Mercurial > hg > monetdb-java
annotate src/main/java/org/monetdb/jdbc/MonetDatabaseMetaData.java @ 973:32f246853ec4 default tip
Optimisation, call connection.mapClobAsVarChar() and connection.mapBlobAsVarBinary() outside the for-loop, as it does not change.
| author | Martin van Dinther <martin.van.dinther@monetdbsolutions.com> |
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| date | Thu, 10 Apr 2025 19:26:59 +0200 (3 hours ago) |
| parents | ef11627b87cb |
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| rev | line source |
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1 /* |
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2 * SPDX-License-Identifier: MPL-2.0 |
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3 * |
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4 * This Source Code Form is subject to the terms of the Mozilla Public |
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5 * License, v. 2.0. If a copy of the MPL was not distributed with this |
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6 * file, You can obtain one at http://mozilla.org/MPL/2.0/. |
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7 * |
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Update Copyright year.
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8 * Copyright 2024, 2025 MonetDB Foundation; |
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9 * Copyright August 2008 - 2023 MonetDB B.V.; |
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10 * Copyright 1997 - July 2008 CWI. |
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11 */ |
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12 |
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13 package org.monetdb.jdbc; |
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14 |
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15 import org.monetdb.mcl.net.ClientInfo; |
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16 |
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17 import java.sql.Connection; |
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18 import java.sql.DatabaseMetaData; |
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19 import java.sql.Statement; |
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20 import java.sql.SQLException; |
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21 import java.sql.ResultSet; |
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22 import java.sql.ResultSetMetaData; |
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23 import java.sql.RowIdLifetime; |
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24 import java.sql.Types; |
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25 |
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26 /** |
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27 * A DatabaseMetaData object suitable for the MonetDB database. |
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28 * |
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29 * @author Fabian Groffen |
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30 * @author Martin van Dinther |
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31 * @version 1.0 |
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32 */ |
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33 public final class MonetDatabaseMetaData |
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34 extends MonetWrapper |
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35 implements DatabaseMetaData |
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36 { |
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37 private final MonetConnection con; |
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38 |
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39 /** |
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40 * Constructor |
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41 * @param parent the parent MonetConnection object. |
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42 */ |
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43 public MonetDatabaseMetaData(final MonetConnection parent) { |
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44 con = parent; |
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45 } |
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46 |
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47 /** |
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48 * Retrieves whether the current user can call all the procedures |
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49 * returned by the method getProcedures. |
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50 * |
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51 * @return false because we currently return all procedures from sys.functions |
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52 * and do not filter on EXECUTE privilege or procedure ownership. |
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53 */ |
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54 @Override |
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55 public boolean allProceduresAreCallable() { |
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56 return false; |
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57 } |
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58 |
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59 /** |
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60 * Retrieves whether the current user can use all the tables |
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61 * returned by the method getTables in a SELECT statement. |
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62 * |
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63 * @return false because we currently return all tables from sys.tables |
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64 * and do not filter on SELECT privilege or table ownership. |
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65 */ |
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66 @Override |
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67 public boolean allTablesAreSelectable() { |
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68 return false; |
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69 } |
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70 |
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71 /** |
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72 * What is the URL for this database? |
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73 * |
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74 * @return a reconstructed connection string |
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75 * @throws SQLException if a database access error occurs |
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76 */ |
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77 @Override |
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78 public String getURL() throws SQLException { |
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79 return con.getJDBCURL(); |
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80 } |
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81 |
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82 /** |
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83 * What is our user name as known to the database? |
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84 * |
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85 * @return sql user |
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86 * @throws SQLException if a database access error occurs |
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87 */ |
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88 @Override |
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89 public String getUserName() throws SQLException { |
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90 return con.getUserName(); |
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91 } |
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92 |
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93 /** |
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94 * Is the database in read-only mode? |
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95 * |
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96 * @return always false for now |
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97 */ |
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98 @Override |
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99 public boolean isReadOnly() { |
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100 return false; |
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101 } |
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102 |
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103 /** |
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104 * Retrieves whether NULL values are sorted high. Sorted high means |
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105 * that NULL values sort higher than any other value in a domain. |
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106 * In an ascending order, if this method returns true, NULL values will appear at the end. |
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107 * By contrast, the method nullsAreSortedAtEnd indicates whether NULL values are sorted at the end regardless of sort order. |
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108 * |
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109 * @return false because MonetDB shows NULL values at the beginning upon ORDER BY .. ASC, not at the end |
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110 * @see #nullsAreSortedLow() |
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111 */ |
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112 @Override |
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113 public boolean nullsAreSortedHigh() { |
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114 return false; |
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115 } |
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116 |
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117 /** |
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118 * Retrieves whether NULL values are sorted low. Sorted low means |
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119 * that NULL values sort lower than any other value in a domain. |
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120 * In an ascending order, if this method returns true, NULL values will appear at the beginning. |
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121 * By contrast, the method nullsAreSortedAtStart indicates whether NULL values are sorted at the beginning regardless of sort order. |
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122 * |
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123 * @return true because MonetDB shows NULL values at the beginning upon ORDER BY .. ASC |
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124 * @see #nullsAreSortedHigh() |
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125 */ |
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126 @Override |
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127 public boolean nullsAreSortedLow() { |
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128 return true; |
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129 } |
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130 |
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131 /** |
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132 * Are NULL values sorted at the start regardless of sort order? |
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133 * |
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134 * @return false, since MonetDB doesn't do this |
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135 */ |
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136 @Override |
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137 public boolean nullsAreSortedAtStart() { |
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138 return false; |
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139 } |
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140 |
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141 /** |
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142 * Are NULL values sorted at the end regardless of sort order? |
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143 * |
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144 * @return false, since MonetDB doesn't do this |
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145 */ |
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146 @Override |
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147 public boolean nullsAreSortedAtEnd() { |
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148 return false; |
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149 } |
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150 |
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151 /** |
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152 * What is the name of this database product - this should be MonetDB |
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153 * of course, so we return that explicitly. |
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154 * |
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155 * @return the database product name |
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156 */ |
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157 @Override |
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158 public String getDatabaseProductName() { |
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159 return "MonetDB"; |
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160 } |
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161 |
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162 /** |
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163 * What is the version of this database product. |
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164 * |
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165 * @return the mserver5 version number string |
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166 * @throws SQLException if a database access error occurs |
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167 */ |
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168 @Override |
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169 public String getDatabaseProductVersion() throws SQLException { |
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170 return con.getDatabaseProductVersion(); |
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171 } |
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172 |
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173 /** |
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174 * What is the name of this JDBC driver? |
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175 * |
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176 * @return the JDBC driver name |
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177 */ |
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178 @Override |
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179 public String getDriverName() { |
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180 return "MonetDB Native Driver"; |
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181 } |
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182 |
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183 /** |
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184 * Retrieves the version number of this JDBC driver as a String. |
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185 * |
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186 * @return the JDBC driver version string |
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187 */ |
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188 @Override |
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189 public String getDriverVersion() { |
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190 return MonetVersion.driverVersion; |
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191 } |
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192 |
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193 /** |
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194 * What is this JDBC driver's major version number? |
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195 * |
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196 * @return the JDBC driver major version number |
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197 */ |
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198 @Override |
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199 public int getDriverMajorVersion() { |
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200 return MonetVersion.majorVersion; |
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201 } |
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202 |
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203 /** |
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204 * What is this JDBC driver's minor version number? |
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205 * |
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206 * @return the JDBC driver minor version number |
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207 */ |
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208 @Override |
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209 public int getDriverMinorVersion() { |
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210 return MonetVersion.minorVersion; |
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211 } |
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212 |
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213 /** |
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214 * Does the database store tables in a local file? |
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215 * No, it stores them in files on the server. |
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216 * |
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217 * @return false because that's what MonetDB is for |
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218 */ |
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219 @Override |
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220 public boolean usesLocalFiles() { |
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221 return false; |
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222 } |
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223 |
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224 /** |
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225 * Does the database use a local file for each table? |
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226 * |
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227 * @return false for it doesn't |
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228 */ |
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229 @Override |
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230 public boolean usesLocalFilePerTable() { |
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231 return false; |
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232 } |
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233 |
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234 /** |
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235 * Does the database treat mixed case unquoted SQL identifiers |
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236 * as case sensitive and as a result store them in mixed case? |
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231
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237 * A JDBC Compliant <sup>TM</sup> driver always returns false. |
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238 * |
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239 * @return false |
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240 */ |
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241 @Override |
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242 public boolean supportsMixedCaseIdentifiers() { |
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243 return false; |
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244 } |
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245 |
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246 /** |
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247 * Does the database treat mixed case unquoted SQL identifiers as |
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248 * case insensitive and store them in upper case? |
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249 * |
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250 * @return true if so |
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251 */ |
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252 @Override |
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253 public boolean storesUpperCaseIdentifiers() { |
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254 return false; |
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255 } |
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256 |
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257 /** |
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258 * Does the database treat mixed case unquoted SQL identifiers as |
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259 * case insensitive and store them in lower case? |
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260 * |
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261 * @return true if so |
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262 */ |
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263 @Override |
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264 public boolean storesLowerCaseIdentifiers() { |
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265 return true; |
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266 } |
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267 |
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268 /** |
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269 * Does the database treat mixed case unquoted SQL identifiers as |
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270 * case insensitive and store them in mixed case? |
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271 * |
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272 * @return true if so |
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273 */ |
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274 @Override |
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275 public boolean storesMixedCaseIdentifiers() { |
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276 return false; |
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277 } |
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278 |
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279 /** |
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280 * Does the database treat mixed case quoted SQL identifiers as |
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281 * case sensitive and as a result store them in mixed case? |
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282 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
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283 * |
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284 * @return true if so |
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285 */ |
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286 @Override |
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287 public boolean supportsMixedCaseQuotedIdentifiers() { |
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288 return true; |
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289 } |
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290 |
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291 /** |
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292 * Does the database treat mixed case quoted SQL identifiers as |
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293 * case insensitive and store them in upper case? |
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294 * |
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295 * @return true if so |
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296 */ |
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297 @Override |
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298 public boolean storesUpperCaseQuotedIdentifiers() { |
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299 return false; |
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300 } |
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301 |
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302 /** |
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303 * Does the database treat mixed case quoted SQL identifiers as case |
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304 * insensitive and store them in lower case? |
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305 * |
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306 * @return true if so |
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307 */ |
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308 @Override |
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309 public boolean storesLowerCaseQuotedIdentifiers() { |
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310 return false; |
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311 } |
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312 |
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313 /** |
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314 * Does the database treat mixed case quoted SQL identifiers as case |
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315 * insensitive and store them in mixed case? |
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316 * |
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317 * @return true if so |
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318 */ |
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319 @Override |
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320 public boolean storesMixedCaseQuotedIdentifiers() { |
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321 return false; |
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322 } |
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323 |
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324 /** |
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325 * What is the string used to quote SQL identifiers? |
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326 * This returns a space if identifier quoting isn't supported. |
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327 * A JDBC Compliant <sup>TM</sup> driver |
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328 * will always use a double quote character. |
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329 * |
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330 * @return the quoting string |
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331 */ |
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332 @Override |
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333 public String getIdentifierQuoteString() { |
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334 return "\""; |
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335 } |
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336 |
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337 /** |
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338 * Retrieves a comma-separated list of all of this database's |
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339 * SQL keywords that are NOT also SQL:2003 keywords. |
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340 * |
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341 * @return a comma separated list of MonetDB keywords that are not also SQL:2003 keywords |
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342 */ |
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343 @Override |
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344 public String getSQLKeywords() { |
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345 return getConcatenatedStringFromQuery( |
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346 "SELECT \"keyword\" FROM \"sys\".\"keywords\" " + |
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347 // exclude all SQL:2003 keywords |
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348 "WHERE \"keyword\" NOT IN (" + |
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349 "'ABS','ALL','ALLOCATE','ALTER','AND','ANY','ARE','ARRAY','AS'," + |
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350 "'ASENSITIVE','ASYMMETRIC','AT','ATOMIC','AUTHORIZATION','AVG'," + |
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351 "'BEGIN','BETWEEN','BIGINT','BINARY','BLOB','BOOLEAN','BOTH','BY'," + |
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352 "'CALL','CALLED','CARDINALITY','CASCADED','CASE','CAST','CEIL','CEILING'," + |
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353 "'CHAR','CHARACTER','CHARACTER_LENGTH','CHAR_LENGTH','CHECK','CLOB'," + |
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354 "'CLOSE','COALESCE','COLLATE','COLLECT','COLUMN','COMMIT','CONDITION'," + |
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355 "'CONNECT','CONSTRAINT','CONVERT','CORR','CORRESPONDING','COUNT'," + |
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356 "'COVAR_POP','COVAR_SAMP','CREATE','CROSS','CUBE','CUME_DIST','CURRENT','CURRENT_DATE'," + |
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357 "'CURRENT_DEFAULT_TRANSFORM_GROUP','CURRENT_PATH','CURRENT_ROLE','CURRENT_TIME'," + |
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358 "'CURRENT_TIMESTAMP','CURRENT_TRANSFORM_GROUP_FOR_TYPE','CURRENT_USER','CURSOR','CYCLE'," + |
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359 "'DATE','DAY','DEALLOCATE','DEC','DECIMAL','DECLARE','DEFAULT','DELETE','DENSE_RANK','DEREF'," + |
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360 "'DESCRIBE','DETERMINISTIC','DISCONNECT','DISTINCT','DOUBLE','DROP','DYNAMIC'," + |
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361 "'EACH','ELEMENT','ELSE','END','END-EXEC','ESCAPE','EVERY','EXCEPT','EXEC','EXECUTE','EXISTS','EXP','EXTERNAL','EXTRACT'," + |
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362 "'FALSE','FETCH','FILTER','FLOAT','FLOOR','FOR','FOREIGN','FREE','FROM','FULL','FUNCTION','FUSION'," + |
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363 "'GET','GLOBAL','GRANT','GROUP','GROUPING','HAVING','HOLD','HOUR'," + |
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364 "'IDENTITY','IN','INDICATOR','INNER','INOUT','INSENSITIVE','INSERT'," + |
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365 "'INT','INTEGER','INTERSECT','INTERSECTION','INTERVAL','INTO','IS','JOIN'," + |
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366 "'LANGUAGE','LARGE','LATERAL','LEADING','LEFT','LIKE','LN','LOCAL','LOCALTIME','LOCALTIMESTAMP','LOWER'," + |
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367 "'MATCH','MAX','MEMBER','MERGE','METHOD','MIN','MINUTE','MOD','MODIFIES','MODULE','MONTH','MULTISET'," + |
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368 "'NATIONAL','NATURAL','NCHAR','NCLOB','NEW','NO','NONE','NORMALIZE','NOT','NULL','NULLIF','NUMERIC'," + |
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369 "'OCTET_LENGTH','OF','OLD','ON','ONLY','OPEN','OR','ORDER','OUT','OUTER','OVER','OVERLAPS','OVERLAY'," + |
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370 "'PARAMETER','PARTITION','PERCENTILE_CONT','PERCENTILE_DISC','PERCENT_RANK'," + |
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371 "'POSITION','POWER','PRECISION','PREPARE','PRIMARY','PROCEDURE'," + |
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372 "'RANGE','RANK','READS','REAL','RECURSIVE','REF','REFERENCES','REFERENCING'," + |
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373 "'REGR_AVGX','REGR_AVGY','REGR_COUNT','REGR_INTERCEPT','REGR_R2','REGR_SLOPE','REGR_SXX','REGR_SXY','REGR_SYY'," + |
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374 "'RELEASE','RESULT','RETURN','RETURNS','REVOKE','RIGHT','ROLLBACK','ROLLUP','ROW','ROWS','ROW_NUMBER'," + |
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375 "'SAVEPOINT','SCOPE','SCROLL','SEARCH','SECOND','SELECT','SENSITIVE','SESSION_USER','SET'," + |
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376 "'SIMILAR','SMALLINT','SOME','SPECIFIC','SPECIFICTYPE','SQL','SQLEXCEPTION','SQLSTATE','SQLWARNING'," + |
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377 "'SQRT','START','STATIC','STDDEV_POP','STDDEV_SAMP','SUBMULTISET','SUBSTRING','SUM'," + |
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378 "'SYMMETRIC','SYSTEM','SYSTEM_USER'," + |
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379 "'TABLE','TABLESAMPLE','THEN','TIME','TIMESTAMP','TIMEZONE_HOUR','TIMEZONE_MINUTE'," + |
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380 "'TO','TRAILING','TRANSLATE','TRANSLATION','TREAT','TRIGGER','TRIM','TRUE'," + |
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381 "'UESCAPE','UNION','UNIQUE','UNKNOWN','UNNEST','UPDATE','UPPER','USER','USING'," + |
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382 "'VALUE','VALUES','VARCHAR','VARYING','VAR_POP','VAR_SAMP'," + |
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383 "'WHEN','WHENEVER','WHERE','WIDTH_BUCKET','WINDOW','WITH','WITHIN','WITHOUT','YEAR'" + |
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384 ") ORDER BY 1"); |
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385 } |
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386 |
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387 /** |
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388 * Internal utility method getConcatenatedStringFromQuery(String query) |
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389 * @param query the SQL SELECT query. Only the output of the first column is fetched and concatenated. |
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390 * @return a String of query result values concatenated into one string, and values separated by comma's |
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391 */ |
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392 private String getConcatenatedStringFromQuery(final String query) { |
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393 final StringBuilder sb = new StringBuilder(1200); |
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394 Statement st = null; |
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395 ResultSet rs = null; |
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396 try { |
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397 st = con.createStatement(); |
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398 rs = st.executeQuery(query); |
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399 // Fetch the first column output and concatenate the values into a StringBuilder separated by comma's |
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400 boolean isfirst = true; |
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401 while (rs.next()) { |
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402 String value = rs.getString(1); |
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403 if (value != null) { |
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404 if (isfirst) { |
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405 isfirst = false; |
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406 } else { |
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407 sb.append(','); |
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408 } |
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409 sb.append(value); |
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410 } |
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411 } |
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412 } catch (SQLException e) { |
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413 /* ignore */ |
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414 } finally { |
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300
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415 MonetConnection.closeResultsetStatement(rs, st); |
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416 } |
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417 // for debug: System.out.println("SQL (len " + query.length() + "): " + query + "\nResult string(len " + sb.length() + "): " + sb.toString()); |
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418 return sb.toString(); |
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419 } |
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420 |
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421 // SQL query parts shared by four get<Type>Functions() below |
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422 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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423 " FROM \"sys\".\"functions\" f JOIN \"sys\".\"schemas\" s ON f.\"schema_id\" = s.\"id\" WHERE "; |
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298
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424 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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425 // 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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426 private static final String OrFunctionsMaxMin = " OR f.\"name\" IN ('sql_max','sql_min','least','greatest')"; |
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427 private static final String FunctionsOrderBy1 = " ORDER BY 1"; |
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428 |
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429 @Override |
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430 public String getNumericFunctions() { |
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431 final String match = |
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432 "('tinyint','smallint','int','bigint','hugeint','decimal','double','real'))" + |
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433 " AND \"type\" = 1" + // only scalar functions |
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434 // exclude functions which do not work or belong to string functions (code(int) and space(int)) |
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435 " AND f.\"name\" NOT IN ('code','not_uniques','rotate_xor_hash','space'))" + |
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436 // 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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437 " OR f.\"name\" IN ('alpha','degrees','fuse','ms_round','ms_str','ms_trunc','pi','radians')"; |
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438 return getConcatenatedStringFromQuery(FunctionsSelect + FunctionsWhere + match + OrFunctionsMaxMin + FunctionsOrderBy1); |
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439 } |
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440 |
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441 @Override |
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442 public String getStringFunctions() { |
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443 final String match = |
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444 "('char','varchar','clob','json','url'))" + |
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445 " AND \"type\" = 1" + // only scalar functions |
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446 // exclude sql functions: get_value_for, next_value_for, restart |
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447 " AND \"mod\" <> 'sql')" + |
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448 // include specific functions code(int) and space(int) which belong to the 'str' module |
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449 // include functions (difference, editdistance, editdistance2, levenshtein, qgramnormalize, similarity, soundex) which since Jun2023 are in the 'txtsim' module |
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450 " OR (\"mod\" IN ('str','txtsim') AND \"type\" = 1)" + |
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451 // 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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452 " OR f.\"name\" IN ('isarray','isobject','isvalid','md5','ms_stuff','reverse')"; |
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295
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453 final String unionPart = |
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454 // 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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455 " UNION SELECT 'position'"; |
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456 return getConcatenatedStringFromQuery(FunctionsSelect + FunctionsWhere + match + OrFunctionsMaxMin + unionPart + FunctionsOrderBy1); |
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457 } |
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458 |
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459 @Override |
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460 public String getSystemFunctions() { |
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461 final String wherePart = |
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462 "f.\"name\" IN ('columnsize','current_sessionid','database','debug'" + |
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463 ",'get_value_for','greatest','hash','hashsize','heapsize'" + |
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464 ",'ifthenelse','imprintsize','isaurl','isauuid','isnull','least'" + |
|
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465 ",'masterclock','mastertick'" + // wlc/wlr functions |
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466 ",'newurl','next_value_for','password_hash'" + |
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467 ",'replicaclock','replicatick'" + // wlc/wlr functions |
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468 ",'sql_max','sql_min','uuid')"; |
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469 String unionPart = |
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470 // add functions which are not listed in sys.functions but implemented in the SQL parser (see sql/server/sql_parser.y) |
|
781
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471 " UNION SELECT * FROM (VALUES('cast'),('coalesce'),('convert'),('ifnull'),('nullif')) as sf"; |
|
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472 // from release 11.47.1 we support function: ifnull, but only with odbc escape notation, so {fn ifnull(null, 2)}. See issue: 6933. |
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473 // from release 11.49.1 we support function: ifnull also without odbc escape notation. |
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474 if (! con.checkMinimumDBVersion(11, 47)) |
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475 // release 11.45 (Sep2022) or older did not support function: ifnull. remove it. |
|
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476 unionPart = unionPart.replace(",('ifnull')", ""); |
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477 return getConcatenatedStringFromQuery(FunctionsSelect + wherePart + unionPart + FunctionsOrderBy1); |
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478 } |
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479 |
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480 @Override |
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481 public String getTimeDateFunctions() { |
|
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482 final String wherePart = |
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483 "\"mod\" IN ('mtime','timestamp')" + |
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484 // include Date/Time functions which are located in 'str' module |
|
968
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Let getTimeDateFunctions() return functions sys.dayname and sys.monthname when the server supports them.
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485 " OR f.\"name\" IN ('localtime','localtimestamp','date_trunc','dayname','monthname')"; |
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486 final String unionPart = |
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487 // add time date functions which are not listed in sys.functions but implemented in the SQL parser (see sql/server/sql_parser.y) |
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488 " UNION SELECT 'extract'" + |
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489 " UNION SELECT 'now'"; |
|
734
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490 // ToDo: from release 11.47.1 we also support functions: dayname and monthname, but only with odbc escape notation, so {fn dayname(current_date)}. Related issue: 7300. |
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491 return getConcatenatedStringFromQuery(FunctionsSelect + wherePart + OrFunctionsMaxMin + unionPart + FunctionsOrderBy1); |
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492 } |
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493 |
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494 /** |
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495 * This is the string that can be used to escape '_' and '%' in |
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496 * a search string pattern style catalog search parameters |
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497 * |
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498 * @return the string used to escape wildcard characters |
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499 */ |
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500 @Override |
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501 public String getSearchStringEscape() { |
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502 return "\\"; |
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503 } |
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504 |
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505 /** |
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506 * Get all the "extra" characters that can be used in unquoted |
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507 * identifier names (those beyond a-zA-Z0-9 and _) |
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508 * |
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509 * @return a string containing the extra characters |
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510 */ |
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511 @Override |
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512 public String getExtraNameCharacters() { |
|
194
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513 // MonetDB has no extra characters. Verified it for chars: !@#$%^&*()~{}[]? |
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514 return ""; |
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515 } |
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516 |
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517 /** |
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518 * Is "ALTER TABLE" with an add column supported? |
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519 * |
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520 * @return true if so |
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521 */ |
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522 @Override |
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523 public boolean supportsAlterTableWithAddColumn() { |
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524 return true; |
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525 } |
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526 |
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527 /** |
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528 * Is "ALTER TABLE" with a drop column supported? |
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529 * |
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530 * @return true if so |
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531 */ |
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532 @Override |
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533 public boolean supportsAlterTableWithDropColumn() { |
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534 return true; |
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535 } |
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536 |
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537 /** |
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538 * Is column aliasing supported? |
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539 * |
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540 * <p>If so, the SQL AS clause can be used to provide names for |
|
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541 * computed columns or to provide alias names for columns as required. |
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542 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
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543 * |
|
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544 * <p>e.g. |
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545 * |
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546 * <br><pre> |
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547 * select count(C) as C_COUNT from T group by C; |
|
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548 * |
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549 * </pre><br> |
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550 * should return a column named as C_COUNT instead of count(C) |
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551 * |
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552 * @return true if so |
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553 */ |
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554 @Override |
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555 public boolean supportsColumnAliasing() { |
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556 return true; |
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557 } |
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558 |
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559 /** |
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560 * Are concatenations between NULL and non-NULL values NULL? |
|
231
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561 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
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562 * |
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563 * @return true if so |
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|
564 */ |
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|
565 @Override |
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|
566 public boolean nullPlusNonNullIsNull() { |
|
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567 return true; |
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568 } |
|
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|
569 |
|
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|
570 /** |
|
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|
571 * Retrieves whether this database supports the JDBC scalar function |
|
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572 * CONVERT for the conversion of one JDBC type to another. |
|
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573 * The JDBC types are the generic SQL data types defined in java.sql.Types. |
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574 * |
|
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|
575 * @return true if so; false otherwise |
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|
576 */ |
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|
577 @Override |
|
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|
578 public boolean supportsConvert() { |
|
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579 return true; |
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580 } |
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581 |
|
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|
582 /** |
|
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|
583 * Retrieves whether this database supports the JDBC scalar function |
|
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|
584 * CONVERT for conversions between the JDBC types fromType and toType. |
|
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585 * The JDBC types are the generic SQL data types defined in java.sql.Types. |
|
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|
586 * |
|
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|
587 * @return true if so; false otherwise |
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|
588 */ |
|
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|
589 @Override |
|
295
003ae6d881db
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|
590 public boolean supportsConvert(final int fromType, final int toType) { |
|
0
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|
591 switch (fromType) { |
|
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|
592 case Types.BOOLEAN: |
|
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|
593 switch (toType) { |
|
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|
594 case Types.BOOLEAN: |
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|
595 /* case Types.BIT: is not supported by MonetDB and will fail */ |
|
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|
596 case Types.TINYINT: |
|
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|
597 case Types.SMALLINT: |
|
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|
598 case Types.INTEGER: |
|
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|
599 case Types.BIGINT: |
|
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|
600 /* conversion to FLOAT, REAL, DOUBLE, NUMERIC and DECIMAL is not supported by MonetDB */ |
|
a5a898f6886c
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changeset
|
601 case Types.CHAR: |
|
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|
602 case Types.VARCHAR: |
|
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|
603 /* case Types.LONGVARCHAR: is not supported by MonetDB and will fail */ |
|
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|
604 case Types.CLOB: |
|
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|
605 return true; |
|
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changeset
|
606 } |
|
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|
607 // conversion to all other types is not supported |
|
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|
608 return false; |
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609 /* case Types.BIT: is not supported by MonetDB and will fail */ |
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610 /* case Types.BINARY: is not supported by MonetDB and will fail */ |
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611 /* case Types.VARBINARY: is not supported by MonetDB and will fail */ |
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612 /* case Types.LONGVARBINARY: is not supported by MonetDB and will fail */ |
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|
613 case Types.BLOB: |
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|
614 switch (toType) { |
|
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|
615 /* case Types.BINARY: is not supported by MonetDB and will fail */ |
|
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616 /* case Types.VARBINARY: is not supported by MonetDB and will fail */ |
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|
617 /* case Types.LONGVARBINARY: is not supported by MonetDB and will fail */ |
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|
618 case Types.BLOB: |
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|
619 case Types.VARCHAR: |
|
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|
620 /* case Types.LONGVARCHAR: is not supported by MonetDB and will fail */ |
|
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|
621 case Types.CLOB: |
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|
622 return true; |
|
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|
623 } |
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|
624 // conversion to all other types is not supported |
|
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|
625 return false; |
|
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|
626 case Types.TINYINT: |
|
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parents:
diff
changeset
|
627 case Types.SMALLINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
628 case Types.INTEGER: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
629 case Types.BIGINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
630 case Types.FLOAT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
631 case Types.REAL: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
632 case Types.DOUBLE: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
633 case Types.NUMERIC: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
634 case Types.DECIMAL: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
635 switch (toType) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
636 case Types.BOOLEAN: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
637 /* case Types.BIT: is not supported by MonetDB and will fail */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
638 case Types.TINYINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
639 case Types.SMALLINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
640 case Types.INTEGER: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
641 case Types.BIGINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
642 case Types.FLOAT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
643 case Types.REAL: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
644 case Types.DOUBLE: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
645 case Types.NUMERIC: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
646 case Types.DECIMAL: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
647 case Types.CHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
648 case Types.VARCHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
649 /* case Types.LONGVARCHAR: is not supported by MonetDB and will fail */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
650 case Types.CLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
651 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
652 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
653 // conversion to all other types is not supported |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
654 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
655 case Types.CHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
656 case Types.VARCHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
657 /* case Types.LONGVARCHAR: is not supported by MonetDB and will fail */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
658 case Types.CLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
659 switch (toType) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
660 case Types.BOOLEAN: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
661 /* case Types.BIT: is not supported by MonetDB and will fail */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
662 case Types.TINYINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
663 case Types.SMALLINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
664 case Types.INTEGER: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
665 case Types.BIGINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
666 case Types.FLOAT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
667 case Types.REAL: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
668 case Types.DOUBLE: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
669 case Types.NUMERIC: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
670 case Types.DECIMAL: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
671 case Types.CHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
672 case Types.VARCHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
673 /* case Types.LONGVARCHAR: is not supported by MonetDB and will fail */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
674 case Types.CLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
675 case Types.BLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
676 case Types.DATE: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
677 case Types.TIME: |
|
380
bf521f343172
Added support for new Java 8 java.sql.Types: Types.TIME_WITH_TIMEZONE and Types.TIMESTAMP_WITH_TIMEZONE.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
379
diff
changeset
|
678 case Types.TIME_WITH_TIMEZONE: |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
679 case Types.TIMESTAMP: |
|
380
bf521f343172
Added support for new Java 8 java.sql.Types: Types.TIME_WITH_TIMEZONE and Types.TIMESTAMP_WITH_TIMEZONE.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
379
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|
680 case Types.TIMESTAMP_WITH_TIMEZONE: |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
681 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
682 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
683 // conversion to all other types is not supported |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
684 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
685 case Types.DATE: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
686 switch (toType) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
687 case Types.CHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
688 case Types.VARCHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
689 /* case Types.LONGVARCHAR: is not supported by MonetDB and will fail */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
690 case Types.CLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
691 case Types.DATE: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
692 case Types.TIMESTAMP: |
|
380
bf521f343172
Added support for new Java 8 java.sql.Types: Types.TIME_WITH_TIMEZONE and Types.TIMESTAMP_WITH_TIMEZONE.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
379
diff
changeset
|
693 case Types.TIMESTAMP_WITH_TIMEZONE: |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
694 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
695 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
696 // conversion to all other types is not supported |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
697 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
698 case Types.TIME: |
|
380
bf521f343172
Added support for new Java 8 java.sql.Types: Types.TIME_WITH_TIMEZONE and Types.TIMESTAMP_WITH_TIMEZONE.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
379
diff
changeset
|
699 case Types.TIME_WITH_TIMEZONE: |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
700 switch (toType) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
701 case Types.CHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
702 case Types.VARCHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
703 /* case Types.LONGVARCHAR: is not supported by MonetDB and will fail */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
704 case Types.CLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
705 case Types.TIME: |
|
380
bf521f343172
Added support for new Java 8 java.sql.Types: Types.TIME_WITH_TIMEZONE and Types.TIMESTAMP_WITH_TIMEZONE.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
379
diff
changeset
|
706 case Types.TIME_WITH_TIMEZONE: |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
707 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
708 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
709 // conversion to all other types is not supported |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
710 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
711 case Types.TIMESTAMP: |
|
380
bf521f343172
Added support for new Java 8 java.sql.Types: Types.TIME_WITH_TIMEZONE and Types.TIMESTAMP_WITH_TIMEZONE.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
379
diff
changeset
|
712 case Types.TIMESTAMP_WITH_TIMEZONE: |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
713 switch (toType) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
714 case Types.CHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
715 case Types.VARCHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
716 /* case Types.LONGVARCHAR: is not supported by MonetDB and will fail */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
717 case Types.CLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
718 case Types.DATE: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
719 case Types.TIME: |
|
380
bf521f343172
Added support for new Java 8 java.sql.Types: Types.TIME_WITH_TIMEZONE and Types.TIMESTAMP_WITH_TIMEZONE.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
379
diff
changeset
|
720 case Types.TIME_WITH_TIMEZONE: |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
721 case Types.TIMESTAMP: |
|
380
bf521f343172
Added support for new Java 8 java.sql.Types: Types.TIME_WITH_TIMEZONE and Types.TIMESTAMP_WITH_TIMEZONE.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
379
diff
changeset
|
722 case Types.TIMESTAMP_WITH_TIMEZONE: |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
723 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
724 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
725 // conversion to all other types is not supported |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
726 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
727 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
728 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
729 // conversion from all other JDBC SQL types are not supported |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
730 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
731 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
732 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
733 /** |
|
213
115f6351bf4b
Update some documentation text
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
200
diff
changeset
|
734 * Are table correlation names supported? |
|
231
68b9452f1215
Fix warnings:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
222
diff
changeset
|
735 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
0
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|
736 * |
|
a5a898f6886c
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|
737 * @return true if so |
|
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738 */ |
|
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|
739 @Override |
|
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|
740 public boolean supportsTableCorrelationNames() { |
|
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|
741 return true; |
|
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|
742 } |
|
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743 |
|
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|
744 /** |
|
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|
745 * If table correlation names are supported, are they restricted to |
|
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|
746 * be different from the names of the tables? |
|
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|
747 * |
|
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748 * @return true if so; false otherwise |
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|
749 */ |
|
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|
750 @Override |
|
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|
751 public boolean supportsDifferentTableCorrelationNames() { |
|
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|
752 return false; |
|
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|
753 } |
|
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754 |
|
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|
755 /** |
|
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changeset
|
756 * Are expressions in "ORDER BY" lists supported? |
|
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|
757 * e.g. select * from t order by a + b; |
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758 * |
|
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|
759 * MonetDB supports this, try: |
|
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|
760 * select (radix * 1000) + digits as comp, * from types order by (radix * 1000) + digits, -id; |
|
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761 * |
|
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|
762 * @return true if so |
|
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|
763 */ |
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|
764 @Override |
|
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|
765 public boolean supportsExpressionsInOrderBy() { |
|
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|
766 return true; |
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|
767 } |
|
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768 |
|
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|
769 /** |
|
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|
770 * Can an "ORDER BY" clause use columns not in the SELECT? |
|
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|
771 * MonetDB differs from SQL03 => true |
|
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|
772 * |
|
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|
773 * @return true if so |
|
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|
774 */ |
|
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|
775 @Override |
|
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|
776 public boolean supportsOrderByUnrelated() { |
|
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|
777 return true; |
|
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|
778 } |
|
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|
779 |
|
a5a898f6886c
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|
780 /** |
|
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|
781 * Is some form of "GROUP BY" clause supported? |
|
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|
782 * |
|
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|
783 * @return true since MonetDB supports it |
|
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|
784 */ |
|
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|
785 @Override |
|
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changeset
|
786 public boolean supportsGroupBy() { |
|
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|
787 return true; |
|
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|
788 } |
|
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|
789 |
|
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|
790 /** |
|
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|
791 * Can a "GROUP BY" clause use columns not in the SELECT? |
|
a5a898f6886c
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|
792 * |
|
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|
793 * @return true since that also is supported |
|
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|
794 */ |
|
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|
795 @Override |
|
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|
796 public boolean supportsGroupByUnrelated() { |
|
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changeset
|
797 return true; |
|
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|
798 } |
|
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|
799 |
|
a5a898f6886c
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|
800 /** |
|
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parents:
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changeset
|
801 * Can a "GROUP BY" clause add columns not in the SELECT provided |
|
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changeset
|
802 * it specifies all the columns in the SELECT? |
|
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|
803 * |
|
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changeset
|
804 * (MonetDB already supports the more difficult supportsGroupByUnrelated(), |
|
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|
805 * so this is a piece of cake) |
|
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|
806 * |
|
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parents:
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changeset
|
807 * @return true if so |
|
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parents:
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|
808 */ |
|
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changeset
|
809 @Override |
|
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changeset
|
810 public boolean supportsGroupByBeyondSelect() { |
|
a5a898f6886c
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changeset
|
811 return true; |
|
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changeset
|
812 } |
|
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parents:
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changeset
|
813 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
814 /** |
|
213
115f6351bf4b
Update some documentation text
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diff
changeset
|
815 * Is the escape character in "LIKE" clauses supported? |
|
231
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|
816 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
0
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changeset
|
817 * |
|
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|
818 * @return true if so |
|
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|
819 */ |
|
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parents:
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changeset
|
820 @Override |
|
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changeset
|
821 public boolean supportsLikeEscapeClause() { |
|
a5a898f6886c
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changeset
|
822 return true; |
|
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|
823 } |
|
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changeset
|
824 |
|
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|
825 /** |
|
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|
826 * Are multiple ResultSets from a single execute supported? |
|
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changeset
|
827 * |
|
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|
828 * @return true if so |
|
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|
829 */ |
|
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changeset
|
830 @Override |
|
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changeset
|
831 public boolean supportsMultipleResultSets() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
832 return true; |
|
a5a898f6886c
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|
833 } |
|
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|
834 |
|
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changeset
|
835 /** |
|
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changeset
|
836 * Can we have multiple transactions open at once (on different |
|
a5a898f6886c
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changeset
|
837 * connections?) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
838 * This is the main idea behind the Connection, is it? |
|
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parents:
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changeset
|
839 * |
|
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changeset
|
840 * @return true if so |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
841 */ |
|
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changeset
|
842 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
843 public boolean supportsMultipleTransactions() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
844 return true; |
|
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
845 } |
|
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parents:
diff
changeset
|
846 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
847 /** |
|
213
115f6351bf4b
Update some documentation text
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
200
diff
changeset
|
848 * Can columns be defined as non-nullable. |
|
231
68b9452f1215
Fix warnings:
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diff
changeset
|
849 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
850 * |
|
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|
851 * @return true if so |
|
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|
852 */ |
|
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parents:
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changeset
|
853 @Override |
|
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changeset
|
854 public boolean supportsNonNullableColumns() { |
|
a5a898f6886c
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|
855 return true; |
|
a5a898f6886c
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|
856 } |
|
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parents:
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changeset
|
857 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
858 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
859 * Does this driver support the minimum ODBC SQL grammar. This |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
860 * grammar is defined at: |
|
a5a898f6886c
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|
861 * |
|
a5a898f6886c
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parents:
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|
862 * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/odbc/htm/odappcpr.asp |
|
a5a898f6886c
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|
863 * From this description, we seem to support the ODBC minimal (Level 0) grammar. |
|
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|
864 * |
|
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|
865 * @return true if so |
|
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|
866 */ |
|
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|
867 @Override |
|
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|
868 public boolean supportsMinimumSQLGrammar() { |
|
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changeset
|
869 return true; |
|
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|
870 } |
|
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|
871 |
|
a5a898f6886c
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|
872 /** |
|
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|
873 * Does this driver support the Core ODBC SQL grammar. We need |
|
a5a898f6886c
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|
874 * SQL-92 conformance for this. |
|
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|
875 * |
|
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|
876 * @return true if so |
|
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|
877 */ |
|
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|
878 @Override |
|
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|
879 public boolean supportsCoreSQLGrammar() { |
|
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|
880 return true; |
|
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|
881 } |
|
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|
882 |
|
a5a898f6886c
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|
883 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
884 * Does this driver support the Extended (Level 2) ODBC SQL |
|
a5a898f6886c
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parents:
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changeset
|
885 * grammar. We don't conform to the Core (Level 1), so we can't |
|
a5a898f6886c
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|
886 * conform to the Extended SQL Grammar. |
|
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|
887 * |
|
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|
888 * @return true if so |
|
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parents:
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changeset
|
889 */ |
|
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changeset
|
890 @Override |
|
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|
891 public boolean supportsExtendedSQLGrammar() { |
|
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|
892 return false; |
|
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|
893 } |
|
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|
894 |
|
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changeset
|
895 /** |
|
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|
896 * Does this driver support the ANSI-92 entry level SQL grammar? |
|
231
68b9452f1215
Fix warnings:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
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|
897 * All JDBC Compliant <sup>TM</sup> drivers must return true. |
|
0
a5a898f6886c
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|
898 * |
|
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|
899 * @return true if so |
|
a5a898f6886c
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|
900 */ |
|
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changeset
|
901 @Override |
|
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|
902 public boolean supportsANSI92EntryLevelSQL() { |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
903 return true; |
|
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changeset
|
904 } |
|
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|
905 |
|
a5a898f6886c
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changeset
|
906 /** |
|
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changeset
|
907 * Does this driver support the ANSI-92 intermediate level SQL |
|
a5a898f6886c
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|
908 * grammar? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
909 * probably not |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
910 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
911 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
912 */ |
|
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parents:
diff
changeset
|
913 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
914 public boolean supportsANSI92IntermediateSQL() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
915 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
916 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
917 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
918 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
919 * Does this driver support the ANSI-92 full SQL grammar? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
920 * Would be good if it was like that |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
921 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
922 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
923 */ |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
924 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
925 public boolean supportsANSI92FullSQL() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
926 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
927 } |
|
a5a898f6886c
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parents:
diff
changeset
|
928 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
929 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
930 * Is the SQL Integrity Enhancement Facility supported? |
|
267
43ea6c50483e
Correct return value for supportsIntegrityEnhancementFacility()
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
265
diff
changeset
|
931 * |
|
43ea6c50483e
Correct return value for supportsIntegrityEnhancementFacility()
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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265
diff
changeset
|
932 * The SQL Integrity Enhancement facility offers additional tools for referential integrity, |
|
43ea6c50483e
Correct return value for supportsIntegrityEnhancementFacility()
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
265
diff
changeset
|
933 * CHECK constraint clauses, and DEFAULT clauses. Referential integrity allows specification of |
|
43ea6c50483e
Correct return value for supportsIntegrityEnhancementFacility()
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
265
diff
changeset
|
934 * primary and foreign keys with the requirement that no foreign key row may be inserted or |
|
43ea6c50483e
Correct return value for supportsIntegrityEnhancementFacility()
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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265
diff
changeset
|
935 * updated unless a matching primary key row exists. Check clauses allow specification of |
|
43ea6c50483e
Correct return value for supportsIntegrityEnhancementFacility()
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
265
diff
changeset
|
936 * inter-column constraints to be maintained by the database system. |
|
302
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
937 * Default clauses provide optional default values for missing data. |
|
267
43ea6c50483e
Correct return value for supportsIntegrityEnhancementFacility()
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parents:
265
diff
changeset
|
938 * |
|
0
a5a898f6886c
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parents:
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changeset
|
939 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
940 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
941 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
942 public boolean supportsIntegrityEnhancementFacility() { |
|
913
a8ca336e7f1a
supportsIntegrityEnhancementFacility() should return true when connected to Aug2024 (11.51) or higher servers.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
907
diff
changeset
|
943 // Starting with release Aug2024 (11.51.1) MonetDB now also supports CHECK constraints (ref issue 3335, 3568). |
|
921
41d0cce6d2df
Use new con.checkMinimumDBVersion() method.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
913
diff
changeset
|
944 return con.checkMinimumDBVersion(11, 51); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
945 } |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
946 |
|
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parents:
diff
changeset
|
947 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
948 * Is some form of outer join supported? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
949 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
950 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
951 */ |
|
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
952 @Override |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
953 public boolean supportsOuterJoins(){ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
954 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
955 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
956 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
957 /** |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
958 * Are full nested outer joins supported? |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
959 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
960 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
961 */ |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
962 @Override |
|
a5a898f6886c
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|
963 public boolean supportsFullOuterJoins() { |
|
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|
964 return true; |
|
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|
965 } |
|
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|
966 |
|
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|
967 /** |
|
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|
968 * Is there limited support for outer joins? |
|
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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 supportsLimitedOuterJoins() { |
|
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|
974 return false; |
|
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|
975 } |
|
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976 |
|
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|
977 /** |
|
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|
978 * What is the database vendor's preferred term for "schema"? |
|
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|
979 * MonetDB uses the term "schema". |
|
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980 * |
|
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|
981 * @return the vendor term |
|
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|
982 */ |
|
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|
983 @Override |
|
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|
984 public String getSchemaTerm() { |
|
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|
985 return "schema"; |
|
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|
986 } |
|
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|
987 |
|
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|
988 /** |
|
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|
989 * What is the database vendor's preferred term for "procedure"? |
|
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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 getProcedureTerm() { |
|
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|
995 return "procedure"; |
|
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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 "catalog"? |
|
356
eabbc5bf7cdb
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diff
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|
1000 * |
|
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|
1001 * MonetDB doesn't support the SQL catalog naming concept. |
|
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|
1002 * Only SQL schemas are supported. |
|
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|
1003 * We also do not allow the name of a database to be included in |
|
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|
1004 * a fully qualified name, so we shouldn't return "database" here. |
|
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Corrected the return value of getCatalogTerm();
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|
1005 * A database is a different concept than an SQL catalog. |
|
0
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|
1006 * |
|
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|
1007 * @return the vendor term |
|
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|
1008 */ |
|
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|
1009 @Override |
|
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|
1010 public String getCatalogTerm() { |
|
356
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|
1011 // MonetDB does NOT support catalogs, so also no catalog term |
|
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|
1012 // Some generic SQL clients (e.g. DbVisualiser) use this string in their GUI |
|
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|
1013 // To avoid NPE, just return an abrev string: "cat" (we like cats) |
|
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|
1014 return "cat"; |
|
0
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1015 } |
|
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|
1016 |
|
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|
1017 /** |
|
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|
1018 * Does a catalog appear at the start of a qualified table name? |
|
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|
1019 * (Otherwise it appears at the end). |
|
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|
1020 * Currently there is no catalog support at all in MonetDB |
|
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|
1021 * |
|
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|
1022 * @return true if so |
|
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|
1023 */ |
|
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|
1024 @Override |
|
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|
1025 public boolean isCatalogAtStart() { |
|
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|
1026 // return true here; we return false for every other catalog function |
|
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|
1027 // so it won't matter what we return here |
|
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|
1028 return true; |
|
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|
1029 } |
|
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|
1030 |
|
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|
1031 /** |
|
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|
1032 * What is the Catalog separator. |
|
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|
1033 * |
|
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|
1034 * @return the catalog separator string |
|
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|
1035 */ |
|
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|
1036 @Override |
|
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|
1037 public String getCatalogSeparator() { |
|
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|
1038 // MonetDB does NOT support catalogs, so also no catalog separator |
|
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|
1039 return null; |
|
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|
1040 } |
|
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|
1041 |
|
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|
1042 /** |
|
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|
1043 * Can a schema name be used in a data manipulation statement? |
|
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|
1044 * |
|
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|
1045 * @return true if so |
|
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|
1046 */ |
|
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changeset
|
1047 @Override |
|
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changeset
|
1048 public boolean supportsSchemasInDataManipulation() { |
|
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|
1049 return true; |
|
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|
1050 } |
|
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|
1051 |
|
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changeset
|
1052 /** |
|
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|
1053 * Can a schema name be used in a procedure call statement? |
|
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|
1054 * Ohw probably, but I don't know of procedures in MonetDB |
|
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|
1055 * |
|
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|
1056 * @return true if so |
|
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|
1057 */ |
|
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changeset
|
1058 @Override |
|
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changeset
|
1059 public boolean supportsSchemasInProcedureCalls() { |
|
a5a898f6886c
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changeset
|
1060 return true; |
|
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|
1061 } |
|
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|
1062 |
|
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|
1063 /** |
|
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changeset
|
1064 * Can a schema be used in a table definition statement? |
|
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|
1065 * |
|
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changeset
|
1066 * @return true if so |
|
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|
1067 */ |
|
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changeset
|
1068 @Override |
|
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diff
changeset
|
1069 public boolean supportsSchemasInTableDefinitions() { |
|
a5a898f6886c
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diff
changeset
|
1070 return true; |
|
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changeset
|
1071 } |
|
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changeset
|
1072 |
|
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changeset
|
1073 /** |
|
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diff
changeset
|
1074 * Can a schema name be used in an index definition statement? |
|
a5a898f6886c
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parents:
diff
changeset
|
1075 * |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
1076 * @return true if so |
|
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Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
1077 */ |
|
a5a898f6886c
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changeset
|
1078 @Override |
|
a5a898f6886c
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changeset
|
1079 public boolean supportsSchemasInIndexDefinitions() { |
|
294
894abb249de1
Corrected 3 MonetDatabaseMetaData methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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286
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|
1080 // 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>
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286
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|
1081 // only: create index tblidx on sch.tbl(col); |
|
894abb249de1
Corrected 3 MonetDatabaseMetaData methods
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286
diff
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|
1082 return false; |
|
0
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Sjoerd Mullender <sjoerd@acm.org>
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|
1083 } |
|
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|
1084 |
|
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|
1085 /** |
|
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|
1086 * Can a schema name be used in a privilege definition statement? |
|
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|
1087 * |
|
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|
1088 * @return true if so |
|
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|
1089 */ |
|
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changeset
|
1090 @Override |
|
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changeset
|
1091 public boolean supportsSchemasInPrivilegeDefinitions() { |
|
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changeset
|
1092 return true; |
|
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|
1093 } |
|
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Sjoerd Mullender <sjoerd@acm.org>
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|
1094 |
|
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changeset
|
1095 /** |
|
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changeset
|
1096 * Can a catalog name be used in a data manipulation statement? |
|
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|
1097 * |
|
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|
1098 * @return true if so |
|
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|
1099 */ |
|
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|
1100 @Override |
|
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changeset
|
1101 public boolean supportsCatalogsInDataManipulation() { |
|
a5a898f6886c
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changeset
|
1102 return false; |
|
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|
1103 } |
|
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|
1104 |
|
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|
1105 /** |
|
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changeset
|
1106 * Can a catalog name be used in a procedure call statement? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1107 * |
|
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parents:
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changeset
|
1108 * @return true if so |
|
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Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
1109 */ |
|
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Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
1110 @Override |
|
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changeset
|
1111 public boolean supportsCatalogsInProcedureCalls() { |
|
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changeset
|
1112 return false; |
|
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changeset
|
1113 } |
|
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|
1114 |
|
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changeset
|
1115 /** |
|
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changeset
|
1116 * Can a catalog name be used in a table definition statement? |
|
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parents:
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changeset
|
1117 * |
|
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changeset
|
1118 * @return true if so |
|
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changeset
|
1119 */ |
|
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changeset
|
1120 @Override |
|
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|
1121 public boolean supportsCatalogsInTableDefinitions() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
1122 return false; |
|
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|
1123 } |
|
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changeset
|
1124 |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
1125 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
1126 * Can a catalog name be used in an index definition? |
|
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
1127 * |
|
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|
1128 * @return true if so |
|
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changeset
|
1129 */ |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
1130 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1131 public boolean supportsCatalogsInIndexDefinitions() { |
|
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>
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changeset
|
1133 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1134 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1135 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
1136 * Can a catalog name be used in a privilege definition statement? |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1137 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1138 * @return true if so |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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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 supportsCatalogsInPrivilegeDefinitions() { |
|
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:
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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 * MonetDB doesn't support positioned DELETEs I guess |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1147 * |
|
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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 supportsPositionedDelete() { |
|
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 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1156 * Is positioned UPDATE supported? (same as above) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1157 * |
|
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Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
1158 * @return true if so |
|
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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>
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diff
changeset
|
1161 public boolean supportsPositionedUpdate() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1162 return false; |
|
a5a898f6886c
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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 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1166 * Is SELECT FOR UPDATE supported? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1167 * My test resulted in a negative answer |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1168 * |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1169 * @return true if so; false otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1170 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1171 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1172 public boolean supportsSelectForUpdate(){ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1173 return false; |
|
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
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1176 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
1177 * Are stored procedure calls using the stored procedure escape |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1178 * syntax supported? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1179 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1180 * @return true if so; false otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1181 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1182 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1183 public boolean supportsStoredProcedures() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1184 return true; |
|
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 /** |
|
213
115f6351bf4b
Update some documentation text
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
200
diff
changeset
|
1188 * Are subqueries in comparison expressions supported? |
|
231
68b9452f1215
Fix warnings:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
222
diff
changeset
|
1189 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
213
115f6351bf4b
Update some documentation text
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
200
diff
changeset
|
1190 * MonetDB also supports this |
|
0
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1191 * |
|
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1192 * @return true if so; false otherwise |
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1193 */ |
|
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|
1194 @Override |
|
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|
1195 public boolean supportsSubqueriesInComparisons() { |
|
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1196 return true; |
|
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|
1197 } |
|
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|
1198 |
|
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|
1199 /** |
|
213
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1200 * Are subqueries in 'exists' expressions supported? |
|
231
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|
1201 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
0
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|
1202 * |
|
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|
1203 * @return true if so; false otherwise |
|
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|
1204 */ |
|
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|
1205 @Override |
|
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|
1206 public boolean supportsSubqueriesInExists() { |
|
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|
1207 return true; |
|
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|
1208 } |
|
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|
1209 |
|
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|
1210 /** |
|
213
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|
1211 * Are subqueries in 'in' statements supported? |
|
231
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|
1212 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
0
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|
1213 * |
|
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|
1214 * @return true if so; false otherwise |
|
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|
1215 */ |
|
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|
1216 @Override |
|
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|
1217 public boolean supportsSubqueriesInIns() { |
|
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|
1218 return true; |
|
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|
1219 } |
|
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|
1220 |
|
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|
1221 /** |
|
213
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|
1222 * Are subqueries in quantified expressions supported? |
|
231
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|
1223 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
0
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|
1224 * |
|
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|
1225 * (No idea what this is, but we support a good deal of |
|
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|
1226 * subquerying.) |
|
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|
1227 * |
|
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|
1228 * @return true if so; false otherwise |
|
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|
1229 */ |
|
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|
1230 @Override |
|
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|
1231 public boolean supportsSubqueriesInQuantifieds() { |
|
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|
1232 return true; |
|
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|
1233 } |
|
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|
1234 |
|
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|
1235 /** |
|
213
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|
1236 * Are correlated subqueries supported? |
|
231
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|
1237 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
0
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|
1238 * |
|
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|
1239 * (a.k.a. subselect in from?) |
|
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|
1240 * |
|
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|
1241 * @return true if so; false otherwise |
|
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|
1242 */ |
|
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|
1243 @Override |
|
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|
1244 public boolean supportsCorrelatedSubqueries() { |
|
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|
1245 return true; |
|
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|
1246 } |
|
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|
1247 |
|
a5a898f6886c
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|
1248 /** |
|
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changeset
|
1249 * Is SQL UNION supported? |
|
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|
1250 * since 2004-03-20 |
|
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|
1251 * |
|
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|
1252 * @return true if so |
|
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|
1253 */ |
|
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|
1254 @Override |
|
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|
1255 public boolean supportsUnion() { |
|
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|
1256 return true; |
|
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|
1257 } |
|
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|
1258 |
|
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changeset
|
1259 /** |
|
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|
1260 * Is SQL UNION ALL supported? |
|
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|
1261 * since 2004-03-20 |
|
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|
1262 * |
|
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|
1263 * @return true if so |
|
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|
1264 */ |
|
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|
1265 @Override |
|
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|
1266 public boolean supportsUnionAll() { |
|
a5a898f6886c
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|
1267 return true; |
|
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|
1268 } |
|
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|
1269 |
|
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|
1270 /** |
|
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|
1271 * ResultSet objects (cursors) are not closed upon explicit or |
|
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|
1272 * implicit commit. |
|
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|
1273 * |
|
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|
1274 * @return true if so |
|
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|
1275 */ |
|
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|
1276 @Override |
|
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|
1277 public boolean supportsOpenCursorsAcrossCommit() { |
|
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|
1278 return true; |
|
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|
1279 } |
|
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|
1280 |
|
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|
1281 /** |
|
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|
1282 * Same as above |
|
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|
1283 * |
|
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|
1284 * @return true if so |
|
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|
1285 */ |
|
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changeset
|
1286 @Override |
|
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|
1287 public boolean supportsOpenCursorsAcrossRollback() { |
|
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changeset
|
1288 return true; |
|
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|
1289 } |
|
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|
1290 |
|
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changeset
|
1291 /** |
|
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|
1292 * Can statements remain open across commits? They may, but |
| 943 | 1293 * this driver cannot guarantee that. In further reflection. |
|
0
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|
1294 * we are taking a Statement object here, so the answer is |
|
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|
1295 * yes, since the Statement is only a vehicle to execute some SQL |
|
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changeset
|
1296 * |
|
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changeset
|
1297 * @return true if they always remain open; false otherwise |
|
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|
1298 */ |
|
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changeset
|
1299 @Override |
|
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changeset
|
1300 public boolean supportsOpenStatementsAcrossCommit() { |
|
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|
1301 return true; |
|
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changeset
|
1302 } |
|
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|
1303 |
|
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changeset
|
1304 /** |
|
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changeset
|
1305 * Can statements remain open across rollbacks? They may, but |
| 943 | 1306 * this driver cannot guarantee that. In further contemplation, |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
1307 * 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:
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|
1308 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
1309 * @return true if they always remain open; false otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
1310 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
1311 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1312 public boolean supportsOpenStatementsAcrossRollback() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1313 return true; |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1314 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1315 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1316 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
1317 * 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
|
1318 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
1319 * @return the max literal length |
|
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1320 */ |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1321 @Override |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
1322 public int getMaxBinaryLiteralLength() { |
|
817
93b256bf29a7
Fix arithmetic overflow
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents:
781
diff
changeset
|
1323 return 0x7ffffffe; // MonetDB supports null terminated strings of max 2GB, see function: int UTF8_strlen() |
|
0
a5a898f6886c
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parents:
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|
1324 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
1325 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
1326 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1327 * 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
|
1328 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
1329 * @return the max literal length |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
1330 */ |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
1331 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
1332 public int getMaxCharLiteralLength() { |
|
817
93b256bf29a7
Fix arithmetic overflow
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents:
781
diff
changeset
|
1333 return 0x7ffffffe; // MonetDB supports null terminated strings of max 2GB, see function: int UTF8_strlen() |
|
0
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Sjoerd Mullender <sjoerd@acm.org>
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|
1334 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
1335 |
|
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
1336 /** |
| 943 | 1337 * What's the limit on column name length. |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
1338 * 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:
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|
1339 * |
|
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changeset
|
1340 * @return the maximum column name length |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
1341 */ |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
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|
1342 @Override |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
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|
1343 public int getMaxColumnNameLength() { |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
changeset
|
1344 return 1024; // In MonetDB the max length of column sys._columns.name is defined as 1024 |
|
0
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
1345 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
1346 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
1347 /** |
|
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changeset
|
1348 * 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:
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|
1349 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
1350 * @return the max number of columns |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1351 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1352 @Override |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1353 public int getMaxColumnsInGroupBy() { |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
changeset
|
1354 return 0; // no specific limit known |
|
0
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1355 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1356 |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
1357 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
1358 * What's the maximum number of columns allowed in an index? |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
1359 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
1360 * @return max number of columns |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1361 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1362 @Override |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1363 public int getMaxColumnsInIndex() { |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
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diff
changeset
|
1364 return 0; // no specific limit known |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1365 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1366 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1367 /** |
|
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1368 * 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:
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changeset
|
1369 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1370 * @return the max columns |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1371 */ |
|
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parents:
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changeset
|
1372 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1373 public int getMaxColumnsInOrderBy() { |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
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diff
changeset
|
1374 return 0; // no specific limit known |
|
0
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1375 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1376 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1377 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1378 * 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
|
1379 * |
|
a5a898f6886c
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parents:
diff
changeset
|
1380 * @return the max columns |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1381 */ |
|
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1382 @Override |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1383 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
|
1384 return 0; // no specific limit known |
|
0
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
1385 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
1386 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1387 /** |
|
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diff
changeset
|
1388 * 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
|
1389 * |
|
6e48d0fae766
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1390 * The theoretical max value of int column sys._columns.id is 2^31 -1 |
|
6e48d0fae766
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1391 * 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:
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diff
changeset
|
1392 * For one table we should reduce it to a more practical soft limit of say 100 thousand |
|
0
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parents:
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changeset
|
1393 * |
|
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|
1394 * @return the max columns |
|
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|
1395 */ |
|
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parents:
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changeset
|
1396 @Override |
|
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parents:
diff
changeset
|
1397 public int getMaxColumnsInTable() { |
|
15
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
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diff
changeset
|
1398 return 100*1000; // soft limit it to 100 thousand |
|
0
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changeset
|
1399 } |
|
a5a898f6886c
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changeset
|
1400 |
|
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diff
changeset
|
1401 /** |
|
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
|
1402 * Retrieves the maximum number of concurrent connections to this database that are possible. |
|
0
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|
1403 * |
|
332
e8962bdaa206
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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331
diff
changeset
|
1404 * @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
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changeset
|
1405 */ |
|
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diff
changeset
|
1406 @Override |
|
7
b3ca1157be73
Improve DatabaseMetaData.getDatabaseProductVersion() to never return a null String.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
0
diff
changeset
|
1407 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>
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331
diff
changeset
|
1408 return con.getMaxConnections(); |
|
0
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changeset
|
1409 } |
|
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changeset
|
1410 |
|
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changeset
|
1411 /** |
|
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diff
changeset
|
1412 * What is the maximum cursor name length |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1413 * Actually we do not do named cursors, so I keep the value small as |
|
a5a898f6886c
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diff
changeset
|
1414 * a precaution for maybe the future. |
|
a5a898f6886c
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diff
changeset
|
1415 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1416 * @return max cursor name length in bytes |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1417 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1418 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1419 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
|
1420 return 0; // no specific limit known |
|
0
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 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1423 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1424 * 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
|
1425 * of the parts of the index. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1426 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1427 * @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
|
1428 * 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
|
1429 * 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
|
1430 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1431 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1432 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
|
1433 return 0; // no specific limit known |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1434 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1435 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1436 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1437 * 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
|
1438 * allows in a schema name. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1439 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1440 * @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
|
1441 * limit is unknown. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1442 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1443 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1444 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
|
1445 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
|
1446 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1447 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1448 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1449 * 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
|
1450 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1451 * @return the max name length in bytes |
|
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 getMaxProcedureNameLength() { |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1455 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
|
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 catalog |
|
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 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
|
1462 * 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
|
1463 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1464 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1465 public int getMaxCatalogNameLength() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1466 return 0; // MonetDB does not support catalog names |
|
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 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1470 * 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
|
1471 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1472 * @return max row size in bytes |
|
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 getMaxRowSize() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1476 return 0; // very long I hope... |
|
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 /** |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1480 * 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
|
1481 * blobs? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1482 * Yes I thought so... |
|
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 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1485 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1486 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1487 public boolean doesMaxRowSizeIncludeBlobs() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1488 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1489 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1490 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1491 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1492 * 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
|
1493 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1494 * @return max length in bytes |
|
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 int getMaxStatementLength() { |
|
817
93b256bf29a7
Fix arithmetic overflow
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents:
781
diff
changeset
|
1498 return 0x7ffffffe; // MonetDB supports null terminated strings of max 2GB, see function: int UTF8_strlen() |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
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 * 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
|
1503 * this database? Basically, since each Statement downloads |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1504 * 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
|
1505 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1506 * @return the maximum |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1507 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1508 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1509 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
|
1510 return 0; // no specific limit known |
|
0
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 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1513 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1514 * 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
|
1515 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1516 * @return max name length in bytes |
|
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 getMaxTableNameLength() { |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1520 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
|
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 number of tables that can be specified |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1525 * in a SELECT? |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
1526 * |
|
a5a898f6886c
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parents:
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changeset
|
1527 * @return the maximum |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1528 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1529 @Override |
|
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1530 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
|
1531 return 0; // no specific limit known |
|
0
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
1532 } |
|
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
1533 |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
1534 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1535 * What is the maximum length of a user name |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
1536 * |
|
a5a898f6886c
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parents:
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|
1537 * @return the max name length in bytes |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
1538 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
1539 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1540 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
|
1541 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.
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parents:
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changeset
|
1542 } |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
1543 |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
1544 /** |
|
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parents:
diff
changeset
|
1545 * What is the database's default transaction isolation level? |
| 943 | 1546 * We only see committed data, nonrepeatable reads and phantom |
|
0
a5a898f6886c
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|
1547 * reads can occur. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
1548 * |
|
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parents:
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changeset
|
1549 * @return the default isolation level |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
1550 * @see Connection |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
1551 */ |
|
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parents:
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changeset
|
1552 @Override |
|
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|
1553 public int getDefaultTransactionIsolation() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
1554 return Connection.TRANSACTION_SERIALIZABLE; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
1555 } |
|
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changeset
|
1556 |
|
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1557 /** |
|
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|
1558 * Are transactions supported? If not, commit and rollback are noops |
|
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Sjoerd Mullender <sjoerd@acm.org>
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|
1559 * and the isolation level is TRANSACTION_NONE. We do support |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
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|
1560 * transactions. |
|
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|
1561 * |
|
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|
1562 * @return true if transactions are supported |
|
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|
1563 */ |
|
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|
1564 @Override |
|
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|
1565 public boolean supportsTransactions() { |
|
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|
1566 return true; |
|
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|
1567 } |
|
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|
1568 |
|
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|
1569 /** |
|
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|
1570 * Does the database support the given transaction isolation level? |
|
213
115f6351bf4b
Update some documentation text
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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200
diff
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|
1571 * We only support TRANSACTION_SERIALIZABLE as far as I know |
|
0
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|
1572 * |
|
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|
1573 * @param level the values are defined in java.sql.Connection |
|
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|
1574 * @return true if so |
|
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diff
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|
1575 * @see Connection |
|
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|
1576 */ |
|
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|
1577 @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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|
1578 public boolean supportsTransactionIsolationLevel(final int level) { |
|
0
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|
1579 return level == Connection.TRANSACTION_SERIALIZABLE; |
|
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|
1580 } |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
1581 |
|
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|
1582 /** |
|
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parents:
diff
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|
1583 * Are both data definition and data manipulation transactions |
|
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
1584 * supported? |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
1585 * Supposedly that data definition is like CREATE or ALTER TABLE |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
1586 * yes it is. |
|
a5a898f6886c
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|
1587 * |
|
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|
1588 * @return true if so |
|
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|
1589 */ |
|
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changeset
|
1590 @Override |
|
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|
1591 public boolean supportsDataDefinitionAndDataManipulationTransactions() { |
|
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|
1592 return true; |
|
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|
1593 } |
|
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|
1594 |
|
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|
1595 /** |
|
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|
1596 * Are only data manipulation statements within a transaction |
|
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|
1597 * supported? |
|
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|
1598 * |
|
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|
1599 * @return true if so |
|
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|
1600 */ |
|
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|
1601 @Override |
|
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|
1602 public boolean supportsDataManipulationTransactionsOnly() { |
|
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|
1603 return false; |
|
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|
1604 } |
|
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|
1605 |
|
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|
1606 /** |
|
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|
1607 * Does a data definition statement within a transaction force |
|
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|
1608 * the transaction to commit? I think this means something like: |
|
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|
1609 * |
|
194
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
1610 * <pre> |
|
0
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|
1611 * CREATE TABLE T (A INT); |
|
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|
1612 * INSERT INTO T (A) VALUES (2); |
|
874
0e304689c415
Correct the example in the comment.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
844
diff
changeset
|
1613 * BEGIN TRANSACTION; |
|
0
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|
1614 * UPDATE T SET A = A + 1; |
|
874
0e304689c415
Correct the example in the comment.
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parents:
844
diff
changeset
|
1615 * DROP TABLE IF EXISTS X; |
|
0
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|
1616 * CREATE TABLE X (A INT); |
|
874
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844
diff
changeset
|
1617 * INSERT INTO X AS SELECT A FROM T; |
|
0e304689c415
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parents:
844
diff
changeset
|
1618 * SELECT A FROM X; |
|
0e304689c415
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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844
diff
changeset
|
1619 * ROLLBACK; |
|
0e304689c415
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parents:
844
diff
changeset
|
1620 * SELECT A FROM T; |
|
194
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|
1621 * </pre> |
|
0
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|
1622 * |
|
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|
1623 * does the CREATE TABLE call cause a commit? The answer is no. |
|
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|
1624 * |
|
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|
1625 * @return true if so |
|
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|
1626 */ |
|
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|
1627 @Override |
|
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|
1628 public boolean dataDefinitionCausesTransactionCommit() { |
|
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|
1629 return false; |
|
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|
1630 } |
|
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|
1631 |
|
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|
1632 /** |
|
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|
1633 * Is a data definition statement within a transaction ignored? |
|
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|
1634 * |
|
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|
1635 * @return true if so |
|
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|
1636 */ |
|
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changeset
|
1637 @Override |
|
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|
1638 public boolean dataDefinitionIgnoredInTransactions() { |
|
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1639 return false; |
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|
1640 } |
|
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1641 |
|
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|
1642 /** |
|
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|
1643 * Get a description of stored procedures available in a catalog |
|
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1644 * |
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1645 * <p>Only procedure descriptions matching the schema and procedure |
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1646 * name criteria are returned. They are ordered by PROCEDURE_SCHEM, |
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1647 * PROCEDURE_NAME and SPECIFIC_NAME. |
|
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1648 * |
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1649 * <p>Each procedure description has the following columns: |
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1650 * <ol> |
|
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1651 * <li><b>PROCEDURE_CAT</b> String => procedure catalog (may be null) |
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1652 * <li><b>PROCEDURE_SCHEM</b> String => procedure schema (may be null) |
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1653 * <li><b>PROCEDURE_NAME</b> String => procedure name |
|
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1654 * <li><b>Field4</b> reserved (make it null) |
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1655 * <li><b>Field5</b> reserved (make it null) |
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1656 * <li><b>Field6</b> reserved (make it null) |
|
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1657 * <li><b>REMARKS</b> String => explanatory comment on the procedure |
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1658 * <li><b>PROCEDURE_TYPE</b> short => kind of procedure |
|
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1659 * <ul> |
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1660 * <li> procedureResultUnknown - May return a result |
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1661 * <li> procedureNoResult - Does not return a result |
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1662 * <li> procedureReturnsResult - Returns a result |
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1663 * </ul> |
|
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1664 * <li><b>SPECIFIC_NAME</b> String => The name which uniquely identifies this procedure within its schema. |
|
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1665 * </ol> |
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1666 * |
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1667 * @param catalog - a catalog name; must match the catalog name as it is stored in the database; |
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1668 * "" retrieves those without a catalog; |
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1669 * null means that the catalog name should not be used to narrow the search |
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1670 * @param schemaPattern - a schema name pattern; must match the schema name as it is stored in the database; |
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1671 * "" retrieves those without a schema; |
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1672 * null means that the schema name should not be used to narrow the search |
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|
1673 * @param procedureNamePattern - a procedure name pattern; must match the procedure name as it is stored in the database |
|
371
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|
1674 * 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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1675 * @return ResultSet - each row is a procedure description |
|
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1676 * @throws SQLException if a database access error occurs |
|
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1677 */ |
|
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1678 @Override |
|
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1679 public ResultSet getProcedures( |
|
295
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1680 final String catalog, |
|
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1681 final String schemaPattern, |
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1682 final String procedureNamePattern |
|
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1683 ) throws SQLException |
|
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|
1684 { |
|
332
e8962bdaa206
Moved utility methods and associated caches from DatabaseMetaData to Connection object.
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|
1685 final boolean useCommentsTable = con.commentsTableExists(); |
|
295
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|
1686 final StringBuilder query = new StringBuilder(980); |
|
217
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
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|
1687 query.append("SELECT cast(null as char(1)) AS \"PROCEDURE_CAT\", " + |
|
302
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|
1688 "s.\"name\" AS \"PROCEDURE_SCHEM\", " + |
|
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|
1689 "f.\"name\" AS \"PROCEDURE_NAME\", " + |
|
0
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|
1690 "cast(null as char(1)) AS \"Field4\", " + |
|
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|
1691 "cast(null as char(1)) AS \"Field5\", " + |
|
215
71b039bc2d99
Added support for querying the sys.comments table for some meta data methods
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|
1692 "cast(null as char(1)) AS \"Field6\", ") |
|
302
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|
1693 .append(useCommentsTable ? "COALESCE(cm.\"remark\", cast(f.\"func\" as varchar(9999)))" : "cast(f.\"func\" as varchar(9999))").append(" AS \"REMARKS\", " + |
|
0
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|
1694 // in MonetDB procedures have no return value by design. |
|
759
846a456f0f0c
Remove append() calls for static int values in construction of Strings.
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|
1695 "cast(" + DatabaseMetaData.procedureNoResult + " AS smallint) AS \"PROCEDURE_TYPE\", " + |
|
0
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|
1696 // 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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|
1697 "cast(f.\"id\" as varchar(10)) AS \"SPECIFIC_NAME\" " + |
|
759
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|
1698 "FROM \"sys\".\"functions\" f " + |
|
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Remove append() calls for static int values in construction of Strings.
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|
1699 "JOIN \"sys\".\"schemas\" s ON f.\"schema_id\" = s.\"id\" "); |
|
215
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|
1700 if (useCommentsTable) { |
|
352
f62137dd6050
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|
1701 query.append("LEFT OUTER JOIN \"sys\".\"comments\" cm ON f.\"id\" = cm.\"id\" "); |
|
215
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|
1702 } |
|
0
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|
1703 // include procedures only (type = 2). Others will be returned via getFunctions() |
|
302
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|
1704 query.append("WHERE f.\"type\" = 2"); |
|
0
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|
1705 |
|
216
116b5a149fb4
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|
1706 if (catalog != null && !catalog.isEmpty()) { |
|
299
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Correcting typo in comment
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|
1707 // non-empty catalog selection. |
|
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|
1708 // as we do not support catalogs this always results in no rows returned |
|
352
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|
1709 query.append(" AND 1=0"); |
|
216
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|
1710 } else { |
|
323
8701024a9bb0
In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
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|
1711 if (schemaPattern != null && !schemaPattern.equals("%")) { |
|
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|
1712 query.append(" AND s.\"name\" ").append(composeMatchPart(schemaPattern)); |
|
216
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|
1713 } |
|
323
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|
1714 if (procedureNamePattern != null && !procedureNamePattern.equals("%")) { |
|
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|
1715 query.append(" AND f.\"name\" ").append(composeMatchPart(procedureNamePattern)); |
|
216
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|
1716 } |
|
0
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|
1717 } |
|
216
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1718 |
|
0
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|
1719 query.append(" ORDER BY \"PROCEDURE_SCHEM\", \"PROCEDURE_NAME\", \"SPECIFIC_NAME\""); |
|
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|
1720 |
|
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|
1721 return executeMetaDataQuery(query.toString()); |
|
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|
1722 } |
|
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|
1723 |
|
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|
1724 /** |
|
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|
1725 * Get a description of a catalog's stored procedure parameters |
|
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|
1726 * and result columns. |
|
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|
1727 * |
|
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|
1728 * <p>Only descriptions matching the schema, procedure and parameter name |
|
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|
1729 * criteria are returned. They are ordered by PROCEDURE_SCHEM, PROCEDURE_NAME |
|
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|
1730 * and SPECIFIC_NAME. Within this, the return value, if any, is first. |
|
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|
1731 * Next are the parameter descriptions in call order. The |
|
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|
1732 * column descriptions follow in column number order. |
|
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|
1733 * |
|
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|
1734 * <p>Each row in the ResultSet is a parameter description or column |
|
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|
1735 * description with the following fields: |
|
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|
1736 * <ol> |
|
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1737 * <li><b>PROCEDURE_CAT</b> String => procedure catalog (may be null) |
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1738 * <li><b>PROCEDURE_SCHEM</b> String => procedure schema (may be null) |
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1739 * <li><b>PROCEDURE_NAME</b> String => procedure name |
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1740 * <li><b>COLUMN_NAME</b> String => column/parameter name |
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1741 * <li><b>COLUMN_TYPE</b> Short => kind of column/parameter: |
|
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|
1742 * <ul><li>procedureColumnUnknown - nobody knows |
|
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|
1743 * <li>procedureColumnIn - IN parameter |
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|
1744 * <li>procedureColumnInOut - INOUT parameter |
|
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1745 * <li>procedureColumnOut - OUT parameter |
|
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|
1746 * <li>procedureColumnReturn - procedure return value |
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|
1747 * <li>procedureColumnResult - result column in ResultSet |
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1748 * </ul> |
|
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1749 * <li><b>DATA_TYPE</b> int => SQL type from java.sql.Types |
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1750 * <li><b>TYPE_NAME</b> String => SQL type name, for a UDT type the type name is fully qualified |
|
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1751 * <li><b>PRECISION</b> int => precision |
|
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1752 * <li><b>LENGTH</b> int => length in bytes of data |
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1753 * <li><b>SCALE</b> short => scale - null is returned for data types where SCALE is not applicable. |
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1754 * <li><b>RADIX</b> short => radix |
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1755 * <li><b>NULLABLE</b> short => can it contain NULL? |
|
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1756 * <ul><li>procedureNoNulls - does not allow NULL values |
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|
1757 * <li>procedureNullable - allows NULL values |
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1758 * <li>procedureNullableUnknown - nullability unknown |
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1759 * </ul> |
|
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1760 * <li><b>REMARKS</b> String => comment describing parameter/column |
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1761 * <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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1762 * The string NULL (not enclosed in quotes) - if NULL was specified as the default value |
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1763 * TRUNCATE (not enclosed in quotes) - if the specified default value cannot be represented without truncation |
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1764 * NULL - if a default value was not specified |
|
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1765 * <li><b>SQL_DATA_TYPE</b> int => reserved for future use |
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1766 * <li><b>SQL_DATETIME_SUB</b> int => reserved for future use |
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1767 * <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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1768 * <li><b>ORDINAL_POSITION</b> int => the ordinal position, starting from 1, for the input and output parameters for a procedure. |
|
0
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1769 * 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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1770 * 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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1771 * <li><b>IS_NULLABLE</b> String => ISO rules are used to determine the nullability for a column. |
|
0
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1772 * <ul><li>YES --- if the parameter can include NULLs |
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1773 * <li>NO --- if the parameter cannot include NULLs |
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1774 * <li>empty string --- if the nullability for the parameter is unknown |
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1775 * </ul> |
|
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1776 * <li><b>SPECIFIC_NAME</b> String => the name which uniquely identifies this procedure within its schema. |
|
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1777 * </ol> |
|
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1778 * @param catalog - a catalog name; must match the catalog name as it is stored in the database; |
|
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1779 * "" retrieves those without a catalog; |
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1780 * null means that the catalog name should not be used to narrow the search |
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|
1781 * @param schemaPattern - a schema name pattern; must match the schema name as it is stored in the database; |
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1782 * "" retrieves those without a schema; |
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|
1783 * null means that the schema name should not be used to narrow the search |
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|
1784 * @param procedureNamePattern - a procedure name pattern; must match the procedure name as it is stored in the database |
|
371
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|
1785 * 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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1786 * @param columnNamePattern - a column name pattern; must match the column name as it is stored in the database |
|
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1787 * 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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1788 * @return ResultSet - each row describes a stored procedure parameter or column |
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|
1789 * @throws SQLException if a database-access error occurs |
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1790 * @see #getSearchStringEscape |
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1791 */ |
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1792 @Override |
|
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1793 public ResultSet getProcedureColumns( |
|
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1794 final String catalog, |
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1795 final String schemaPattern, |
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1796 final String procedureNamePattern, |
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1797 final String columnNamePattern |
|
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1798 ) throws SQLException { |
|
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1799 final StringBuilder query = new StringBuilder(2900); |
|
217
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1800 query.append("SELECT cast(null as char(1)) AS \"PROCEDURE_CAT\", " + |
|
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1801 "s.\"name\" AS \"PROCEDURE_SCHEM\", " + |
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1802 "f.\"name\" AS \"PROCEDURE_NAME\", " + |
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1803 "a.\"name\" AS \"COLUMN_NAME\", " + |
|
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1804 "cast(CASE a.\"inout\"" + |
|
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|
1805 " WHEN 0 THEN (CASE a.\"number\" WHEN 0 THEN " + DatabaseMetaData.procedureColumnReturn + " ELSE " + DatabaseMetaData.procedureColumnOut + " END)" + |
|
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1806 " WHEN 1 THEN " + DatabaseMetaData.procedureColumnIn + |
|
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1807 " ELSE " + DatabaseMetaData.procedureColumnUnknown + " END AS smallint) AS \"COLUMN_TYPE\", " + |
|
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1808 "cast(").append(MonetDriver.getSQLTypeMap("a.\"type\"")).append(" AS int) AS \"DATA_TYPE\", " + |
|
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1809 "a.\"type\" AS \"TYPE_NAME\", " + |
|
379
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1810 "CASE a.\"type\" WHEN 'tinyint' THEN 3 WHEN 'smallint' THEN 5 WHEN 'int' THEN 10 WHEN 'bigint' THEN 19" + |
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1811 " WHEN 'hugeint' THEN 38 WHEN 'oid' THEN 19 WHEN 'wrd' THEN 19 ELSE a.\"type_digits\" END AS \"PRECISION\", " + |
|
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1812 "CASE a.\"type\" WHEN 'tinyint' THEN 1 WHEN 'smallint' THEN 2 WHEN 'int' THEN 4 WHEN 'bigint' THEN 8" + |
|
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1813 " WHEN 'hugeint' THEN 16 WHEN 'oid' THEN 8 WHEN 'wrd' THEN 8 ELSE a.\"type_digits\" END AS \"LENGTH\", " + |
|
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|
1814 "cast(CASE WHEN a.\"type\" IN ('tinyint','smallint','int','bigint','hugeint','oid','wrd','decimal','numeric'," + |
|
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|
1815 "'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>
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|
1816 "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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|
1817 " WHEN a.\"type\" IN ('real','float','double') THEN 2 ELSE NULL END AS smallint) AS \"RADIX\", " + |
|
759
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|
1818 // mvd: do not remove next append. The String above is same as used by getFunctionColumns, so shared in class file. |
|
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1819 "cast(").append(DatabaseMetaData.procedureNullableUnknown).append(" AS smallint) AS \"NULLABLE\", " + |
|
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1820 "cast(null as char(1)) AS \"REMARKS\", " + |
|
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|
1821 "cast(null as char(1)) AS \"COLUMN_DEF\", " + |
|
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1822 "cast(0 as int) AS \"SQL_DATA_TYPE\", " + |
|
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|
1823 "cast(0 as int) AS \"SQL_DATETIME_SUB\", " + |
|
822
ad4491372c2c
Prevent sql processor to produce server msg: mul_int_bte_int: ERROR: 22003!overflow in calculation 2147483647*4.
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1824 "cast(CASE WHEN a.\"type\" IN ('varchar','clob','char','json','url','xml') THEN 4 * cast(a.\"type_digits\" as bigint) WHEN a.\"type\" = 'blob' THEN a.\"type_digits\" ELSE NULL END as bigint) AS \"CHAR_OCTET_LENGTH\", " + |
|
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1825 // 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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1826 "cast(a.\"number\" + 1 as int) AS \"ORDINAL_POSITION\", " + |
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217
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1827 "cast('' as varchar(3)) AS \"IS_NULLABLE\", " + |
|
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1828 // 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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1829 "cast(f.\"id\" as varchar(10)) AS \"SPECIFIC_NAME\" " + |
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1830 "FROM \"sys\".\"args\" a " + |
|
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1831 "JOIN \"sys\".\"functions\" f ON a.\"func_id\" = f.\"id\" " + |
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1832 "JOIN \"sys\".\"schemas\" s ON f.\"schema_id\" = s.\"id\" " + |
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1833 // include procedures only (type = 2). Others will be returned via getFunctionColumns() |
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1834 "WHERE f.\"type\" = 2"); |
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1835 |
|
216
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1836 if (catalog != null && !catalog.isEmpty()) { |
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1837 // non-empty catalog selection. |
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1838 // as we do not support catalogs this always results in no rows returned |
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1839 query.append(" AND 1=0"); |
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1840 } else { |
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323
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1841 if (schemaPattern != null && !schemaPattern.equals("%")) { |
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1842 query.append(" AND s.\"name\" ").append(composeMatchPart(schemaPattern)); |
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1843 } |
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1844 if (procedureNamePattern != null && !procedureNamePattern.equals("%")) { |
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1845 query.append(" AND f.\"name\" ").append(composeMatchPart(procedureNamePattern)); |
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1846 } |
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1847 if (columnNamePattern != null && !columnNamePattern.equals("%")) { |
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|
1848 query.append(" AND a.\"name\" ").append(composeMatchPart(columnNamePattern)); |
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216
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1849 } |
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1850 } |
|
216
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1851 |
|
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|
1852 query.append(" ORDER BY \"PROCEDURE_SCHEM\", \"PROCEDURE_NAME\", \"SPECIFIC_NAME\", \"ORDINAL_POSITION\""); |
|
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|
1853 |
|
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|
1854 return executeMetaDataQuery(query.toString()); |
|
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1855 } |
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1856 |
|
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1857 /** |
|
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|
1858 * Retrieves a description of the tables available in the given catalog. |
|
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|
1859 * Only table descriptions matching the catalog, schema, table name and type criteria are returned. |
|
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|
1860 * They are ordered by TABLE_TYPE, TABLE_CAT, TABLE_SCHEM and TABLE_NAME. |
|
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1861 * |
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1862 * <p>Each table description has the following columns: |
|
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|
1863 * |
|
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1864 * <ol> |
|
194
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1865 * <li><b>TABLE_CAT</b> String => table catalog (may be null) |
|
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1866 * <li><b>TABLE_SCHEM</b> String => table schema (may be null) |
|
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1867 * <li><b>TABLE_NAME</b> String => table name |
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1868 * <li><b>TABLE_TYPE</b> String => table type. Typical types are "TABLE", |
|
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|
1869 * "VIEW", "SYSTEM TABLE", "GLOBAL TEMPORARY", "LOCAL TEMPORARY", "ALIAS", "SYNONYM". |
|
194
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Resolved javadoc many errors and warnings, such as:
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186
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|
1870 * <li><b>REMARKS</b> String => explanatory comment on the table |
|
1296dbcc4958
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1871 * <li><b>TYPE_CAT</b> String => the types catalog (may be null) |
|
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|
1872 * <li><b>TYPE_SCHEM</b> String => the types schema (may be null) |
|
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1873 * <li><b>TYPE_NAME</b> String => type name (may be null) |
|
1296dbcc4958
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|
1874 * <li><b>SELF_REFERENCING_COL_NAME</b> String => name of the designated "identifier" column of a typed table (may be null) |
|
1296dbcc4958
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|
1875 * <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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|
1876 * </ol> |
|
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|
1877 * |
|
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|
1878 * @param catalog - a catalog name; must match the catalog name as it is stored in the database; |
|
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|
1879 * "" retrieves those without a catalog; null means that the |
|
a5a898f6886c
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|
1880 * catalog name should not be used to narrow the search |
|
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|
1881 * @param schemaPattern - a schema name pattern; must match the schema name as it is stored |
|
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|
1882 * in the database; "" retrieves those without a schema; |
|
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|
1883 * null means that the schema name should not be used to narrow the search |
|
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|
1884 * @param tableNamePattern - a table name pattern; must match the table name as it is stored in the database |
|
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|
1885 * For all tables this should be "%" |
|
371
67fa5c6147d7
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|
1886 * 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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|
1887 * @param types - a list of table types, which must be from the list of table types returned |
|
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|
1888 * from getTableTypes(),to include; null returns all types |
|
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|
1889 * @return ResultSet - each row is a table description |
|
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|
1890 * @throws SQLException if a database-access error occurs. |
|
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1891 */ |
|
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|
1892 @Override |
|
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|
1893 public ResultSet getTables( |
|
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1894 final String catalog, |
|
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1895 final String schemaPattern, |
|
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1896 final String tableNamePattern, |
|
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1897 final String types[] |
|
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1898 ) throws SQLException |
|
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1899 { |
|
332
e8962bdaa206
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|
1900 final boolean useCommentsTable = con.commentsTableExists(); |
|
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1901 final StringBuilder query = new StringBuilder(1600); |
|
217
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1902 query.append("SELECT cast(null as char(1)) AS \"TABLE_CAT\", " + |
|
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1903 "s.\"name\" AS \"TABLE_SCHEM\", " + |
|
767
1547843b3a9b
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|
1904 "t.\"name\" AS \"TABLE_NAME\", " + |
|
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|
1905 "tt.\"table_type_name\" AS \"TABLE_TYPE\", ") |
|
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|
1906 .append(useCommentsTable ? "COALESCE(cm.\"remark\", t.\"query\")" : "t.\"query\"") |
|
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|
1907 .append(" AS \"REMARKS\", " + |
|
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|
1908 "cast(null as char(1)) AS \"TYPE_CAT\", " + |
|
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|
1909 "cast(null as char(1)) AS \"TYPE_SCHEM\", " + |
|
a5a898f6886c
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|
1910 "cast(null as char(1)) AS \"TYPE_NAME\", " + |
|
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|
1911 "cast(null as char(1)) AS \"SELF_REFERENCING_COL_NAME\", " + |
|
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|
1912 "cast(null as char(1)) AS \"REF_GENERATION\" " + |
|
767
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|
1913 "FROM \"sys\".\"tables\" t " + |
|
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|
1914 "JOIN \"sys\".\"table_types\" tt ON t.\"type\" = tt.\"table_type_id\" " + |
|
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|
1915 "JOIN \"sys\".\"schemas\" s ON t.\"schema_id\" = s.\"id\" "); |
|
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1916 if (useCommentsTable) { |
|
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Added table aliases and use them in all meta data SQL queries to reduce query size.
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1917 query.append("LEFT OUTER JOIN \"sys\".\"comments\" cm ON t.\"id\" = cm.\"id\" "); |
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0
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1918 } |
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Optimize SQL query generation by eliminating "WHERE 1=1" conditions
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1919 |
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Optimize SQL query generation by eliminating "WHERE 1=1" conditions
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1920 boolean needWhere = true; |
|
216
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1921 if (catalog != null && !catalog.isEmpty()) { |
|
299
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1922 // non-empty catalog selection. |
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1923 // as we do not support catalogs this always results in no rows returned |
|
372
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Optimize SQL query generation by eliminating "WHERE 1=1" conditions
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1924 query.append("WHERE 1=0"); |
|
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1925 needWhere = false; |
|
216
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1926 } else { |
|
323
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In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
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1927 if (schemaPattern != null && !schemaPattern.equals("%")) { |
|
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1928 query.append("WHERE s.\"name\" ").append(composeMatchPart(schemaPattern)); |
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1929 needWhere = false; |
|
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1930 } |
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1931 if (tableNamePattern != null && !tableNamePattern.equals("%")) { |
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1932 query.append(needWhere ? "WHERE" : " AND") |
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1933 .append(" t.\"name\" ").append(composeMatchPart(tableNamePattern)); |
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1934 needWhere = false; |
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1935 } |
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1936 } |
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1937 |
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1938 if (types != null && types.length > 0) { |
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1939 boolean foundType = false; |
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1940 query.append(needWhere ? "WHERE" : " AND").append(" tt.\"table_type_name\" IN ("); |
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1941 for (int i = 0; i < types.length; i++) { |
|
827
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Enhanced DatabaseMetaData.getTables() method by adding support for SQL table type names: 'BASE TABLE', 'GLOBAL TEMPORARY' and 'LOCAL TEMPORARY' in parameter types[].
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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1942 String tabletype = types[i]; |
|
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1943 if (tabletype != null && !tabletype.isEmpty()) { |
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1944 /* Some JDBC applications use different table type names. |
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1945 * Replace some SQL synonyms to valid MonetDB |
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1946 * table type names as defined in sys.table_types */ |
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1947 if ("BASE TABLE".equals(tabletype)) { |
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1948 tabletype = "TABLE"; |
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parents:
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|
1949 } else |
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1950 if ("GLOBAL TEMPORARY".equals(tabletype)) { |
|
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1951 tabletype = "GLOBAL TEMPORARY TABLE"; |
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parents:
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1952 } else |
|
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1953 if ("LOCAL TEMPORARY".equals(tabletype)) { |
|
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parents:
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|
1954 tabletype = "LOCAL TEMPORARY TABLE"; |
|
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parents:
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|
1955 } |
|
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parents:
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1956 if (foundType) { |
|
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|
1957 query.append(','); |
|
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parents:
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|
1958 } |
|
966
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Fix a bug in DatabaseMetaData.getTables() where a provided string in the
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parents:
943
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|
1959 query.append(MonetWrapper.sq(tabletype)); |
|
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parents:
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|
1960 foundType = true; |
|
827
b2cbe866d020
Enhanced DatabaseMetaData.getTables() method by adding support for SQL table type names: 'BASE TABLE', 'GLOBAL TEMPORARY' and 'LOCAL TEMPORARY' in parameter types[].
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
825
diff
changeset
|
1961 } |
|
844
9ad9c8c38fe4
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
833
diff
changeset
|
1962 } |
|
9ad9c8c38fe4
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parents:
833
diff
changeset
|
1963 if (!foundType) { |
|
9ad9c8c38fe4
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
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diff
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|
1964 // we need to have at least one literal in the SQL IN-list else we get a syntax error |
|
9ad9c8c38fe4
The String types[] passed to getTables() may contain entries containing null or empty string "". Those are invalid table types.
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parents:
833
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|
1965 query.append("''"); |
|
0
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parents:
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|
1966 } |
|
767
1547843b3a9b
Removed code to support old MonetDB servers Oct2014 or older.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
761
diff
changeset
|
1967 query.append(')'); |
|
827
b2cbe866d020
Enhanced DatabaseMetaData.getTables() method by adding support for SQL table type names: 'BASE TABLE', 'GLOBAL TEMPORARY' and 'LOCAL TEMPORARY' in parameter types[].
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
825
diff
changeset
|
1968 // for debug: System.out.println("SQL (len " + query.length() + "): " + query); |
|
0
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|
1969 } |
|
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parents:
diff
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|
1970 |
|
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parents:
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|
1971 query.append(" ORDER BY \"TABLE_TYPE\", \"TABLE_SCHEM\", \"TABLE_NAME\""); |
|
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|
1972 |
|
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|
1973 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
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parents:
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|
1974 } |
|
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parents:
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|
1975 |
|
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parents:
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|
1976 /** |
|
a5a898f6886c
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parents:
diff
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|
1977 * Get the schema names available in this database. The results |
|
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parents:
diff
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|
1978 * are ordered by schema name. |
|
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parents:
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|
1979 * |
|
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parents:
diff
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|
1980 * <P>The schema column is: |
|
a5a898f6886c
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parents:
diff
changeset
|
1981 * <OL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
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|
1982 * <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
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|
1983 * <LI><B>TABLE_CATALOG</B> String => catalog name (may be null) |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
1984 * </OL> |
|
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parents:
diff
changeset
|
1985 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1986 * @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
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|
1987 * 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
|
1988 * catalog; null means catalog name should not be used to |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1989 * narrow down the search. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1990 * @param schemaPattern a schema name; must match the schema name as |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1991 * it is stored in the database; null means schema name |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
1992 * should not be used to narrow down the search. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
1993 * @return ResultSet each row has a single String column that is a |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
1994 * schema name |
|
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1995 * @throws SQLException if a database error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1996 */ |
|
a5a898f6886c
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parents:
diff
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|
1997 @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
|
1998 public ResultSet getSchemas(final String catalog, final String schemaPattern) |
|
0
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parents:
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|
1999 throws SQLException |
|
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parents:
diff
changeset
|
2000 { |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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|
2001 final StringBuilder query = new StringBuilder(170); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2002 query.append("SELECT \"name\" AS \"TABLE_SCHEM\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2003 "cast(null as char(1)) AS \"TABLE_CATALOG\" " + |
|
372
159c628527c4
Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
371
diff
changeset
|
2004 "FROM \"sys\".\"schemas\" "); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2005 |
|
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
|
2006 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
298
diff
changeset
|
2007 // non-empty catalog selection. |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2008 // as we do not support catalogs this always results in no rows returned |
|
372
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Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
371
diff
changeset
|
2009 query.append("WHERE 1=0"); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2010 } 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
|
2011 if (schemaPattern != null && !schemaPattern.equals("%")) { |
|
372
159c628527c4
Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
371
diff
changeset
|
2012 query.append("WHERE \"name\" ").append(composeMatchPart(schemaPattern)); |
|
0
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2013 } |
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2014 } |
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2015 query.append(" ORDER BY \"TABLE_SCHEM\""); |
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2016 |
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2017 return executeMetaDataQuery(query.toString()); |
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2018 } |
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2019 |
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2020 /** |
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2021 * Get the catalog names available in this database. The results |
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2022 * are ordered by catalog name. |
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2023 * |
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2024 * <P>The catalog column is: |
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2025 * <OL> |
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2026 * <LI><B>TABLE_CAT</B> String => catalog name |
|
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2027 * </OL> |
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2028 * |
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2029 * |
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2030 * @return ResultSet each row has a single String column that is a |
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2031 * catalog name |
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2032 * @throws SQLException if a database error occurs |
|
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2033 */ |
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2034 @Override |
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2035 public ResultSet getCatalogs() throws SQLException { |
|
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2036 // MonetDB does NOT support catalogs. |
|
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2037 // Return a resultset with no rows |
|
352
f62137dd6050
Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
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2038 return executeMetaDataQuery("SELECT cast(null as char(1)) AS \"TABLE_CAT\" WHERE 1=0"); |
|
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2039 } |
|
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2040 |
|
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2041 /** |
|
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2042 * Get the table types available in this database. |
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2043 * The results are ordered by table type. |
|
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2044 * |
|
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2045 * <P>The table type is: |
|
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2046 * <OL> |
|
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2047 * <LI><B>TABLE_TYPE</B> String => table type. Typical types are "TABLE", |
|
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|
2048 * "VIEW", "SYSTEM TABLE", "GLOBAL TEMPORARY", |
|
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|
2049 * "LOCAL TEMPORARY", "ALIAS", "SYNONYM". |
|
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2050 * </OL> |
|
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|
2051 * |
|
303
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|
2052 * @return ResultSet each row has a single String column that is a table type |
|
0
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|
2053 * @throws SQLException if a database error occurs |
|
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|
2054 */ |
|
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|
2055 @Override |
|
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|
2056 public ResultSet getTableTypes() throws SQLException { |
|
767
1547843b3a9b
Removed code to support old MonetDB servers Oct2014 or older.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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761
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|
2057 return executeMetaDataQuery("SELECT \"table_type_name\" AS \"TABLE_TYPE\" FROM \"sys\".\"table_types\" ORDER BY 1"); |
|
0
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|
2058 } |
|
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|
2059 |
|
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|
2060 /** |
|
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2061 * Get a description of table columns available in a catalog. |
|
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|
2062 * |
|
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|
2063 * <P>Only column descriptions matching the catalog, schema, table |
|
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|
2064 * and column name criteria are returned. They are ordered by |
|
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|
2065 * TABLE_SCHEM, TABLE_NAME and ORDINAL_POSITION. |
|
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|
2066 * |
|
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|
2067 * <P>Each column description has the following columns: |
|
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|
2068 * <OL> |
|
194
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2069 * <LI><B>TABLE_CAT</B> String => table catalog (may be null) |
|
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|
2070 * <LI><B>TABLE_SCHEM</B> String => table schema (may be null) |
|
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|
2071 * <LI><B>TABLE_NAME</B> String => table name |
|
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|
2072 * <LI><B>COLUMN_NAME</B> String => column name |
|
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|
2073 * <LI><B>DATA_TYPE</B> int => SQL type from java.sql.Types |
|
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|
2074 * <LI><B>TYPE_NAME</B> String => Data source dependent type name |
|
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|
2075 * <LI><B>COLUMN_SIZE</B> int => column size. For char or date |
|
0
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|
2076 * types this is the maximum number of characters, for numeric or |
|
a5a898f6886c
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|
2077 * decimal types this is precision. |
|
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|
2078 * <LI><B>BUFFER_LENGTH</B> is not used. |
|
194
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|
2079 * <LI><B>DECIMAL_DIGITS</B> int => the number of fractional digits |
|
1296dbcc4958
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|
2080 * <LI><B>NUM_PREC_RADIX</B> int => Radix (typically either 10 or 2) |
|
1296dbcc4958
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|
2081 * <LI><B>NULLABLE</B> int => is NULL allowed? |
|
0
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|
2082 * <UL> |
|
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|
2083 * <LI> columnNoNulls - might not allow NULL values |
|
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|
2084 * <LI> columnNullable - definitely allows NULL values |
|
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|
2085 * <LI> columnNullableUnknown - nullability unknown |
|
a5a898f6886c
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|
2086 * </UL> |
|
194
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2087 * <LI><B>REMARKS</B> String => comment describing column (may be null) |
|
1296dbcc4958
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2088 * <LI><B>COLUMN_DEF</B> String => default value (may be null) |
|
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2089 * <LI><B>SQL_DATA_TYPE</B> int => unused |
|
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2090 * <LI><B>SQL_DATETIME_SUB</B> int => unused |
|
1296dbcc4958
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2091 * <LI><B>CHAR_OCTET_LENGTH</B> int => for char types the |
|
0
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|
2092 * maximum number of bytes in the column |
|
194
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2093 * <LI><B>ORDINAL_POSITION</B> int => index of column in table |
|
0
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|
2094 * (starting at 1) |
|
194
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2095 * <LI><B>IS_NULLABLE</B> String => "NO" means column definitely |
|
0
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|
2096 * does not allow NULL values; "YES" means the column might |
|
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|
2097 * allow NULL values. An empty string means nobody knows. |
|
194
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2098 * <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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2099 * <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) |
|
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2100 * <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
|
2101 * <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
|
2102 * SQL type from java.sql.Types (null if DATA_TYPE isn't DISTINCT or user-generated REF) |
|
194
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2103 * <LI><B>IS_AUTOINCREMENT</B> String => Indicates whether this column is auto incremented |
|
0
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|
2104 * <UL> |
|
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|
2105 * <LI> YES --- if the column is auto incremented |
|
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|
2106 * <LI> NO --- if the column is not auto incremented |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
2107 * <LI> empty string --- if it cannot be determined whether the column is auto incremented |
|
0
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|
2108 * </UL> |
|
194
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2109 * <LI><B>IS_GENERATEDCOLUMN</B> String => Indicates whether this is a generated column |
|
0
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|
2110 * <UL> |
|
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|
2111 * <LI> YES --- if this a generated column |
|
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|
2112 * <LI> NO --- if this not a generated column |
|
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2113 * <LI> empty string --- if it cannot be determined whether this is a generated column |
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2114 * </UL> |
|
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2115 * </OL> |
|
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|
2116 * |
|
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2117 * @param catalog - a catalog name; must match the catalog name as it is stored in the database; |
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2118 * "" retrieves those without a catalog; null means that the |
|
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|
2119 * catalog name should not be used to narrow the search |
|
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2120 * @param schemaPattern - a schema name pattern; must match the schema name as it is stored |
|
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|
2121 * in the database; "" retrieves those without a schema; |
|
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2122 * null means that the schema name should not be used to narrow the search |
|
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|
2123 * @param tableNamePattern - a table name pattern; must match the table name as it is stored in the database |
|
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2124 * For all tables this should be "%" |
|
371
67fa5c6147d7
Correct SQL syntax in comment (LIKE "%" is not valid SQL in WHERE clause)
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|
2125 * 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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|
2126 * @param columnNamePattern - a column name pattern; must match the column name as it is stored in the database |
|
371
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|
2127 * 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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|
2128 * @return ResultSet - each row is a column description |
|
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|
2129 * @throws SQLException if a database error occurs |
|
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|
2130 * @see #getSearchStringEscape |
|
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|
2131 */ |
|
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|
2132 @Override |
|
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|
2133 public ResultSet getColumns( |
|
295
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|
2134 final String catalog, |
|
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|
2135 final String schemaPattern, |
|
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|
2136 final String tableNamePattern, |
|
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|
2137 final String columnNamePattern |
|
0
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2138 ) throws SQLException |
|
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|
2139 { |
|
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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diff
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2140 final boolean useCommentsTable = con.commentsTableExists(); |
|
295
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2141 final StringBuilder query = new StringBuilder(2450); |
|
0
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2142 query.append("SELECT cast(null as char(1)) AS \"TABLE_CAT\", " + |
|
302
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300
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|
2143 "s.\"name\" AS \"TABLE_SCHEM\", " + |
|
1b6c514106ce
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|
2144 "t.\"name\" AS \"TABLE_NAME\", " + |
|
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diff
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|
2145 "c.\"name\" AS \"COLUMN_NAME\", " + |
|
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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300
diff
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|
2146 "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>
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300
diff
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|
2147 "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>
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300
diff
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|
2148 "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>
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323
diff
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|
2149 "cast(0 as int) AS \"BUFFER_LENGTH\", " + |
|
302
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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300
diff
changeset
|
2150 "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>
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376
diff
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|
2151 "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>
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376
diff
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|
2152 "WHEN c.\"type\" IN ('int','smallint','tinyint','bigint','hugeint','float','real','double','oid','wrd') THEN 2 " + |
|
0
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|
2153 "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
|
2154 "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
|
2155 " 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
|
2156 " ELSE " + ResultSetMetaData.columnNullableUnknown + |
|
846a456f0f0c
Remove append() calls for static int values in construction of Strings.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
757
diff
changeset
|
2157 " END AS int) AS \"NULLABLE\", ") |
|
302
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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300
diff
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|
2158 .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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|
2159 "c.\"default\" AS \"COLUMN_DEF\", " + |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
2160 "cast(0 as int) AS \"SQL_DATA_TYPE\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2161 "cast(0 as int) AS \"SQL_DATETIME_SUB\", " + |
|
822
ad4491372c2c
Prevent sql processor to produce server msg: mul_int_bte_int: ERROR: 22003!overflow in calculation 2147483647*4.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
818
diff
changeset
|
2162 "cast(CASE WHEN c.\"type\" IN ('varchar','clob','char','json','url','xml') THEN 4 * cast(c.\"type_digits\" as bigint) ELSE NULL END as bigint) AS \"CHAR_OCTET_LENGTH\", " + |
|
302
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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300
diff
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|
2163 "cast(c.\"number\" + 1 as int) AS \"ORDINAL_POSITION\", " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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300
diff
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|
2164 "cast(CASE c.\"null\" WHEN true THEN 'YES' WHEN false THEN 'NO' ELSE '' END AS varchar(3)) AS \"IS_NULLABLE\", " + |
|
217
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
changeset
|
2165 "cast(null AS char(1)) AS \"SCOPE_CATALOG\", " + |
|
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
changeset
|
2166 "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
|
2167 "cast(null AS char(1)) AS \"SCOPE_TABLE\", " + |
|
168
70630bc76ac6
Correct returned value for column SOURCE_DATA_TYPE of method getColumns().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
146
diff
changeset
|
2168 "cast(null AS smallint) AS \"SOURCE_DATA_TYPE\", " + |
|
302
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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300
diff
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|
2169 "cast(CASE WHEN c.\"default\" IS NOT NULL AND c.\"default\" LIKE 'next value for %' THEN 'YES' ELSE 'NO' END AS varchar(3)) AS \"IS_AUTOINCREMENT\", " + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
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|
2170 "cast('NO' AS varchar(3)) AS \"IS_GENERATEDCOLUMN\" " + |
|
302
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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300
diff
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|
2171 "FROM \"sys\".\"columns\" c " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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300
diff
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|
2172 "JOIN \"sys\".\"tables\" t ON c.\"table_id\" = t.\"id\" " + |
|
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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300
diff
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|
2173 "JOIN \"sys\".\"schemas\" s ON t.\"schema_id\" = s.\"id\" "); |
|
215
71b039bc2d99
Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
213
diff
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|
2174 if (useCommentsTable) { |
|
302
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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300
diff
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|
2175 query.append("LEFT OUTER JOIN \"sys\".\"comments\" cm ON c.\"id\" = cm.\"id\" "); |
|
215
71b039bc2d99
Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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213
diff
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|
2176 } |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2177 |
|
216
116b5a149fb4
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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215
diff
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|
2178 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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|
2179 // non-empty catalog selection. |
|
0
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|
2180 // as we do not support catalogs this always results in no rows returned |
|
372
159c628527c4
Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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371
diff
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|
2181 query.append("WHERE 1=0"); |
|
216
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
2182 } else { |
|
372
159c628527c4
Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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371
diff
changeset
|
2183 boolean needWhere = true; |
|
323
8701024a9bb0
In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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306
diff
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|
2184 if (schemaPattern != null && !schemaPattern.equals("%")) { |
|
372
159c628527c4
Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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371
diff
changeset
|
2185 query.append("WHERE s.\"name\" ").append(composeMatchPart(schemaPattern)); |
|
159c628527c4
Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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371
diff
changeset
|
2186 needWhere = false; |
|
216
116b5a149fb4
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215
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|
2187 } |
|
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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|
2188 if (tableNamePattern != null && !tableNamePattern.equals("%")) { |
|
372
159c628527c4
Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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371
diff
changeset
|
2189 query.append(needWhere ? "WHERE" : " AND") |
|
159c628527c4
Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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371
diff
changeset
|
2190 .append(" t.\"name\" ").append(composeMatchPart(tableNamePattern)); |
|
159c628527c4
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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371
diff
changeset
|
2191 needWhere = false; |
|
216
116b5a149fb4
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
2192 } |
|
323
8701024a9bb0
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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306
diff
changeset
|
2193 if (columnNamePattern != null && !columnNamePattern.equals("%")) { |
|
372
159c628527c4
Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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371
diff
changeset
|
2194 query.append(needWhere ? "WHERE" : " AND") |
|
159c628527c4
Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
changeset
|
2195 .append(" c.\"name\" ").append(composeMatchPart(columnNamePattern)); |
|
216
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
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|
2196 } |
|
0
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changeset
|
2197 } |
|
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|
2198 |
|
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changeset
|
2199 query.append(" ORDER BY \"TABLE_SCHEM\", \"TABLE_NAME\", \"ORDINAL_POSITION\""); |
|
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changeset
|
2200 |
|
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diff
changeset
|
2201 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
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diff
changeset
|
2202 } |
|
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changeset
|
2203 |
|
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parents:
diff
changeset
|
2204 /** |
|
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2205 * Get a description of the access rights for a table's columns. |
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2206 * MonetDB doesn't have this level of access rights. |
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2207 * |
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2208 * <P>Only privileges matching the column name criteria are |
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2209 * returned. They are ordered by COLUMN_NAME and PRIVILEGE. |
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2210 * |
| 943 | 2211 * <P>Each privilege description has the following columns: |
|
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2212 * <OL> |
|
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2213 * <LI><B>TABLE_CAT</B> String => table catalog (may be null) |
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2214 * <LI><B>TABLE_SCHEM</B> String => table schema (may be null) |
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2215 * <LI><B>TABLE_NAME</B> String => table name |
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2216 * <LI><B>COLUMN_NAME</B> String => column name |
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2217 * <LI><B>GRANTOR</B> => grantor of access (may be null) |
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2218 * <LI><B>GRANTEE</B> String => grantee of access |
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2219 * <LI><B>PRIVILEGE</B> String => name of access (SELECT, |
| 943 | 2220 * INSERT, UPDATE, REFERENCES, ...) |
|
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2221 * <LI><B>IS_GRANTABLE</B> String => "YES" if grantee is permitted |
|
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2222 * to grant to others; "NO" if not; null if unknown |
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2223 * </OL> |
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2224 * |
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2225 * @param catalog a catalog name; "" retrieves those without a catalog |
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2226 * @param schemaPattern a schema name; "" retrieves those without a schema |
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2227 * @param tableNamePattern a table name |
|
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2228 * 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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2229 * @param columnNamePattern a column name pattern |
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2230 * 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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2231 * @return ResultSet each row is a column privilege description |
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2232 * @see #getSearchStringEscape |
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2233 * @throws SQLException if a database error occurs |
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2234 */ |
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2235 @Override |
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2236 public ResultSet getColumnPrivileges( |
|
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2237 final String catalog, |
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2238 final String schemaPattern, |
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2239 final String tableNamePattern, |
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2240 final String columnNamePattern |
|
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2241 ) throws SQLException |
|
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2242 { |
|
332
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2243 final boolean usePrivilege_codesTable = con.privilege_codesTableExists(); |
|
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2244 final StringBuilder query = new StringBuilder(1100); |
|
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2245 query.append("SELECT cast(null as char(1)) AS \"TABLE_CAT\", " + |
|
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2246 "s.\"name\" AS \"TABLE_SCHEM\", " + |
|
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|
2247 "t.\"name\" AS \"TABLE_NAME\", " + |
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|
2248 "c.\"name\" AS \"COLUMN_NAME\", " + |
|
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|
2249 "grantors.\"name\" AS \"GRANTOR\", " + |
|
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|
2250 "grantees.\"name\" AS \"GRANTEE\", ") |
|
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2251 .append(usePrivilege_codesTable ? "pc.\"privilege_code_name\"" : |
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2252 "cast(CASE p.\"privileges\" " + |
|
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|
2253 "WHEN 1 THEN 'SELECT' " + |
|
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|
2254 "WHEN 2 THEN 'UPDATE' " + |
|
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|
2255 "WHEN 4 THEN 'INSERT' " + |
|
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|
2256 "WHEN 8 THEN 'DELETE' " + |
|
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|
2257 "WHEN 16 THEN 'EXECUTE' " + |
|
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|
2258 "WHEN 32 THEN 'GRANT' " + |
|
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|
2259 "ELSE NULL " + |
|
219
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|
2260 "END AS varchar(7))").append(" AS \"PRIVILEGE\", " + |
|
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|
2261 "cast(CASE p.\"grantable\" " + |
|
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|
2262 "WHEN 0 THEN 'NO' " + |
|
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|
2263 "WHEN 1 THEN 'YES' " + |
|
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|
2264 "ELSE NULL " + |
|
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|
2265 "END AS varchar(3)) AS \"IS_GRANTABLE\" " + |
|
302
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|
2266 "FROM \"sys\".\"privileges\" p " + |
|
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|
2267 "JOIN \"sys\".\"columns\" c ON p.\"obj_id\" = c.\"id\" " + |
|
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|
2268 "JOIN \"sys\".\"tables\" t ON c.\"table_id\" = t.\"id\" " + |
|
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|
2269 "JOIN \"sys\".\"schemas\" s ON t.\"schema_id\" = s.\"id\" " + |
|
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|
2270 "JOIN \"sys\".\"auths\" grantors ON p.\"grantor\" = grantors.\"id\" " + |
|
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|
2271 "JOIN \"sys\".\"auths\" grantees ON p.\"auth_id\" = grantees.\"id\" "); |
|
219
4572f0694fde
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|
2272 if (usePrivilege_codesTable) { |
|
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|
2273 query.append("JOIN \"sys\".\"privilege_codes\" pc ON p.\"privileges\" = pc.\"privilege_code_id\" "); |
|
219
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|
2274 } |
|
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|
2275 |
|
216
116b5a149fb4
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|
2276 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
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|
2277 // non-empty catalog selection. |
|
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|
2278 // as we do not support catalogs this always results in no rows returned |
|
372
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|
2279 query.append("WHERE 1=0"); |
|
216
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|
2280 } else { |
|
372
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|
2281 boolean needWhere = true; |
|
323
8701024a9bb0
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|
2282 if (schemaPattern != null && !schemaPattern.equals("%")) { |
|
372
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|
2283 query.append("WHERE s.\"name\" ").append(composeMatchPart(schemaPattern)); |
|
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|
2284 needWhere = false; |
|
216
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|
2285 } |
|
323
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|
2286 if (tableNamePattern != null && !tableNamePattern.equals("%")) { |
|
372
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|
2287 query.append(needWhere ? "WHERE" : " AND") |
|
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|
2288 .append(" t.\"name\" ").append(composeMatchPart(tableNamePattern)); |
|
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|
2289 needWhere = false; |
|
216
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2290 } |
|
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|
2291 if (columnNamePattern != null && !columnNamePattern.equals("%")) { |
|
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|
2292 query.append(needWhere ? "WHERE" : " AND") |
|
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|
2293 .append(" c.\"name\" ").append(composeMatchPart(columnNamePattern)); |
|
216
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|
2294 } |
|
0
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|
2295 } |
|
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|
2296 |
|
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changeset
|
2297 query.append(" ORDER BY \"TABLE_SCHEM\", \"TABLE_NAME\", \"COLUMN_NAME\", \"PRIVILEGE\""); |
|
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|
2298 |
|
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|
2299 return executeMetaDataQuery(query.toString()); |
|
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|
2300 } |
|
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|
2301 |
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2302 /** |
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2303 * Get a description of the access rights for each table available |
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2304 * in a catalog. |
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2305 * |
|
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2306 * <P>Only privileges matching the schema and table name |
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2307 * criteria are returned. They are ordered by TABLE_SCHEM, |
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2308 * TABLE_NAME, and PRIVILEGE. |
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2309 * |
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2310 * <P>Each privilege description has the following columns: |
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2311 * <OL> |
|
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2312 * <LI><B>TABLE_CAT</B> String => table catalog (may be null) |
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2313 * <LI><B>TABLE_SCHEM</B> String => table schema (may be null) |
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2314 * <LI><B>TABLE_NAME</B> String => table name |
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2315 * <LI><B>GRANTOR</B> => grantor of access (may be null) |
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2316 * <LI><B>GRANTEE</B> String => grantee of access |
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2317 * <LI><B>PRIVILEGE</B> String => name of access (SELECT, |
| 943 | 2318 * INSERT, UPDATE, REFERENCES, ...) |
|
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2319 * <LI><B>IS_GRANTABLE</B> String => "YES" if grantee is permitted |
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2320 * to grant to others; "NO" if not; null if unknown |
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2321 * </OL> |
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2322 * |
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2323 * @param catalog a catalog name; "" retrieves those without a catalog |
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2324 * @param schemaPattern a schema name pattern; "" retrieves those without a schema |
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2325 * @param tableNamePattern a table name pattern |
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2326 * 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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2327 * @return ResultSet each row is a table privilege description |
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2328 * @see #getSearchStringEscape |
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2329 * @throws SQLException if a database error occurs |
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2330 */ |
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2331 @Override |
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2332 public ResultSet getTablePrivileges( |
|
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2333 final String catalog, |
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2334 final String schemaPattern, |
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2335 final String tableNamePattern |
|
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2336 ) throws SQLException |
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2337 { |
|
332
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2338 final boolean usePrivilege_codesTable = con.privilege_codesTableExists(); |
|
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2339 final StringBuilder query = new StringBuilder(1000); |
|
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2340 query.append("SELECT cast(null as char(1)) AS \"TABLE_CAT\", " + |
|
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2341 "s.\"name\" AS \"TABLE_SCHEM\", " + |
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2342 "t.\"name\" AS \"TABLE_NAME\", " + |
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2343 "grantors.\"name\" AS \"GRANTOR\", " + |
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2344 "grantees.\"name\" AS \"GRANTEE\", ") |
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2345 .append(usePrivilege_codesTable ? "pc.\"privilege_code_name\"" : |
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2346 "cast(CASE p.\"privileges\" " + |
|
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2347 "WHEN 1 THEN 'SELECT' " + |
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2348 "WHEN 2 THEN 'UPDATE' " + |
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2349 "WHEN 4 THEN 'INSERT' " + |
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2350 "WHEN 8 THEN 'DELETE' " + |
|
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2351 "WHEN 16 THEN 'EXECUTE' " + |
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2352 "WHEN 32 THEN 'GRANT' " + |
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2353 "ELSE NULL " + |
|
219
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2354 "END AS varchar(7))").append(" AS \"PRIVILEGE\", " + |
|
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2355 "cast(CASE p.\"grantable\" " + |
|
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2356 "WHEN 0 THEN 'NO' " + |
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2357 "WHEN 1 THEN 'YES' " + |
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2358 "ELSE NULL " + |
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2359 "END AS varchar(3)) AS \"IS_GRANTABLE\" " + |
|
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2360 "FROM \"sys\".\"privileges\" p " + |
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2361 "JOIN \"sys\".\"tables\" t ON p.\"obj_id\" = t.\"id\" " + |
|
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2362 "JOIN \"sys\".\"schemas\" s ON t.\"schema_id\" = s.\"id\" " + |
|
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2363 "JOIN \"sys\".\"auths\" grantors ON p.\"grantor\" = grantors.\"id\" " + |
|
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|
2364 "JOIN \"sys\".\"auths\" grantees ON p.\"auth_id\" = grantees.\"id\" "); |
|
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2365 if (usePrivilege_codesTable) { |
|
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2366 query.append("JOIN \"sys\".\"privilege_codes\" pc ON p.\"privileges\" = pc.\"privilege_code_id\" "); |
|
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2367 } |
|
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2368 |
|
216
116b5a149fb4
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|
2369 if (catalog != null && !catalog.isEmpty()) { |
|
299
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2370 // non-empty catalog selection. |
|
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2371 // as we do not support catalogs this always results in no rows returned |
|
372
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|
2372 query.append("WHERE 1=0"); |
|
216
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2373 } else { |
|
372
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|
2374 boolean needWhere = true; |
|
323
8701024a9bb0
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2375 if (schemaPattern != null && !schemaPattern.equals("%")) { |
|
372
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2376 query.append("WHERE s.\"name\" ").append(composeMatchPart(schemaPattern)); |
|
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2377 needWhere = false; |
|
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2378 } |
|
323
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2379 if (tableNamePattern != null && !tableNamePattern.equals("%")) { |
|
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2380 query.append(needWhere ? "WHERE" : " AND") |
|
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|
2381 .append(" t.\"name\" ").append(composeMatchPart(tableNamePattern)); |
|
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2382 } |
|
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2383 } |
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2384 |
|
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|
2385 query.append(" ORDER BY \"TABLE_SCHEM\", \"TABLE_NAME\", \"PRIVILEGE\""); |
|
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|
2386 |
|
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|
2387 return executeMetaDataQuery(query.toString()); |
|
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2388 } |
|
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2389 |
|
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|
2390 /** |
|
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|
2391 * Get a description of a table's optimal set of columns that |
|
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|
2392 * uniquely identifies a row. They are ordered by SCOPE. |
|
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|
2393 * |
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|
2394 * <P>Each column description has the following columns: |
|
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|
2395 * <OL> |
|
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|
2396 * <LI><B>SCOPE</B> short => actual scope of result |
|
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|
2397 * <UL> |
|
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|
2398 * <LI> bestRowTemporary - very temporary, while using row |
|
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|
2399 * <LI> bestRowTransaction - valid for remainder of current transaction |
|
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|
2400 * <LI> bestRowSession - valid for remainder of current session |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2401 * </UL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
2402 * <LI><B>COLUMN_NAME</B> String => column name |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
2403 * <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
|
2404 * <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
|
2405 * <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
|
2406 * <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
|
2407 * <LI><B>DECIMAL_DIGITS</B> short => scale |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
2408 * <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
|
2409 * like an Oracle ROWID |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2410 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2411 * <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
|
2412 * <LI> bestRowNotPseudo - is NOT a pseudo column |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2413 * <LI> bestRowPseudo - is a pseudo column |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2414 * </UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2415 * </OL> |
|
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.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2417 * @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
|
2418 * @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
|
2419 * @param table a table name |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2420 * @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
|
2421 * @param nullable include columns that are nullable? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2422 * @return ResultSet each row is a column description |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2423 * @throws SQLException if a database error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2424 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2425 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2426 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
|
2427 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
|
2428 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
|
2429 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
|
2430 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
|
2431 final boolean nullable |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2432 ) throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2433 { |
|
652
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2434 /* 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
|
2435 final boolean incltmpkey = (schema == null) |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2436 || (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
|
2437 |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2438 /* 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
|
2439 * 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
|
2440 * 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
|
2441 * 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
|
2442 * 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
|
2443 * 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
|
2444 * 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
|
2445 */ |
|
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
|
2446 |
|
5eb9d54057e6
Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
652
diff
changeset
|
2447 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
|
2448 // 1st cte: syskeys |
|
652
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2449 query.append("with syskeys as (" + |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2450 // all pkeys |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2451 "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
|
2452 "UNION ALL " + |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2453 // and first unique constraint of a table when table has no pkey |
|
900
be8476c1acec
Adapt queries used in JDBC DatabaseMetaData methods getBestRowIdentifier() and getIndexInfo() to include new key_type: 3 = Unique Key With Nulls Not Distinct.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
882
diff
changeset
|
2454 "SELECT \"id\", \"table_id\" FROM \"sys\".\"keys\" WHERE \"type\" IN (1, 3) " + |
|
652
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2455 "AND \"table_id\" NOT IN (select \"table_id\" from \"sys\".\"keys\" where \"type\" = 0) " + |
|
900
be8476c1acec
Adapt queries used in JDBC DatabaseMetaData methods getBestRowIdentifier() and getIndexInfo() to include new key_type: 3 = Unique Key With Nulls Not Distinct.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
882
diff
changeset
|
2456 "AND (\"table_id\", \"id\") IN (select \"table_id\", min(\"id\") from \"sys\".\"keys\" where \"type\" IN (1, 3) group by \"table_id\"))"); |
|
652
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2457 if (incltmpkey) { |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2458 // 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
|
2459 // 2nd cte: tmpkeys |
|
652
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2460 query.append(", tmpkeys as (" + |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2461 "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
|
2462 "UNION ALL " + |
|
900
be8476c1acec
Adapt queries used in JDBC DatabaseMetaData methods getBestRowIdentifier() and getIndexInfo() to include new key_type: 3 = Unique Key With Nulls Not Distinct.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
882
diff
changeset
|
2463 "SELECT \"id\", \"table_id\" FROM \"tmp\".\"keys\" WHERE \"type\" IN (1, 3) " + |
|
652
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2464 "AND \"table_id\" NOT IN (select \"table_id\" from \"tmp\".\"keys\" where \"type\" = 0) " + |
|
900
be8476c1acec
Adapt queries used in JDBC DatabaseMetaData methods getBestRowIdentifier() and getIndexInfo() to include new key_type: 3 = Unique Key With Nulls Not Distinct.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
882
diff
changeset
|
2465 "AND (\"table_id\", \"id\") IN (select \"table_id\", min(\"id\") from \"tmp\".\"keys\" where \"type\" IN (1, 3) 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
|
2466 } |
|
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
|
2467 // 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
|
2468 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
|
2469 "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
|
2470 "FROM \"sys\".\"tables\" t " + |
|
652
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2471 "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
|
2472 "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
|
2473 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
298
diff
changeset
|
2474 // non-empty catalog selection. |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2475 // 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
|
2476 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
|
2477 } 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
|
2478 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
|
2479 || 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
|
2480 || 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
|
2481 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
|
2482 // 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
|
2483 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
|
2484 } |
|
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
|
2485 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
|
2486 // 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
|
2487 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
|
2488 } |
|
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
|
2489 } 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
|
2490 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
|
2491 } |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2492 } |
|
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
|
2493 // 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
|
2494 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
|
2495 "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
|
2496 "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
|
2497 "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
|
2498 "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
|
2499 "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
|
2500 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
|
2501 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
|
2502 } |
|
652
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2503 if (incltmpkey) { |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2504 // 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
|
2505 // 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
|
2506 query.append(" UNION ALL " + |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2507 "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
|
2508 "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
|
2509 "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
|
2510 "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
|
2511 "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
|
2512 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
|
2513 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
|
2514 } |
|
060347aa81ea
By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
645
diff
changeset
|
2515 } |
|
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
|
2516 // 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
|
2517 // (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
|
2518 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
|
2519 "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
|
2520 "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
|
2521 "JOIN \"sys\".\"_columns\" c ON t.\"id\" = c.\"table_id\" " + |
|
900
be8476c1acec
Adapt queries used in JDBC DatabaseMetaData methods getBestRowIdentifier() and getIndexInfo() to include new key_type: 3 = Unique Key With Nulls Not Distinct.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
882
diff
changeset
|
2522 "WHERE t.\"id\" NOT IN (SELECT \"table_id\" FROM \"sys\".\"keys\" WHERE \"type\" in (0, 1, 3))"); |
|
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
|
2523 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
|
2524 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
|
2525 } |
|
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 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
|
2527 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
|
2528 "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
|
2529 "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
|
2530 "JOIN \"tmp\".\"_columns\" c ON t.\"id\" = c.\"table_id\" " + |
|
900
be8476c1acec
Adapt queries used in JDBC DatabaseMetaData methods getBestRowIdentifier() and getIndexInfo() to include new key_type: 3 = Unique Key With Nulls Not Distinct.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
882
diff
changeset
|
2531 "WHERE t.\"id\" NOT IN (SELECT \"table_id\" FROM \"tmp\".\"keys\" WHERE \"type\" in (0, 1, 3))"); |
|
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
|
2532 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
|
2533 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
|
2534 } |
|
5eb9d54057e6
Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
652
diff
changeset
|
2535 } |
|
5eb9d54057e6
Improved DatabaseMetaData.getBestRowIdentifier() further by introducing an extra cte: tableids. It makes it easier to understand/maintain and possibly faster.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
652
diff
changeset
|
2536 // the final select query |
|
652
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2537 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
|
2538 "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
|
2539 "c.\"name\" AS \"COLUMN_NAME\", " + |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2540 "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
|
2541 "c.\"type\" AS \"TYPE_NAME\", " + |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2542 "c.\"type_digits\" AS \"COLUMN_SIZE\", " + |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2543 "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
|
2544 "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
|
2545 "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
|
2546 "FROM cols c " + |
|
6a34d2c36dec
Improved and optimized DatabaseMetaData.getBestRowIdentifier().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
649
diff
changeset
|
2547 "ORDER BY \"SCOPE\", c.\"nr\", \"COLUMN_NAME\""); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2548 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2549 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2550 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2551 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2552 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2553 * Get a description of a table's columns that are automatically |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2554 * updated when any value in a row is updated. They are unordered. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2555 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2556 * <P>Each column description has the following columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2557 * <OL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
2558 * <LI><B>SCOPE</B> short => is not used |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
2559 * <LI><B>COLUMN_NAME</B> String => column name |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
2560 * <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
|
2561 * <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
|
2562 * <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
|
2563 * <LI><B>BUFFER_LENGTH</B> int => length of column value in bytes |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
2564 * <LI><B>DECIMAL_DIGITS</B> short => scale |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
2565 * <LI><B>PSEUDO_COLUMN</B> short => is this a pseudo column like an Oracle ROWID |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2566 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2567 * <LI> versionColumnUnknown - may or may not be pseudo column |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2568 * <LI> versionColumnNotPseudo - is NOT a pseudo column |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2569 * <LI> versionColumnPseudo - is a pseudo column |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2570 * </UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2571 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2572 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2573 * @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
|
2574 * @param schema a schema name; "" retrieves those without a schema |
|
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|
2575 * @param table a table name |
|
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|
2576 * Note that our implementation allows this param to be null also (for efficiency as no extra LIKE '%' condition is added to be evaluated). |
|
0
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diff
changeset
|
2577 * @return ResultSet each row is a column description |
|
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changeset
|
2578 * @throws SQLException if a database error occurs |
|
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|
2579 */ |
|
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changeset
|
2580 @Override |
|
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|
2581 public ResultSet getVersionColumns( |
|
295
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|
2582 final String catalog, |
|
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|
2583 final String schema, |
|
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|
2584 final String table |
|
0
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changeset
|
2585 ) throws SQLException |
|
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|
2586 { |
|
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|
2587 // MonetDB currently does not have columns which update themselves, so return an empty ResultSet |
|
295
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|
2588 final String query = |
|
217
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|
2589 "SELECT cast(0 as smallint) AS \"SCOPE\", " + |
|
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|
2590 "cast(null as char(1)) AS \"COLUMN_NAME\", " + |
|
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|
2591 "cast(0 as int) AS \"DATA_TYPE\", " + |
|
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|
2592 "cast(null as char(1)) AS \"TYPE_NAME\", " + |
|
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|
2593 "cast(0 as int) AS \"COLUMN_SIZE\", " + |
|
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Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
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|
2594 "cast(0 as int) AS \"BUFFER_LENGTH\", " + |
|
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Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
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|
2595 "cast(0 as smallint) AS \"DECIMAL_DIGITS\", " + |
|
7cbd20ff628c
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|
2596 "cast(0 as smallint) AS \"PSEUDO_COLUMN\" " + |
|
352
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|
2597 "WHERE 1=0"; |
|
0
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|
2598 |
|
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|
2599 return executeMetaDataQuery(query); |
|
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|
2600 } |
|
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|
2601 |
|
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|
2602 /** |
|
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changeset
|
2603 * Get a description of a table's primary key columns. They |
|
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parents:
diff
changeset
|
2604 * are ordered by COLUMN_NAME. |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
2605 * |
|
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changeset
|
2606 * <P>Each column description has the following columns: |
|
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|
2607 * <OL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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|
2608 * <LI><B>TABLE_CAT</B> String => table catalog (may be null) |
|
1296dbcc4958
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186
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changeset
|
2609 * <LI><B>TABLE_SCHEM</B> String => table schema (may be null) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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186
diff
changeset
|
2610 * <LI><B>TABLE_NAME</B> String => table name |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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186
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|
2611 * <LI><B>COLUMN_NAME</B> String => column name |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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186
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|
2612 * <LI><B>KEY_SEQ</B> short => sequence number within primary key |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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|
2613 * <LI><B>PK_NAME</B> String => primary key name (may be null) |
|
0
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|
2614 * </OL> |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2615 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2616 * @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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|
2617 * @param schema a schema name pattern; "" retrieves those without a schema |
|
0
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diff
changeset
|
2618 * @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
|
2619 * 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
|
2620 * @return ResultSet each row is a primary key column description |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2621 * @throws SQLException if a database error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
2622 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
2623 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2624 public ResultSet getPrimaryKeys( |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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diff
changeset
|
2625 final String catalog, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
changeset
|
2626 final String schema, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
changeset
|
2627 final String table |
|
0
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diff
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|
2628 ) throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2629 { |
|
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
|
2630 final StringBuilder query = new StringBuilder(1200); |
|
217
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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216
diff
changeset
|
2631 query.append("SELECT cast(null AS char(1)) AS \"TABLE_CAT\", " + |
|
302
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
2632 "s.\"name\" AS \"TABLE_SCHEM\", " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
2633 "t.\"name\" AS \"TABLE_NAME\", " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
2634 "o.\"name\" AS \"COLUMN_NAME\", " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
2635 "cast(1 + o.\"nr\" AS smallint) AS \"KEY_SEQ\", " + |
|
649
060347aa81ea
By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
645
diff
changeset
|
2636 "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
|
2637 "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
|
2638 "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
|
2639 "JOIN \"sys\".\"_tables\" t ON k.\"table_id\" = t.\"id\" " + |
|
302
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
2640 "JOIN \"sys\".\"schemas\" s ON t.\"schema_id\" = s.\"id\" " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
2641 "WHERE k.\"type\" = 0"); // only primary keys (type = 0) |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2642 |
|
216
116b5a149fb4
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
215
diff
changeset
|
2643 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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298
diff
changeset
|
2644 // non-empty catalog selection. |
|
0
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parents:
diff
changeset
|
2645 // as we do not support catalogs this always results in no rows returned |
|
352
f62137dd6050
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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350
diff
changeset
|
2646 query.append(" AND 1=0"); |
|
216
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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215
diff
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|
2647 } 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
changeset
|
2648 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
changeset
|
2649 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>
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215
diff
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|
2650 } |
|
323
8701024a9bb0
In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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306
diff
changeset
|
2651 if (table != null && !table.equals("%")) { |
|
302
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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300
diff
changeset
|
2652 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>
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|
2653 } |
|
0
a5a898f6886c
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changeset
|
2654 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2655 |
|
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
|
2656 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
|
2657 || (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
|
2658 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
|
2659 // 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
|
2660 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
|
2661 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
|
2662 "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
|
2663 "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
|
2664 "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
|
2665 "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
|
2666 "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
|
2667 "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
|
2668 "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
|
2669 "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
|
2670 "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
|
2671 "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
|
2672 |
|
060347aa81ea
By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
645
diff
changeset
|
2673 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
|
2674 // 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
|
2675 // 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
|
2676 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
|
2677 } 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
|
2678 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
|
2679 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
|
2680 } |
|
060347aa81ea
By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
645
diff
changeset
|
2681 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
|
2682 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
|
2683 } |
|
060347aa81ea
By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
645
diff
changeset
|
2684 } |
|
060347aa81ea
By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
645
diff
changeset
|
2685 } |
|
060347aa81ea
By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
645
diff
changeset
|
2686 |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2687 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
|
2688 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2689 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2690 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2691 |
|
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
|
2692 // 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
|
2693 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
|
2694 "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
|
2695 "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
|
2696 "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
|
2697 "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
|
2698 "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
|
2699 "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
|
2700 "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
|
2701 "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
|
2702 "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
|
2703 "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
|
2704 " 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
|
2705 " 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
|
2706 " 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
|
2707 " 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
|
2708 " 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
|
2709 " 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
|
2710 " 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
|
2711 "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
|
2712 " 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
|
2713 " 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
|
2714 " 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
|
2715 " 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
|
2716 " 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
|
2717 " 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
|
2718 " 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
|
2719 "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
|
2720 "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
|
2721 "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
|
2722 "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
|
2723 "JOIN \"sys\".\"objects\" pkkeycol ON pkkey.\"id\" = pkkeycol.\"id\" " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
2724 "JOIN \"sys\".\"tables\" pktable ON pktable.\"id\" = pkkey.\"table_id\" " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
2725 "JOIN \"sys\".\"schemas\" pkschema ON pkschema.\"id\" = pktable.\"schema_id\" " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
2726 "JOIN \"sys\".\"keys\" fkkey ON fkkey.\"rkey\" = pkkey.\"id\" " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
2727 "JOIN \"sys\".\"objects\" fkkeycol ON (fkkey.\"id\" = fkkeycol.\"id\" AND fkkeycol.\"nr\" = pkkeycol.\"nr\") " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
2728 "JOIN \"sys\".\"tables\" fktable ON fktable.\"id\" = fkkey.\"table_id\" " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
2729 "JOIN \"sys\".\"schemas\" fkschema ON fkschema.\"id\" = fktable.\"schema_id\" " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
2730 "WHERE fkkey.\"rkey\" > 0"; // exclude invalid key references, such as -1 |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2731 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2732 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2733 * Get a description of the primary key columns that are |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2734 * referenced by a table's foreign key columns (the primary keys |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2735 * imported by a table). They are ordered by PKTABLE_CAT, |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2736 * PKTABLE_SCHEM, PKTABLE_NAME, and KEY_SEQ. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2737 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2738 * <P>Each primary key column description has the following columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2739 * <OL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
2740 * <LI><B>PKTABLE_CAT</B> String => primary key table catalog |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2741 * being imported (may be null) |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
2742 * <LI><B>PKTABLE_SCHEM</B> String => primary key table schema |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2743 * being imported (may be null) |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
2744 * <LI><B>PKTABLE_NAME</B> String => primary key table name |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2745 * being imported |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
2746 * <LI><B>PKCOLUMN_NAME</B> String => primary key column name |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2747 * being imported |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
2748 * <LI><B>FKTABLE_CAT</B> String => foreign key table catalog (may be null) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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2749 * <LI><B>FKTABLE_SCHEM</B> String => foreign key table schema (may be null) |
|
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2750 * <LI><B>FKTABLE_NAME</B> String => foreign key table name |
|
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|
2751 * <LI><B>FKCOLUMN_NAME</B> String => foreign key column name |
|
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2752 * <LI><B>KEY_SEQ</B> short => sequence number within foreign key |
|
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parents:
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|
2753 * (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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|
2754 * <LI><B>UPDATE_RULE</B> short => What happens to foreign key when primary is updated: |
|
0
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parents:
diff
changeset
|
2755 * <UL> |
|
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parents:
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changeset
|
2756 * <LI> importedKeyNoAction - do not allow update of primary key if it has been imported |
|
405
6242351e8802
Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
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|
2757 * <LI> importedKeyCascade - change imported key to agree with primary key update |
|
6242351e8802
Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
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391
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|
2758 * <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>
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|
2759 * <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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|
2760 * <LI> importedKeySetDefault - change imported key to the default values if its primary key has been updated |
|
0
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diff
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|
2761 * </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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2762 * <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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|
2763 * <UL> |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2764 * <LI> importedKeyNoAction - do not allow delete of primary key if it has been imported |
|
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parents:
diff
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|
2765 * <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
|
2766 * <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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|
2767 * <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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|
2768 * <LI> importedKeySetDefault - change imported key to the default values if its primary key has been deleted |
|
0
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|
2769 * </UL> |
|
194
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2770 * <LI><B>FK_NAME</B> String => foreign key name (may be null) |
|
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2771 * <LI><B>PK_NAME</B> String => primary key name (may be null) |
|
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2772 * <LI><B>DEFERRABILITY</B> short => can the evaluation of foreign key constraints be deferred until commit |
|
0
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|
2773 * <UL> |
|
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parents:
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|
2774 * <LI> importedKeyInitiallyDeferred - see SQL92 for definition |
|
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parents:
diff
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|
2775 * <LI> importedKeyInitiallyImmediate - see SQL92 for definition |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2776 * <LI> importedKeyNotDeferrable - see SQL92 for definition |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2777 * </UL> |
|
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|
2778 * </OL> |
|
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parents:
diff
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|
2779 * |
|
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parents:
diff
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|
2780 * @param catalog a catalog name; "" retrieves those without a catalog |
|
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parents:
diff
changeset
|
2781 * @param schema a schema name pattern; "" retrieves those without a schema |
|
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diff
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|
2782 * @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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|
2783 * 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
|
2784 * @return ResultSet each row is a primary key column description |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2785 * @see #getExportedKeys |
|
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parents:
diff
changeset
|
2786 * @throws SQLException if a database error occurs |
|
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parents:
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|
2787 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2788 @Override |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
2789 public ResultSet getImportedKeys( |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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|
2790 final String catalog, |
|
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Add "final" keyword to method arguments and local variables where possible.
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|
2791 final String schema, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
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|
2792 final String table |
|
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Add "final" keyword to method arguments and local variables where possible.
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|
2793 ) throws SQLException |
|
0
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|
2794 { |
|
295
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|
2795 final StringBuilder query = new StringBuilder(keyQuery.length() + 250); |
|
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|
2796 query.append(keyQuery); |
|
a5a898f6886c
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parents:
diff
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|
2797 |
|
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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|
2798 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
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298
diff
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|
2799 // non-empty catalog selection. |
|
0
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|
2800 // as we do not support catalogs this always results in no rows returned |
|
352
f62137dd6050
Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
350
diff
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|
2801 query.append(" AND 1=0"); |
|
216
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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215
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|
2802 } else { |
|
323
8701024a9bb0
In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
306
diff
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|
2803 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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|
2804 query.append(" AND fkschema.\"name\" ").append(composeMatchPart(schema)); |
|
216
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
215
diff
changeset
|
2805 } |
|
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
|
2806 if (table != null && !table.equals("%")) { |
|
302
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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300
diff
changeset
|
2807 query.append(" AND fktable.\"name\" ").append(composeMatchPart(table)); |
|
216
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
215
diff
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|
2808 } |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2809 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2810 |
|
421
163b784aa93b
Added full ordering to correct issues when retrieving columns from fks where a table has multiple fks to the same table.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
415
diff
changeset
|
2811 // 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
|
2812 // 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
|
2813 query.append(" ORDER BY \"PKTABLE_SCHEM\", \"PKTABLE_NAME\", \"PK_NAME\", \"FKTABLE_SCHEM\", \"FKTABLE_NAME\", \"FK_NAME\", \"KEY_SEQ\""); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2814 |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2815 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
2816 } |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2817 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2818 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2819 * Get a description of a foreign key columns that reference a |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2820 * table's primary key columns (the foreign keys exported by a table). |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2821 * They are ordered by FKTABLE_CAT, FKTABLE_SCHEM, FKTABLE_NAME, and KEY_SEQ. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
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|
2822 * |
|
a5a898f6886c
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diff
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|
2823 * <P>Each foreign key column description has the following columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2824 * <OL> |
|
194
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|
2825 * <LI><B>PKTABLE_CAT</B> String => primary key table catalog (may be null) |
|
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diff
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|
2826 * <LI><B>PKTABLE_SCHEM</B> String => primary key table schema (may be null) |
|
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|
2827 * <LI><B>PKTABLE_NAME</B> String => primary key table name |
|
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|
2828 * <LI><B>PKCOLUMN_NAME</B> String => primary key column name |
|
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|
2829 * <LI><B>FKTABLE_CAT</B> String => foreign key table catalog (may be null) |
|
0
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|
2830 * being exported (may be null) |
|
194
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|
2831 * <LI><B>FKTABLE_SCHEM</B> String => foreign key table schema (may be null) |
|
0
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|
2832 * being exported (may be null) |
|
194
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|
2833 * <LI><B>FKTABLE_NAME</B> String => foreign key table name |
|
0
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|
2834 * being exported |
|
194
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|
2835 * <LI><B>FKCOLUMN_NAME</B> String => foreign key column name |
|
0
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|
2836 * being exported |
|
194
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|
2837 * <LI><B>KEY_SEQ</B> short => sequence number within foreign key |
|
0
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diff
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|
2838 * (a value of 1 represents the first column of the foreign key, a value of 2 would represent the second column within the foreign key). |
|
405
6242351e8802
Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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391
diff
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|
2839 * <LI><B>UPDATE_RULE</B> short => What happens to foreign key when primary is updated: |
|
0
a5a898f6886c
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|
2840 * <UL> |
|
a5a898f6886c
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changeset
|
2841 * <LI> importedKeyNoAction - do not allow update of primary key if it has been imported |
|
405
6242351e8802
Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
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391
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2842 * <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>
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391
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|
2843 * <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>
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391
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|
2844 * <LI> importedKeySetNull - change imported key to NULL if its primary key has been updated |
|
6242351e8802
Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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391
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|
2845 * <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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diff
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|
2846 * </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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|
2847 * <LI><B>DELETE_RULE</B> short => What happens to the foreign key when primary is deleted. |
|
0
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parents:
diff
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|
2848 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2849 * <LI> importedKeyNoAction - do not allow delete of primary key if it has been imported |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2850 * <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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|
2851 * <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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|
2852 * <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
diff
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|
2853 * <LI> importedKeySetDefault - change imported key to the default values if its primary key has been deleted |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2854 * </UL> |
|
194
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|
2855 * <LI><B>FK_NAME</B> String => foreign key identifier (may be null) |
|
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|
2856 * <LI><B>PK_NAME</B> String => primary key identifier (may be null) |
|
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|
2857 * <LI><B>DEFERRABILITY</B> short => can the evaluation of foreign key constraints be deferred until commit |
|
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|
2858 * <UL> |
|
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|
2859 * <LI> importedKeyInitiallyDeferred - see SQL92 for definition |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2860 * <LI> importedKeyInitiallyImmediate - see SQL92 for definition |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2861 * <LI> importedKeyNotDeferrable - see SQL92 for definition |
|
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|
2862 * </UL> |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2863 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
2864 * |
|
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|
2865 * @param catalog a catalog name; "" retrieves those without a catalog |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2866 * @param schema a schema name pattern; "" retrieves those without a schema |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2867 * @param table a table name |
|
371
67fa5c6147d7
Correct SQL syntax in comment (LIKE "%" is not valid SQL in WHERE clause)
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|
2868 * 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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changeset
|
2869 * @return ResultSet each row is a foreign key column description |
|
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parents:
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|
2870 * @see #getImportedKeys |
|
a5a898f6886c
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parents:
diff
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|
2871 * @throws SQLException if a database error occurs |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2872 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2873 @Override |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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|
2874 public ResultSet getExportedKeys( |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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|
2875 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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|
2876 final String schema, |
|
371
67fa5c6147d7
Correct SQL syntax in comment (LIKE "%" is not valid SQL in WHERE clause)
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370
diff
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|
2877 final String table |
|
295
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Add "final" keyword to method arguments and local variables where possible.
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|
2878 ) throws SQLException |
|
0
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|
2879 { |
|
295
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Add "final" keyword to method arguments and local variables where possible.
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|
2880 final StringBuilder query = new StringBuilder(keyQuery.length() + 250); |
|
0
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|
2881 query.append(keyQuery); |
|
a5a898f6886c
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parents:
diff
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|
2882 |
|
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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|
2883 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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|
2884 // non-empty catalog selection. |
|
0
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parents:
diff
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|
2885 // as we do not support catalogs this always results in no rows returned |
|
352
f62137dd6050
Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
350
diff
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|
2886 query.append(" AND 1=0"); |
|
216
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
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|
2887 } 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
|
2888 if (schema != null && !schema.equals("%")) { |
|
302
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
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|
2889 query.append(" AND pkschema.\"name\" ").append(composeMatchPart(schema)); |
|
216
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
215
diff
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|
2890 } |
|
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
|
2891 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
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|
2892 query.append(" AND pktable.\"name\" ").append(composeMatchPart(table)); |
|
216
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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215
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|
2893 } |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
2894 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
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|
2895 |
|
421
163b784aa93b
Added full ordering to correct issues when retrieving columns from fks where a table has multiple fks to the same table.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
415
diff
changeset
|
2896 // 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
|
2897 // 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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|
2898 query.append(" ORDER BY \"FKTABLE_SCHEM\", \"FKTABLE_NAME\", \"FK_NAME\", \"PKTABLE_SCHEM\", \"PKTABLE_NAME\", \"PK_NAME\", \"KEY_SEQ\""); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2899 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2900 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
2901 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
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|
2902 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2903 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2904 * Get a description of the foreign key columns in the foreign key |
|
a5a898f6886c
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parents:
diff
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|
2905 * table that reference the primary key columns of the primary key |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2906 * table. (describe how one table imports another's key) This |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2907 * should normally return a single foreign key/primary key pair |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
2908 * (most tables only import a foreign key from a table once.) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
2909 * They are ordered by FKTABLE_CAT, FKTABLE_SCHEM, FKTABLE_NAME, and KEY_SEQ. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
2910 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2911 * <P>Each foreign key column description has the following columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2912 * <OL> |
|
194
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|
2913 * <LI><B>PKTABLE_CAT</B> String => primary key table catalog (may be null) |
|
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|
2914 * <LI><B>PKTABLE_SCHEM</B> String => primary key table schema (may be null) |
|
1296dbcc4958
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|
2915 * <LI><B>PKTABLE_NAME</B> String => primary key table name |
|
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|
2916 * <LI><B>PKCOLUMN_NAME</B> String => primary key column name |
|
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2917 * <LI><B>FKTABLE_CAT</B> String => foreign key table catalog (may be null) |
|
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|
2918 * being exported (may be null) |
|
194
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|
2919 * <LI><B>FKTABLE_SCHEM</B> String => foreign key table schema (may be null) |
|
0
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|
2920 * being exported (may be null) |
|
194
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|
2921 * <LI><B>FKTABLE_NAME</B> String => foreign key table name |
|
0
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|
2922 * being exported |
|
194
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|
2923 * <LI><B>FKCOLUMN_NAME</B> String => foreign key column name |
|
0
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|
2924 * being exported |
|
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2925 * <LI><B>KEY_SEQ</B> short => sequence number within foreign key |
|
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|
2926 * (a value of 1 represents the first column of the foreign key, a value of 2 would represent the second column within the foreign key). |
|
405
6242351e8802
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|
2927 * <LI><B>UPDATE_RULE</B> short => What happens to foreign key when primary is updated: |
|
0
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|
2928 * <UL> |
|
a5a898f6886c
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|
2929 * <LI> importedKeyNoAction - do not allow update of primary key if it has been imported |
|
405
6242351e8802
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|
2930 * <LI> importedKeyCascade - change imported key to agree with primary key update |
|
6242351e8802
Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
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391
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|
2931 * <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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|
2932 * <LI> importedKeySetNull - change imported key to NULL if its primary key has been updated |
|
6242351e8802
Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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391
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|
2933 * <LI> importedKeySetDefault - change imported key to the default values if its primary key has been updated |
|
0
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|
2934 * </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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|
2935 * <LI><B>DELETE_RULE</B> short => What happens to the foreign key when primary is deleted. |
|
0
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parents:
diff
changeset
|
2936 * <UL> |
|
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parents:
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changeset
|
2937 * <LI> importedKeyNoAction - do not allow delete of primary key if it has been imported |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2938 * <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
|
2939 * <LI> importedKeyRestrict - same as importedKeyNoAction (for ODBC 2.x compatibility) |
|
6242351e8802
Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
391
diff
changeset
|
2940 * <LI> importedKeySetNull - change imported key to NULL if its primary key has been deleted |
|
6242351e8802
Corrected output of resultset columns UPDATE_RULE and DELETE_RULE when calling DatabaseMetaData API methods getImportedKeys() or getExportedKeys() or getCrossReference().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
391
diff
changeset
|
2941 * <LI> importedKeySetDefault - change imported key to the default values if its primary key has been deleted |
|
0
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|
2942 * </UL> |
|
194
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|
2943 * <LI><B>FK_NAME</B> String => foreign key identifier (may be null) |
|
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|
2944 * <LI><B>PK_NAME</B> String => primary key identifier (may be null) |
|
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|
2945 * <LI><B>DEFERRABILITY</B> short => can the evaluation of foreign key constraints be deferred until commit |
|
0
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
2946 * <UL> |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2947 * <LI> importedKeyInitiallyDeferred - see SQL92 for definition |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
2948 * <LI> importedKeyInitiallyImmediate - see SQL92 for definition |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2949 * <LI> importedKeyNotDeferrable - see SQL92 for definition |
|
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parents:
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|
2950 * </UL> |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2951 * </OL> |
|
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parents:
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changeset
|
2952 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2953 * @param pcatalog primary 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
changeset
|
2954 * @param pschema primary key schema name pattern; "" retrieves those without a schema |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2955 * @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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diff
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|
2956 * 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
|
2957 * @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
changeset
|
2958 * @param fschema foreign key schema name pattern; "" retrieves those without a schema |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2959 * @param ftable koreign key table name |
|
371
67fa5c6147d7
Correct SQL syntax in comment (LIKE "%" is not valid SQL in WHERE clause)
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|
2960 * 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
|
2961 * @return ResultSet each row is a foreign key column description |
|
a5a898f6886c
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parents:
diff
changeset
|
2962 * @throws SQLException if a database error occurs |
|
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parents:
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changeset
|
2963 * @see #getImportedKeys |
|
a5a898f6886c
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|
2964 */ |
|
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parents:
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|
2965 @Override |
|
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|
2966 public ResultSet getCrossReference( |
|
295
003ae6d881db
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|
2967 final String pcatalog, |
|
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|
2968 final String pschema, |
|
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|
2969 final String ptable, |
|
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|
2970 final String fcatalog, |
|
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|
2971 final String fschema, |
|
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|
2972 final String ftable |
|
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|
2973 ) throws SQLException |
|
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|
2974 { |
|
295
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|
2975 final StringBuilder query = new StringBuilder(keyQuery.length() + 350); |
|
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|
2976 query.append(keyQuery); |
|
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|
2977 |
|
216
116b5a149fb4
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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215
diff
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|
2978 if ((pcatalog != null && !pcatalog.isEmpty()) |
|
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
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|
2979 || (fcatalog != null && !fcatalog.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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|
2980 // non-empty catalog selection. |
|
0
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parents:
diff
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|
2981 // 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
|
2982 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
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|
2983 } 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
|
2984 if (pschema != null && !pschema.equals("%")) { |
|
302
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
2985 query.append(" AND pkschema.\"name\" ").append(composeMatchPart(pschema)); |
|
216
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
215
diff
changeset
|
2986 } |
|
323
8701024a9bb0
In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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306
diff
changeset
|
2987 if (ptable != null && !ptable.equals("%")) { |
|
302
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
2988 query.append(" AND pktable.\"name\" ").append(composeMatchPart(ptable)); |
|
216
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
215
diff
changeset
|
2989 } |
|
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
215
diff
changeset
|
2990 |
|
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
|
2991 if (fschema != null && !fschema.equals("%")) { |
|
302
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
2992 query.append(" AND fkschema.\"name\" ").append(composeMatchPart(fschema)); |
|
216
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
215
diff
changeset
|
2993 } |
|
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
|
2994 if (ftable != null && !ftable.equals("%")) { |
|
302
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
2995 query.append(" AND fktable.\"name\" ").append(composeMatchPart(ftable)); |
|
216
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
215
diff
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|
2996 } |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2997 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2998 |
|
421
163b784aa93b
Added full ordering to correct issues when retrieving columns from fks where a table has multiple fks to the same table.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
415
diff
changeset
|
2999 // 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
|
3000 // 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
|
3001 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
|
3002 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3003 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3004 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3005 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3006 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3007 * 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
|
3008 * 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
|
3009 * 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
|
3010 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3011 * If the database supports SQL distinct types, then getTypeInfo() will |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3012 * 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.
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diff
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|
3013 * If the database supports SQL structured types, then getTypeInfo() will |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3014 * return a single row with a TYPE_NAME of STRUCT and a DATA_TYPE of Types.STRUCT. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
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|
3015 * If SQL distinct or structured types are supported, then information on |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
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|
3016 * the individual types may be obtained from the getUDTs() method. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
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|
3017 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3018 * <P>Each type description has the following columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
3019 * <OL> |
|
194
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|
3020 * <LI><B>TYPE_NAME</B> String => Type name |
|
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|
3021 * <LI><B>DATA_TYPE</B> int => SQL data type from java.sql.Types |
|
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|
3022 * <LI><B>PRECISION</B> int => maximum precision |
|
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|
3023 * <LI><B>LITERAL_PREFIX</B> String => prefix used to quote a literal (may be null) |
|
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diff
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|
3024 * <LI><B>LITERAL_SUFFIX</B> String => suffix used to quote a literal (may be null) |
|
1296dbcc4958
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|
3025 * <LI><B>CREATE_PARAMS</B> String => parameters used in creating |
|
0
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|
3026 * 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
|
3027 * <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
|
3028 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3029 * <LI> typeNoNulls - does not allow NULL values |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3030 * <LI> typeNullable - allows NULL values |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3031 * <LI> typeNullableUnknown - nullability unknown |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3032 * </UL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3033 * <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
|
3034 * <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
|
3035 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3036 * <LI> typePredNone - No support |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3037 * <LI> typePredChar - Only supported with WHERE .. LIKE |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3038 * <LI> typePredBasic - Supported except for WHERE .. LIKE |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3039 * <LI> typeSearchable - Supported for all WHERE .. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3040 * </UL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3041 * <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
|
3042 * <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
|
3043 * <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
|
3044 * 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
|
3045 * <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
|
3046 * (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
|
3047 * <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
|
3048 * <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
|
3049 * <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
|
3050 * <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
|
3051 * <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
|
3052 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3053 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3054 * @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
|
3055 * @throws SQLException if a database error occurs |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3056 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3057 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3058 public ResultSet getTypeInfo() throws SQLException { |
|
882
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3059 final StringBuilder query = new StringBuilder(4816); |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3060 query.append("SELECT \"sqlname\" AS \"TYPE_NAME\", " + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3061 "cast(").append(MonetDriver.getSQLTypeMap("\"sqlname\"")).append(" AS int) AS \"DATA_TYPE\", " + |
|
818
4117aa40a6b9
Fix the computed CHAR_OCTET_LENGTH value of resultsets returned by getColumns(), getFunctionColumns() and getProcedureColumns().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
817
diff
changeset
|
3062 "cast(CASE WHEN \"sqlname\" IN ('time','timetz','timestamp','timestamptz') THEN \"digits\" -1" + |
|
882
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3063 " ELSE \"digits\" END AS int) AS \"PRECISION\", " + // note that when radix is 2 the precision shows the number of bits |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3064 "cast(CASE WHEN \"sqlname\" IN ('char','varchar') THEN ''''" + |
|
642
dd9b4fb14256
Added recognition of 'xml' type.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
626
diff
changeset
|
3065 " 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
|
3066 " ELSE NULL END AS varchar(16)) AS \"LITERAL_PREFIX\", " + |
|
882
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3067 "cast(CASE WHEN \"sqlname\" IN ('char','varchar','clob','inet','json','url','uuid','date','time','timetz','timestamp','timestamptz','blob','sqlblob','xml') THEN ''''" + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3068 " 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
|
3069 "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
|
3070 " WHEN \"sqlname\" = 'decimal' THEN 'precision, scale'" + |
|
882
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3071 " WHEN \"sqlname\" IN ('time','timetz','timestamp','timestamptz') THEN 'scale'" + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3072 " 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
|
3073 "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
|
3074 " 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
|
3075 "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
|
3076 "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
|
3077 " ELSE " + DatabaseMetaData.typePredBasic + " END AS smallint) AS \"SEARCHABLE\", " + |
|
882
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3078 "CASE WHEN \"sqlname\" IN ('tinyint','smallint','int','bigint','hugeint','decimal','real','double') THEN false ELSE true END AS \"UNSIGNED_ATTRIBUTE\", " + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3079 "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
|
3080 "CASE WHEN \"sqlname\" IN ('tinyint','smallint','int','bigint') THEN true ELSE false END AS \"AUTO_INCREMENT\", " + |
|
882
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3081 "\"systemname\" AS \"LOCAL_TYPE_NAME\", " + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3082 "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
|
3083 "cast(CASE WHEN \"sqlname\" = 'decimal' THEN (CASE \"systemname\" WHEN 'int' THEN 9 WHEN 'lng' THEN 18 WHEN 'sht' THEN 4 WHEN 'hge' THEN 38 WHEN 'bte' THEN 2 ELSE 0 END)" + |
|
818
4117aa40a6b9
Fix the computed CHAR_OCTET_LENGTH value of resultsets returned by getColumns(), getFunctionColumns() and getProcedureColumns().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
817
diff
changeset
|
3084 " WHEN \"sqlname\" IN ('time','timetz','timestamp','timestamptz') THEN 6" + |
|
882
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3085 " 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
|
3086 "cast(0 AS int) AS \"SQL_DATA_TYPE\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3087 "cast(0 AS int) AS \"SQL_DATETIME_SUB\", " + |
|
882
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3088 "cast(CASE WHEN \"sqlname\" IN ('time','timetz','timestamp','timestamptz') THEN 10 ELSE \"radix\" END AS int) AS \"NUM_PREC_RADIX\" " + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3089 "FROM \"sys\".\"types\" " + |
|
882
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3090 // exclude the 3 interval types here as they are added next |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3091 "WHERE \"sqlname\" NOT IN ('sec_interval','day_interval','month_interval') " + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3092 "UNION ALL " + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3093 // add the 13 interval types (like done in ODBC SQLGetTypeInfo()) |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3094 "SELECT \"TYPE_NAME\", 1111 AS \"DATA_TYPE\", PRECISION, 'interval ''' AS LITERAL_PREFIX, LITERAL_SUFFIX, CREATE_PARAMS, " + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3095 DatabaseMetaData.typeNullable + " AS NULLABLE, false AS CASE_SENSITIVE, " + DatabaseMetaData.typePredBasic + " AS SEARCHABLE, " + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3096 "false AS UNSIGNED_ATTRIBUTE, false AS FIXED_PREC_SCALE, false AS \"AUTO_INCREMENT\", LOCAL_TYPE_NAME, 0 AS MINIMUM_SCALE, " + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3097 "MAXIMUM_SCALE, 0 AS SQL_DATA_TYPE, 0 AS SQL_DATETIME_SUB, 10 AS NUM_PREC_RADIX " + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3098 "FROM (VALUES" + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3099 " ('interval year', 6, ''' year', CAST(NULL AS VARCHAR(5)), 'month_interval', 0)" + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3100 ",('interval month', 8, ''' month', NULL, 'month_interval', 0)" + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3101 ",('interval day', 10, ''' day', NULL, 'day_interval', 0)" + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3102 ",('interval hour', 12, ''' hour', NULL, 'sec_interval', 0)" + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3103 ",('interval minute', 12, ''' minute', NULL, 'sec_interval', 0)" + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3104 ",('interval second', 15, ''' second', 'scale', 'sec_interval', 3)" + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3105 ",('interval year to month', 8, ''' year to month', NULL, 'month_interval', 0)" + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3106 ",('interval day to hour', 12, ''' day to hour', NULL, 'sec_interval', 0)" + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3107 ",('interval day to minute', 12, ''' day to minute', NULL, 'sec_interval', 0)" + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3108 ",('interval day to second', 15, ''' day to second', 'scale', 'sec_interval', 3)" + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3109 ",('interval hour to minute', 12, ''' hour to minute', NULL, 'sec_interval', 0)" + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3110 ",('interval hour to second', 15, ''' hour to second', 'scale', 'sec_interval', 3)" + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3111 ",('interval minute to second', 15, ''' minute to second', 'scale', 'sec_interval', 3)" + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3112 ") AS interval_types(\"TYPE_NAME\", PRECISION, LITERAL_SUFFIX, CREATE_PARAMS, LOCAL_TYPE_NAME, MAXIMUM_SCALE) " + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3113 "UNION ALL " + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3114 // also add the 2 serial types (like done in ODBC SQLGetTypeInfo()) |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3115 "SELECT \"TYPE_NAME\", \"DATA_TYPE\", PRECISION, NULL AS LITERAL_PREFIX, NULL AS LITERAL_SUFFIX, NULL AS CREATE_PARAMS, " + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3116 DatabaseMetaData.typeNoNulls + " AS NULLABLE, false AS CASE_SENSITIVE, " + DatabaseMetaData.typePredBasic + " AS SEARCHABLE, " + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3117 "false AS UNSIGNED_ATTRIBUTE, false AS FIXED_PREC_SCALE, true AS \"AUTO_INCREMENT\", LOCAL_TYPE_NAME, 0 AS MINIMUM_SCALE, " + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3118 "0 AS MAXIMUM_SCALE, 0 AS SQL_DATA_TYPE, 0 AS SQL_DATETIME_SUB, 2 AS NUM_PREC_RADIX " + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3119 "FROM (VALUES" + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3120 " ('bigserial', -5, 64, 'bigint')" + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3121 ",('serial', 4, 32, 'int')" + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3122 ") AS serial_types(\"TYPE_NAME\", \"DATA_TYPE\", PRECISION, LOCAL_TYPE_NAME) " + |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3123 "ORDER BY \"DATA_TYPE\", \"TYPE_NAME\""); |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3124 |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3125 // System.err.println("getTypeInfo() query: " + query.toString()); |
|
cd6e5449fb1a
Improved DatabaseMetaData.getTypeInfo(). It now also returns the serial and bigserial data types and all 13 possible interval data types.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
874
diff
changeset
|
3126 // if (query.length() >= 4800) System.err.println("getTypeInfo(), extend query initial size to: " + query.length()); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3127 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3128 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3129 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3130 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3131 * 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
|
3132 * 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
|
3133 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3134 * <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
|
3135 * <OL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3136 * <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
|
3137 * <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
|
3138 * <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
|
3139 * <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
|
3140 * false when TYPE is tableIndexStatistic |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3141 * <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
|
3142 * 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
|
3143 * <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
|
3144 * tableIndexStatistic |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3145 * <LI><B>TYPE</B> short => index type: |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3146 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3147 * <LI> tableIndexStatistic - this identifies table statistics that are |
| 943 | 3148 * returned in conjunction with a table's index descriptions |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3149 * <LI> tableIndexClustered - this is a clustered index |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3150 * <LI> tableIndexHashed - this is a hashed index |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3151 * <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
|
3152 * </UL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3153 * <LI><B>ORDINAL_POSITION</B> short => column sequence number |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3154 * 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
|
3155 * <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
|
3156 * 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>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
|
3158 * "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
|
3159 * 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
|
3160 * <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
|
3161 * 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
|
3162 * 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
|
3163 * <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
|
3164 * 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
|
3165 * 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
|
3166 * <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
|
3167 * (may be null) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3168 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3169 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3170 * @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
|
3171 * @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
|
3172 * @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
|
3173 * 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
|
3174 * @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
|
3175 * 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
|
3176 * @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
|
3177 * 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
|
3178 * accurate |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3179 * @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
|
3180 * @throws SQLException if a database occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3181 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3182 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3183 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
|
3184 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
|
3185 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
|
3186 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
|
3187 final boolean unique, |
|
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
|
3188 final boolean approximate |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3189 ) throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3190 { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3191 String table_row_count = "0"; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3192 |
|
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
|
3193 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
|
3194 && 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
|
3195 && table != null && !table.isEmpty() && !table.contains("%")) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3196 // 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
|
3197 ResultSet count = null; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3198 try { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3199 count = executeMetaDataQuery("SELECT COUNT(*) FROM \"" + schema + "\".\"" + table + "\""); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3200 if (count != null && count.next()) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3201 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
|
3202 if (count_value != null && !count_value.isEmpty()) |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3203 table_row_count = count_value; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3204 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3205 } catch (SQLException e) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3206 // ignore |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3207 } 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
|
3208 MonetConnection.closeResultsetStatement(count, null); |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3209 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3210 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3211 |
|
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
|
3212 final StringBuilder query = new StringBuilder(2500); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3213 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
|
3214 "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
|
3215 "s.\"name\" AS \"TABLE_SCHEM\", " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
3216 "t.\"name\" AS \"TABLE_NAME\", " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
3217 "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
|
3218 "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
|
3219 "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
|
3220 "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
|
3221 "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
|
3222 "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
|
3223 "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
|
3224 "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
|
3225 "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
|
3226 "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
|
3227 "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
|
3228 "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
|
3229 "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
|
3230 "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
|
3231 "JOIN \"sys\".\"_columns\" c ON (t.\"id\" = c.\"table_id\" AND o.\"name\" = c.\"name\") " + |
|
900
be8476c1acec
Adapt queries used in JDBC DatabaseMetaData methods getBestRowIdentifier() and getIndexInfo() to include new key_type: 3 = Unique Key With Nulls Not Distinct.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
882
diff
changeset
|
3232 "LEFT OUTER JOIN \"sys\".\"keys\" k ON (i.\"name\" = k.\"name\" AND i.\"table_id\" = k.\"table_id\" AND k.\"type\" IN (0, 1, 3)) "); // primary (0) and unique keys (1 or 3) only |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3233 |
|
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
|
3234 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
298
diff
changeset
|
3235 // non-empty catalog selection. |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3236 // 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
|
3237 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
|
3238 } 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
|
3239 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
|
3240 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
|
3241 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
|
3242 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
|
3243 } |
|
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
|
3244 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
|
3245 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
|
3246 .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
|
3247 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
|
3248 } |
|
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 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
|
3250 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
|
3251 .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
|
3252 } |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3253 } |
|
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
|
3254 |
|
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
|
3255 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
|
3256 || (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
|
3257 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
|
3258 // 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
|
3259 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
|
3260 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
|
3261 "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
|
3262 "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
|
3263 "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
|
3264 "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
|
3265 "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
|
3266 "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
|
3267 "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
|
3268 "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
|
3269 "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
|
3270 "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
|
3271 "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
|
3272 "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
|
3273 "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
|
3274 "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
|
3275 "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
|
3276 "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
|
3277 "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
|
3278 "JOIN \"tmp\".\"_columns\" c ON (t.\"id\" = c.\"table_id\" AND o.\"name\" = c.\"name\") " + |
|
900
be8476c1acec
Adapt queries used in JDBC DatabaseMetaData methods getBestRowIdentifier() and getIndexInfo() to include new key_type: 3 = Unique Key With Nulls Not Distinct.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
882
diff
changeset
|
3279 "LEFT OUTER JOIN \"tmp\".\"keys\" k ON (i.\"name\" = k.\"name\" AND i.\"table_id\" = k.\"table_id\" AND k.\"type\" IN (0, 1, 3)) "); // primary (0) and unique keys (1 or 3) only |
|
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
|
3280 |
|
060347aa81ea
By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it 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 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
|
3282 // 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
|
3283 // 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
|
3284 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
|
3285 } 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
|
3286 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
|
3287 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
|
3288 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
|
3289 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
|
3290 } |
|
060347aa81ea
By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it 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 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
|
3292 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
|
3293 .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
|
3294 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
|
3295 } |
|
060347aa81ea
By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it 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 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
|
3297 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
|
3298 .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
|
3299 } |
|
060347aa81ea
By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
645
diff
changeset
|
3300 } |
|
060347aa81ea
By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
645
diff
changeset
|
3301 } |
|
060347aa81ea
By fixing methods getPrimaryKeys(), getBestRowIdentifier() and getIndexInfo() for local temporary tables, it also caused it to fail for global temporary tables in schema tmp.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
645
diff
changeset
|
3302 |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3303 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
|
3304 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3305 return executeMetaDataQuery(query.toString()); |
|
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 //== 1.2 methods (JDBC 2) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3309 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3310 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3311 * Does the database support the given result set type? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3312 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3313 * @param type - defined in java.sql.ResultSet |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3314 * @return true if so; false otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3315 * @throws SQLException - if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3316 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3317 @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
|
3318 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
|
3319 // The only type we don't support |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3320 return type != ResultSet.TYPE_SCROLL_SENSITIVE; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3321 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3322 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3323 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3324 * 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
|
3325 * with the given result set type? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3326 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3327 * @param type - defined in java.sql.ResultSet |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3328 * @param concurrency - type defined in java.sql.ResultSet |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3329 * @return true if so; false otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3330 * @throws SQLException - if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3331 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3332 @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
|
3333 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
|
3334 throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3335 { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3336 // These combinations are not supported! |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3337 if (type == ResultSet.TYPE_SCROLL_SENSITIVE) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3338 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3339 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3340 // We do only support Read Only ResultSets |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3341 if (concurrency != ResultSet.CONCUR_READ_ONLY) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3342 return false; |
|
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 // 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
|
3345 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3346 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3347 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3348 /* lots of unsupported stuff... (no updatable ResultSet!) */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3349 @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
|
3350 public boolean ownUpdatesAreVisible(final int type) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3351 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3352 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3353 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3354 @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
|
3355 public boolean ownDeletesAreVisible(final int type) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3356 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3357 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3358 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3359 @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
|
3360 public boolean ownInsertsAreVisible(final int type) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3361 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3362 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3363 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3364 @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
|
3365 public boolean othersUpdatesAreVisible(final int type) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3366 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3367 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3368 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3369 @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
|
3370 public boolean othersDeletesAreVisible(final int i) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3371 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3372 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3373 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3374 @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
|
3375 public boolean othersInsertsAreVisible(final int type) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3376 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3377 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3378 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3379 @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
|
3380 public boolean updatesAreDetected(final int type) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3381 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3382 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3383 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3384 @Override |
|
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
|
3385 public boolean deletesAreDetected(final int i) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3386 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3387 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3388 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3389 @Override |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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|
3390 public boolean insertsAreDetected(final int type) { |
|
0
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parents:
diff
changeset
|
3391 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3392 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3393 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3394 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3395 * Indicates whether the driver supports batch updates. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3396 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3397 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3398 public boolean supportsBatchUpdates() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3399 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3400 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3401 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3402 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3403 * Retrieves a description of the user-defined types (UDTs) defined in a particular schema. |
|
a5a898f6886c
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parents:
diff
changeset
|
3404 * Schema-specific UDTs may have type JAVA_OBJECT, STRUCT, or DISTINCT. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3405 * Only types matching the catalog, schema, type name and type criteria are returned. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3406 * 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
|
3407 * The type name parameter may be a fully-qualified name. In this case, the catalog and schemaPattern parameters are ignored. |
|
a5a898f6886c
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parents:
diff
changeset
|
3408 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3409 * Each type description has the following columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
3410 * |
|
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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|
3411 * 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
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|
3412 * 2 TYPE_SCHEM String => type's schema (may be null) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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186
diff
changeset
|
3413 * 3 TYPE_NAME String => type name |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
3414 * 4 CLASS_NAME String => Java class name |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
changeset
|
3415 * 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
|
3416 * 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>
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186
diff
changeset
|
3417 * 7 BASE_TYPE short => type code of the source type of a DISTINCT type or the type that implements the |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3418 * 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
|
3419 * 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.
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parents:
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changeset
|
3420 * |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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parents:
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|
3421 * @throws SQLException - if a database access error occurs |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3422 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3423 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3424 public ResultSet getUDTs( |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
changeset
|
3425 final String catalog, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
changeset
|
3426 final String schemaPattern, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
changeset
|
3427 final String typeNamePattern, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
changeset
|
3428 final int[] types |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3429 ) throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3430 { |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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diff
changeset
|
3431 final StringBuilder query = new StringBuilder(990); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3432 if (types != null && types.length > 0) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3433 query.append("SELECT * FROM ("); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3434 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3435 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
|
3436 "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
|
3437 "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
|
3438 "CASE t.\"sqlname\"" + |
|
642
dd9b4fb14256
Added recognition of 'xml' type.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
626
diff
changeset
|
3439 // 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
|
3440 " WHEN 'xml' THEN 'java.lang.String'" + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3441 " 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
|
3442 "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
|
3443 " 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
|
3444 "t.\"systemname\" AS \"REMARKS\", " + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3445 "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
|
3446 "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
|
3447 "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
|
3448 // 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
|
3449 "WHERE t.\"id\" > 99" + |
|
2b763b189452
Corrected DatabaseMetaData.getUDTs() output.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
716
diff
changeset
|
3450 " AND t.\"eclass\" >= 18" + |
|
2b763b189452
Corrected DatabaseMetaData.getUDTs() output.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
716
diff
changeset
|
3451 " 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
|
3452 |
|
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
|
3453 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
298
diff
changeset
|
3454 // non-empty catalog selection. |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3455 // 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
|
3456 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
|
3457 } 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
|
3458 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
|
3459 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
|
3460 } |
|
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
|
3461 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
|
3462 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
|
3463 } |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3464 } |
|
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
|
3465 |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3466 if (types != null && types.length > 0) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3467 query.append(") AS getUDTs WHERE \"DATA_TYPE\" IN ("); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3468 for (int i = 0; i < types.length; i++) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3469 if (i > 0) { |
|
767
1547843b3a9b
Removed code to support old MonetDB servers Oct2014 or older.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
761
diff
changeset
|
3470 query.append(','); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3471 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3472 query.append(types[i]); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3473 } |
|
767
1547843b3a9b
Removed code to support old MonetDB servers Oct2014 or older.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
761
diff
changeset
|
3474 query.append(')'); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3475 } |
|
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
|
3476 |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3477 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
|
3478 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3479 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3480 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3481 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3482 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3483 * Retrieves the connection that produced this metadata object. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3484 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3485 * @return the connection that produced this metadata object |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3486 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3487 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3488 public Connection getConnection() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3489 return con; |
|
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 //== 1.4 methods (JDBC 3) |
|
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 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3495 * Retrieves whether this database supports savepoints. |
|
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 * @return <code>true</code> if savepoints are supported; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3498 * <code>false</code> otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3499 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3500 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3501 public boolean supportsSavepoints() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3502 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3503 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3504 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3505 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3506 * 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
|
3507 * statements. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3508 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3509 * @return <code>true</code> if named parameters are supported; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3510 * <code>false</code> otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3511 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3512 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3513 public boolean supportsNamedParameters() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3514 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3515 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3516 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3517 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3518 * Retrieves whether it is possible to have multiple <code>ResultSet</code> objects |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3519 * returned from a <code>CallableStatement</code> object |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3520 * simultaneously. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3521 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3522 * @return <code>true</code> if a <code>CallableStatement</code> object |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3523 * can return multiple <code>ResultSet</code> objects |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3524 * simultaneously; <code>false</code> otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3525 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3526 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3527 public boolean supportsMultipleOpenResults() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3528 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3529 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3530 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3531 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3532 * Retrieves whether auto-generated keys can be retrieved after |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3533 * a statement has been executed. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3534 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3535 * @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
|
3536 * after a statement has executed; <code>false</code> otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3537 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3538 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3539 public boolean supportsGetGeneratedKeys() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3540 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3541 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3542 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3543 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3544 * 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
|
3545 * 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
|
3546 * the immediate super type/ sub type relationship is modeled. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3547 * <P> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3548 * Only supertype information for UDTs matching the catalog, |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3549 * schema, and type name is returned. The type name parameter |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3550 * 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
|
3551 * 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
|
3552 * ignored. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3553 * <P> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3554 * If a UDT does not have a direct super type, it is not listed here. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3555 * 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
|
3556 * 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
|
3557 * columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3558 * <OL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3559 * <LI><B>TYPE_CAT</B> String => the UDT's catalog (may be <code>null</code>) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3560 * <LI><B>TYPE_SCHEM</B> String => UDT's schema (may be <code>null</code>) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3561 * <LI><B>TYPE_NAME</B> String => type name of the UDT |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3562 * <LI><B>SUPERTYPE_CAT</B> String => the direct super type's catalog |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3563 * (may be <code>null</code>) |
|
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
|
3564 * <LI><B>SUPERTYPE_SCHEM</B> String => the direct super type's schema |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3565 * (may be <code>null</code>) |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3566 * <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
|
3567 * </OL> |
|
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 * <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
|
3570 * empty result set is returned. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3571 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3572 * @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
|
3573 * <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
|
3574 * @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
|
3575 * @param typeNamePattern a UDT name pattern; may be a fully-qualified name |
|
0
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3576 * @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
|
3577 * about the designated UDT |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3578 * @throws SQLException if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3579 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3580 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3581 public ResultSet getSuperTypes( |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
294
diff
changeset
|
3582 final String catalog, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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294
diff
changeset
|
3583 final String schemaPattern, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
changeset
|
3584 final String typeNamePattern |
|
0
a5a898f6886c
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parents:
diff
changeset
|
3585 ) throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
3586 { |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
changeset
|
3587 final String query = |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3588 "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
|
3589 "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
|
3590 "WHERE 1=0"; |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3591 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3592 return executeMetaDataQuery(query); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3593 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3594 |
|
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parents:
diff
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|
3595 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
3596 * Retrieves a description of the table hierarchies defined in a particular |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
3597 * schema in this database. |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
3598 * |
|
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parents:
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|
3599 * <P>Only supertable information for tables matching the catalog, schema |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
3600 * and table name are returned. The table name parameter may be a fully- |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
3601 * qualified name, in which case, the catalog and schemaPattern parameters |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
3602 * are ignored. If a table does not have a super table, it is not listed here. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
3603 * Supertables have to be defined in the same catalog and schema as the |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
3604 * sub tables. Therefore, the type description does not need to include |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
3605 * this information for the supertable. |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
3606 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
3607 * <P>Each type description has the following columns: |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
3608 * <OL> |
|
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|
3609 * <LI><B>TABLE_CAT</B> String => the type's catalog (may be <code>null</code>) |
|
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diff
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|
3610 * <LI><B>TABLE_SCHEM</B> String => type's schema (may be <code>null</code>) |
|
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|
3611 * <LI><B>TABLE_NAME</B> String => type name |
|
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|
3612 * <LI><B>SUPERTABLE_NAME</B> String => the direct super type's name |
|
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parents:
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|
3613 * </OL> |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
3614 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3615 * <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
|
3616 * empty result set is returned. |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3617 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
3618 * @param catalog a catalog name; "" retrieves those without a catalog; |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
3619 * <code>null</code> means drop catalog name from the selection criteria |
|
245
55375d489024
Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
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diff
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|
3620 * @param schemaPattern a schema name pattern; "" retrieves those without a schema |
|
55375d489024
Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
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|
3621 * @param tableNamePattern a table name pattern; may be a fully-qualified name |
|
0
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parents:
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|
3622 * @return a <code>ResultSet</code> object in which each row is a type description |
|
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parents:
diff
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|
3623 * @throws SQLException if a database access error occurs |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
3624 */ |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
3625 @Override |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
3626 public ResultSet getSuperTables( |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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|
3627 final String catalog, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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diff
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|
3628 final String schemaPattern, |
|
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Add "final" keyword to method arguments and local variables where possible.
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diff
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|
3629 final String tableNamePattern |
|
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|
3630 ) throws SQLException |
|
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|
3631 { |
|
295
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|
3632 final String query = |
|
0
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parents:
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|
3633 "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
|
3634 "'' 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
|
3635 "WHERE 1=0"; |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
3636 |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3637 return executeMetaDataQuery(query); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
3638 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3639 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3640 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3641 * 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
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|
3642 * 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
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|
3643 * and catalog. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3644 * <P> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3645 * 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
|
3646 * 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
|
3647 * 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
|
3648 * does not contain inherited attributes. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3649 * <P> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3650 * 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
|
3651 * columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3652 * <OL> |
|
194
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
3653 * <LI><B>TYPE_CAT</B> String => type catalog (may be <code>null</code>) |
|
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
changeset
|
3654 * <LI><B>TYPE_SCHEM</B> String => type schema (may be <code>null</code>) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
3655 * <LI><B>TYPE_NAME</B> String => type name |
|
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
changeset
|
3656 * <LI><B>ATTR_NAME</B> String => attribute name |
|
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
changeset
|
3657 * <LI><B>DATA_TYPE</B> int => attribute type SQL type from java.sql.Types |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
changeset
|
3658 * <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
|
3659 * 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
|
3660 * 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
|
3661 * <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
|
3662 * 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
|
3663 * decimal types this is precision. |
|
194
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
changeset
|
3664 * <LI><B>DECIMAL_DIGITS</B> int => the number of fractional digits |
|
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3665 * <LI><B>NUM_PREC_RADIX</B> int => Radix (typically either 10 or 2) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
changeset
|
3666 * <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
|
3667 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3668 * <LI> attributeNoNulls - might not allow NULL values |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3669 * <LI> attributeNullable - definitely allows NULL values |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3670 * <LI> attributeNullableUnknown - nullability unknown |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
3671 * </UL> |
|
194
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186
diff
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|
3672 * <LI><B>REMARKS</B> String => comment describing column (may be <code>null</code>) |
|
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
3673 * <LI><B>ATTR_DEF</B> String => default value (may be <code>null</code>) |
|
1296dbcc4958
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186
diff
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|
3674 * <LI><B>SQL_DATA_TYPE</B> int => unused |
|
1296dbcc4958
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186
diff
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|
3675 * <LI><B>SQL_DATETIME_SUB</B> int => unused |
|
1296dbcc4958
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186
diff
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|
3676 * <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
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|
3677 * maximum number of bytes in the column |
|
194
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186
diff
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|
3678 * <LI><B>ORDINAL_POSITION</B> int => index of column in table |
|
0
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parents:
diff
changeset
|
3679 * (starting at 1) |
|
194
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186
diff
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|
3680 * <LI><B>IS_NULLABLE</B> String => "NO" means column definitely |
|
0
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parents:
diff
changeset
|
3681 * does not allow NULL values; "YES" means the column might |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
3682 * allow NULL values. An empty string means unknown. |
|
194
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|
3683 * <LI><B>SCOPE_CATALOG</B> String => catalog of table that is the |
|
0
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|
3684 * scope of a reference attribute (<code>null</code> if DATA_TYPE isn't REF) |
|
194
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|
3685 * <LI><B>SCOPE_SCHEMA</B> String => schema of table that is the |
|
0
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|
3686 * scope of a reference attribute (<code>null</code> if DATA_TYPE isn't REF) |
|
194
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|
3687 * <LI><B>SCOPE_TABLE</B> String => table name that is the scope of a |
|
0
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changeset
|
3688 * reference attribute (<code>null</code> if the DATA_TYPE isn't REF) |
|
194
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|
3689 * <LI><B>SOURCE_DATA_TYPE</B> short => source type of a distinct type or user-generated |
|
0
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parents:
diff
changeset
|
3690 * 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
|
3691 * isn't DISTINCT or user-generated REF) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3692 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3693 * @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
|
3694 * 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
|
3695 * <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
|
3696 * the search |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3697 * @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
|
3698 * 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
|
3699 * <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
|
3700 * the search |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3701 * @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
|
3702 * 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
|
3703 * @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
|
3704 * name as it is declared in the database |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3705 * @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
|
3706 * attribute description |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3707 * @throws SQLException if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3708 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3709 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3710 public ResultSet getAttributes( |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
294
diff
changeset
|
3711 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
|
3712 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
|
3713 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
|
3714 final String attributeNamePattern |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3715 ) throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3716 { |
|
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
|
3717 final String query = |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3718 "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
|
3719 "'' 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
|
3720 "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
|
3721 "'' 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
|
3722 "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
|
3723 "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
|
3724 "'' 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
|
3725 "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
|
3726 "WHERE 1=0"; |
|
0
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 return executeMetaDataQuery(query); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3729 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3730 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3731 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3732 * Retrieves whether this database supports the given result set holdability. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3733 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3734 * @param holdability one of the following constants: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3735 * <code>ResultSet.HOLD_CURSORS_OVER_COMMIT</code> or |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3736 * <code>ResultSet.CLOSE_CURSORS_AT_COMMIT</code> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3737 * @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
|
3738 * @see Connection |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3739 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3740 @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
|
3741 public boolean supportsResultSetHoldability(final int holdability) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3742 // 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
|
3743 // 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
|
3744 return holdability == ResultSet.HOLD_CURSORS_OVER_COMMIT; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3745 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3746 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3747 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3748 * Retrieves the default holdability of this <code>ResultSet</code> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3749 * object. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3750 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3751 * @return the default holdability; either |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3752 * <code>ResultSet.HOLD_CURSORS_OVER_COMMIT</code> or |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3753 * <code>ResultSet.CLOSE_CURSORS_AT_COMMIT</code> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3754 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3755 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3756 public int getResultSetHoldability() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3757 return ResultSet.HOLD_CURSORS_OVER_COMMIT; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3758 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3759 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3760 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3761 * 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
|
3762 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3763 * @return the underlying database's major version |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3764 * @throws SQLException if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3765 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3766 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3767 public int getDatabaseMajorVersion() throws SQLException { |
|
332
e8962bdaa206
Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
331
diff
changeset
|
3768 return con.getDatabaseMajorVersion(); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3769 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3770 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3771 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3772 * 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
|
3773 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3774 * @return underlying database's minor version |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3775 * @throws SQLException if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3776 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3777 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3778 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
|
3779 return con.getDatabaseMinorVersion(); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3780 } |
|
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 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3783 * Retrieves the major JDBC version number for this driver. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3784 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3785 * @return JDBC version major number |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3786 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3787 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3788 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
|
3789 return 4; // This class implements JDBC 4.2 (at least we try to) |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3790 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3791 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3792 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3793 * Retrieves the minor JDBC version number for this driver. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3794 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3795 * @return JDBC version minor number |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3796 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3797 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3798 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
|
3799 return 2; // This class implements JDBC 4.2 (at least we try to) |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3800 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3801 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3802 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3803 * Indicates whether the SQLSTATEs returned by <code>SQLException.getSQLState</code> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3804 * is X/Open (now known as Open Group) SQL CLI or SQL:2003. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3805 * @return the type of SQLSTATEs, one of: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3806 * sqlStateXOpen or |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3807 * sqlStateSQL |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3808 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3809 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3810 public int getSQLStateType() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3811 // At least this driver conforms with SQLSTATE to the SQL:2003 standard |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3812 return DatabaseMetaData.sqlStateSQL; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3813 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3814 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3815 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3816 * 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
|
3817 * to the LOB. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3818 * @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
|
3819 * <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
|
3820 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3821 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3822 public boolean locatorsUpdateCopy() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3823 // 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
|
3824 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3825 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3826 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3827 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3828 * Retrieves whether this database supports statement pooling. |
|
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 * @return <code>true</code> is so; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3831 <code>false</code> otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3832 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3833 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3834 public boolean supportsStatementPooling() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3835 // For the moment, I don't think so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3836 return false; |
|
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 //== 1.6 methods (JDBC 4) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3840 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3841 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3842 * 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
|
3843 * 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
|
3844 * valid. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3845 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3846 * @return ROWID_UNSUPPORTED for now |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3847 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3848 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3849 public RowIdLifetime getRowIdLifetime() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3850 // I believe we don't do rowids |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3851 return RowIdLifetime.ROWID_UNSUPPORTED; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3852 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3853 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3854 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3855 * 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
|
3856 * are ordered by schema name. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3857 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3858 * <P>The schema column is: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3859 * <OL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3860 * <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
|
3861 * <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
|
3862 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3863 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3864 * @return 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
|
3865 * schema name |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3866 * @throws SQLException if a database error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3867 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3868 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3869 public ResultSet getSchemas() throws SQLException { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3870 return getSchemas(null, null); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3871 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3872 |
|
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 * 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
|
3875 * vendor functions using the stored procedure escape syntax. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3876 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3877 * @return true if so; false otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3878 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3879 @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
|
3880 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
|
3881 return con.supportsEscapeSequenceSyntax(); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3882 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3883 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3884 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3885 * Retrieves whether a SQLException while autoCommit is true |
| 943 | 3886 * indicates that all open ResultSets are closed, even ones that are |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3887 * 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
|
3888 * 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
|
3889 * 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
|
3890 * 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
|
3891 * or not holdable ResultSets are closed. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3892 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3893 * @return true if so; false otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3894 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3895 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3896 public boolean autoCommitFailureClosesAllResultSets() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3897 // 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
|
3898 // 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
|
3899 // failure either. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3900 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3901 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3902 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3903 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3904 * 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
|
3905 * 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
|
3906 * 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
|
3907 * 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
|
3908 * 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
|
3909 * 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
|
3910 * 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
|
3911 * 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
|
3912 * The ResultSet is sorted by the NAME column |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3913 * |
|
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
|
3914 * @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
|
3915 * @throws SQLException if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3916 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3917 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3918 public ResultSet getClientInfoProperties() throws SQLException { |
|
921
41d0cce6d2df
Use new con.checkMinimumDBVersion() method.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
913
diff
changeset
|
3919 String query = "SELECT cast('' as varchar(40)) AS \"NAME\", cast(0 as int) AS \"MAX_LEN\", cast('' as varchar(128)) AS \"DEFAULT_VALUE\", cast('' as varchar(256)) AS \"DESCRIPTION\" WHERE 1=0"; |
|
41d0cce6d2df
Use new con.checkMinimumDBVersion() method.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
913
diff
changeset
|
3920 // only MonetDB Server 11.51 (Aug2024) or higher supports table sys.clientinfo_properties |
|
41d0cce6d2df
Use new con.checkMinimumDBVersion() method.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
913
diff
changeset
|
3921 if (con.checkMinimumDBVersion(11, 51)) { |
|
41d0cce6d2df
Use new con.checkMinimumDBVersion() method.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
913
diff
changeset
|
3922 // The query combines the 5 properties (added in Aug2024) we know about with |
|
41d0cce6d2df
Use new con.checkMinimumDBVersion() method.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
913
diff
changeset
|
3923 // any additional properties that may have been added later to sys.clientinfo_properties table |
|
41d0cce6d2df
Use new con.checkMinimumDBVersion() method.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
913
diff
changeset
|
3924 query = "SELECT prop AS \"NAME\", cast(maxlen as int) AS \"MAX_LEN\", defval AS \"DEFAULT_VALUE\", descr AS \"DESCRIPTION\"" + |
|
41d0cce6d2df
Use new con.checkMinimumDBVersion() method.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
913
diff
changeset
|
3925 " FROM sys.clientinfo_properties" + |
|
41d0cce6d2df
Use new con.checkMinimumDBVersion() method.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
913
diff
changeset
|
3926 " LEFT OUTER JOIN (VALUES " + |
|
41d0cce6d2df
Use new con.checkMinimumDBVersion() method.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
913
diff
changeset
|
3927 "('ApplicationName',128," + stringEscape(ClientInfo.defaultApplicationName) + ",'Name of the application')," + |
|
41d0cce6d2df
Use new con.checkMinimumDBVersion() method.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
913
diff
changeset
|
3928 "('ClientHostname',128," + stringEscape(ClientInfo.defaultHostname) + ",'Host the application is running on')," + |
|
41d0cce6d2df
Use new con.checkMinimumDBVersion() method.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
913
diff
changeset
|
3929 "('ClientLibrary',128," + stringEscape(ClientInfo.defaultClientLibrary) + ",'Name and version of the driver')," + |
|
41d0cce6d2df
Use new con.checkMinimumDBVersion() method.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
913
diff
changeset
|
3930 "('ClientPid',19," + stringEscape(ClientInfo.defaultPid) + ",'Process id of the application')," + |
|
41d0cce6d2df
Use new con.checkMinimumDBVersion() method.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
913
diff
changeset
|
3931 "('ClientRemark',256,NULL,'Additional information')" + |
|
41d0cce6d2df
Use new con.checkMinimumDBVersion() method.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
913
diff
changeset
|
3932 ") AS t(nm, maxlen, defval, descr) ON prop = nm" + |
|
41d0cce6d2df
Use new con.checkMinimumDBVersion() method.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
913
diff
changeset
|
3933 " ORDER BY 1"; |
|
41d0cce6d2df
Use new con.checkMinimumDBVersion() method.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
913
diff
changeset
|
3934 } |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3935 return executeMetaDataQuery(query); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3936 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3937 |
|
907
cc6425e98017
Implement DatabaseMetaData.getClientInfoProperties
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents:
900
diff
changeset
|
3938 private static String stringEscape(String s) { |
|
cc6425e98017
Implement DatabaseMetaData.getClientInfoProperties
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents:
900
diff
changeset
|
3939 return "R'" + s.replaceAll("'", "''") + "'"; |
|
cc6425e98017
Implement DatabaseMetaData.getClientInfoProperties
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents:
900
diff
changeset
|
3940 } |
|
cc6425e98017
Implement DatabaseMetaData.getClientInfoProperties
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents:
900
diff
changeset
|
3941 |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3942 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3943 * 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
|
3944 * available in the given catalog. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3945 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3946 * 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
|
3947 * 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
|
3948 * 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
|
3949 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3950 * Each function description has the the following columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3951 * |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3952 * 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
|
3953 * 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
|
3954 * 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
|
3955 * 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
|
3956 * 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
|
3957 * 5. FUNCTION_TYPE short => kind of function: |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3958 * * functionResultUnknown - Cannot determine if a return |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3959 * value or table will be returned |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3960 * * functionNoTable- Does not return a table |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3961 * * 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
|
3962 * 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
|
3963 * 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
|
3964 * 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
|
3965 * FUNCTION_NAME for example with overload functions |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3966 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3967 * 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
|
3968 * that are returned by getFunctions. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3969 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3970 * @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
|
3971 * 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
|
3972 * 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
|
3973 * used to narrow the search |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3974 * @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
|
3975 * 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
|
3976 * 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
|
3977 * not be used to narrow the search |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3978 * @param functionNamePattern a function name pattern; must match |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3979 * 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
|
3980 * 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
|
3981 * @return ResultSet - each row is a function description |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3982 * @throws SQLException if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3983 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3984 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3985 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
|
3986 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
|
3987 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
|
3988 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
|
3989 ) throws SQLException |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3990 { |
|
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
|
3991 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
|
3992 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
|
3993 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
|
3994 "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
|
3995 "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
|
3996 .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
|
3997 "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
|
3998 " 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
|
3999 " ELSE " + DatabaseMetaData.functionResultUnknown + " END AS \"FUNCTION_TYPE\", " + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4000 // 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
|
4001 "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
|
4002 "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>
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300
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|
4003 "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
|
4004 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
|
4005 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>
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213
diff
changeset
|
4006 } |
|
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
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|
4007 // only functions, so exclude procedures (type = 2). Those will to be returned via getProcedures() |
|
302
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Added table aliases and use them in all meta data SQL queries to reduce query size.
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diff
changeset
|
4008 query.append("WHERE f.\"type\" <> 2"); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4009 |
|
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
|
4010 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
298
diff
changeset
|
4011 // non-empty catalog selection. |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4012 // 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
|
4013 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
|
4014 } 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
|
4015 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:
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diff
changeset
|
4016 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
|
4017 } |
|
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
|
4018 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
|
4019 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
|
4020 } |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4021 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4022 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4023 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
|
4024 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4025 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4026 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4027 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4028 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4029 * 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
|
4030 * function parameters and return type. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4031 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4032 * Only descriptions matching the schema, function and parameter name criteria are returned. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4033 * They are ordered by FUNCTION_CAT, FUNCTION_SCHEM, FUNCTION_NAME and SPECIFIC_ NAME. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4034 * Within this, the return value, if any, is first. Next are the parameter descriptions in call order. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4035 * The column descriptions follow in column number order. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4036 * |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4037 * 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
|
4038 * 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
|
4039 * 3. FUNCTION_NAME String => function name. This is the name used to invoke the function |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4040 * 4. COLUMN_NAME String => column/parameter name |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4041 * 5. COLUMN_TYPE Short => kind of column/parameter: |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4042 * functionColumnUnknown - nobody knows |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4043 * functionColumnIn - IN parameter |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4044 * functionColumnInOut - INOUT parameter |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4045 * functionColumnOut - OUT parameter |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4046 * functionColumnReturn - function return value |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4047 * functionColumnResult - Indicates that the parameter or column is a column in the ResultSet |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4048 * 6. DATA_TYPE int => SQL type from java.sql.Types |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4049 * 7. TYPE_NAME String => SQL type name, for a UDT type the type name is fully qualified |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4050 * 8. PRECISION int => precision |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4051 * 9. LENGTH int => length in bytes of data |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4052 * 10. SCALE short => scale - null is returned for data types where SCALE is not applicable. |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4053 * 11. RADIX short => radix |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4054 * 12. NULLABLE short => can it contain NULL. |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4055 * functionNoNulls - does not allow NULL values |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4056 * functionNullable - allows NULL values |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4057 * functionNullableUnknown - nullability unknown |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4058 * 13. REMARKS String => comment describing column/parameter |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4059 * 14. CHAR_OCTET_LENGTH int => the maximum length of binary and character based parameters or columns. For any other datatype the returned value is a NULL |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4060 * 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
|
4061 * A value of 0 is returned if this row describes the function's return value. For result set columns, it is the ordinal position of the column in the result set starting from 1. |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4062 * 16. IS_NULLABLE String => ISO rules are used to determine the nullability for a parameter or column. |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4063 * 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
|
4064 * 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
|
4065 * empty string --- if the nullability for the parameter or column is unknown |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4066 * 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
|
4067 * 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
|
4068 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4069 * @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
|
4070 * 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
|
4071 * 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
|
4072 * used to narrow the search |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4073 * @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
|
4074 * 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
|
4075 * 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
|
4076 * not be used to narrow the search |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4077 * @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
|
4078 * 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
|
4079 * 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
|
4080 * @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
|
4081 * 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
|
4082 * 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
|
4083 * @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
|
4084 * column or return type |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4085 * @throws SQLException - if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4086 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4087 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4088 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
|
4089 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
|
4090 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
|
4091 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
|
4092 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
|
4093 ) throws SQLException |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4094 { |
|
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
|
4095 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
|
4096 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
|
4097 "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
|
4098 "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
|
4099 "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
|
4100 "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
|
4101 " 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
|
4102 " 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
|
4103 " ELSE " + DatabaseMetaData.functionColumnUnknown + " END AS smallint) AS \"COLUMN_TYPE\", " + |
|
302
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
4104 "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
|
4105 "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
|
4106 "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
|
4107 " 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
|
4108 "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
|
4109 " 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
|
4110 "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
|
4111 "'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
|
4112 "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
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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300
diff
changeset
|
4113 " 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
|
4114 // 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
|
4115 "cast(").append(DatabaseMetaData.functionNullableUnknown).append(" AS smallint) AS \"NULLABLE\", " + |
|
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
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|
4116 "cast(null as char(1)) AS \"REMARKS\", " + |
|
822
ad4491372c2c
Prevent sql processor to produce server msg: mul_int_bte_int: ERROR: 22003!overflow in calculation 2147483647*4.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
818
diff
changeset
|
4117 "cast(CASE WHEN a.\"type\" IN ('varchar','clob','char','json','url','xml') THEN 4 * cast(a.\"type_digits\" as bigint) WHEN a.\"type\" = 'blob' THEN a.\"type_digits\" ELSE NULL END as bigint) AS \"CHAR_OCTET_LENGTH\", " + |
|
302
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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300
diff
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|
4118 "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
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|
4119 "cast('' as varchar(3)) AS \"IS_NULLABLE\", " + |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
4120 // the specific name contains the function id, in order to be able to match the args to the correct overloaded function name |
|
302
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diff
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|
4121 "cast(f.\"id\" as varchar(10)) AS \"SPECIFIC_NAME\" " + |
|
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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300
diff
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|
4122 "FROM \"sys\".\"args\" a " + |
|
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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300
diff
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|
4123 "JOIN \"sys\".\"functions\" f ON a.\"func_id\" = f.\"id\" " + |
|
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
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|
4124 "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
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|
4125 // only functions, so exclude procedures (type = 2). Those will to be returned via getProcedureColumns() |
|
302
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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300
diff
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|
4126 "WHERE f.\"type\" <> 2"); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
4127 |
|
216
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
215
diff
changeset
|
4128 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
298
diff
changeset
|
4129 // non-empty catalog selection. |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4130 // 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
|
4131 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
|
4132 } 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
|
4133 if (schemaPattern != null && !schemaPattern.equals("%")) { |
|
302
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
4134 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
|
4135 } |
|
323
8701024a9bb0
In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
306
diff
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|
4136 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>
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300
diff
changeset
|
4137 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
|
4138 } |
|
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
|
4139 if (columnNamePattern != null && !columnNamePattern.equals("%")) { |
|
302
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
4140 query.append(" AND a.\"name\" ").append(composeMatchPart(columnNamePattern)); |
|
216
116b5a149fb4
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
215
diff
changeset
|
4141 } |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4142 } |
|
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
|
4143 |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4144 query.append(" ORDER BY \"FUNCTION_SCHEM\", \"FUNCTION_NAME\", \"SPECIFIC_NAME\", \"ORDINAL_POSITION\""); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4145 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4146 return executeMetaDataQuery(query.toString()); |
|
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 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4149 //== 1.7 methods (JDBC 4.1) |
|
372
159c628527c4
Optimize SQL query generation by eliminating "WHERE 1=1" conditions
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
371
diff
changeset
|
4150 |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4151 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4152 * Retrieves a description of the pseudo or hidden columns available |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4153 * 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
|
4154 * or hidden columns may not always be stored within a table and are |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4155 * 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
|
4156 * 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
|
4157 * necessarily be able to be modified. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4158 * 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
|
4159 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4160 * 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
|
4161 * 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
|
4162 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4163 * Each column description has the following columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4164 * |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4165 * 1. TABLE_CAT String => table catalog (may be null) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4166 * 2. TABLE_SCHEM String => table schema (may be null) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
4167 * 3. TABLE_NAME String => table name |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4168 * 4. COLUMN_NAME String => column name |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
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|
4169 * 5. DATA_TYPE int => SQL type from java.sql.Types |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
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|
4170 * 6. COLUMN_SIZE int => column size. |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
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|
4171 * 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>
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186
diff
changeset
|
4172 * 8. NUM_PREC_RADIX int => Radix (typically either 10 or 2) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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parents:
186
diff
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|
4173 * 9. COLUMN_USAGE String => The allowed usage for the column. The value returned will correspond to the enum name returned by PseudoColumnUsage.name() |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
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|
4174 * 10. REMARKS String => comment describing column (may be null) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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186
diff
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|
4175 * 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:
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|
4176 * 12. IS_NULLABLE String => ISO rules are used to determine the nullability for a column. |
|
0
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diff
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|
4177 * YES --- if the column can include NULLs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
4178 * NO --- if the column cannot include NULLs |
|
a5a898f6886c
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parents:
diff
changeset
|
4179 * empty string --- if the nullability for the column is unknown |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
4180 * |
|
a5a898f6886c
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parents:
diff
changeset
|
4181 * @param catalog a catalog name |
|
a5a898f6886c
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parents:
diff
changeset
|
4182 * @param schemaPattern a schema name pattern |
|
a5a898f6886c
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parents:
diff
changeset
|
4183 * @param tableNamePattern a table name pattern |
|
a5a898f6886c
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parents:
diff
changeset
|
4184 * @param columnNamePattern a column name pattern |
|
a5a898f6886c
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parents:
diff
changeset
|
4185 * @return ResultSet where each row is a column description |
|
a5a898f6886c
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parents:
diff
changeset
|
4186 * @throws SQLException if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
4187 */ |
|
a5a898f6886c
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parents:
diff
changeset
|
4188 @Override |
|
a5a898f6886c
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|
4189 public ResultSet getPseudoColumns( |
|
295
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Add "final" keyword to method arguments and local variables where possible.
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|
4190 final String catalog, |
|
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|
4191 final String schemaPattern, |
|
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|
4192 final String tableNamePattern, |
|
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|
4193 final String columnNamePattern |
|
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|
4194 ) throws SQLException |
|
0
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|
4195 { |
|
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parents:
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|
4196 // MonetDB currently does not support pseudo or hidden columns, so return an empty ResultSet |
|
295
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|
4197 final String query = |
|
217
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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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|
4198 "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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|
4199 "'' 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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|
4200 "'' 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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|
4201 "'' AS \"COLUMN_NAME\", " + |
|
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Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
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diff
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|
4202 "cast(0 as int) AS \"DATA_TYPE\", " + |
|
7cbd20ff628c
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
4203 "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
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|
4204 "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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|
4205 "cast(0 as int) AS \"NUM_PREC_RADIX\", " + |
|
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
4206 "'' 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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|
4207 "'' 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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|
4208 "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
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|
4209 "'' 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
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|
4210 "WHERE 1=0"; |
|
0
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|
4211 |
|
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changeset
|
4212 return executeMetaDataQuery(query); |
|
a5a898f6886c
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parents:
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|
4213 } |
|
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changeset
|
4214 |
|
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|
4215 /** |
|
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changeset
|
4216 * 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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|
4217 * column name(s) or index(es) specified for the auto generated key |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
4218 * column(s) are valid and the statement succeeds. The key that is |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
4219 * returned may or may not be based on the column(s) for the auto |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
4220 * generated key. |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4221 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4222 * @return true if so, false otherwise |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4223 * @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:
diff
changeset
|
4224 */ |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
4225 @Override |
|
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diff
changeset
|
4226 public boolean generatedKeyAlwaysReturned() throws SQLException { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
4227 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
4228 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4229 |
|
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
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|
4230 //== 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>
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263
diff
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|
4231 |
|
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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263
diff
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|
4232 /** |
|
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
263
diff
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|
4233 * 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
|
4234 * 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:
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parents:
375
diff
changeset
|
4235 * @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>
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263
diff
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|
4236 */ |
|
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
263
diff
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|
4237 @Override |
|
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
263
diff
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|
4238 public long getMaxLogicalLobSize() { |
|
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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263
diff
changeset
|
4239 return 0; |
|
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
263
diff
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|
4240 } |
|
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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263
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|
4241 |
|
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
263
diff
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|
4242 /** |
|
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
263
diff
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|
4243 * 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
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|
4244 * 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
|
4245 * @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
|
4246 */ |
|
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
263
diff
changeset
|
4247 @Override |
|
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
263
diff
changeset
|
4248 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
|
4249 return false; |
|
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
263
diff
changeset
|
4250 } |
|
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
263
diff
changeset
|
4251 |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4252 //== 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
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|
4253 |
|
a91168efdf27
Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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302
diff
changeset
|
4254 |
|
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
|
4255 //== 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
|
4256 |
|
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 /** |
|
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 * 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
|
4259 * 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
|
4260 * 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
|
4261 * |
|
bdeabbd46ec6
Resolve javac and javadoc warnings when compiled with JDK19.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
682
diff
changeset
|
4262 * @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
|
4263 * @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
|
4264 * @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
|
4265 */ |
|
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
|
4266 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
|
4267 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
|
4268 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
|
4269 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
|
4270 // 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
|
4271 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
|
4272 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
|
4273 /* 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>
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331
diff
changeset
|
4274 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
|
4275 } 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
|
4276 /* 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
|
4277 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
|
4278 } |
|
e8962bdaa206
Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
331
diff
changeset
|
4279 } |
|
e8962bdaa206
Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
331
diff
changeset
|
4280 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
|
4281 } |
|
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
|
4282 |
|
a91168efdf27
Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
302
diff
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|
4283 /** |
|
427
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4284 * 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
|
4285 * - 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
|
4286 * - 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
|
4287 * - 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
|
4288 * |
|
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4289 * 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
|
4290 * 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
|
4291 * |
|
a91168efdf27
Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
302
diff
changeset
|
4292 * @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
|
4293 * @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
|
4294 */ |
|
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
|
4295 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
|
4296 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
|
4297 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
|
4298 |
|
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
|
4299 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
|
4300 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
|
4301 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
|
4302 |
|
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
|
4303 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
|
4304 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
|
4305 |
|
427
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4306 // 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
|
4307 // 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
|
4308 // 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
|
4309 // 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
|
4310 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
|
4311 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
|
4312 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
|
4313 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
|
4314 try { |
|
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4315 // 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
|
4316 // 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
|
4317 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
|
4318 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
|
4319 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
|
4320 case '\\': |
|
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4321 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
|
4322 // 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
|
4323 sb.append(c).append(c); |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4324 escaped = false; |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4325 } else { |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4326 escaped = true; |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4327 } |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4328 break; |
|
427
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4329 case '%': |
|
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4330 case '_': |
|
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4331 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
|
4332 removed_bs = true; |
|
440
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4333 escaped = false; |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4334 } 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
|
4335 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
|
4336 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
|
4337 } |
|
440
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4338 sb.append(c); |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4339 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
|
4340 default: |
|
440
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4341 if (escaped) { |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4342 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
|
4343 escaped = false; |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4344 } |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4345 sb.append(c); |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4346 break; |
|
a851e6d6a71a
Remove some non essential spaces
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
439
diff
changeset
|
4347 } |
|
427
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 } 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
|
4350 /* ignore */ |
|
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4351 } |
|
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4352 |
|
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4353 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
|
4354 // 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
|
4355 // 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
|
4356 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
|
4357 } |
|
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4358 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
|
4359 // 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
|
4360 // 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
|
4361 // 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
|
4362 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
|
4363 } |
|
e79bfbd0553e
Added support for escaped wildcards (\% en \_) in String arguments of
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
425
diff
changeset
|
4364 // 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
|
4365 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
|
4366 } |
|
a91168efdf27
Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
302
diff
changeset
|
4367 |
|
a91168efdf27
Small code and doc improvements. Moved helper functions to the bottom.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
302
diff
changeset
|
4368 //== end helper methods |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4369 } |