoAction (for ODBC 2.x compatibility) |
|
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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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2960 * <LI> importedKeySetNull - change imported key to NULL if its primary key has been updated |
|
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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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2961 * <LI> importedKeySetDefault - change imported key to the default values if its primary key has been updated |
|
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|
2962 * </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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2963 * <LI><B>DELETE_RULE</B> short => What happens to the foreign key when primary is deleted. |
|
0
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|
2964 * <UL> |
|
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|
2965 * <LI> importedKeyNoAction - do not allow delete of primary key if it has been imported |
|
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Sjoerd Mullender <sjoerd@acm.org>
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|
2966 * <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>
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|
2967 * <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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|
2968 * <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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|
2969 * <LI> importedKeySetDefault - change imported key to the default values if its primary key has been deleted |
|
0
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|
2970 * </UL> |
|
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|
2971 * <LI><B>FK_NAME</B> String => foreign key identifier (may be null) |
|
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|
2972 * <LI><B>PK_NAME</B> String => primary key identifier (may be null) |
|
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|
2973 * <LI><B>DEFERRABILITY</B> short => can the evaluation of foreign key constraints be deferred until commit |
|
0
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|
2974 * <UL> |
|
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parents:
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|
2975 * <LI> importedKeyInitiallyDeferred - see SQL92 for definition |
|
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|
2976 * <LI> importedKeyInitiallyImmediate - see SQL92 for definition |
|
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|
2977 * <LI> importedKeyNotDeferrable - see SQL92 for definition |
|
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|
2978 * </UL> |
|
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|
2979 * </OL> |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2980 * |
|
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diff
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|
2981 * @param pcatalog primary key catalog name; "" retrieves those without a catalog |
|
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|
2982 * @param pschema primary key schema name pattern; "" retrieves those without a schema |
|
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|
2983 * @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>
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370
diff
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|
2984 * 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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|
2985 * @param fcatalog foreign key catalog name; "" retrieves those without a catalog |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2986 * @param fschema foreign key schema name pattern; "" retrieves those without a schema |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2987 * @param ftable koreign key table name |
|
371
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|
2988 * 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
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|
2989 * @return ResultSet each row is a foreign key column description |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2990 * @throws SQLException if a database error occurs |
|
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|
2991 * @see #getImportedKeys |
|
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|
2992 */ |
|
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parents:
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|
2993 @Override |
|
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|
2994 public ResultSet getCrossReference( |
|
295
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Add "final" keyword to method arguments and local variables where possible.
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diff
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|
2995 final String pcatalog, |
|
003ae6d881db
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|
2996 final String pschema, |
|
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Add "final" keyword to method arguments and local variables where possible.
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|
2997 final String ptable, |
|
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|
2998 final String fcatalog, |
|
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|
2999 final String fschema, |
|
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Add "final" keyword to method arguments and local variables where possible.
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|
3000 final String ftable |
|
0
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|
3001 ) throws SQLException |
|
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|
3002 { |
|
295
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|
3003 final StringBuilder query = new StringBuilder(keyQuery.length() + 350); |
|
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|
3004 query.append(keyQuery); |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
3005 |
|
216
116b5a149fb4
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
3006 if ((pcatalog != null && !pcatalog.isEmpty()) |
|
116b5a149fb4
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|
3007 || (fcatalog != null && !fcatalog.isEmpty())) { |
|
299
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Correcting typo in comment
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298
diff
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|
3008 // non-empty catalog selection. |
|
0
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|
3009 // 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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|
3010 query.append(" AND 1=0"); |
|
216
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Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
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215
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|
3011 } 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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diff
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|
3012 if (pschema != null && !pschema.equals("%")) { |
|
302
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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300
diff
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|
3013 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.
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|
3014 } |
|
323
8701024a9bb0
In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
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diff
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|
3015 if (ptable != null && !ptable.equals("%")) { |
|
302
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
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|
3016 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.
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|
3017 } |
|
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
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|
3018 |
|
323
8701024a9bb0
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
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|
3019 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>
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diff
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|
3020 query.append(" AND fkschema.\"name\" ").append(composeMatchPart(fschema)); |
|
216
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Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
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|
3021 } |
|
323
8701024a9bb0
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
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|
3022 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>
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diff
changeset
|
3023 query.append(" AND fktable.\"name\" ").append(composeMatchPart(ftable)); |
|
216
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Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
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|
3024 } |
|
0
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|
3025 } |
|
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diff
changeset
|
3026 |
|
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
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|
3027 // 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>
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415
diff
changeset
|
3028 // 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
|
3029 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
|
3030 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3031 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3032 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3033 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3034 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3035 * 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
|
3036 * this database. They are ordered by DATA_TYPE and then by how |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3037 * closely the data type maps to the corresponding JDBC SQL type. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3038 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3039 * 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
|
3040 * return a single row with a TYPE_NAME of DISTINCT and a DATA_TYPE of Types.DISTINCT. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3041 * 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
|
3042 * return a single row with a TYPE_NAME of STRUCT and a DATA_TYPE of Types.STRUCT. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3043 * If SQL distinct or structured types are supported, then information on |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3044 * the individual types may be obtained from the getUDTs() method. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3045 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3046 * <P>Each type description has the following columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3047 * <OL> |
|
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>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
|
3049 * <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
|
3050 * <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
|
3051 * <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
|
3052 * <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
|
3053 * <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
|
3054 * 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
|
3055 * <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
|
3056 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3057 * <LI> typeNoNulls - does not allow NULL values |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3058 * <LI> typeNullable - allows NULL values |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3059 * <LI> typeNullableUnknown - nullability unknown |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3060 * </UL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3061 * <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
|
3062 * <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
|
3063 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3064 * <LI> typePredNone - No support |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3065 * <LI> typePredChar - Only supported with WHERE .. LIKE |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3066 * <LI> typePredBasic - Supported except for WHERE .. LIKE |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3067 * <LI> typeSearchable - Supported for all WHERE .. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3068 * </UL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3069 * <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
|
3070 * <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
|
3071 * <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
|
3072 * 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
|
3073 * <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
|
3074 * (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
|
3075 * <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
|
3076 * <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
|
3077 * <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
|
3078 * <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
|
3079 * <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
|
3080 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3081 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3082 * @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
|
3083 * @throws SQLException if a database error occurs |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3084 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3085 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3086 public ResultSet getTypeInfo() throws SQLException { |
|
682
78253fdb3c3f
Corrected returned SQL TypeName values for the MonetDB interval types: 'day_interval', 'month_interval' and 'sec_interval'.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
680
diff
changeset
|
3087 final StringBuilder query = new StringBuilder(3200); |
|
78253fdb3c3f
Corrected returned SQL TypeName values for the MonetDB interval types: 'day_interval', 'month_interval' and 'sec_interval'.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
680
diff
changeset
|
3088 query.append("SELECT CASE \"sqlname\" WHEN 'day_interval' THEN 'interval day'" + |
|
78253fdb3c3f
Corrected returned SQL TypeName values for the MonetDB interval types: 'day_interval', 'month_interval' and 'sec_interval'.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
680
diff
changeset
|
3089 " WHEN 'month_interval' THEN 'interval month'" + |
|
78253fdb3c3f
Corrected returned SQL TypeName values for the MonetDB interval types: 'day_interval', 'month_interval' and 'sec_interval'.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
680
diff
changeset
|
3090 " WHEN 'sec_interval' THEN 'interval second'" + |
|
78253fdb3c3f
Corrected returned SQL TypeName values for the MonetDB interval types: 'day_interval', 'month_interval' and 'sec_interval'.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
680
diff
changeset
|
3091 " ELSE \"sqlname\" END AS \"TYPE_NAME\", " + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3092 "cast(").append(MonetDriver.getSQLTypeMap("\"sqlname\"")).append(" AS int) AS \"DATA_TYPE\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3093 "\"digits\" AS \"PRECISION\", " + // note that when radix is 2 the precision shows the number of bits |
|
415
50e43af49d47
Improved DatabaseMetaData.getTypeInfo() output for temporal data types: sec_interval, day_interval, month_interval, date, time, timetz, timestamp and timestamptz.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
406
diff
changeset
|
3094 "cast(CASE WHEN \"sqlname\" IN ('char','varchar','sec_interval','day_interval','month_interval') THEN ''''" + |
|
642
dd9b4fb14256
Added recognition of 'xml' type.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
626
diff
changeset
|
3095 " 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
|
3096 " ELSE NULL END AS varchar(16)) AS \"LITERAL_PREFIX\", " + |
|
50e43af49d47
Improved DatabaseMetaData.getTypeInfo() output for temporal data types: sec_interval, day_interval, month_interval, date, time, timetz, timestamp and timestamptz.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
406
diff
changeset
|
3097 "cast(CASE WHEN \"sqlname\" IN ('char','varchar','sec_interval','day_interval','month_interval'" + |
|
642
dd9b4fb14256
Added recognition of 'xml' type.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
626
diff
changeset
|
3098 ",'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
|
3099 " 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
|
3100 "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
|
3101 " WHEN \"sqlname\" = 'decimal' THEN 'precision, scale'" + |
|
379
d7661075ebf7
Add support for new (as of Oct2020 release) datatype: day_interval
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
376
diff
changeset
|
3102 " WHEN \"sqlname\" IN ('time','timetz','timestamp','timestamptz','sec_interval') THEN 'precision'" + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3103 " 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
|
3104 "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
|
3105 " 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
|
3106 "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
|
3107 "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
|
3108 " ELSE " + DatabaseMetaData.typePredBasic + " END AS smallint) AS \"SEARCHABLE\", " + |
|
415
50e43af49d47
Improved DatabaseMetaData.getTypeInfo() output for temporal data types: sec_interval, day_interval, month_interval, date, time, timetz, timestamp and timestamptz.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
406
diff
changeset
|
3109 "CASE WHEN \"sqlname\" IN ('tinyint','smallint','int','bigint','hugeint','decimal','real','double'" + |
|
50e43af49d47
Improved DatabaseMetaData.getTypeInfo() output for temporal data types: sec_interval, day_interval, month_interval, date, time, timetz, timestamp and timestamptz.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
406
diff
changeset
|
3110 ",'day_interval','month_interval','sec_interval') THEN false ELSE true END AS \"UNSIGNED_ATTRIBUTE\", " + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3111 "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
|
3112 "CASE WHEN \"sqlname\" IN ('tinyint','smallint','int','bigint') THEN true ELSE false END AS \"AUTO_INCREMENT\", " + |
|
682
78253fdb3c3f
Corrected returned SQL TypeName values for the MonetDB interval types: 'day_interval', 'month_interval' and 'sec_interval'.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
680
diff
changeset
|
3113 "CASE WHEN \"sqlname\" IN ('sec_interval','day_interval','month_interval') THEN \"sqlname\" ELSE \"systemname\" END AS \"LOCAL_TYPE_NAME\", " + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3114 "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
|
3115 "cast(CASE WHEN \"sqlname\" = 'decimal' THEN (CASE \"systemname\" WHEN 'int' THEN 9 WHEN 'lng' THEN 18 WHEN 'sht' THEN 4 WHEN 'hge' THEN 38 WHEN 'bte' THEN 2 ELSE 0 END)" + |
|
d7661075ebf7
Add support for new (as of Oct2020 release) datatype: day_interval
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
376
diff
changeset
|
3116 " WHEN \"sqlname\" IN ('time','timetz','timestamp','timestamptz','sec_interval') THEN 6 ELSE 0 END AS smallint) AS \"MAXIMUM_SCALE\", " + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3117 "cast(0 AS int) AS \"SQL_DATA_TYPE\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3118 "cast(0 AS int) AS \"SQL_DATETIME_SUB\", " + |
|
415
50e43af49d47
Improved DatabaseMetaData.getTypeInfo() output for temporal data types: sec_interval, day_interval, month_interval, date, time, timetz, timestamp and timestamptz.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
406
diff
changeset
|
3119 "cast(CASE WHEN \"sqlname\" IN ('time','timetz','timestamp','timestamptz','sec_interval') THEN 10 ELSE \"radix\" END AS int) AS \"NUM_PREC_RADIX\" " + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3120 "FROM \"sys\".\"types\" " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3121 "ORDER BY \"DATA_TYPE\", \"sqlname\", \"id\""); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3122 |
|
682
78253fdb3c3f
Corrected returned SQL TypeName values for the MonetDB interval types: 'day_interval', 'month_interval' and 'sec_interval'.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
680
diff
changeset
|
3123 /* if (query.length() >= 3200) System.err.println("getTypeInfo(), extend query default size to: " + query.length()); */ |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3124 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3125 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3126 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3127 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3128 * 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
|
3129 * 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
|
3130 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3131 * <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
|
3132 * <OL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3133 * <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
|
3134 * <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
|
3135 * <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
|
3136 * <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
|
3137 * 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
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|
3138 * <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
|
3139 * 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
|
3140 * <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
|
3141 * tableIndexStatistic |
|
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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|
3142 * <LI><B>TYPE</B> short => index type: |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3143 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3144 * <LI> tableIndexStatistic - this identifies table statistics that are |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3145 * 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
|
3146 * <LI> tableIndexClustered - this is a clustered index |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3147 * <LI> tableIndexHashed - this is a hashed index |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3148 * <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
|
3149 * </UL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3150 * <LI><B>ORDINAL_POSITION</B> short => column sequence number |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3151 * 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
|
3152 * <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
|
3153 * tableIndexStatistic |
|
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>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
|
3155 * "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
|
3156 * 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
|
3157 * <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
|
3158 * 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
|
3159 * 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
|
3160 * <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
|
3161 * 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
|
3162 * is the number of pages used for the current index. |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3163 * <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
|
3164 * (may be null) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3165 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3166 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3167 * @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
|
3168 * @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
|
3169 * @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
|
3170 * 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
|
3171 * @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
|
3172 * 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
|
3173 * @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
|
3174 * or out of data values; when false, results are requested to be |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3175 * accurate |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3176 * @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
|
3177 * @throws SQLException if a database occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3178 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3179 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3180 public ResultSet getIndexInfo( |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
294
diff
changeset
|
3181 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
|
3182 final String schema, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
294
diff
changeset
|
3183 final String table, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
294
diff
changeset
|
3184 final boolean unique, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
294
diff
changeset
|
3185 final boolean approximate |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3186 ) throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3187 { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3188 String table_row_count = "0"; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3189 |
|
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
|
3190 if (!approximate |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
3191 && schema != null && !schema.isEmpty() && !schema.contains("%") |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
3192 && table != null && !table.isEmpty() && !table.contains("%")) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3193 // 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
|
3194 ResultSet count = null; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3195 try { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3196 count = executeMetaDataQuery("SELECT COUNT(*) FROM \"" + schema + "\".\"" + table + "\""); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3197 if (count != null && count.next()) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3198 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
|
3199 if (count_value != null && !count_value.isEmpty()) |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3200 table_row_count = count_value; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3201 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3202 } catch (SQLException e) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3203 // ignore |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3204 } 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
|
3205 MonetConnection.closeResultsetStatement(count, null); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3206 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3207 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3208 |
|
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
|
3209 final StringBuilder query = new StringBuilder(2500); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3210 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
|
3211 "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
|
3212 "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
|
3213 "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
|
3214 "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
|
3215 "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
|
3216 "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
|
3217 "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
|
3218 "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
|
3219 "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
|
3220 "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
|
3221 "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
|
3222 "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
|
3223 "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
|
3224 "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
|
3225 "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
|
3226 "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
|
3227 "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
|
3228 "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
|
3229 "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
|
3230 |
|
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
|
3231 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
298
diff
changeset
|
3232 // non-empty catalog selection. |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3233 // 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
|
3234 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
|
3235 } 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
|
3236 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
|
3237 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
|
3238 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
|
3239 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
|
3240 } |
|
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 (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
|
3242 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
|
3243 .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
|
3244 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
|
3245 } |
|
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
|
3246 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
|
3247 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
|
3248 .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
|
3249 } |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3250 } |
|
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
|
3251 |
|
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
|
3252 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
|
3253 || (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
|
3254 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
|
3255 // 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
|
3256 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
|
3257 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
|
3258 "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
|
3259 "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
|
3260 "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
|
3261 "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
|
3262 "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
|
3263 "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
|
3264 "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
|
3265 "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
|
3266 "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
|
3267 "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
|
3268 "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
|
3269 "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
|
3270 "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
|
3271 "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
|
3272 "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
|
3273 "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
|
3274 "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
|
3275 "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
|
3276 "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
|
3277 |
|
060347aa81ea
By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
645
diff
changeset
|
3278 if (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
|
3279 // 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
|
3280 // 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
|
3281 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
|
3282 } 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
|
3283 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
|
3284 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
|
3285 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
|
3286 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
|
3287 } |
|
060347aa81ea
By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
645
diff
changeset
|
3288 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
|
3289 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
|
3290 .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
|
3291 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
|
3292 } |
|
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 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
|
3294 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
|
3295 .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
|
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 } |
|
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 } |
|
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 |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3300 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
|
3301 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3302 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3303 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3304 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3305 //== 1.2 methods (JDBC 2) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3306 |
|
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 * 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
|
3309 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3310 * @param type - defined in java.sql.ResultSet |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3311 * @return true if so; false otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3312 * @throws SQLException - if a database access error occurs |
|
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 @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
|
3315 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
|
3316 // The only type we don't support |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3317 return type != ResultSet.TYPE_SCROLL_SENSITIVE; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3318 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3319 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3320 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3321 * 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
|
3322 * with the given result set type? |
|
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 * @param type - defined in java.sql.ResultSet |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3325 * @param concurrency - type defined in java.sql.ResultSet |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3326 * @return true if so; false otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3327 * @throws SQLException - if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3328 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3329 @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
|
3330 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
|
3331 throws SQLException |
|
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 // These combinations are not supported! |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3334 if (type == ResultSet.TYPE_SCROLL_SENSITIVE) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3335 return false; |
|
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 // We do only support Read Only ResultSets |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3338 if (concurrency != ResultSet.CONCUR_READ_ONLY) |
|
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 // 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
|
3342 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3343 } |
|
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 /* lots of unsupported stuff... (no updatable ResultSet!) */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3346 @Override |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
294
diff
changeset
|
3347 public boolean ownUpdatesAreVisible(final int type) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3348 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3349 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3350 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3351 @Override |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
294
diff
changeset
|
3352 public boolean ownDeletesAreVisible(final int type) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3353 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3354 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3355 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3356 @Override |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
294
diff
changeset
|
3357 public boolean ownInsertsAreVisible(final int type) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3358 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3359 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3360 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3361 @Override |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
294
diff
changeset
|
3362 public boolean othersUpdatesAreVisible(final int type) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3363 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3364 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3365 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3366 @Override |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
294
diff
changeset
|
3367 public boolean othersDeletesAreVisible(final int i) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3368 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3369 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3370 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3371 @Override |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
294
diff
changeset
|
3372 public boolean othersInsertsAreVisible(final int type) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3373 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3374 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3375 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3376 @Override |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
294
diff
changeset
|
3377 public boolean updatesAreDetected(final int type) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3378 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3379 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3380 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3381 @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
|
3382 public boolean deletesAreDetected(final int i) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3383 return false; |
|
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 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3386 @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
|
3387 public boolean insertsAreDetected(final int type) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3388 return false; |
|
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 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3391 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3392 * Indicates whether the driver supports batch updates. |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3395 public boolean supportsBatchUpdates() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3396 return true; |
|
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 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3399 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3400 * Retrieves a description of the user-defined types (UDTs) defined in a particular schema. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3401 * 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
|
3402 * Only types matching the catalog, schema, type name and type criteria are returned. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3403 * 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
|
3404 * 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
|
3405 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3406 * Each type description has the following columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3407 * |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3408 * 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
|
3409 * 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
|
3410 * 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
|
3411 * 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
|
3412 * 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
|
3413 * 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
|
3414 * 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
|
3415 * 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
|
3416 * 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
|
3417 * |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3418 * @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
|
3419 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3420 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3421 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
|
3422 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
|
3423 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
|
3424 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
|
3425 final int[] types |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3426 ) throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3427 { |
|
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
|
3428 final StringBuilder query = new StringBuilder(990); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3429 if (types != null && types.length > 0) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3430 query.append("SELECT * FROM ("); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3431 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3432 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
|
3433 "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
|
3434 "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
|
3435 "CASE t.\"sqlname\"" + |
|
642
dd9b4fb14256
Added recognition of 'xml' type.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
626
diff
changeset
|
3436 // 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
|
3437 " WHEN 'xml' THEN 'java.lang.String'" + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3438 " 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
|
3439 "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
|
3440 " 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
|
3441 "t.\"systemname\" AS \"REMARKS\", " + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3442 "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
|
3443 "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
|
3444 "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
|
3445 // 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
|
3446 "WHERE t.\"id\" > 99" + |
|
2b763b189452
Corrected DatabaseMetaData.getUDTs() output.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
716
diff
changeset
|
3447 " AND t.\"eclass\" >= 18" + |
|
2b763b189452
Corrected DatabaseMetaData.getUDTs() output.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
716
diff
changeset
|
3448 " 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
|
3449 |
|
216
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
215
diff
changeset
|
3450 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
298
diff
changeset
|
3451 // non-empty catalog selection. |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3452 // 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
|
3453 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
|
3454 } 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
|
3455 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
|
3456 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
|
3457 } |
|
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
|
3458 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
|
3459 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
|
3460 } |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3461 } |
|
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
|
3462 |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3463 if (types != null && types.length > 0) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3464 query.append(") AS getUDTs WHERE \"DATA_TYPE\" IN ("); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3465 for (int i = 0; i < types.length; i++) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3466 if (i > 0) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3467 query.append(", "); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3468 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3469 query.append(types[i]); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3470 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3471 query.append(")"); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3472 } |
|
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
|
3473 |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3474 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
|
3475 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3476 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3477 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3478 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3479 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3480 * Retrieves the connection that produced this metadata object. |
|
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 * @return the connection that produced this metadata object |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3485 public Connection getConnection() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3486 return con; |
|
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 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3489 //== 1.4 methods (JDBC 3) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3490 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3491 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3492 * Retrieves whether this database supports savepoints. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3493 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3494 * @return <code>true</code> if savepoints are supported; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3495 * <code>false</code> otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3496 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3497 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3498 public boolean supportsSavepoints() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3499 return true; |
|
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 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3502 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3503 * 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
|
3504 * statements. |
|
a5a898f6886c
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|
3505 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
3506 * @return <code>true</code> if named parameters are supported; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
3507 * <code>false</code> otherwise |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
3508 */ |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
3509 @Override |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3510 public boolean supportsNamedParameters() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
3511 return false; |
|
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:
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changeset
|
3513 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3514 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
3515 * Retrieves whether it is possible to have multiple <code>ResultSet</code> objects |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
3516 * returned from a <code>CallableStatement</code> object |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
3517 * simultaneously. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
3518 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3519 * @return <code>true</code> if a <code>CallableStatement</code> object |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
3520 * can return multiple <code>ResultSet</code> objects |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
3521 * simultaneously; <code>false</code> otherwise |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
3522 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
3523 @Override |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3524 public boolean supportsMultipleOpenResults() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
3525 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
3526 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3527 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3528 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3529 * Retrieves whether auto-generated keys can be retrieved after |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
3530 * a statement has been executed. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3531 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3532 * @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
|
3533 * after a statement has executed; <code>false</code> otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
3534 */ |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3535 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3536 public boolean supportsGetGeneratedKeys() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3537 return true; |
|
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 |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
3540 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3541 * 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
|
3542 * 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
|
3543 * the immediate super type/ sub type relationship is modeled. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
3544 * <P> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3545 * Only supertype information for UDTs matching the catalog, |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3546 * schema, and type name is returned. The type name parameter |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3547 * 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
|
3548 * 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
|
3549 * ignored. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3550 * <P> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3551 * 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
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|
3552 * 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
|
3553 * 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
|
3554 * columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3555 * <OL> |
|
194
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diff
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|
3556 * <LI><B>TYPE_CAT</B> String => the UDT's catalog (may be <code>null</code>) |
|
1296dbcc4958
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186
diff
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|
3557 * <LI><B>TYPE_SCHEM</B> String => UDT's schema (may be <code>null</code>) |
|
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186
diff
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|
3558 * <LI><B>TYPE_NAME</B> String => type name of the UDT |
|
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186
diff
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|
3559 * <LI><B>SUPERTYPE_CAT</B> String => the direct super type's catalog |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
3560 * (may be <code>null</code>) |
|
194
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diff
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|
3561 * <LI><B>SUPERTYPE_SCHEM</B> String => the direct super type's schema |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
3562 * (may be <code>null</code>) |
|
194
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186
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|
3563 * <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
|
3564 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3565 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3566 * <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
|
3567 * empty result set is returned. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3568 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3569 * @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
|
3570 * <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
|
3571 * @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
|
3572 * @param typeNamePattern a UDT name pattern; may be a fully-qualified name |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3573 * @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
|
3574 * about the designated UDT |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3575 * @throws SQLException if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
3576 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
3577 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
3578 public ResultSet getSuperTypes( |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
changeset
|
3579 final String catalog, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
changeset
|
3580 final String schemaPattern, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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diff
changeset
|
3581 final String typeNamePattern |
|
0
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diff
changeset
|
3582 ) throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
3583 { |
|
295
003ae6d881db
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diff
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|
3584 final String query = |
|
0
a5a898f6886c
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diff
changeset
|
3585 "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
|
3586 "cast(null as char(1)) AS \"SUPERTYPE_CAT\", '' AS \"SUPERTYPE_SCHEM\", '' AS \"SUPERTYPE_NAME\" " + |
|
352
f62137dd6050
Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
350
diff
changeset
|
3587 "WHERE 1=0"; |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
3588 |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
3589 return executeMetaDataQuery(query); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
3590 } |
|
a5a898f6886c
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diff
changeset
|
3591 |
|
a5a898f6886c
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diff
changeset
|
3592 /** |
|
a5a898f6886c
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diff
changeset
|
3593 * Retrieves a description of the table hierarchies defined in a particular |
|
a5a898f6886c
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diff
changeset
|
3594 * schema in this database. |
|
a5a898f6886c
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diff
changeset
|
3595 * |
|
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diff
changeset
|
3596 * <P>Only supertable information for tables matching the catalog, schema |
|
a5a898f6886c
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diff
changeset
|
3597 * and table name are returned. The table name parameter may be a fully- |
|
a5a898f6886c
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parents:
diff
changeset
|
3598 * qualified name, in which case, the catalog and schemaPattern parameters |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
3599 * are ignored. If a table does not have a super table, it is not listed here. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
3600 * 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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diff
changeset
|
3601 * sub tables. Therefore, the type description does not need to include |
|
a5a898f6886c
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diff
changeset
|
3602 * this information for the supertable. |
|
a5a898f6886c
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diff
changeset
|
3603 * |
|
a5a898f6886c
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diff
changeset
|
3604 * <P>Each type description has the following columns: |
|
a5a898f6886c
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diff
changeset
|
3605 * <OL> |
|
194
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|
3606 * <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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diff
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|
3607 * <LI><B>TABLE_SCHEM</B> String => type's schema (may be <code>null</code>) |
|
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|
3608 * <LI><B>TABLE_NAME</B> String => type name |
|
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diff
changeset
|
3609 * <LI><B>SUPERTABLE_NAME</B> String => the direct super type's name |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
3610 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3611 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3612 * <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
|
3613 * empty result set is returned. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3614 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3615 * @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
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|
3616 * <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
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|
3617 * @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
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|
3618 * @param tableNamePattern a table name pattern; may be a fully-qualified name |
|
0
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3619 * @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.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3620 * @throws SQLException if a database access error occurs |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
3621 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3622 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
3623 public ResultSet getSuperTables( |
|
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
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|
3624 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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|
3625 final String schemaPattern, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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diff
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|
3626 final String tableNamePattern |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3627 ) throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
3628 { |
|
295
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Add "final" keyword to method arguments and local variables where possible.
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|
3629 final String query = |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3630 "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
|
3631 "'' 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
|
3632 "WHERE 1=0"; |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3633 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3634 return executeMetaDataQuery(query); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3635 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3636 |
|
a5a898f6886c
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 * 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
|
3639 * 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
|
3640 * and catalog. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3641 * <P> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3642 * 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
|
3643 * 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
|
3644 * 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
|
3645 * does not contain inherited attributes. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3646 * <P> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3647 * 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
|
3648 * columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3649 * <OL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3650 * <LI><B>TYPE_CAT</B> String => type catalog (may be <code>null</code>) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3651 * <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>
parents:
186
diff
changeset
|
3652 * <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
|
3653 * <LI><B>ATTR_NAME</B> String => attribute name |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3654 * <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>
parents:
186
diff
changeset
|
3655 * <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
|
3656 * 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
|
3657 * fully qualified and represents the target type of the reference type. |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3658 * <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
|
3659 * 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
|
3660 * decimal types this is precision. |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3661 * <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
|
3662 * <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
changeset
|
3663 * <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
|
3664 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3665 * <LI> attributeNoNulls - might not allow NULL values |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3666 * <LI> attributeNullable - definitely allows NULL values |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3667 * <LI> attributeNullableUnknown - nullability unknown |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3668 * </UL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3669 * <LI><B>REMARKS</B> String => comment describing column (may be <code>null</code>) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3670 * <LI><B>ATTR_DEF</B> String => default value (may be <code>null</code>) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3671 * <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
|
3672 * <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
|
3673 * <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
|
3674 * maximum number of bytes in the column |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3675 * <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
|
3676 * (starting at 1) |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3677 * <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
|
3678 * 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
|
3679 * allow NULL values. An empty string means unknown. |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3680 * <LI><B>SCOPE_CATALOG</B> String => catalog of table that is the |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3681 * scope of a reference attribute (<code>null</code> if DATA_TYPE isn't REF) |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3682 * <LI><B>SCOPE_SCHEMA</B> String => schema of table that is the |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3683 * scope of a reference attribute (<code>null</code> if DATA_TYPE isn't REF) |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
changeset
|
3684 * <LI><B>SCOPE_TABLE</B> String => table name that is the scope of a |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3685 * reference attribute (<code>null</code> if the DATA_TYPE isn't REF) |
|
194
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
changeset
|
3686 * <LI><B>SOURCE_DATA_TYPE</B> short => source type of a distinct type or user-generated |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3687 * 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
|
3688 * isn't DISTINCT or user-generated REF) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3689 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3690 * @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
|
3691 * 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
|
3692 * <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
|
3693 * the search |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3694 * @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
|
3695 * 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
|
3696 * <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
|
3697 * the search |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3698 * @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
|
3699 * 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
|
3700 * @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
|
3701 * name as it is declared in the database |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3702 * @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
|
3703 * attribute description |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3704 * @throws SQLException if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3705 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3706 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3707 public ResultSet getAttributes( |
|
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
|
3708 final String catalog, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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parents:
294
diff
changeset
|
3709 final String schemaPattern, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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parents:
294
diff
changeset
|
3710 final String typeNamePattern, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
changeset
|
3711 final String attributeNamePattern |
|
0
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3712 ) throws SQLException |
|
a5a898f6886c
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parents:
diff
changeset
|
3713 { |
|
295
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Add "final" keyword to method arguments and local variables where possible.
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294
diff
changeset
|
3714 final String query = |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3715 "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
|
3716 "'' 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
|
3717 "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
|
3718 "'' 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
|
3719 "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
|
3720 "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
|
3721 "'' 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
|
3722 "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
|
3723 "WHERE 1=0"; |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3724 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3725 return executeMetaDataQuery(query); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3726 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3727 |
|
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 * Retrieves whether this database supports the given result set holdability. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
3730 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3731 * @param holdability one of the following constants: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3732 * <code>ResultSet.HOLD_CURSORS_OVER_COMMIT</code> or |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3733 * <code>ResultSet.CLOSE_CURSORS_AT_COMMIT</code> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3734 * @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
|
3735 * @see Connection |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3736 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3737 @Override |
|
295
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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
|
3738 public boolean supportsResultSetHoldability(final int holdability) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3739 // 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
|
3740 // 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
|
3741 return holdability == ResultSet.HOLD_CURSORS_OVER_COMMIT; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3742 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3743 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3744 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3745 * 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
|
3746 * object. |
|
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 * @return the default holdability; either |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3749 * <code>ResultSet.HOLD_CURSORS_OVER_COMMIT</code> or |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3750 * <code>ResultSet.CLOSE_CURSORS_AT_COMMIT</code> |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3753 public int getResultSetHoldability() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3754 return ResultSet.HOLD_CURSORS_OVER_COMMIT; |
|
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 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3757 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3758 * 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
|
3759 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3760 * @return the underlying database's major version |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3761 * @throws SQLException if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3762 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3763 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3764 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>
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331
diff
changeset
|
3765 return con.getDatabaseMajorVersion(); |
|
0
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 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3768 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3769 * 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
|
3770 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3771 * @return underlying database's minor version |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3772 * @throws SQLException if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
3773 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3774 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3775 public int 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
|
3776 return con.getDatabaseMinorVersion(); |
|
0
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3777 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3778 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3779 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3780 * Retrieves the major JDBC version number for this driver. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3781 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3782 * @return JDBC version major number |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
3783 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
3784 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3785 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
|
3786 return 4; // This class implements JDBC 4.2 (at least we try to) |
|
0
a5a898f6886c
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parents:
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changeset
|
3787 } |
|
a5a898f6886c
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parents:
diff
changeset
|
3788 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3789 /** |
|
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parents:
diff
changeset
|
3790 * Retrieves the minor JDBC version number for this driver. |
|
a5a898f6886c
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parents:
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changeset
|
3791 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
3792 * @return JDBC version minor number |
|
a5a898f6886c
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parents:
diff
changeset
|
3793 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3794 @Override |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3795 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
|
3796 return 2; // This class implements JDBC 4.2 (at least we try to) |
|
0
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
3797 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3798 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3799 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
3800 * Indicates whether the SQLSTATEs returned by <code>SQLException.getSQLState</code> |
|
a5a898f6886c
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diff
changeset
|
3801 * is X/Open (now known as Open Group) SQL CLI or SQL:2003. |
|
a5a898f6886c
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changeset
|
3802 * @return the type of SQLSTATEs, one of: |
|
a5a898f6886c
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changeset
|
3803 * sqlStateXOpen or |
|
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changeset
|
3804 * sqlStateSQL |
|
a5a898f6886c
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changeset
|
3805 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
3806 @Override |
|
a5a898f6886c
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changeset
|
3807 public int getSQLStateType() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
3808 // At least this driver conforms with SQLSTATE to the SQL:2003 standard |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
3809 return DatabaseMetaData.sqlStateSQL; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
3810 } |
|
a5a898f6886c
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changeset
|
3811 |
|
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parents:
diff
changeset
|
3812 /** |
|
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diff
changeset
|
3813 * 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
|
3814 * to the LOB. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3815 * @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
|
3816 * <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
|
3817 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3818 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3819 public boolean locatorsUpdateCopy() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3820 // 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
|
3821 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3822 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3823 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3824 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3825 * Retrieves whether this database supports statement pooling. |
|
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 * @return <code>true</code> is so; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3828 <code>false</code> otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3829 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3830 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3831 public boolean supportsStatementPooling() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3832 // For the moment, I don't think so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3833 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3834 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3835 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3836 //== 1.6 methods (JDBC 4) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3837 |
|
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 * 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
|
3840 * 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
|
3841 * valid. |
|
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 * @return ROWID_UNSUPPORTED for now |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3844 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3845 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3846 public RowIdLifetime getRowIdLifetime() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3847 // I believe we don't do rowids |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3848 return RowIdLifetime.ROWID_UNSUPPORTED; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3849 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3850 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3851 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3852 * 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
|
3853 * are ordered by schema name. |
|
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 * <P>The schema column is: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3856 * <OL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3857 * <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
|
3858 * <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
|
3859 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3860 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3861 * @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
|
3862 * schema name |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3863 * @throws SQLException if a database error occurs |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3866 public ResultSet getSchemas() throws SQLException { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3867 return getSchemas(null, null); |
|
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 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3870 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3871 * 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
|
3872 * vendor functions using the stored procedure escape syntax. |
|
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 * @return true if so; false otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3875 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3876 @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
|
3877 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
|
3878 return con.supportsEscapeSequenceSyntax(); |
|
0
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 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3881 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3882 * Retrieves whether a SQLException while autoCommit is true |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3883 * 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
|
3884 * 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
|
3885 * 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
|
3886 * 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
|
3887 * 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
|
3888 * or not holdable ResultSets are closed. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3889 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3890 * @return true if so; false otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3891 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3892 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3893 public boolean autoCommitFailureClosesAllResultSets() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3894 // 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
|
3895 // 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
|
3896 // failure either. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3897 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3898 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3899 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3900 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3901 * 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
|
3902 * 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
|
3903 * 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
|
3904 * 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
|
3905 * 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
|
3906 * 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
|
3907 * 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
|
3908 * 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
|
3909 * The ResultSet is sorted by the NAME column |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3910 * |
|
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
|
3911 * @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
|
3912 * @throws SQLException if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3913 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3914 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3915 public ResultSet getClientInfoProperties() throws SQLException { |
|
757
7f68120de37c
Corrected DatabaseMetaData method getClientProperties().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
755
diff
changeset
|
3916 // 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
|
3917 final String query = |
|
757
7f68120de37c
Corrected DatabaseMetaData method getClientProperties().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
755
diff
changeset
|
3918 "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
|
3919 "cast(0 as int) AS \"MAX_LEN\", " + |
|
7f68120de37c
Corrected DatabaseMetaData method getClientProperties().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
755
diff
changeset
|
3920 "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
|
3921 "cast(null as varchar(128)) AS \"DESCRIPTION\" " + |
|
7f68120de37c
Corrected DatabaseMetaData method getClientProperties().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
755
diff
changeset
|
3922 "WHERE 1=0"; |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3923 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3924 return executeMetaDataQuery(query); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3925 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3926 |
|
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 * 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
|
3929 * available in the given catalog. |
|
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 * 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
|
3932 * 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
|
3933 * 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
|
3934 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3935 * Each function description has the the following columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3936 * |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3937 * 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
|
3938 * 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
|
3939 * 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
|
3940 * 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
|
3941 * 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
|
3942 * 5. FUNCTION_TYPE short => kind of function: |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3943 * * functionResultUnknown - Cannot determine if a return |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3944 * value or table will be returned |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3945 * * functionNoTable- Does not return a table |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3946 * * 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
|
3947 * 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
|
3948 * 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
|
3949 * 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
|
3950 * FUNCTION_NAME for example with overload functions |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3951 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3952 * 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
|
3953 * that are returned by getFunctions. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3954 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3955 * @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
|
3956 * 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
|
3957 * 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
|
3958 * used to narrow the search |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3959 * @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
|
3960 * 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
|
3961 * 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
|
3962 * not be used to narrow the search |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3963 * @param functionNamePattern a function name pattern; must match |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3964 * 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
|
3965 * 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
|
3966 * @return ResultSet - each row is a function description |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3967 * @throws SQLException if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3968 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3969 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3970 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
|
3971 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
|
3972 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
|
3973 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
|
3974 ) throws SQLException |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3975 { |
|
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
|
3976 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
|
3977 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
|
3978 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
|
3979 "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
|
3980 "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
|
3981 .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
|
3982 "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
|
3983 " 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
|
3984 " ELSE " + DatabaseMetaData.functionResultUnknown + " END AS \"FUNCTION_TYPE\", " + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3985 // 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
|
3986 "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
|
3987 "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
|
3988 "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
|
3989 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
|
3990 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
|
3991 } |
|
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
|
3992 // 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
|
3993 query.append("WHERE f.\"type\" <> 2"); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3994 |
|
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
|
3995 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
298
diff
changeset
|
3996 // non-empty catalog selection. |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3997 // 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
|
3998 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
|
3999 } 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
|
4000 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
|
4001 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
|
4002 } |
|
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
|
4003 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
|
4004 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
|
4005 } |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4006 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4007 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4008 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
|
4009 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4010 return executeMetaDataQuery(query.toString()); |
|
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 |
|
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 * 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
|
4015 * function parameters and return type. |
|
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 * Only descriptions matching the schema, function and parameter name criteria are returned. |
|
a5a898f6886c
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parents:
diff
changeset
|
4018 * They are ordered by FUNCTION_CAT, FUNCTION_SCHEM, FUNCTION_NAME and SPECIFIC_ NAME. |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
4019 * 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.
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parents:
diff
changeset
|
4020 * The column descriptions follow in column number order. |
|
a5a898f6886c
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parents:
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|
4021 * |
|
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|
4022 * 1. FUNCTION_CAT String => function catalog (may be null) |
|
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|
4023 * 2. FUNCTION_SCHEM String => function schema (may be null) |
|
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|
4024 * 3. FUNCTION_NAME String => function name. This is the name used to invoke the function |
|
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186
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|
4025 * 4. COLUMN_NAME String => column/parameter name |
|
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|
4026 * 5. COLUMN_TYPE Short => kind of column/parameter: |
|
0
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parents:
diff
changeset
|
4027 * functionColumnUnknown - nobody knows |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4028 * functionColumnIn - IN parameter |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4029 * functionColumnInOut - INOUT parameter |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4030 * functionColumnOut - OUT parameter |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4031 * functionColumnReturn - function return value |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
4032 * functionColumnResult - Indicates that the parameter or column is a column in the ResultSet |
|
194
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|
4033 * 6. DATA_TYPE int => SQL type from java.sql.Types |
|
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186
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|
4034 * 7. TYPE_NAME String => SQL type name, for a UDT type the type name is fully qualified |
|
1296dbcc4958
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parents:
186
diff
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|
4035 * 8. PRECISION int => precision |
|
1296dbcc4958
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186
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|
4036 * 9. LENGTH int => length in bytes of data |
|
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Resolved javadoc many errors and warnings, such as:
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186
diff
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|
4037 * 10. SCALE short => scale - null is returned for data types where SCALE is not applicable. |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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186
diff
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|
4038 * 11. RADIX short => radix |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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186
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|
4039 * 12. NULLABLE short => can it contain NULL. |
|
0
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parents:
diff
changeset
|
4040 * functionNoNulls - does not allow NULL values |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4041 * functionNullable - allows NULL values |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
4042 * functionNullableUnknown - nullability unknown |
|
194
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4043 * 13. REMARKS String => comment describing column/parameter |
|
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parents:
186
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|
4044 * 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:
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parents:
186
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|
4045 * 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
|
4046 * 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
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Resolved javadoc many errors and warnings, such as:
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186
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changeset
|
4047 * 16. IS_NULLABLE String => ISO rules are used to determine the nullability for a parameter or column. |
|
0
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4048 * 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
|
4049 * 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
|
4050 * empty string --- if the nullability for the parameter or column is unknown |
|
194
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Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4051 * 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
|
4052 * 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
|
4053 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4054 * @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
|
4055 * 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
|
4056 * 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
|
4057 * used to narrow the search |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4058 * @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
|
4059 * 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
|
4060 * 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
|
4061 * not be used to narrow the search |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4062 * @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
|
4063 * 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
|
4064 * 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
|
4065 * @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
|
4066 * 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
|
4067 * 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
|
4068 * @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
|
4069 * column or return type |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4070 * @throws SQLException - if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4071 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4072 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4073 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
|
4074 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
|
4075 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
|
4076 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
|
4077 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
|
4078 ) throws SQLException |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4079 { |
|
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
|
4080 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
|
4081 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
|
4082 "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
|
4083 "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
|
4084 "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
|
4085 "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
|
4086 " 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
|
4087 " 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
|
4088 " 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
|
4089 "cast(").append(MonetDriver.getSQLTypeMap("a.\"type\"")).append(" AS int) AS \"DATA_TYPE\", " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
4090 "a.\"type\" AS \"TYPE_NAME\", " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
4091 "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
|
4092 " 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
|
4093 "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
|
4094 " 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
|
4095 "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
|
4096 "'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
|
4097 "cast(CASE WHEN a.\"type\" IN ('tinyint','smallint','int','bigint','hugeint','oid','wrd','decimal','numeric','day_interval','month_interval','sec_interval') THEN 10" + |
|
302
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
4098 " 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
|
4099 // 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
changeset
|
4100 "cast(").append(DatabaseMetaData.functionNullableUnknown).append(" AS smallint) AS \"NULLABLE\", " + |
|
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
changeset
|
4101 "cast(null as char(1)) AS \"REMARKS\", " + |
|
302
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
4102 "cast(CASE WHEN a.\"type\" IN ('char','varchar','clob') THEN a.\"type_digits\" ELSE NULL END as int) AS \"CHAR_OCTET_LENGTH\", " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
4103 "cast(a.\"number\" as int) AS \"ORDINAL_POSITION\", " + |
|
217
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
changeset
|
4104 "cast('' as varchar(3)) AS \"IS_NULLABLE\", " + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4105 // the specific name contains the function id, in order to be able to match the args to the correct overloaded function name |
|
302
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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300
diff
changeset
|
4106 "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
|
4107 "FROM \"sys\".\"args\" a " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
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4108 "JOIN \"sys\".\"functions\" f ON a.\"func_id\" = f.\"id\" " + |
|
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|
4109 "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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|
4110 // only functions, so exclude procedures (type = 2). Those will to be returned via getProcedureColumns() |
|
302
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|
4111 "WHERE f.\"type\" <> 2"); |
|
0
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|
4112 |
|
216
116b5a149fb4
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
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|
4113 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
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|
4114 // non-empty catalog selection. |
|
0
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diff
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|
4115 // as we do not support catalogs this always results in no rows returned |
|
352
f62137dd6050
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diff
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|
4116 query.append(" AND 1=0"); |
|
216
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|
4117 } 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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diff
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|
4118 if (schemaPattern != null && !schemaPattern.equals("%")) { |
|
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1b6c514106ce
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|
4119 query.append(" AND s.\"name\" ").append(composeMatchPart(schemaPattern)); |
|
216
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|
4120 } |
|
323
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|
4121 if (functionNamePattern != null && !functionNamePattern.equals("%")) { |
|
302
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|
4122 query.append(" AND f.\"name\" ").append(composeMatchPart(functionNamePattern)); |
|
216
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|
4123 } |
|
323
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
4124 if (columnNamePattern != null && !columnNamePattern.equals("%")) { |
|
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|
4125 query.append(" AND a.\"name\" ").append(composeMatchPart(columnNamePattern)); |
|
216
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|
4126 } |
|
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|
4127 } |
|
216
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4128 |
|
0
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parents:
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|
4129 query.append(" ORDER BY \"FUNCTION_SCHEM\", \"FUNCTION_NAME\", \"SPECIFIC_NAME\", \"ORDINAL_POSITION\""); |
|
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|
4130 |
|
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|
4131 return executeMetaDataQuery(query.toString()); |
|
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parents:
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|
4132 } |
|
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|
4133 |
|
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|
4134 //== 1.7 methods (JDBC 4.1) |
|
372
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Optimize SQL query generation by eliminating "WHERE 1=1" conditions
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|
4135 |
|
0
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parents:
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|
4136 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
4137 * Retrieves a description of the pseudo or hidden columns available |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4138 * 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
|
4139 * or hidden columns may not always be stored within a table and are |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
4140 * 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
|
4141 * 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
|
4142 * necessarily be able to be modified. |
|
a5a898f6886c
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parents:
diff
changeset
|
4143 * 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
|
4144 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
4145 * 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
|
4146 * 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
|
4147 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4148 * 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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|
4149 * |
|
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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|
4150 * 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
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|
4151 * 2. TABLE_SCHEM String => table schema (may be null) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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186
diff
changeset
|
4152 * 3. TABLE_NAME String => table 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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|
4153 * 4. COLUMN_NAME String => column name |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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186
diff
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|
4154 * 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
changeset
|
4155 * 6. COLUMN_SIZE int => column size. |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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parents:
186
diff
changeset
|
4156 * 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
|
4157 * 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
changeset
|
4158 * 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
changeset
|
4159 * 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
changeset
|
4160 * 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>
parents:
186
diff
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|
4161 * 12. IS_NULLABLE String => ISO rules are used to determine the nullability for a column. |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4162 * YES --- if the column can include NULLs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4163 * NO --- if the column cannot include NULLs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4164 * empty string --- if the nullability for the column is unknown |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4165 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4166 * @param catalog a catalog name |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4167 * @param schemaPattern a schema name pattern |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4168 * @param tableNamePattern a table name pattern |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4169 * @param columnNamePattern a column name pattern |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4170 * @return ResultSet where each row is a column description |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4171 * @throws SQLException if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4172 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4173 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4174 public ResultSet getPseudoColumns( |
|
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
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|
4175 final String catalog, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
changeset
|
4176 final String schemaPattern, |
|
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
|
4177 final String tableNamePattern, |
|
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
|
4178 final String columnNamePattern |
|
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
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|
4179 ) throws SQLException |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4180 { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
4181 // MonetDB currently does not support pseudo or hidden columns, so return an empty ResultSet |
|
295
003ae6d881db
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294
diff
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|
4182 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>
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216
diff
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|
4183 "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>
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216
diff
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|
4184 "'' 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>
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216
diff
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|
4185 "'' 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>
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216
diff
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|
4186 "'' AS \"COLUMN_NAME\", " + |
|
7cbd20ff628c
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
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|
4187 "cast(0 as int) AS \"DATA_TYPE\", " + |
|
7cbd20ff628c
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
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|
4188 "cast(0 as int) AS \"COLUMN_SIZE\", " + |
|
7cbd20ff628c
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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216
diff
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|
4189 "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>
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216
diff
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|
4190 "cast(0 as int) AS \"NUM_PREC_RADIX\", " + |
|
7cbd20ff628c
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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216
diff
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|
4191 "'' 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>
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216
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|
4192 "'' 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>
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216
diff
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|
4193 "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>
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216
diff
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|
4194 "'' AS \"IS_NULLABLE\" " + |
|
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
changeset
|
4195 "WHERE 1=0"; |
|
0
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diff
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|
4196 |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4197 return executeMetaDataQuery(query); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4198 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
4199 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
4200 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
4201 * 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
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|
4202 * 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
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|
4203 * 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:
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changeset
|
4204 * 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
|
4205 * generated key. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4206 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4207 * @return true if so, false otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4208 * @throws SQLException - if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4209 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4210 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4211 public boolean generatedKeyAlwaysReturned() throws SQLException { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4212 return true; |
|
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 |
|
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
|
4215 //== 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
|
4216 |
|
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
263
diff
changeset
|
4217 /** |
|
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
263
diff
changeset
|
4218 * 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
|
4219 * 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
|
4220 * @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
|
4221 */ |
|
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
263
diff
changeset
|
4222 @Override |
|
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
263
diff
changeset
|
4223 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
|
4224 return 0; |
|
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 |
|
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
263
diff
changeset
|
4227 /** |
|
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
263
diff
changeset
|
4228 * 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
|
4229 * 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
|
4230 * @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
|
4231 */ |
|
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
263
diff
changeset
|
4232 @Override |
|
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
263
diff
changeset
|
4233 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
|
4234 return false; |
|
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 |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4237 //== 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
|
4238 |
|
a91168efdf27
Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
302
diff
changeset
|
4239 |
|
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
|
4240 //== 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
|
4241 |
|
e8962bdaa206
Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
331
diff
changeset
|
4242 /** |
|
e8962bdaa206
Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
331
diff
changeset
|
4243 * 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
|
4244 * 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
|
4245 * 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
|
4246 * |
|
bdeabbd46ec6
Resolve javac and javadoc warnings when compiled with JDK19.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
682
diff
changeset
|
4247 * @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
|
4248 * @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
|
4249 * @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
|
4250 */ |
|
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
|
4251 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
|
4252 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
|
4253 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
|
4254 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
|
4255 // 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
|
4256 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
|
4257 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
|
4258 /* 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
|
4259 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
|
4260 } 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
|
4261 /* 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
|
4262 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
|
4263 } |
|
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 } |
|
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 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
|
4266 } |
|
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
|
4267 |
|
a91168efdf27
Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
302
diff
changeset
|
4268 /** |
|
427
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4269 * 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
|
4270 * - 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
|
4271 * - 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
|
4272 * - 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
|
4273 * |
|
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4274 * 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
|
4275 * 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
|
4276 * |
|
a91168efdf27
Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
302
diff
changeset
|
4277 * @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
|
4278 * @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
|
4279 */ |
|
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
|
4280 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
|
4281 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
|
4282 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
|
4283 |
|
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
|
4284 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
|
4285 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
|
4286 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
|
4287 |
|
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 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
|
4289 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
|
4290 |
|
427
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4291 // 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
|
4292 // 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
|
4293 // 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
|
4294 // 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
|
4295 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
|
4296 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
|
4297 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
|
4298 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
|
4299 try { |
|
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4300 // 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
|
4301 // 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
|
4302 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
|
4303 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
|
4304 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
|
4305 case '\\': |
|
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4306 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
|
4307 // 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
|
4308 sb.append(c).append(c); |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4309 escaped = false; |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4310 } else { |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4311 escaped = true; |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4312 } |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4313 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
|
4314 case '%': |
|
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4315 case '_': |
|
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4316 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
|
4317 removed_bs = true; |
|
440
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4318 escaped = false; |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4319 } 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
|
4320 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
|
4321 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
|
4322 } |
|
440
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4323 sb.append(c); |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4324 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
|
4325 default: |
|
440
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4326 if (escaped) { |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4327 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
|
4328 escaped = false; |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4329 } |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4330 sb.append(c); |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4331 break; |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4332 } |
|
427
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4333 } |
|
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4334 } 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
|
4335 /* ignore */ |
|
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4336 } |
|
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 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
|
4339 // 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
|
4340 // 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
|
4341 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
|
4342 } |
|
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4343 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
|
4344 // 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
|
4345 // 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
|
4346 // 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
|
4347 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
|
4348 } |
|
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4349 // 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
|
4350 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
|
4351 } |
|
a91168efdf27
Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
302
diff
changeset
|
4352 |
|
a91168efdf27
Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
302
diff
changeset
|
4353 //== end helper methods |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4354 } |