Mercurial > hg > monetdb-java
annotate src/main/java/nl/cwi/monetdb/jdbc/MonetDatabaseMetaData.java @ 352:f62137dd6050
Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
| author | Martin van Dinther <martin.van.dinther@monetdbsolutions.com> |
|---|---|
| date | Wed, 22 Jan 2020 16:46:21 +0100 (2020-01-22) |
| parents | 54137aeb1f92 |
| children | eabbc5bf7cdb |
| rev | line source |
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1 /* |
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2 * This Source Code Form is subject to the terms of the Mozilla Public |
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3 * License, v. 2.0. If a copy of the MPL was not distributed with this |
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4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. |
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5 * |
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350
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6 * Copyright 1997 - July 2008 CWI, August 2008 - 2020 MonetDB B.V. |
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7 */ |
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8 |
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9 package nl.cwi.monetdb.jdbc; |
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10 |
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11 import java.sql.Connection; |
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12 import java.sql.DatabaseMetaData; |
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13 import java.sql.Statement; |
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14 import java.sql.SQLException; |
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15 import java.sql.ResultSet; |
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16 import java.sql.ResultSetMetaData; |
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17 import java.sql.RowIdLifetime; |
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18 import java.sql.Types; |
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19 |
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20 /** |
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21 * A DatabaseMetaData object suitable for the MonetDB database. |
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22 * |
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23 * @author Fabian Groffen |
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24 * @author Martin van Dinther |
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25 * @version 0.9 |
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26 */ |
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27 public class MonetDatabaseMetaData |
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28 extends MonetWrapper |
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29 implements DatabaseMetaData |
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30 { |
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31 private final MonetConnection con; |
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32 |
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33 public MonetDatabaseMetaData(final MonetConnection parent) { |
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34 con = parent; |
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35 } |
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36 |
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37 /** |
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38 * Retrieves whether the current user can call all the procedures |
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39 * returned by the method getProcedures. |
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40 * |
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41 * @return false because we currently return all procedures from sys.functions |
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42 * and do not filter on EXECUTE privilege or procedure ownership. |
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43 */ |
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44 @Override |
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45 public boolean allProceduresAreCallable() { |
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46 return false; |
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47 } |
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48 |
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49 /** |
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50 * Retrieves whether the current user can use all the tables |
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51 * returned by the method getTables in a SELECT statement. |
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52 * |
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53 * @return false because we currently return all tables from sys.tables |
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54 * and do not filter on SELECT privilege or table ownership. |
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55 */ |
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56 @Override |
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57 public boolean allTablesAreSelectable() { |
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58 return false; |
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59 } |
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60 |
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61 /** |
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62 * What is the URL for this database? |
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63 * |
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64 * @return a reconstructed connection string |
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65 * @throws SQLException if a database access error occurs |
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66 */ |
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67 @Override |
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68 public String getURL() throws SQLException { |
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69 return con.getJDBCURL(); |
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70 } |
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71 |
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72 /** |
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73 * What is our user name as known to the database? |
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74 * |
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75 * @return sql user |
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76 * @throws SQLException if a database access error occurs |
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77 */ |
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78 @Override |
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79 public String getUserName() throws SQLException { |
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80 return con.getUserName(); |
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81 } |
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82 |
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83 /** |
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84 * Is the database in read-only mode? |
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85 * |
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86 * @return always false for now |
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87 */ |
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88 @Override |
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89 public boolean isReadOnly() { |
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90 return false; |
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91 } |
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92 |
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93 /** |
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94 * Retrieves whether NULL values are sorted high. Sorted high means |
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95 * that NULL values sort higher than any other value in a domain. |
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96 * In an ascending order, if this method returns true, NULL values will appear at the end. |
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97 * By contrast, the method nullsAreSortedAtEnd indicates whether NULL values are sorted at the end regardless of sort order. |
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98 * |
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99 * @return false because MonetDB shows NULL values at the beginning upon ORDER BY .. ASC |
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100 */ |
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101 @Override |
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102 public boolean nullsAreSortedHigh() { |
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103 return false; |
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104 } |
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105 |
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106 /** |
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107 * Retrieves whether NULL values are sorted low. Sorted low means |
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108 * that NULL values sort lower than any other value in a domain. |
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109 * In an ascending order, if this method returns true, NULL values will appear at the beginning. |
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110 * By contrast, the method nullsAreSortedAtStart indicates whether NULL values are sorted at the beginning regardless of sort order. |
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111 * |
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112 * @return true because MonetDB shows NULL values at the beginning upon ORDER BY .. ASC |
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113 * |
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114 * @return negative of nullsAreSortedHigh() |
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115 * @see #nullsAreSortedHigh() |
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116 */ |
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117 @Override |
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118 public boolean nullsAreSortedLow() { |
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119 return true; |
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120 } |
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121 |
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122 /** |
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123 * Are NULL values sorted at the start regardless of sort order? |
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124 * |
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125 * @return false, since MonetDB doesn't do this |
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126 */ |
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127 @Override |
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128 public boolean nullsAreSortedAtStart() { |
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129 return false; |
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130 } |
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131 |
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132 /** |
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133 * Are NULL values sorted at the end regardless of sort order? |
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134 * |
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135 * @return false, since MonetDB doesn't do this |
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136 */ |
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137 @Override |
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138 public boolean nullsAreSortedAtEnd() { |
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139 return false; |
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140 } |
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141 |
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142 /** |
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143 * What is the name of this database product - this should be MonetDB |
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144 * of course, so we return that explicitly. |
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145 * |
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146 * @return the database product name |
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147 */ |
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148 @Override |
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149 public String getDatabaseProductName() { |
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150 return "MonetDB"; |
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151 } |
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152 |
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153 /** |
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154 * What is the version of this database product. |
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155 * |
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156 * @return the mserver5 version number string |
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157 * @throws SQLException if a database access error occurs |
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158 */ |
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159 @Override |
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160 public String getDatabaseProductVersion() throws SQLException { |
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161 return con.getDatabaseProductVersion(); |
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162 } |
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163 |
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164 /** |
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165 * What is the name of this JDBC driver? |
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166 * |
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167 * @return the JDBC driver name |
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168 */ |
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169 @Override |
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170 public String getDriverName() { |
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171 return "MonetDB Native Driver"; |
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172 } |
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173 |
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174 /** |
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175 * Retrieves the version number of this JDBC driver as a String. |
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176 * |
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177 * @return the JDBC driver version string |
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178 */ |
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179 @Override |
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180 public String getDriverVersion() { |
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181 return MonetDriver.getDriverVersion(); |
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182 } |
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183 |
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184 /** |
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185 * What is this JDBC driver's major version number? |
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186 * |
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187 * @return the JDBC driver major version number |
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188 */ |
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189 @Override |
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190 public int getDriverMajorVersion() { |
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191 return MonetDriver.getDriverMajorVersion(); |
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192 } |
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193 |
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194 /** |
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195 * What is this JDBC driver's minor version number? |
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196 * |
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197 * @return the JDBC driver minor version number |
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198 */ |
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199 @Override |
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200 public int getDriverMinorVersion() { |
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201 return MonetDriver.getDriverMinorVersion(); |
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202 } |
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203 |
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204 /** |
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205 * Does the database store tables in a local file? |
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206 * No, it stores them in files on the server. |
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207 * |
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208 * @return false because that's what MonetDB is for |
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209 */ |
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210 @Override |
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211 public boolean usesLocalFiles() { |
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212 return false; |
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213 } |
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214 |
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215 /** |
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216 * Does the database use a local file for each table? |
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217 * |
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218 * @return false for it doesn't |
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219 */ |
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220 @Override |
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221 public boolean usesLocalFilePerTable() { |
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222 return false; |
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223 } |
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224 |
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225 /** |
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226 * Does the database treat mixed case unquoted SQL identifiers |
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227 * as case sensitive and as a result store them in mixed case? |
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228 * A JDBC Compliant <sup>TM</sup> driver always returns false. |
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229 * |
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230 * @return false |
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231 */ |
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232 @Override |
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233 public boolean supportsMixedCaseIdentifiers() { |
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234 return false; |
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235 } |
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236 |
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237 /** |
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238 * Does the database treat mixed case unquoted SQL identifiers as |
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239 * case insensitive and store them in upper case? |
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240 * |
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241 * @return true if so |
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242 */ |
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243 @Override |
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244 public boolean storesUpperCaseIdentifiers() { |
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245 return false; |
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246 } |
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247 |
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248 /** |
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249 * Does the database treat mixed case unquoted SQL identifiers as |
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250 * case insensitive and store them in lower case? |
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251 * |
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252 * @return true if so |
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253 */ |
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254 @Override |
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255 public boolean storesLowerCaseIdentifiers() { |
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256 return true; |
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257 } |
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258 |
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259 /** |
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260 * Does the database treat mixed case unquoted SQL identifiers as |
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261 * case insensitive and store them in mixed case? |
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262 * |
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263 * @return true if so |
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264 */ |
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265 @Override |
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266 public boolean storesMixedCaseIdentifiers() { |
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267 return false; |
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268 } |
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269 |
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270 /** |
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271 * Does the database treat mixed case quoted SQL identifiers as |
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272 * case sensitive and as a result store them in mixed case? |
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273 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
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274 * |
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275 * @return true if so |
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276 */ |
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277 @Override |
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278 public boolean supportsMixedCaseQuotedIdentifiers() { |
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279 return true; |
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280 } |
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281 |
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282 /** |
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283 * Does the database treat mixed case quoted SQL identifiers as |
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284 * case insensitive and store them in upper case? |
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285 * |
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286 * @return true if so |
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287 */ |
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288 @Override |
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289 public boolean storesUpperCaseQuotedIdentifiers() { |
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290 return false; |
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291 } |
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292 |
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293 /** |
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294 * Does the database treat mixed case quoted SQL identifiers as case |
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295 * insensitive and store them in lower case? |
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296 * |
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297 * @return true if so |
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298 */ |
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299 @Override |
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300 public boolean storesLowerCaseQuotedIdentifiers() { |
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301 return false; |
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302 } |
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303 |
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304 /** |
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305 * Does the database treat mixed case quoted SQL identifiers as case |
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306 * insensitive and store them in mixed case? |
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307 * |
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308 * @return true if so |
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309 */ |
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310 @Override |
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311 public boolean storesMixedCaseQuotedIdentifiers() { |
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312 return false; |
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313 } |
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314 |
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315 /** |
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316 * What is the string used to quote SQL identifiers? |
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317 * This returns a space if identifier quoting isn't supported. |
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318 * A JDBC Compliant <sup>TM</sup> driver |
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319 * will always use a double quote character. |
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320 * |
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321 * @return the quoting string |
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322 */ |
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323 @Override |
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324 public String getIdentifierQuoteString() { |
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325 return "\""; |
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326 } |
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327 |
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328 /** |
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329 * Get a comma separated list of all a database's SQL keywords that |
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330 * are NOT also SQL:2003 keywords. |
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331 * |
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332 * @return a comma separated list of MonetDB keywords |
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333 */ |
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334 @Override |
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335 public String getSQLKeywords() { |
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336 final String keywords = getConcatenatedStringFromQuery("SELECT \"keyword\" FROM \"sys\".\"keywords\" ORDER BY 1"); |
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337 |
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338 /* An old MonetDB server (pre Jul2015 release) will not have a table sys.keywords and return an empty String */ |
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339 return (keywords.isEmpty()) ? |
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340 /* for old servers return static list (as returned in clients/odbc/driver/SQLGetInfo.c case SQL_KEYWORDS:) */ |
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341 "ADMIN,AFTER,AGGREGATE,ALWAYS,ASYMMETRIC,ATOMIC," + |
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342 "AUTO_INCREMENT,BEFORE,BIGINT,BIGSERIAL,BINARY,BLOB," + |
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343 "CALL,CHAIN,CLOB,COMMITTED,COPY,CORR,CUME_DIST," + |
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344 "CURRENT_ROLE,CYCLE,DATABASE,DELIMITERS,DENSE_RANK," + |
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345 "DO,EACH,ELSEIF,ENCRYPTED,EVERY,EXCLUDE,FOLLOWING," + |
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346 "FUNCTION,GENERATED,IF,ILIKE,INCREMENT,LAG,LEAD," + |
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347 "LIMIT,LOCALTIME,LOCALTIMESTAMP,LOCKED,MAXVALUE," + |
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348 "MEDIAN,MEDIUMINT,MERGE,MINVALUE,NEW,NOCYCLE," + |
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349 "NOMAXVALUE,NOMINVALUE,NOW,OFFSET,OLD,OTHERS,OVER," + |
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350 "PARTITION,PERCENT_RANK,PLAN,PRECEDING,PROD,QUANTILE," + |
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351 "RANGE,RANK,RECORDS,REFERENCING,REMOTE,RENAME," + |
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352 "REPEATABLE,REPLICA,RESTART,RETURN,RETURNS," + |
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353 "ROW_NUMBER,ROWS,SAMPLE,SAVEPOINT,SCHEMA,SEQUENCE," + |
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354 "SERIAL,SERIALIZABLE,SIMPLE,START,STATEMENT,STDIN," + |
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355 "STDOUT,STREAM,STRING,SYMMETRIC,TIES,TINYINT,TRIGGER," + |
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356 "UNBOUNDED,UNCOMMITTED,UNENCRYPTED,WHILE,XMLAGG," + |
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357 "XMLATTRIBUTES,XMLCOMMENT,XMLCONCAT,XMLDOCUMENT," + |
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358 "XMLELEMENT,XMLFOREST,XMLNAMESPACES,XMLPARSE,XMLPI," + |
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359 "XMLQUERY,XMLSCHEMA,XMLTEXT,XMLVALIDATE" |
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360 : keywords; |
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361 } |
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362 |
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363 /** |
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364 * Internal utility method getConcatenatedStringFromQuery(String query) |
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365 * args: query: SQL SELECT query. Only the output of the first column is concatenated. |
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366 * @return a String of query result values concatenated into one string, and values separated by comma's |
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367 */ |
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368 private String getConcatenatedStringFromQuery(final String query) { |
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369 final StringBuilder sb = new StringBuilder(1024); |
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370 Statement st = null; |
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371 ResultSet rs = null; |
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372 try { |
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373 st = con.createStatement(); |
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374 rs = st.executeQuery(query); |
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375 // Fetch the first column output and concatenate the values into a StringBuilder separated by comma's |
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376 boolean isfirst = true; |
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377 while (rs.next()) { |
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378 String value = rs.getString(1); |
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379 if (value != null) { |
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380 if (isfirst) { |
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381 isfirst = false; |
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382 } else { |
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383 sb.append(','); |
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384 } |
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385 sb.append(value); |
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386 } |
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387 } |
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388 } catch (SQLException e) { |
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389 /* ignore */ |
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390 } finally { |
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300
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391 MonetConnection.closeResultsetStatement(rs, st); |
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392 } |
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331
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393 // for debug: System.out.println("SQL (len " + query.length() + "): " + query + "\nResult string: " + sb.toString()); |
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394 return sb.toString(); |
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395 } |
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396 |
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397 // SQL query parts shared by four get<Type>Functions() below |
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398 private static final String FunctionsSelect = "SELECT DISTINCT CASE WHEN \"language\" > 0 THEN s.\"name\"||'.'||f.\"name\" ELSE f.\"name\" END FROM \"sys\".\"functions\" f JOIN \"sys\".\"schemas\" s ON f.\"schema_id\" = s.\"id\" WHERE "; |
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399 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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400 // 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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401 private static final String OrFunctionsMaxMin = " OR f.\"name\" IN ('sql_max','sql_min','least','greatest')"; |
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402 private static final String FunctionsOrderBy1 = " ORDER BY 1"; |
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403 |
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404 @Override |
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405 public String getNumericFunctions() { |
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406 final String match = |
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407 "('tinyint','smallint','int','bigint','hugeint','decimal','double','real'))" + |
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338
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408 " AND \"type\" = 1" + // only scalar functions |
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409 // exclude functions which do not work or belong to string functions (code(int) and space(int)) |
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410 " AND f.\"name\" NOT IN ('code','not_uniques','rotate_xor_hash','space'))" + |
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411 // include specific functions which have no 1st arg (pi()) or it is not numeric |
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412 " OR f.\"name\" IN ('alpha','degrees','fuse','ms_round','ms_str','ms_trunc','pi','radians')"; |
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413 return getConcatenatedStringFromQuery(FunctionsSelect + FunctionsWhere + match + OrFunctionsMaxMin + FunctionsOrderBy1); |
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414 } |
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415 |
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416 @Override |
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417 public String getStringFunctions() { |
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418 final String match = |
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419 "('char','varchar','clob','json','url'))" + |
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420 " AND \"type\" = 1" + // only scalar functions |
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421 // exclude sql functions: get_value_for, next_value_for, restart |
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422 " AND \"mod\" <> 'sql')" + |
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423 // include specific functions code(int) and space(int) which belong to the 'str' module |
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424 " OR \"mod\" = 'str'" + |
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425 // include 3 specific json functions and udf reverse which accept a string arg |
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426 " OR f.\"name\" IN ('isarray','isobject','isvalid','reverse')"; |
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427 final String unionPart = |
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428 // 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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429 " UNION SELECT 'position'"; |
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430 return getConcatenatedStringFromQuery(FunctionsSelect + FunctionsWhere + match + OrFunctionsMaxMin + unionPart + FunctionsOrderBy1); |
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431 } |
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432 |
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433 @Override |
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434 public String getSystemFunctions() { |
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435 final String wherePart = |
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436 "f.\"name\" IN ('columnsize','debug','get_value_for','hash','hashsize','heapsize'" + |
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437 ",'ifthenelse','imprintsize','isaurl','isauuid','isnull','masterclock','mastertick'" + |
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438 ",'md5','newurl','next_value_for','password_hash','replicaclock','replicatick','uuid')" + |
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439 // 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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440 " UNION ALL SELECT * FROM (VALUES('cast'),('coalesce'),('convert'),('nullif')) as sf"; |
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441 return getConcatenatedStringFromQuery(FunctionsSelect + wherePart + FunctionsOrderBy1); |
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442 } |
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443 |
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444 @Override |
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445 public String getTimeDateFunctions() { |
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446 final String wherePart = |
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447 "\"mod\" IN ('mtime','timestamp')" + |
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448 // include Date/Time functions which are located in 'str' module |
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449 " OR f.\"name\" IN ('localtime','localtimestamp','date_trunc')"; |
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450 final String unionPart = |
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451 // 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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452 " UNION SELECT 'extract'" + |
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453 " UNION SELECT 'now'"; |
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454 return getConcatenatedStringFromQuery(FunctionsSelect + wherePart + OrFunctionsMaxMin + unionPart + FunctionsOrderBy1); |
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455 } |
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456 |
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457 /** |
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458 * This is the string that can be used to escape '_' and '%' in |
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459 * a search string pattern style catalog search parameters |
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460 * |
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461 * @return the string used to escape wildcard characters |
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462 */ |
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463 @Override |
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464 public String getSearchStringEscape() { |
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465 return "\\"; |
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466 } |
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467 |
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468 /** |
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469 * Get all the "extra" characters that can be used in unquoted |
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470 * identifier names (those beyond a-zA-Z0-9 and _) |
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471 * |
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472 * @return a string containing the extra characters |
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473 */ |
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474 @Override |
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475 public String getExtraNameCharacters() { |
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194
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476 // MonetDB has no extra characters. Verified it for chars: !@#$%^&*()~{}[]? |
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477 return ""; |
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478 } |
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479 |
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480 /** |
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481 * Is "ALTER TABLE" with an add column supported? |
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482 * |
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483 * @return true if so |
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484 */ |
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485 @Override |
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486 public boolean supportsAlterTableWithAddColumn() { |
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487 return true; |
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488 } |
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489 |
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490 /** |
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491 * Is "ALTER TABLE" with a drop column supported? |
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492 * |
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493 * @return true if so |
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494 */ |
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495 @Override |
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496 public boolean supportsAlterTableWithDropColumn() { |
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497 return true; |
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498 } |
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499 |
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500 /** |
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501 * Is column aliasing supported? |
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502 * |
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503 * <p>If so, the SQL AS clause can be used to provide names for |
|
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504 * computed columns or to provide alias names for columns as required. |
|
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505 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
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506 * |
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507 * <p>e.g. |
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508 * |
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509 * <br><pre> |
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510 * select count(C) as C_COUNT from T group by C; |
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511 * |
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512 * </pre><br> |
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513 * should return a column named as C_COUNT instead of count(C) |
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514 * |
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515 * @return true if so |
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516 */ |
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517 @Override |
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518 public boolean supportsColumnAliasing() { |
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519 return true; |
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520 } |
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521 |
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522 /** |
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523 * Are concatenations between NULL and non-NULL values NULL? |
|
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524 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
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525 * |
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526 * @return true if so |
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527 */ |
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528 @Override |
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529 public boolean nullPlusNonNullIsNull() { |
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530 return true; |
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531 } |
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532 |
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533 /** |
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534 * Retrieves whether this database supports the JDBC scalar function |
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535 * CONVERT for the conversion of one JDBC type to another. |
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536 * The JDBC types are the generic SQL data types defined in java.sql.Types. |
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537 * |
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538 * @return true if so; false otherwise |
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|
539 */ |
|
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changeset
|
540 @Override |
|
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|
541 public boolean supportsConvert() { |
|
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542 return true; |
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parents:
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543 } |
|
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Sjoerd Mullender <sjoerd@acm.org>
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|
544 |
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
545 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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546 * Retrieves whether this database supports the JDBC scalar function |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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547 * CONVERT for conversions between the JDBC types fromType and toType. |
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548 * The JDBC types are the generic SQL data types defined in java.sql.Types. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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549 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
550 * @return true if so; false otherwise |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
551 */ |
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
552 @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
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|
553 public boolean supportsConvert(final int fromType, final int toType) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
554 switch (fromType) { |
|
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parents:
diff
changeset
|
555 case Types.BOOLEAN: |
|
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|
556 switch (toType) { |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
557 case Types.BOOLEAN: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
558 /* case Types.BIT: is not supported by MonetDB and will fail */ |
|
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Sjoerd Mullender <sjoerd@acm.org>
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|
559 case Types.TINYINT: |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
560 case Types.SMALLINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
561 case Types.INTEGER: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
562 case Types.BIGINT: |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
563 /* conversion to FLOAT, REAL, DOUBLE, NUMERIC and DECIMAL is not supported by MonetDB */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
564 case Types.CHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
565 case Types.VARCHAR: |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
566 /* case Types.LONGVARCHAR: is not supported by MonetDB and will fail */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
567 case Types.CLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
568 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
569 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
570 // conversion to all other types is not supported |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
571 return false; |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
572 /* 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:
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changeset
|
573 /* case Types.BINARY: is not supported by MonetDB and will fail */ |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
574 /* case Types.VARBINARY: is not supported by MonetDB and will fail */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
575 /* case Types.LONGVARBINARY: is not supported by MonetDB and will fail */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
576 case Types.BLOB: |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
577 switch (toType) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
578 /* case Types.BINARY: is not supported by MonetDB and will fail */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
579 /* case Types.VARBINARY: is not supported by MonetDB and will fail */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
580 /* case Types.LONGVARBINARY: is not supported by MonetDB and will fail */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
581 case Types.BLOB: |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
582 case Types.VARCHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
583 /* 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
|
584 case Types.CLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
585 return true; |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
586 } |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
587 // conversion to all other types is not supported |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
588 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
589 case Types.TINYINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
590 case Types.SMALLINT: |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
591 case Types.INTEGER: |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
592 case Types.BIGINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
593 case Types.FLOAT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
594 case Types.REAL: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
595 case Types.DOUBLE: |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
596 case Types.NUMERIC: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
597 case Types.DECIMAL: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
598 switch (toType) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
599 case Types.BOOLEAN: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
600 /* 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:
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changeset
|
601 case Types.TINYINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
602 case Types.SMALLINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
603 case Types.INTEGER: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
604 case Types.BIGINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
605 case Types.FLOAT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
606 case Types.REAL: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
607 case Types.DOUBLE: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
608 case Types.NUMERIC: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
609 case Types.DECIMAL: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
610 case Types.CHAR: |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
611 case Types.VARCHAR: |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
612 /* case Types.LONGVARCHAR: is not supported by MonetDB and will fail */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
613 case Types.CLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
614 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
615 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
616 // conversion to all other types is not supported |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
617 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
618 case Types.CHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
619 case Types.VARCHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
620 /* case Types.LONGVARCHAR: is not supported by MonetDB and will fail */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
621 case Types.CLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
622 switch (toType) { |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
623 case Types.BOOLEAN: |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
624 /* case Types.BIT: is not supported by MonetDB and will fail */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
625 case Types.TINYINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
626 case Types.SMALLINT: |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
627 case Types.INTEGER: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
628 case Types.BIGINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
629 case Types.FLOAT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
630 case Types.REAL: |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
631 case Types.DOUBLE: |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
632 case Types.NUMERIC: |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
633 case Types.DECIMAL: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
634 case Types.CHAR: |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
635 case Types.VARCHAR: |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
636 /* case Types.LONGVARCHAR: is not supported by MonetDB and will fail */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
637 case Types.CLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
638 case Types.BLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
639 case Types.DATE: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
640 case Types.TIME: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
641 case Types.TIMESTAMP: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
642 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
643 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
644 // conversion to all other types is not supported |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
645 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
646 case Types.DATE: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
647 switch (toType) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
648 case Types.CHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
649 case Types.VARCHAR: |
|
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|
650 /* case Types.LONGVARCHAR: is not supported by MonetDB and will fail */ |
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651 case Types.CLOB: |
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652 case Types.DATE: |
|
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653 case Types.TIMESTAMP: |
|
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changeset
|
654 return true; |
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|
655 } |
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|
656 // conversion to all other types is not supported |
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657 return false; |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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658 case Types.TIME: |
|
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|
659 switch (toType) { |
|
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660 case Types.CHAR: |
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661 case Types.VARCHAR: |
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662 /* case Types.LONGVARCHAR: is not supported by MonetDB and will fail */ |
|
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|
663 case Types.CLOB: |
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664 case Types.TIME: |
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665 return true; |
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666 } |
|
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667 // conversion to all other types is not supported |
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|
668 return false; |
|
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669 case Types.TIMESTAMP: |
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670 switch (toType) { |
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671 case Types.CHAR: |
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672 case Types.VARCHAR: |
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|
673 /* case Types.LONGVARCHAR: is not supported by MonetDB and will fail */ |
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674 case Types.CLOB: |
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675 case Types.DATE: |
|
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676 case Types.TIME: |
|
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|
677 case Types.TIMESTAMP: |
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|
678 return true; |
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679 } |
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680 // conversion to all other types is not supported |
|
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|
681 return false; |
|
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|
682 } |
|
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|
683 |
|
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|
684 // conversion from all other JDBC SQL types are not supported |
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685 return false; |
|
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|
686 } |
|
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|
687 |
|
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|
688 /** |
|
213
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Update some documentation text
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parents:
200
diff
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|
689 * Are table correlation names supported? |
|
231
68b9452f1215
Fix warnings:
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222
diff
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|
690 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
0
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|
691 * |
|
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|
692 * @return true if so |
|
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693 */ |
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694 @Override |
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|
695 public boolean supportsTableCorrelationNames() { |
|
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|
696 return true; |
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|
697 } |
|
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|
698 |
|
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|
699 /** |
|
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|
700 * If table correlation names are supported, are they restricted to |
|
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|
701 * be different from the names of the tables? |
|
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|
702 * |
|
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|
703 * @return true if so; false otherwise |
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|
704 */ |
|
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|
705 @Override |
|
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|
706 public boolean supportsDifferentTableCorrelationNames() { |
|
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|
707 return false; |
|
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|
708 } |
|
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changeset
|
709 |
|
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Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
710 /** |
|
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changeset
|
711 * Are expressions in "ORDER BY" lists supported? |
|
a5a898f6886c
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|
712 * e.g. select * from t order by a + b; |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
713 * |
|
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|
714 * MonetDB supports this, try: |
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|
715 * select (radix * 1000) + digits as comp, * from types order by (radix * 1000) + digits, -id; |
|
a5a898f6886c
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|
716 * |
|
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|
717 * @return true if so |
|
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|
718 */ |
|
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|
719 @Override |
|
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|
720 public boolean supportsExpressionsInOrderBy() { |
|
a5a898f6886c
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|
721 return true; |
|
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|
722 } |
|
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|
723 |
|
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parents:
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|
724 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
725 * Can an "ORDER BY" clause use columns not in the SELECT? |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
726 * MonetDB differs from SQL03 => true |
|
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|
727 * |
|
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changeset
|
728 * @return true if so |
|
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changeset
|
729 */ |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
730 @Override |
|
a5a898f6886c
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diff
changeset
|
731 public boolean supportsOrderByUnrelated() { |
|
a5a898f6886c
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changeset
|
732 return true; |
|
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
733 } |
|
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changeset
|
734 |
|
a5a898f6886c
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changeset
|
735 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
736 * Is some form of "GROUP BY" clause supported? |
|
a5a898f6886c
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parents:
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changeset
|
737 * |
|
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changeset
|
738 * @return true since MonetDB supports it |
|
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|
739 */ |
|
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parents:
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changeset
|
740 @Override |
|
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changeset
|
741 public boolean supportsGroupBy() { |
|
a5a898f6886c
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diff
changeset
|
742 return true; |
|
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parents:
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changeset
|
743 } |
|
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parents:
diff
changeset
|
744 |
|
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parents:
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changeset
|
745 /** |
|
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changeset
|
746 * Can a "GROUP BY" clause use columns not in the SELECT? |
|
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parents:
diff
changeset
|
747 * |
|
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changeset
|
748 * @return true since that also is supported |
|
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changeset
|
749 */ |
|
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parents:
diff
changeset
|
750 @Override |
|
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changeset
|
751 public boolean supportsGroupByUnrelated() { |
|
a5a898f6886c
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parents:
diff
changeset
|
752 return true; |
|
a5a898f6886c
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parents:
diff
changeset
|
753 } |
|
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parents:
diff
changeset
|
754 |
|
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
755 /** |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
756 * Can a "GROUP BY" clause add columns not in the SELECT provided |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
757 * it specifies all the columns in the SELECT? |
|
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parents:
diff
changeset
|
758 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
759 * (MonetDB already supports the more difficult supportsGroupByUnrelated(), |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
760 * so this is a piece of cake) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
761 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
762 * @return true if so |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
763 */ |
|
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|
764 @Override |
|
a5a898f6886c
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changeset
|
765 public boolean supportsGroupByBeyondSelect() { |
|
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|
766 return true; |
|
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767 } |
|
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768 |
|
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|
769 /** |
|
213
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770 * Is the escape character in "LIKE" clauses supported? |
|
231
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771 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
0
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|
772 * |
|
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|
773 * @return true if so |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
774 */ |
|
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changeset
|
775 @Override |
|
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|
776 public boolean supportsLikeEscapeClause() { |
|
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777 return true; |
|
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|
778 } |
|
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|
779 |
|
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|
780 /** |
|
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|
781 * Are multiple ResultSets from a single execute supported? |
|
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|
782 * |
|
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|
783 * @return true if so |
|
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|
784 */ |
|
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|
785 @Override |
|
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changeset
|
786 public boolean supportsMultipleResultSets() { |
|
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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 we have multiple transactions open at once (on different |
|
a5a898f6886c
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|
792 * connections?) |
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793 * This is the main idea behind the Connection, is it? |
|
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794 * |
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|
795 * @return true if so |
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|
796 */ |
|
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|
797 @Override |
|
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|
798 public boolean supportsMultipleTransactions() { |
|
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|
799 return true; |
|
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|
800 } |
|
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|
801 |
|
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|
802 /** |
|
213
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803 * Can columns be defined as non-nullable. |
|
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804 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
0
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|
805 * |
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|
806 * @return true if so |
|
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changeset
|
807 */ |
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|
808 @Override |
|
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|
809 public boolean supportsNonNullableColumns() { |
|
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|
810 return true; |
|
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|
811 } |
|
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|
812 |
|
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|
813 /** |
|
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|
814 * Does this driver support the minimum ODBC SQL grammar. This |
|
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|
815 * grammar is defined at: |
|
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|
816 * |
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817 * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/odbc/htm/odappcpr.asp |
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|
818 * From this description, we seem to support the ODBC minimal (Level 0) grammar. |
|
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|
819 * |
|
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|
820 * @return true if so |
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|
821 */ |
|
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|
822 @Override |
|
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|
823 public boolean supportsMinimumSQLGrammar() { |
|
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|
824 return true; |
|
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|
825 } |
|
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|
826 |
|
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|
827 /** |
|
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|
828 * Does this driver support the Core ODBC SQL grammar. We need |
|
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|
829 * SQL-92 conformance for this. |
|
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|
830 * |
|
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|
831 * @return true if so |
|
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|
832 */ |
|
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|
833 @Override |
|
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|
834 public boolean supportsCoreSQLGrammar() { |
|
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|
835 return true; |
|
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|
836 } |
|
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|
837 |
|
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|
838 /** |
|
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|
839 * Does this driver support the Extended (Level 2) ODBC SQL |
|
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|
840 * grammar. We don't conform to the Core (Level 1), so we can't |
|
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|
841 * conform to the Extended SQL Grammar. |
|
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|
842 * |
|
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|
843 * @return true if so |
|
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|
844 */ |
|
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|
845 @Override |
|
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|
846 public boolean supportsExtendedSQLGrammar() { |
|
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|
847 return false; |
|
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|
848 } |
|
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|
849 |
|
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|
850 /** |
|
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changeset
|
851 * Does this driver support the ANSI-92 entry level SQL grammar? |
|
231
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|
852 * All JDBC Compliant <sup>TM</sup> drivers must return true. |
|
0
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changeset
|
853 * |
|
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|
854 * @return true if so |
|
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|
855 */ |
|
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changeset
|
856 @Override |
|
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changeset
|
857 public boolean supportsANSI92EntryLevelSQL() { |
|
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|
858 return true; |
|
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|
859 } |
|
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|
860 |
|
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|
861 /** |
|
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|
862 * Does this driver support the ANSI-92 intermediate level SQL |
|
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|
863 * grammar? |
|
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|
864 * probably not |
|
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|
865 * |
|
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|
866 * @return true if so |
|
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|
867 */ |
|
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|
868 @Override |
|
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|
869 public boolean supportsANSI92IntermediateSQL() { |
|
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changeset
|
870 return false; |
|
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changeset
|
871 } |
|
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changeset
|
872 |
|
a5a898f6886c
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changeset
|
873 /** |
|
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changeset
|
874 * Does this driver support the ANSI-92 full SQL grammar? |
|
a5a898f6886c
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changeset
|
875 * Would be good if it was like that |
|
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|
876 * |
|
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changeset
|
877 * @return true if so |
|
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diff
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|
878 */ |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
879 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
880 public boolean supportsANSI92FullSQL() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
881 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
882 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
883 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
884 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
885 * Is the SQL Integrity Enhancement Facility supported? |
|
267
43ea6c50483e
Correct return value for supportsIntegrityEnhancementFacility()
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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265
diff
changeset
|
886 * |
|
43ea6c50483e
Correct return value for supportsIntegrityEnhancementFacility()
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
265
diff
changeset
|
887 * 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
|
888 * 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
|
889 * primary and foreign keys with the requirement that no foreign key row may be inserted or |
|
43ea6c50483e
Correct return value for supportsIntegrityEnhancementFacility()
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
265
diff
changeset
|
890 * 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
|
891 * 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
|
892 * Default clauses provide optional default values for missing data. |
|
267
43ea6c50483e
Correct return value for supportsIntegrityEnhancementFacility()
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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265
diff
changeset
|
893 * |
|
43ea6c50483e
Correct return value for supportsIntegrityEnhancementFacility()
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
265
diff
changeset
|
894 * We currently do not supprt CHECK constraints (see bug 3568) nor deferrable FK constraints. |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
895 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
896 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
897 */ |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
898 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
899 public boolean supportsIntegrityEnhancementFacility() { |
|
267
43ea6c50483e
Correct return value for supportsIntegrityEnhancementFacility()
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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265
diff
changeset
|
900 return false; |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
901 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
902 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
903 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
904 * Is some form of outer join supported? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
905 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
906 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
907 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
908 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
909 public boolean supportsOuterJoins(){ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
910 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
911 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
912 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
913 /** |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
914 * Are full nested outer joins supported? |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
915 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
916 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
917 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
918 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
919 public boolean supportsFullOuterJoins() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
920 return true; |
|
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 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
923 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
924 * Is there limited support for outer joins? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
925 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
926 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
927 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
928 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
929 public boolean supportsLimitedOuterJoins() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
930 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
931 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
932 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
933 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
934 * What is the database vendor's preferred term for "schema"? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
935 * MonetDB uses the term "schema". |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
936 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
937 * @return the vendor term |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
938 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
939 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
940 public String getSchemaTerm() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
941 return "schema"; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
942 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
943 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
944 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
945 * What is the database vendor's preferred term for "procedure"? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
946 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
947 * @return the vendor term |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
948 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
949 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
950 public String getProcedureTerm() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
951 return "procedure"; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
952 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
953 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
954 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
955 * What is the database vendor's preferred term for "catalog"? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
956 * MonetDB doesn't really have them (from driver accessible) but |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
957 * from the monetdb.conf file the term "database" sounds best |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
958 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
959 * @return the vendor term |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
960 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
961 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
962 public String getCatalogTerm() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
963 return "database"; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
964 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
965 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
966 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
967 * Does a catalog appear at the start of a qualified table name? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
968 * (Otherwise it appears at the end). |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
969 * Currently there is no catalog support at all in MonetDB |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
970 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
971 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
972 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
973 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
974 public boolean isCatalogAtStart() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
975 // return true here; we return false for every other catalog function |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
976 // so it won't matter what we return here |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
977 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
978 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
979 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
980 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
981 * What is the Catalog separator. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
982 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
983 * @return the catalog separator string |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
984 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
985 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
986 public String getCatalogSeparator() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
987 // MonetDB does NOT support catalogs, so also no catalog separator |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
988 return null; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
989 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
990 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
991 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
992 * Can a schema name be used in a data manipulation statement? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
993 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
994 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
995 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
996 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
997 public boolean supportsSchemasInDataManipulation() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
998 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
999 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1000 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1001 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1002 * Can a schema name be used in a procedure call statement? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1003 * Ohw probably, but I don't know of procedures in MonetDB |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1004 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1005 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1006 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1007 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1008 public boolean supportsSchemasInProcedureCalls() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1009 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1010 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1011 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1012 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1013 * Can a schema be used in a table definition statement? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1014 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1015 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1016 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1017 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1018 public boolean supportsSchemasInTableDefinitions() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1019 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1020 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1021 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1022 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1023 * Can a schema name be used in an index definition statement? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1024 * |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1025 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1026 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1027 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1028 public boolean supportsSchemasInIndexDefinitions() { |
|
294
894abb249de1
Corrected 3 MonetDatabaseMetaData methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
286
diff
changeset
|
1029 // we currently do NOT support: create index sch.tblidx on sch.tbl(col); |
|
894abb249de1
Corrected 3 MonetDatabaseMetaData methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
286
diff
changeset
|
1030 // only: create index tblidx on sch.tbl(col); |
|
894abb249de1
Corrected 3 MonetDatabaseMetaData methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
286
diff
changeset
|
1031 return false; |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1032 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1033 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1034 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1035 * Can a schema name be used in a privilege definition statement? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1036 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1037 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1038 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1039 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1040 public boolean supportsSchemasInPrivilegeDefinitions() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1041 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1042 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1043 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1044 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1045 * Can a catalog name be used in a data manipulation statement? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1046 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1047 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1048 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1049 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1050 public boolean supportsCatalogsInDataManipulation() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1051 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1052 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1053 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1054 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1055 * Can a catalog name be used in a procedure call statement? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1056 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1057 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1058 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1059 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1060 public boolean supportsCatalogsInProcedureCalls() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1061 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1062 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1063 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1064 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1065 * Can a catalog name be used in a table definition statement? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1066 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1067 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1068 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1069 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1070 public boolean supportsCatalogsInTableDefinitions() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1071 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1072 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1073 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1074 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1075 * Can a catalog name be used in an index definition? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1076 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1077 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1078 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1079 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1080 public boolean supportsCatalogsInIndexDefinitions() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1081 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1082 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1083 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1084 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1085 * Can a catalog name be used in a privilege definition statement? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1086 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1087 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1088 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1089 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1090 public boolean supportsCatalogsInPrivilegeDefinitions() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1091 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1092 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1093 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1094 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1095 * MonetDB doesn't support positioned DELETEs I guess |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1096 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1097 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1098 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1099 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1100 public boolean supportsPositionedDelete() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1101 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1102 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1103 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1104 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1105 * Is positioned UPDATE supported? (same as above) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1106 * |
|
a5a898f6886c
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|
1107 * @return true if so |
|
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|
1108 */ |
|
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|
1109 @Override |
|
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|
1110 public boolean supportsPositionedUpdate() { |
|
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|
1111 return false; |
|
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|
1112 } |
|
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|
1113 |
|
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|
1114 /** |
|
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|
1115 * Is SELECT FOR UPDATE supported? |
|
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|
1116 * My test resulted in a negative answer |
|
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|
1117 * |
|
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|
1118 * @return true if so; false otherwise |
|
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|
1119 */ |
|
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|
1120 @Override |
|
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|
1121 public boolean supportsSelectForUpdate(){ |
|
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|
1122 return false; |
|
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|
1123 } |
|
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|
1124 |
|
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|
1125 /** |
|
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|
1126 * Are stored procedure calls using the stored procedure escape |
|
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|
1127 * syntax supported? |
|
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|
1128 * |
|
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|
1129 * @return true if so; false otherwise |
|
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|
1130 */ |
|
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|
1131 @Override |
|
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|
1132 public boolean supportsStoredProcedures() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
1133 return true; |
|
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|
1134 } |
|
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|
1135 |
|
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|
1136 /** |
|
213
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
1137 * Are subqueries in comparison expressions supported? |
|
231
68b9452f1215
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|
1138 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
213
115f6351bf4b
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|
1139 * MonetDB also supports this |
|
0
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|
1140 * |
|
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|
1141 * @return true if so; false otherwise |
|
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|
1142 */ |
|
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|
1143 @Override |
|
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|
1144 public boolean supportsSubqueriesInComparisons() { |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
1145 return true; |
|
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|
1146 } |
|
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|
1147 |
|
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|
1148 /** |
|
213
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|
1149 * Are subqueries in 'exists' expressions supported? |
|
231
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|
1150 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
0
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|
1151 * |
|
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|
1152 * @return true if so; false otherwise |
|
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|
1153 */ |
|
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changeset
|
1154 @Override |
|
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|
1155 public boolean supportsSubqueriesInExists() { |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
1156 return true; |
|
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|
1157 } |
|
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|
1158 |
|
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|
1159 /** |
|
213
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Update some documentation text
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
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|
1160 * Are subqueries in 'in' statements supported? |
|
231
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|
1161 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
0
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|
1162 * |
|
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|
1163 * @return true if so; false otherwise |
|
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|
1164 */ |
|
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|
1165 @Override |
|
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|
1166 public boolean supportsSubqueriesInIns() { |
|
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|
1167 return true; |
|
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|
1168 } |
|
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|
1169 |
|
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|
1170 /** |
|
213
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200
diff
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|
1171 * Are subqueries in quantified expressions supported? |
|
231
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|
1172 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
0
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|
1173 * |
|
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|
1174 * (No idea what this is, but we support a good deal of |
|
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|
1175 * subquerying.) |
|
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|
1176 * |
|
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|
1177 * @return true if so; false otherwise |
|
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|
1178 */ |
|
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changeset
|
1179 @Override |
|
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|
1180 public boolean supportsSubqueriesInQuantifieds() { |
|
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|
1181 return true; |
|
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|
1182 } |
|
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|
1183 |
|
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|
1184 /** |
|
213
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|
1185 * Are correlated subqueries supported? |
|
231
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|
1186 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
0
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|
1187 * |
|
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|
1188 * (a.k.a. subselect in from?) |
|
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|
1189 * |
|
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|
1190 * @return true if so; false otherwise |
|
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|
1191 */ |
|
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|
1192 @Override |
|
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|
1193 public boolean supportsCorrelatedSubqueries() { |
|
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|
1194 return true; |
|
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|
1195 } |
|
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|
1196 |
|
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|
1197 /** |
|
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|
1198 * Is SQL UNION supported? |
|
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|
1199 * since 2004-03-20 |
|
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|
1200 * |
|
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|
1201 * @return true if so |
|
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|
1202 */ |
|
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|
1203 @Override |
|
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|
1204 public boolean supportsUnion() { |
|
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|
1205 return true; |
|
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|
1206 } |
|
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|
1207 |
|
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changeset
|
1208 /** |
|
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|
1209 * Is SQL UNION ALL supported? |
|
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|
1210 * since 2004-03-20 |
|
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|
1211 * |
|
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|
1212 * @return true if so |
|
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|
1213 */ |
|
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|
1214 @Override |
|
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|
1215 public boolean supportsUnionAll() { |
|
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|
1216 return true; |
|
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|
1217 } |
|
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|
1218 |
|
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|
1219 /** |
|
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|
1220 * ResultSet objects (cursors) are not closed upon explicit or |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1221 * implicit commit. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1222 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1223 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1224 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1225 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1226 public boolean supportsOpenCursorsAcrossCommit() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1227 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1228 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1229 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1230 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1231 * Same as above |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1232 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1233 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1234 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1235 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1236 public boolean supportsOpenCursorsAcrossRollback() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1237 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1238 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1239 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1240 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1241 * Can statements remain open across commits? They may, but |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1242 * this driver cannot guarentee that. In further reflection. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1243 * we are taking a Statement object here, so the answer is |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1244 * yes, since the Statement is only a vehicle to execute some SQL |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1245 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1246 * @return true if they always remain open; false otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1247 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1248 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1249 public boolean supportsOpenStatementsAcrossCommit() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1250 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1251 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1252 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1253 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1254 * Can statements remain open across rollbacks? They may, but |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1255 * this driver cannot guarentee that. In further contemplation, |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1256 * 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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changeset
|
1257 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1258 * @return true if they always remain open; false otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1259 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1260 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1261 public boolean supportsOpenStatementsAcrossRollback() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1262 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1263 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1264 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1265 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1266 * 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
|
1267 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1268 * @return the max literal length |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1269 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1270 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1271 public int getMaxBinaryLiteralLength() { |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1272 return 2*1024*1024*1024 - 2; // MonetDB supports null terminated strings of max 2GB, see function: int UTF8_strlen() |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1273 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1274 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1275 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1276 * 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
|
1277 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1278 * @return the max literal length |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1279 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1280 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1281 public int getMaxCharLiteralLength() { |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1282 return 2*1024*1024*1024 - 2; // MonetDB supports null terminated strings of max 2GB, see function: int UTF8_strlen() |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1283 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1284 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1285 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1286 * Whats the limit on column name length. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1287 * I take some safety here, but it's just a varchar in MonetDB |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1288 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1289 * @return the maximum column name length |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1290 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1291 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1292 public int getMaxColumnNameLength() { |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1293 return 1024; // In MonetDB the max length of column sys._columns.name is defined as 1024 |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1294 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1295 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1296 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1297 * What is the maximum number of columns in a "GROUP BY" clause? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1298 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1299 * @return the max number of columns |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1300 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1301 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1302 public int getMaxColumnsInGroupBy() { |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1303 return 0; // no specific limit known |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1304 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1305 |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1306 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
1307 * What's the maximum number of columns allowed in an index? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1308 * |
|
a5a898f6886c
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parents:
diff
changeset
|
1309 * @return max number of columns |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1310 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1311 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1312 public int getMaxColumnsInIndex() { |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1313 return 0; // no specific limit known |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
1314 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
1315 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1316 /** |
|
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parents:
diff
changeset
|
1317 * What's the maximum number of columns in an "ORDER BY clause? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1318 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
1319 * @return the max columns |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1320 */ |
|
a5a898f6886c
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parents:
diff
changeset
|
1321 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1322 public int getMaxColumnsInOrderBy() { |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1323 return 0; // no specific limit known |
|
0
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parents:
diff
changeset
|
1324 } |
|
a5a898f6886c
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parents:
diff
changeset
|
1325 |
|
a5a898f6886c
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parents:
diff
changeset
|
1326 /** |
|
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parents:
diff
changeset
|
1327 * What is the maximum number of columns in a "SELECT" list? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1328 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1329 * @return the max columns |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1330 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1331 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1332 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
|
1333 return 0; // no specific limit known |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1334 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1335 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1336 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1337 * What is the maximum 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
|
1338 * |
|
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1339 * The theoretical max value of int column sys._columns.id is 2^31 -1 |
|
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1340 * but this is for all columns of all tables in all schemas (including all data dictionary columns). |
|
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1341 * For one table we should reduce it to a more practical soft limit of say 100 thousand |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1342 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1343 * @return the max columns |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1344 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1345 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1346 public int getMaxColumnsInTable() { |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1347 return 100*1000; // soft limit it to 100 thousand |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1348 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1349 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1350 /** |
|
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
|
1351 * Retrieves the maximum number of concurrent connections to this database that are possible. |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
1352 * |
|
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
|
1353 * @return the maximum number of active connections possible at one time; a result of zero means that there is no limit or the limit is not known |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1354 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1355 @Override |
|
7
b3ca1157be73
Improve DatabaseMetaData.getDatabaseProductVersion() to never return a null String.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
0
diff
changeset
|
1356 public int getMaxConnections() throws SQLException { |
|
332
e8962bdaa206
Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
331
diff
changeset
|
1357 return con.getMaxConnections(); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
1358 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1359 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1360 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1361 * What is the maximum cursor name length |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1362 * Actually we do not do named cursors, so I keep the value small as |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1363 * a precaution for maybe the future. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1364 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1365 * @return max cursor name length in bytes |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1368 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
|
1369 return 0; // no specific limit known |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1370 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1371 |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1372 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1373 * 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
|
1374 * of the parts of the index. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1375 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1376 * @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
|
1377 * 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:
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|
1378 * 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:
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|
1379 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1380 @Override |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1381 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
|
1382 return 0; // no specific limit known |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1383 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1384 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1385 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1386 * 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
|
1387 * allows in a schema name. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1388 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1389 * @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
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|
1390 * limit is unknown. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
1391 */ |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1392 @Override |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1393 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
|
1394 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>
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|
1395 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1396 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
1397 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1398 * 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
|
1399 * |
|
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parents:
diff
changeset
|
1400 * @return the max name length in bytes |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
1401 */ |
|
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parents:
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changeset
|
1402 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1403 public int getMaxProcedureNameLength() { |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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7
diff
changeset
|
1404 return 256; // In MonetDB the max length of column sys.functions.name is defined as 256 |
|
0
a5a898f6886c
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changeset
|
1405 } |
|
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parents:
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changeset
|
1406 |
|
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parents:
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changeset
|
1407 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
1408 * What is the maximum length of a catalog |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
1409 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1410 * @return the maximum number of characters allowed in a catalog name; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
1411 * a result of zero means that there is no limit or the limit is not known |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
1412 */ |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1413 @Override |
|
a5a898f6886c
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parents:
diff
changeset
|
1414 public int getMaxCatalogNameLength() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1415 return 0; // MonetDB does not support catalog names |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
1416 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1417 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1418 /** |
|
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parents:
diff
changeset
|
1419 * 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
|
1420 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
1421 * @return max row size in bytes |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1422 */ |
|
a5a898f6886c
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diff
changeset
|
1423 @Override |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1424 public int getMaxRowSize() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1425 return 0; // very long I hope... |
|
a5a898f6886c
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changeset
|
1426 } |
|
a5a898f6886c
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diff
changeset
|
1427 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1428 /** |
|
15
6e48d0fae766
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1429 * Did getMaxRowSize() include the SQL data types LONGVARCHAR and LONGVARBINARY |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
1430 * blobs? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1431 * Yes I thought so... |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1432 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1433 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1434 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1435 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1436 public boolean doesMaxRowSizeIncludeBlobs() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1437 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1438 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1439 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1440 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1441 * 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
|
1442 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1443 * @return max length in bytes |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1444 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1445 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1446 public int getMaxStatementLength() { |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1447 return 2*1024*1024*1024 - 2; // MonetDB supports null terminated strings of max 2GB, see function: int UTF8_strlen() |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1448 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1449 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1450 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1451 * 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
|
1452 * this database? Basically, since each Statement downloads |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1453 * 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
|
1454 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1455 * @return the maximum |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1458 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
|
1459 return 0; // no specific limit known |
|
0
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 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1462 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1463 * 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
|
1464 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1465 * @return max name length in bytes |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1466 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1467 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1468 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
|
1469 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
|
1470 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1471 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1472 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1473 * 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
|
1474 * in a SELECT? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1475 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1476 * @return the maximum |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1479 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
|
1480 return 0; // no specific limit known |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1481 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1482 |
|
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 * What is the maximum length of a user name |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1485 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1486 * @return the max name length in bytes |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1487 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1488 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1489 public int getMaxUserNameLength() { |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1490 return 1024; // In MonetDB the max length of column sys.db_user_info.name is defined as 1024 |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1491 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1492 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1493 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1494 * What is the database's default transaction isolation level? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1495 * We only see commited data, nonrepeatable reads and phantom |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1496 * reads can occur. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1497 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1498 * @return the default isolation level |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1499 * @see Connection |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1502 public int getDefaultTransactionIsolation() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1503 return Connection.TRANSACTION_SERIALIZABLE; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1504 } |
|
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 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1507 * Are transactions supported? If not, commit and rollback are noops |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1508 * and the isolation level is TRANSACTION_NONE. We do support |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1509 * transactions. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1510 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1511 * @return true if transactions are supported |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1514 public boolean supportsTransactions() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1515 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1516 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1517 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1518 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1519 * Does the database support the given transaction isolation level? |
|
213
115f6351bf4b
Update some documentation text
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
200
diff
changeset
|
1520 * We only support TRANSACTION_SERIALIZABLE as far as I know |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1521 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1522 * @param level the values are defined in java.sql.Connection |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1523 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1524 * @see Connection |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1525 */ |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1526 @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
|
1527 public boolean supportsTransactionIsolationLevel(final int level) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1528 return level == Connection.TRANSACTION_SERIALIZABLE; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1529 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1530 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1531 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1532 * Are both data definition and data manipulation transactions |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1533 * supported? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1534 * Supposedly that data definition is like CREATE or ALTER TABLE |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1535 * yes it is. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1536 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1537 * @return true if so |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1538 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1539 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1540 public boolean supportsDataDefinitionAndDataManipulationTransactions() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1541 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1542 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1543 |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1544 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1545 * Are only data manipulation statements within a transaction |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1546 * supported? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1547 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1548 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1549 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1550 @Override |
|
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|
1551 public boolean supportsDataManipulationTransactionsOnly() { |
|
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|
1552 return false; |
|
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|
1553 } |
|
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|
1554 |
|
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|
1555 /** |
|
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|
1556 * Does a data definition statement within a transaction force |
|
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|
1557 * the transaction to commit? I think this means something like: |
|
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|
1558 * |
|
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|
1559 * <pre> |
|
0
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|
1560 * CREATE TABLE T (A INT); |
|
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|
1561 * INSERT INTO T (A) VALUES (2); |
|
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|
1562 * BEGIN; |
|
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|
1563 * UPDATE T SET A = A + 1; |
|
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|
1564 * CREATE TABLE X (A INT); |
|
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|
1565 * SELECT A FROM T INTO X; |
|
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|
1566 * COMMIT; |
|
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|
1567 * </pre> |
|
0
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|
1568 * |
|
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|
1569 * does the CREATE TABLE call cause a commit? The answer is no. |
|
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|
1570 * |
|
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|
1571 * @return true if so |
|
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|
1572 */ |
|
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|
1573 @Override |
|
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|
1574 public boolean dataDefinitionCausesTransactionCommit() { |
|
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1575 return false; |
|
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|
1576 } |
|
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|
1577 |
|
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|
1578 /** |
|
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|
1579 * Is a data definition statement within a transaction ignored? |
|
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|
1580 * |
|
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|
1581 * @return true if so |
|
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|
1582 */ |
|
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|
1583 @Override |
|
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|
1584 public boolean dataDefinitionIgnoredInTransactions() { |
|
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|
1585 return false; |
|
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|
1586 } |
|
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|
1587 |
|
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|
1588 /** |
|
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|
1589 * Get a description of stored procedures available in a catalog |
|
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|
1590 * |
|
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|
1591 * <p>Only procedure descriptions matching the schema and procedure |
|
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|
1592 * name criteria are returned. They are ordered by PROCEDURE_SCHEM, |
|
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|
1593 * PROCEDURE_NAME and SPECIFIC_NAME. |
|
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|
1594 * |
|
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|
1595 * <p>Each procedure description has the following columns: |
|
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|
1596 * <ol> |
|
194
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|
1597 * <li><b>PROCEDURE_CAT</b> String => procedure catalog (may be null) |
|
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|
1598 * <li><b>PROCEDURE_SCHEM</b> String => procedure schema (may be null) |
|
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1599 * <li><b>PROCEDURE_NAME</b> String => procedure name |
|
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|
1600 * <li><b>Field4</b> reserved (make it null) |
|
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|
1601 * <li><b>Field5</b> reserved (make it null) |
|
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|
1602 * <li><b>Field6</b> reserved (make it null) |
|
194
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|
1603 * <li><b>REMARKS</b> String => explanatory comment on the procedure |
|
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|
1604 * <li><b>PROCEDURE_TYPE</b> short => kind of procedure |
|
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|
1605 * <ul> |
|
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|
1606 * <li> procedureResultUnknown - May return a result |
|
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|
1607 * <li> procedureNoResult - Does not return a result |
|
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|
1608 * <li> procedureReturnsResult - Returns a result |
|
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|
1609 * </ul> |
|
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1610 * <li><b>SPECIFIC_NAME</b> String => The name which uniquely identifies this procedure within its schema. |
|
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|
1611 * </ol> |
|
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|
1612 * |
|
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|
1613 * @param catalog - a catalog name; must match the catalog name as it is stored in the database; |
|
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|
1614 * "" retrieves those without a catalog; |
|
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|
1615 * null means that the catalog name should not be used to narrow the search |
|
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|
1616 * @param schemaPattern - a schema name pattern; must match the schema name as it is stored in the database; |
|
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|
1617 * "" retrieves those without a schema; |
|
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|
1618 * null means that the schema name should not be used to narrow the search |
|
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|
1619 * @param procedureNamePattern - a procedure name pattern; must match the procedure name as it is stored in the database |
|
245
55375d489024
Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
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diff
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|
1620 * 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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|
1621 * @return ResultSet - each row is a procedure description |
|
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|
1622 * @throws SQLException if a database access error occurs |
|
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|
1623 */ |
|
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|
1624 @Override |
|
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|
1625 public ResultSet getProcedures( |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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|
1626 final String catalog, |
|
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|
1627 final String schemaPattern, |
|
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|
1628 final String procedureNamePattern |
|
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|
1629 ) throws SQLException |
|
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|
1630 { |
|
332
e8962bdaa206
Moved utility methods and associated caches from DatabaseMetaData to Connection object.
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|
1631 final boolean useCommentsTable = con.commentsTableExists(); |
|
295
003ae6d881db
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|
1632 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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|
1633 query.append("SELECT cast(null as char(1)) AS \"PROCEDURE_CAT\", " + |
|
302
1b6c514106ce
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|
1634 "s.\"name\" AS \"PROCEDURE_SCHEM\", " + |
|
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|
1635 "f.\"name\" AS \"PROCEDURE_NAME\", " + |
|
0
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|
1636 "cast(null as char(1)) AS \"Field4\", " + |
|
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|
1637 "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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|
1638 "cast(null as char(1)) AS \"Field6\", ") |
|
302
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|
1639 .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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|
1640 // in MonetDB procedures have no return value by design. |
|
217
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
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|
1641 "cast(").append(DatabaseMetaData.procedureNoResult).append(" AS smallint) AS \"PROCEDURE_TYPE\", " + |
|
0
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|
1642 // 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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|
1643 "cast(f.\"id\" as varchar(10)) AS \"SPECIFIC_NAME\" " + |
|
352
f62137dd6050
Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
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|
1644 "FROM \"sys\".\"functions\" f JOIN \"sys\".\"schemas\" s ON f.\"schema_id\" = s.\"id\" "); |
|
215
71b039bc2d99
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|
1645 if (useCommentsTable) { |
|
352
f62137dd6050
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|
1646 query.append("LEFT OUTER JOIN \"sys\".\"comments\" cm ON f.\"id\" = cm.\"id\" "); |
|
215
71b039bc2d99
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|
1647 } |
|
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|
1648 // include procedures only (type = 2). Others will be returned via getFunctions() |
|
302
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|
1649 query.append("WHERE f.\"type\" = 2"); |
|
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|
1650 |
|
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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|
1651 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
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|
1652 // non-empty catalog selection. |
|
0
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|
1653 // as we do not support catalogs this always results in no rows returned |
|
352
f62137dd6050
Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
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|
1654 query.append(" AND 1=0"); |
|
216
116b5a149fb4
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|
1655 } else { |
|
323
8701024a9bb0
In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
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|
1656 if (schemaPattern != null && !schemaPattern.equals("%")) { |
|
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Added table aliases and use them in all meta data SQL queries to reduce query size.
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|
1657 query.append(" AND s.\"name\" ").append(composeMatchPart(schemaPattern)); |
|
216
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|
1658 } |
|
323
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|
1659 if (procedureNamePattern != null && !procedureNamePattern.equals("%")) { |
|
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|
1660 query.append(" AND f.\"name\" ").append(composeMatchPart(procedureNamePattern)); |
|
216
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|
1661 } |
|
0
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diff
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|
1662 } |
|
216
116b5a149fb4
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|
1663 |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1664 query.append(" ORDER BY \"PROCEDURE_SCHEM\", \"PROCEDURE_NAME\", \"SPECIFIC_NAME\""); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
1665 |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1666 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
1667 } |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
1668 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
1669 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1670 * Get a description of a catalog's stored procedure parameters |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
1671 * and result columns. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
1672 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
1673 * <p>Only descriptions matching the schema, procedure and parameter name |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
1674 * criteria are returned. They are ordered by PROCEDURE_SCHEM, PROCEDURE_NAME |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1675 * and SPECIFIC_NAME. Within this, the return value, if any, is first. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
1676 * Next are the parameter descriptions in call order. The |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1677 * column descriptions follow in column number order. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1678 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1679 * <p>Each row in the ResultSet is a parameter description or column |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
1680 * description with the following fields: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
1681 * <ol> |
|
194
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|
1682 * <li><b>PROCEDURE_CAT</b> String => procedure catalog (may be null) |
|
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|
1683 * <li><b>PROCEDURE_SCHEM</b> String => procedure schema (may be null) |
|
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|
1684 * <li><b>PROCEDURE_NAME</b> String => procedure name |
|
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diff
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|
1685 * <li><b>COLUMN_NAME</b> String => column/parameter name |
|
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|
1686 * <li><b>COLUMN_TYPE</b> Short => kind of column/parameter: |
|
0
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parents:
diff
changeset
|
1687 * <ul><li>procedureColumnUnknown - nobody knows |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1688 * <li>procedureColumnIn - IN parameter |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1689 * <li>procedureColumnInOut - INOUT parameter |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1690 * <li>procedureColumnOut - OUT parameter |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1691 * <li>procedureColumnReturn - procedure return value |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1692 * <li>procedureColumnResult - result column in ResultSet |
|
a5a898f6886c
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parents:
diff
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|
1693 * </ul> |
|
194
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|
1694 * <li><b>DATA_TYPE</b> int => SQL type from java.sql.Types |
|
1296dbcc4958
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|
1695 * <li><b>TYPE_NAME</b> String => SQL type name, for a UDT type the type name is fully qualified |
|
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Resolved javadoc many errors and warnings, such as:
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186
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|
1696 * <li><b>PRECISION</b> int => precision |
|
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
1697 * <li><b>LENGTH</b> int => length in bytes of data |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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186
diff
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|
1698 * <li><b>SCALE</b> short => scale - null is returned for data types where SCALE is not applicable. |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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186
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|
1699 * <li><b>RADIX</b> short => radix |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
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|
1700 * <li><b>NULLABLE</b> short => can it contain NULL? |
|
0
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1701 * <ul><li>procedureNoNulls - does not allow NULL values |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
1702 * <li>procedureNullable - allows NULL values |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
1703 * <li>procedureNullableUnknown - nullability unknown |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1704 * </ul> |
|
194
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Resolved javadoc many errors and warnings, such as:
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186
diff
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|
1705 * <li><b>REMARKS</b> String => comment describing parameter/column |
|
1296dbcc4958
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186
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|
1706 * <li><b>COLUMN_DEF</b> String => default value for the column, which should be interpreted as a string when the value is enclosed in single quotes (may be null) |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1707 * The string NULL (not enclosed in quotes) - if NULL was specified as the default value |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
1708 * TRUNCATE (not enclosed in quotes) - if the specified default value cannot be represented without truncation |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
1709 * NULL - if a default value was not specified |
|
194
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186
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|
1710 * <li><b>SQL_DATA_TYPE</b> int => reserved for future use |
|
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
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|
1711 * <li><b>SQL_DATETIME_SUB</b> int => reserved for future use |
|
1296dbcc4958
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|
1712 * <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 |
|
1296dbcc4958
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|
1713 * <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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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
1714 * A value of 0 is returned if this row describes the procedure's return value. For result set columns, it is the ordinal position of the |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
1715 * column in the result set starting from 1. If there are multiple result sets, the column ordinal positions are implementation defined. |
|
194
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|
1716 * <li><b>IS_NULLABLE</b> String => ISO rules are used to determine the nullability for a column. |
|
0
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|
1717 * <ul><li>YES --- if the parameter can include NULLs |
|
a5a898f6886c
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|
1718 * <li>NO --- if the parameter cannot include NULLs |
|
a5a898f6886c
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|
1719 * <li>empty string --- if the nullability for the parameter is unknown |
|
a5a898f6886c
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|
1720 * </ul> |
|
194
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|
1721 * <li><b>SPECIFIC_NAME</b> String => the name which uniquely identifies this procedure within its schema. |
|
0
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|
1722 * </ol> |
|
a5a898f6886c
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|
1723 * @param catalog - a catalog name; must match the catalog name as it is stored in the database; |
|
a5a898f6886c
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|
1724 * "" retrieves those without a catalog; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
1725 * null means that the catalog name should not be used to narrow the search |
|
a5a898f6886c
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parents:
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|
1726 * @param schemaPattern - a schema name pattern; must match the schema name as it is stored in the database; |
|
a5a898f6886c
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|
1727 * "" retrieves those without a schema; |
|
a5a898f6886c
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|
1728 * null means that the schema name should not be used to narrow the search |
|
a5a898f6886c
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diff
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|
1729 * @param procedureNamePattern - a procedure name pattern; must match the procedure name as it is stored in the database |
|
245
55375d489024
Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
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diff
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|
1730 * 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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|
1731 * @param columnNamePattern - a column name pattern; must match the column name as it is stored in the database |
|
245
55375d489024
Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
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diff
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|
1732 * 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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|
1733 * @return ResultSet - each row describes a stored procedure parameter or column |
|
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|
1734 * @throws SQLException if a database-access error occurs |
|
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|
1735 * @see #getSearchStringEscape |
|
a5a898f6886c
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|
1736 */ |
|
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|
1737 @Override |
|
a5a898f6886c
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|
1738 public ResultSet getProcedureColumns( |
|
295
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|
1739 final String catalog, |
|
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|
1740 final String schemaPattern, |
|
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|
1741 final String procedureNamePattern, |
|
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|
1742 final String columnNamePattern |
|
0
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|
1743 ) throws SQLException { |
|
295
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|
1744 final StringBuilder query = new StringBuilder(2900); |
|
217
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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216
diff
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|
1745 query.append("SELECT cast(null as char(1)) AS \"PROCEDURE_CAT\", " + |
|
302
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|
1746 "s.\"name\" AS \"PROCEDURE_SCHEM\", " + |
|
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|
1747 "f.\"name\" AS \"PROCEDURE_NAME\", " + |
|
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1748 "a.\"name\" AS \"COLUMN_NAME\", " + |
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1749 "cast(CASE a.\"inout\"" + |
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1750 " WHEN 0 THEN (CASE a.\"number\" WHEN 0 THEN ").append(DatabaseMetaData.procedureColumnReturn).append(" ELSE ").append(DatabaseMetaData.procedureColumnOut).append(" END)" + |
|
0
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|
1751 " WHEN 1 THEN ").append(DatabaseMetaData.procedureColumnIn) |
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|
1752 .append(" ELSE ").append(DatabaseMetaData.procedureColumnUnknown).append(" END AS smallint) AS \"COLUMN_TYPE\", " + |
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1753 "cast(").append(MonetDriver.getSQLTypeMap("a.\"type\"")).append(" AS int) AS \"DATA_TYPE\", " + |
|
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|
1754 "a.\"type\" AS \"TYPE_NAME\", " + |
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1755 "CASE a.\"type\" WHEN 'tinyint' THEN 3 WHEN 'smallint' THEN 5 WHEN 'int' THEN 10 WHEN 'bigint' THEN 19 WHEN 'hugeint' THEN 38 WHEN 'oid' THEN 19 WHEN 'wrd' THEN 19 ELSE a.\"type_digits\" END AS \"PRECISION\", " + |
|
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1756 "CASE a.\"type\" WHEN 'tinyint' THEN 1 WHEN 'smallint' THEN 2 WHEN 'int' THEN 4 WHEN 'bigint' THEN 8 WHEN 'hugeint' THEN 16 WHEN 'oid' THEN 8 WHEN 'wrd' THEN 8 ELSE a.\"type_digits\" END AS \"LENGTH\", " + |
|
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1757 "cast(CASE WHEN a.\"type\" IN ('tinyint','smallint','int','bigint','hugeint','oid','wrd','decimal','numeric','time','timetz','timestamp','timestamptz','sec_interval') THEN a.\"type_scale\" ELSE NULL END AS smallint) AS \"SCALE\", " + |
|
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1758 "cast(CASE WHEN a.\"type\" IN ('tinyint','smallint','int','bigint','hugeint','oid','wrd','decimal','numeric') THEN 10 WHEN a.\"type\" IN ('real','float','double') THEN 2 ELSE NULL END AS smallint) AS \"RADIX\", " + |
|
217
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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1759 "cast(").append(DatabaseMetaData.procedureNullableUnknown).append(" AS smallint) AS \"NULLABLE\", " + |
|
7cbd20ff628c
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1760 "cast(null as char(1)) AS \"REMARKS\", " + |
|
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1761 "cast(null as char(1)) AS \"COLUMN_DEF\", " + |
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1762 "cast(0 as int) AS \"SQL_DATA_TYPE\", " + |
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1763 "cast(0 as int) AS \"SQL_DATETIME_SUB\", " + |
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1764 "cast(CASE WHEN a.\"type\" IN ('char','varchar','clob') THEN a.\"type_digits\" ELSE NULL END as int) AS \"CHAR_OCTET_LENGTH\", " + |
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1765 // 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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1766 "cast(a.\"number\" + 1 as int) AS \"ORDINAL_POSITION\", " + |
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217
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1767 "cast('' as varchar(3)) AS \"IS_NULLABLE\", " + |
|
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1768 // 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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1769 "cast(f.\"id\" as varchar(10)) AS \"SPECIFIC_NAME\" " + |
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1770 "FROM \"sys\".\"args\" a " + |
|
352
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1771 "JOIN \"sys\".\"functions\" f ON a.\"func_id\" = f.\"id\" " + |
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1772 "JOIN \"sys\".\"schemas\" s ON f.\"schema_id\" = s.\"id\" " + |
|
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1773 // include procedures only (type = 2). Others will be returned via getFunctionColumns() |
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1774 "WHERE f.\"type\" = 2"); |
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1775 |
|
216
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1776 if (catalog != null && !catalog.isEmpty()) { |
|
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1777 // non-empty catalog selection. |
|
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1778 // as we do not support catalogs this always results in no rows returned |
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1779 query.append(" AND 1=0"); |
|
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1780 } else { |
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1781 if (schemaPattern != null && !schemaPattern.equals("%")) { |
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1782 query.append(" AND s.\"name\" ").append(composeMatchPart(schemaPattern)); |
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1783 } |
|
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1784 if (procedureNamePattern != null && !procedureNamePattern.equals("%")) { |
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1785 query.append(" AND f.\"name\" ").append(composeMatchPart(procedureNamePattern)); |
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1786 } |
|
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1787 if (columnNamePattern != null && !columnNamePattern.equals("%")) { |
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1788 query.append(" AND a.\"name\" ").append(composeMatchPart(columnNamePattern)); |
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1789 } |
|
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1790 } |
|
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1791 |
|
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1792 query.append(" ORDER BY \"PROCEDURE_SCHEM\", \"PROCEDURE_NAME\", \"SPECIFIC_NAME\", \"ORDINAL_POSITION\""); |
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1793 |
|
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1794 return executeMetaDataQuery(query.toString()); |
|
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1795 } |
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1796 |
|
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|
1797 /** |
|
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1798 * Retrieves a description of the tables available in the given catalog. |
|
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1799 * Only table descriptions matching the catalog, schema, table name and type criteria are returned. |
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1800 * They are ordered by TABLE_TYPE, TABLE_CAT, TABLE_SCHEM and TABLE_NAME. |
|
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1801 * |
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1802 * <p>Each table description has the following columns: |
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1803 * |
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1804 * <ol> |
|
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1805 * <li><b>TABLE_CAT</b> String => table catalog (may be null) |
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1806 * <li><b>TABLE_SCHEM</b> String => table schema (may be null) |
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1807 * <li><b>TABLE_NAME</b> String => table name |
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1808 * <li><b>TABLE_TYPE</b> String => table type. Typical types are "TABLE", |
|
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1809 * "VIEW", "SYSTEM TABLE", "GLOBAL TEMPORARY", "LOCAL TEMPORARY", "ALIAS", "SYNONYM". |
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1810 * <li><b>REMARKS</b> String => explanatory comment on the table |
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1811 * <li><b>TYPE_CAT</b> String => the types catalog (may be null) |
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1812 * <li><b>TYPE_SCHEM</b> String => the types schema (may be null) |
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1813 * <li><b>TYPE_NAME</b> String => type name (may be null) |
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1814 * <li><b>SELF_REFERENCING_COL_NAME</b> String => name of the designated "identifier" column of a typed table (may be null) |
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1815 * <li><b>REF_GENERATION</b> String => specifies how values in SELF_REFERENCING_COL_NAME are created. Values are "SYSTEM", "USER", "DERIVED". (may be null) |
|
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1816 * </ol> |
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1817 * |
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1818 * @param catalog - a catalog name; must match the catalog name as it is stored in the database; |
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1819 * "" retrieves those without a catalog; null means that the |
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1820 * catalog name should not be used to narrow the search |
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1821 * @param schemaPattern - a schema name pattern; must match the schema name as it is stored |
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1822 * in the database; "" retrieves those without a schema; |
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1823 * null means that the schema name should not be used to narrow the search |
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1824 * @param tableNamePattern - a table name pattern; must match the table name as it is stored in the database |
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1825 * For all tables this should be "%" |
|
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1826 * 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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1827 * @param types - a list of table types, which must be from the list of table types returned |
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1828 * from getTableTypes(),to include; null returns all types |
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1829 * @return ResultSet - each row is a table description |
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1830 * @throws SQLException if a database-access error occurs. |
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1831 */ |
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1832 @Override |
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|
1833 public ResultSet getTables( |
|
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1834 final String catalog, |
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1835 final String schemaPattern, |
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1836 final String tableNamePattern, |
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1837 final String types[] |
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1838 ) throws SQLException |
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1839 { |
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1840 // as of Jul2015 release the sys.tables.type values (0 through 6) is extended with new values 10, 11, 20, and 30 (for system and temp tables/views). |
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1841 // as of Jul2015 release we also have a new table: sys.table_types with names for the new table types |
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1842 // for correct behavior we need to know if the server is using the old (pre Jul2015) or new sys.tables.type values |
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1843 final boolean preJul2015 = ("11.19.15".compareTo(getDatabaseProductVersion()) >= 0); |
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331
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1844 // for debug: System.out.println("getDatabaseProductVersion() is " + getDatabaseProductVersion() + " preJul2015 is " + preJul2015); |
|
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1845 |
|
332
e8962bdaa206
Moved utility methods and associated caches from DatabaseMetaData to Connection object.
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1846 final boolean useCommentsTable = con.commentsTableExists(); |
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1847 final StringBuilder query = new StringBuilder(1600); |
|
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1848 if (preJul2015 && types != null && types.length > 0) { |
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1849 // we need to filter on the constructed "TABLE_TYPE" expression, this is only possible when we use a subquery in the FROM |
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1850 query.append("SELECT * FROM ("); |
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1851 } |
|
217
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1852 query.append("SELECT cast(null as char(1)) AS \"TABLE_CAT\", " + |
|
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1853 "s.\"name\" AS \"TABLE_SCHEM\", " + |
|
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1854 "t.\"name\" AS \"TABLE_NAME\", "); |
|
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1855 if (preJul2015) { |
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1856 query.append( |
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1857 "CASE WHEN t.\"system\" = true AND t.\"type\" IN (0, 10) AND t.\"temporary\" = 0 THEN 'SYSTEM TABLE' " + |
|
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1858 "WHEN t.\"system\" = true AND t.\"type\" IN (1, 11) AND t.\"temporary\" = 0 THEN 'SYSTEM VIEW' " + |
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1859 "WHEN t.\"system\" = false AND t.\"type\" = 0 AND t.\"temporary\" = 0 THEN 'TABLE' " + |
|
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1860 "WHEN t.\"system\" = false AND t.\"type\" = 1 AND t.\"temporary\" = 0 THEN 'VIEW' " + |
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1861 "WHEN t.\"system\" = true AND t.\"type\" IN (0, 20) AND t.\"temporary\" = 1 THEN 'SYSTEM SESSION TABLE' " + |
|
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1862 "WHEN t.\"system\" = true AND t.\"type\" IN (1, 21) AND t.\"temporary\" = 1 THEN 'SYSTEM SESSION VIEW' " + |
|
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1863 "WHEN t.\"system\" = false AND t.\"type\" IN (0, 30) AND t.\"temporary\" = 1 THEN 'SESSION TABLE' " + |
|
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1864 "WHEN t.\"system\" = false AND t.\"type\" IN (1, 31) AND t.\"temporary\" = 1 THEN 'SESSION VIEW' " + |
|
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|
1865 "END AS \"TABLE_TYPE\", "); |
|
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1866 } else { |
|
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|
1867 query.append("tt.\"table_type_name\" AS \"TABLE_TYPE\", "); |
|
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1868 } |
|
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|
1869 query.append(useCommentsTable ? "COALESCE(cm.\"remark\", t.\"query\")" : "t.\"query\"").append(" AS \"REMARKS\", " + |
|
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|
1870 "cast(null as char(1)) AS \"TYPE_CAT\", " + |
|
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|
1871 "cast(null as char(1)) AS \"TYPE_SCHEM\", " + |
|
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|
1872 "cast(null as char(1)) AS \"TYPE_NAME\", " + |
|
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|
1873 "cast(null as char(1)) AS \"SELF_REFERENCING_COL_NAME\", " + |
|
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1874 "cast(null as char(1)) AS \"REF_GENERATION\" " + |
|
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1875 "FROM \"sys\".\"tables\" t "); |
|
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1876 if (!preJul2015) { |
|
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|
1877 query.append("JOIN \"sys\".\"table_types\" tt ON t.\"type\" = tt.\"table_type_id\" "); |
|
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1878 } |
|
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|
1879 query.append("JOIN \"sys\".\"schemas\" s ON t.\"schema_id\" = s.\"id\" "); |
|
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|
1880 if (useCommentsTable) { |
|
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|
1881 query.append("LEFT OUTER JOIN \"sys\".\"comments\" cm ON t.\"id\" = cm.\"id\" "); |
|
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|
1882 } |
|
352
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|
1883 query.append("WHERE 1=1"); |
|
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1884 |
|
216
116b5a149fb4
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|
1885 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
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|
1886 // non-empty catalog selection. |
|
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|
1887 // as we do not support catalogs this always results in no rows returned |
|
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|
1888 query.append(" AND 1=0"); |
|
216
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1889 } else { |
|
323
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1890 if (schemaPattern != null && !schemaPattern.equals("%")) { |
|
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|
1891 query.append(" AND s.\"name\" ").append(composeMatchPart(schemaPattern)); |
|
216
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1892 } |
|
323
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1893 if (tableNamePattern != null && !tableNamePattern.equals("%")) { |
|
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|
1894 query.append(" AND t.\"name\" ").append(composeMatchPart(tableNamePattern)); |
|
216
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|
1895 } |
|
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|
1896 } |
|
216
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|
1897 |
|
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|
1898 if (types != null && types.length > 0) { |
|
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1899 if (preJul2015) { |
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1900 query.append(") AS \"getTables\" WHERE \"TABLE_TYPE\" IN ("); |
|
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1901 } else { |
|
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1902 query.append(" AND tt.\"table_type_name\" IN ("); |
|
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1903 } |
|
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1904 for (int i = 0; i < types.length; i++) { |
|
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1905 if (i > 0) { |
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|
1906 query.append(", "); |
|
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1907 } |
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|
1908 query.append("'").append(types[i]).append("'"); |
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1909 } |
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|
1910 query.append(")"); |
|
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1911 } |
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|
1912 |
|
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|
1913 query.append(" ORDER BY \"TABLE_TYPE\", \"TABLE_SCHEM\", \"TABLE_NAME\""); |
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1914 |
|
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1915 return executeMetaDataQuery(query.toString()); |
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1916 } |
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1917 |
|
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|
1918 /** |
|
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1919 * Get the schema names available in this database. The results |
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1920 * are ordered by schema name. |
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1921 * |
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1922 * <P>The schema column is: |
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1923 * <OL> |
|
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1924 * <LI><B>TABLE_SCHEM</B> String => schema name |
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1925 * <LI><B>TABLE_CATALOG</B> String => catalog name (may be null) |
|
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1926 * </OL> |
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1927 * |
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1928 * @param catalog a catalog name; must match the catalog name as it |
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1929 * is stored in the database;"" retrieves those without a |
|
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1930 * catalog; null means catalog name should not be used to |
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1931 * narrow down the search. |
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1932 * @param schemaPattern a schema name; must match the schema name as |
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1933 * it is stored in the database; null means schema name |
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1934 * should not be used to narrow down the search. |
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1935 * @return ResultSet each row has a single String column that is a |
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1936 * schema name |
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1937 * @throws SQLException if a database error occurs |
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1938 */ |
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1939 @Override |
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1940 public ResultSet getSchemas(final String catalog, final String schemaPattern) |
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1941 throws SQLException |
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1942 { |
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1943 final StringBuilder query = new StringBuilder(170); |
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1944 query.append("SELECT \"name\" AS \"TABLE_SCHEM\", " + |
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1945 "cast(null as char(1)) AS \"TABLE_CATALOG\" " + |
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1946 "FROM \"sys\".\"schemas\""); |
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1947 |
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1948 if (catalog != null && !catalog.isEmpty()) { |
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1949 // non-empty catalog selection. |
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1950 // as we do not support catalogs this always results in no rows returned |
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1951 query.append(" WHERE 1=0"); |
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1952 } else { |
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1953 if (schemaPattern != null && !schemaPattern.equals("%")) { |
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1954 query.append(" WHERE \"name\" ").append(composeMatchPart(schemaPattern)); |
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1955 } |
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1956 } |
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1957 query.append(" ORDER BY \"TABLE_SCHEM\""); |
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1958 |
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1959 return executeMetaDataQuery(query.toString()); |
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1960 } |
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1961 |
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1962 /** |
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1963 * Get the catalog names available in this database. The results |
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1964 * are ordered by catalog name. |
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1965 * |
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1966 * <P>The catalog column is: |
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1967 * <OL> |
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1968 * <LI><B>TABLE_CAT</B> String => catalog name |
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1969 * </OL> |
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1970 * |
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1971 * |
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1972 * @return ResultSet each row has a single String column that is a |
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1973 * catalog name |
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1974 * @throws SQLException if a database error occurs |
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1975 */ |
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1976 @Override |
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1977 public ResultSet getCatalogs() throws SQLException { |
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1978 // MonetDB does NOT support catalogs. |
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1979 // Return a resultset with no rows |
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1980 return executeMetaDataQuery("SELECT cast(null as char(1)) AS \"TABLE_CAT\" WHERE 1=0"); |
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1981 } |
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1982 |
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1983 /** |
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1984 * Get the table types available in this database. |
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1985 * The results are ordered by table type. |
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1986 * |
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1987 * <P>The table type is: |
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1988 * <OL> |
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1989 * <LI><B>TABLE_TYPE</B> String => table type. Typical types are "TABLE", |
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1990 * "VIEW", "SYSTEM TABLE", "GLOBAL TEMPORARY", |
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1991 * "LOCAL TEMPORARY", "ALIAS", "SYNONYM". |
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1992 * </OL> |
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1993 * |
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1994 * @return ResultSet each row has a single String column that is a table type |
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1995 * @throws SQLException if a database error occurs |
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1996 */ |
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1997 @Override |
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1998 public ResultSet getTableTypes() throws SQLException { |
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1999 // as of Jul2015 release we have a new table: sys.table_types with more table types |
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2000 String query = "SELECT \"table_type_name\" AS \"TABLE_TYPE\" FROM \"sys\".\"table_types\" ORDER BY 1"; |
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2001 |
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2002 // For old (pre jul2015) servers fall back to old behavior. |
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2003 if ("11.19.15".compareTo(getDatabaseProductVersion()) >= 0) |
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2004 query = "SELECT 'SESSION TABLE' AS \"TABLE_TYPE\" UNION ALL " + |
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2005 "SELECT 'SESSION VIEW' UNION ALL " + |
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2006 "SELECT 'SYSTEM SESSION TABLE' UNION ALL " + |
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2007 "SELECT 'SYSTEM SESSION VIEW' UNION ALL " + |
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2008 "SELECT 'SYSTEM TABLE' UNION ALL " + |
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2009 "SELECT 'SYSTEM VIEW' UNION ALL " + |
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2010 "SELECT 'TABLE' UNION ALL " + |
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2011 "SELECT 'VIEW' ORDER BY 1"; |
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2012 |
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2013 return executeMetaDataQuery(query); |
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2014 } |
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2015 |
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2016 /** |
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2017 * Get a description of table columns available in a catalog. |
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2018 * |
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2019 * <P>Only column descriptions matching the catalog, schema, table |
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2020 * and column name criteria are returned. They are ordered by |
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2021 * TABLE_SCHEM, TABLE_NAME and ORDINAL_POSITION. |
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2022 * |
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2023 * <P>Each column description has the following columns: |
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2024 * <OL> |
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2025 * <LI><B>TABLE_CAT</B> String => table catalog (may be null) |
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2026 * <LI><B>TABLE_SCHEM</B> String => table schema (may be null) |
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2027 * <LI><B>TABLE_NAME</B> String => table name |
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2028 * <LI><B>COLUMN_NAME</B> String => column name |
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2029 * <LI><B>DATA_TYPE</B> int => SQL type from java.sql.Types |
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2030 * <LI><B>TYPE_NAME</B> String => Data source dependent type name |
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2031 * <LI><B>COLUMN_SIZE</B> int => column size. For char or date |
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2032 * types this is the maximum number of characters, for numeric or |
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2033 * decimal types this is precision. |
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2034 * <LI><B>BUFFER_LENGTH</B> is not used. |
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|
2035 * <LI><B>DECIMAL_DIGITS</B> int => the number of fractional digits |
|
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|
2036 * <LI><B>NUM_PREC_RADIX</B> int => Radix (typically either 10 or 2) |
|
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2037 * <LI><B>NULLABLE</B> int => is NULL allowed? |
|
0
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|
2038 * <UL> |
|
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|
2039 * <LI> columnNoNulls - might not allow NULL values |
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2040 * <LI> columnNullable - definitely allows NULL values |
|
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diff
changeset
|
2041 * <LI> columnNullableUnknown - nullability unknown |
|
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|
2042 * </UL> |
|
194
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2043 * <LI><B>REMARKS</B> String => comment describing column (may be null) |
|
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186
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|
2044 * <LI><B>COLUMN_DEF</B> String => default value (may be null) |
|
1296dbcc4958
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2045 * <LI><B>SQL_DATA_TYPE</B> int => unused |
|
1296dbcc4958
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|
2046 * <LI><B>SQL_DATETIME_SUB</B> int => unused |
|
1296dbcc4958
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2047 * <LI><B>CHAR_OCTET_LENGTH</B> int => for char types the |
|
0
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|
2048 * maximum number of bytes in the column |
|
194
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2049 * <LI><B>ORDINAL_POSITION</B> int => index of column in table |
|
0
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|
2050 * (starting at 1) |
|
194
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2051 * <LI><B>IS_NULLABLE</B> String => "NO" means column definitely |
|
0
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|
2052 * does not allow NULL values; "YES" means the column might |
|
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|
2053 * allow NULL values. An empty string means nobody knows. |
|
194
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2054 * <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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2055 * <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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2056 * <LI><B>SCOPE_TABLE</B> String => table name that this the scope of a reference attribute (null if the DATA_TYPE isn't REF) |
|
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2057 * <LI><B>SOURCE_DATA_TYPE</B> short => source type of a distinct type or user-generated Ref type, SQL type from java.sql.Types (null if DATA_TYPE isn't DISTINCT or user-generated REF) |
|
1296dbcc4958
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2058 * <LI><B>IS_AUTOINCREMENT</B> String => Indicates whether this column is auto incremented |
|
0
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|
2059 * <UL> |
|
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2060 * <LI> YES --- if the column is auto incremented |
|
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|
2061 * <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
|
2062 * <LI> empty string --- if it cannot be determined whether the column is auto incremented |
|
0
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2063 * </UL> |
|
194
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2064 * <LI><B>IS_GENERATEDCOLUMN</B> String => Indicates whether this is a generated column |
|
0
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parents:
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|
2065 * <UL> |
|
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|
2066 * <LI> YES --- if this a generated column |
|
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|
2067 * <LI> NO --- if this not a generated column |
|
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parents:
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|
2068 * <LI> empty string --- if it cannot be determined whether this is a generated column |
|
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|
2069 * </UL> |
|
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parents:
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|
2070 * </OL> |
|
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parents:
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|
2071 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2072 * @param catalog - a catalog name; must match the catalog name as it is stored in the database; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2073 * "" retrieves those without a catalog; null means that the |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2074 * catalog name should not be used to narrow the search |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2075 * @param schemaPattern - a schema name pattern; must match the schema name as it is stored |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2076 * in the database; "" retrieves those without a schema; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
2077 * null means that the schema name should not be used to narrow the search |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2078 * @param tableNamePattern - a table name pattern; must match the table name as it is stored in the database |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2079 * For all tables this should be "%" |
|
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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|
2080 * Note that our implementation allows this param to be null also (for efficiency as no extra LIKE "%" condition is added to be evaluated). |
|
0
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
2081 * @param columnNamePattern - a column name pattern; must match the column name as it is stored in the database |
|
245
55375d489024
Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
231
diff
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|
2082 * 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
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|
2083 * @return ResultSet - each row is a column description |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2084 * @throws SQLException if a database error occurs |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2085 * @see #getSearchStringEscape |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
2086 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2087 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
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|
2088 public ResultSet getColumns( |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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294
diff
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|
2089 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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|
2090 final String schemaPattern, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
2091 final String tableNamePattern, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
2092 final String columnNamePattern |
|
0
a5a898f6886c
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diff
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|
2093 ) throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2094 { |
|
332
e8962bdaa206
Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
331
diff
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|
2095 final boolean useCommentsTable = con.commentsTableExists(); |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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294
diff
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|
2096 final StringBuilder query = new StringBuilder(2450); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2097 query.append("SELECT cast(null as char(1)) AS \"TABLE_CAT\", " + |
|
302
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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300
diff
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|
2098 "s.\"name\" AS \"TABLE_SCHEM\", " + |
|
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
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|
2099 "t.\"name\" AS \"TABLE_NAME\", " + |
|
1b6c514106ce
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diff
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|
2100 "c.\"name\" AS \"COLUMN_NAME\", " + |
|
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
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|
2101 "cast(").append(MonetDriver.getSQLTypeMap("c.\"type\"")).append(" AS int) AS \"DATA_TYPE\", " + |
|
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
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|
2102 "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
changeset
|
2103 "c.\"type_digits\" AS \"COLUMN_SIZE\", " + |
|
331
6ed8f5b1f9ed
Corrected method DatabaseMetaData.getBestRowIdentifier(). It used to return columns of both primary key and unique constraints. Now it only returns the columns of the primary key if it has one, else columns of a unique constraint.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
323
diff
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|
2104 "cast(0 as int) AS \"BUFFER_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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|
2105 "c.\"type_scale\" AS \"DECIMAL_DIGITS\", " + |
|
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
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|
2106 "cast(CASE WHEN c.\"type\" IN ('decimal', 'numeric', 'sec_interval') THEN 10 " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
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|
2107 "WHEN c.\"type\" IN ('int', 'smallint', 'tinyint', 'bigint', 'hugeint', 'float', 'real', 'double', 'oid', 'wrd') THEN 2 " + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2108 "ELSE 0 END AS int) AS \"NUM_PREC_RADIX\", " + |
|
302
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
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|
2109 "cast(CASE c.\"null\" WHEN true THEN ").append(ResultSetMetaData.columnNullable) |
|
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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|
2110 .append(" WHEN false THEN ").append(ResultSetMetaData.columnNoNulls).append(" END AS int) AS \"NULLABLE\", ") |
|
302
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diff
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|
2111 .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.
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diff
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|
2112 "c.\"default\" AS \"COLUMN_DEF\", " + |
|
0
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diff
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|
2113 "cast(0 as int) AS \"SQL_DATA_TYPE\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2114 "cast(0 as int) AS \"SQL_DATETIME_SUB\", " + |
|
302
1b6c514106ce
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|
2115 "cast(CASE WHEN c.\"type\" IN ('char','varchar','clob') THEN c.\"type_digits\" ELSE NULL END as int) AS \"CHAR_OCTET_LENGTH\", " + |
|
1b6c514106ce
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|
2116 "cast(c.\"number\" + 1 as int) AS \"ORDINAL_POSITION\", " + |
|
1b6c514106ce
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|
2117 "cast(CASE c.\"null\" WHEN true THEN 'YES' WHEN false THEN 'NO' ELSE '' END AS varchar(3)) AS \"IS_NULLABLE\", " + |
|
217
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
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|
2118 "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>
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216
diff
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|
2119 "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
|
2120 "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
|
2121 "cast(null AS smallint) AS \"SOURCE_DATA_TYPE\", " + |
|
302
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300
diff
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|
2122 "cast(CASE WHEN c.\"default\" IS NOT NULL AND c.\"default\" LIKE 'next value for %' THEN 'YES' ELSE 'NO' END AS varchar(3)) AS \"IS_AUTOINCREMENT\", " + |
|
0
a5a898f6886c
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diff
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|
2123 "cast('NO' AS varchar(3)) AS \"IS_GENERATEDCOLUMN\" " + |
|
302
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|
2124 "FROM \"sys\".\"columns\" c " + |
|
1b6c514106ce
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|
2125 "JOIN \"sys\".\"tables\" t ON c.\"table_id\" = t.\"id\" " + |
|
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2126 "JOIN \"sys\".\"schemas\" s ON t.\"schema_id\" = s.\"id\" "); |
|
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2127 if (useCommentsTable) { |
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2128 query.append("LEFT OUTER JOIN \"sys\".\"comments\" cm ON c.\"id\" = cm.\"id\" "); |
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215
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2129 } |
|
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Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
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2130 query.append("WHERE 1=1"); |
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2131 |
|
216
116b5a149fb4
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2132 if (catalog != null && !catalog.isEmpty()) { |
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2133 // non-empty catalog selection. |
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2134 // as we do not support catalogs this always results in no rows returned |
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2135 query.append(" AND 1=0"); |
|
216
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2136 } else { |
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2137 if (schemaPattern != null && !schemaPattern.equals("%")) { |
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2138 query.append(" AND s.\"name\" ").append(composeMatchPart(schemaPattern)); |
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216
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2139 } |
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2140 if (tableNamePattern != null && !tableNamePattern.equals("%")) { |
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2141 query.append(" AND t.\"name\" ").append(composeMatchPart(tableNamePattern)); |
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216
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2142 } |
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2143 if (columnNamePattern != null && !columnNamePattern.equals("%")) { |
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2144 query.append(" AND c.\"name\" ").append(composeMatchPart(columnNamePattern)); |
|
216
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2145 } |
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2146 } |
|
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2147 |
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2148 query.append(" ORDER BY \"TABLE_SCHEM\", \"TABLE_NAME\", \"ORDINAL_POSITION\""); |
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2149 |
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2150 return executeMetaDataQuery(query.toString()); |
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2151 } |
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2152 |
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2153 /** |
|
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2154 * Get a description of the access rights for a table's columns. |
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2155 * MonetDB doesn't have this level of access rights. |
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2156 * |
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2157 * <P>Only privileges matching the column name criteria are |
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|
2158 * returned. They are ordered by COLUMN_NAME and PRIVILEGE. |
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2159 * |
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2160 * <P>Each privilige description has the following columns: |
|
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2161 * <OL> |
|
194
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2162 * <LI><B>TABLE_CAT</B> String => table catalog (may be null) |
|
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2163 * <LI><B>TABLE_SCHEM</B> String => table schema (may be null) |
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|
2164 * <LI><B>TABLE_NAME</B> String => table name |
|
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|
2165 * <LI><B>COLUMN_NAME</B> String => column name |
|
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Resolved javadoc many errors and warnings, such as:
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2166 * <LI><B>GRANTOR</B> => grantor of access (may be null) |
|
1296dbcc4958
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|
2167 * <LI><B>GRANTEE</B> String => grantee of access |
|
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Resolved javadoc many errors and warnings, such as:
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2168 * <LI><B>PRIVILEGE</B> String => name of access (SELECT, |
|
0
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|
2169 * INSERT, UPDATE, REFRENCES, ...) |
|
194
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2170 * <LI><B>IS_GRANTABLE</B> String => "YES" if grantee is permitted |
|
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|
2171 * to grant to others; "NO" if not; null if unknown |
|
a5a898f6886c
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|
2172 * </OL> |
|
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parents:
diff
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|
2173 * |
|
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|
2174 * @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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parents:
diff
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|
2175 * @param schemaPattern a schema name; "" retrieves those without a schema |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2176 * @param tableNamePattern a table name |
|
245
55375d489024
Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
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231
diff
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|
2177 * 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
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|
2178 * @param columnNamePattern a column name pattern |
|
245
55375d489024
Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
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231
diff
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|
2179 * 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
|
2180 * @return ResultSet each row is a column privilege description |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2181 * @see #getSearchStringEscape |
|
a5a898f6886c
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parents:
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|
2182 * @throws SQLException if a database error occurs |
|
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parents:
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|
2183 */ |
|
a5a898f6886c
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parents:
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|
2184 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2185 public ResultSet getColumnPrivileges( |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
2186 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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|
2187 final String schemaPattern, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
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|
2188 final String tableNamePattern, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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|
2189 final String columnNamePattern |
|
0
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|
2190 ) throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2191 { |
|
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
|
2192 final boolean usePrivilege_codesTable = con.privilege_codesTableExists(); |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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|
2193 final StringBuilder query = new StringBuilder(1100); |
|
0
a5a898f6886c
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parents:
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|
2194 query.append("SELECT cast(null as char(1)) AS \"TABLE_CAT\", " + |
|
302
1b6c514106ce
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300
diff
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|
2195 "s.\"name\" AS \"TABLE_SCHEM\", " + |
|
1b6c514106ce
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diff
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|
2196 "t.\"name\" AS \"TABLE_NAME\", " + |
|
1b6c514106ce
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diff
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|
2197 "c.\"name\" AS \"COLUMN_NAME\", " + |
|
1b6c514106ce
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300
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|
2198 "grantors.\"name\" AS \"GRANTOR\", " + |
|
1b6c514106ce
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300
diff
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|
2199 "grantees.\"name\" AS \"GRANTEE\", ") |
|
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|
2200 .append(usePrivilege_codesTable ? "pc.\"privilege_code_name\"" : |
|
1b6c514106ce
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diff
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|
2201 "cast(CASE p.\"privileges\" " + |
|
0
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|
2202 "WHEN 1 THEN 'SELECT' " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2203 "WHEN 2 THEN 'UPDATE' " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2204 "WHEN 4 THEN 'INSERT' " + |
|
a5a898f6886c
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|
2205 "WHEN 8 THEN 'DELETE' " + |
|
a5a898f6886c
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|
2206 "WHEN 16 THEN 'EXECUTE' " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2207 "WHEN 32 THEN 'GRANT' " + |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2208 "ELSE NULL " + |
|
219
4572f0694fde
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|
2209 "END AS varchar(7))").append(" AS \"PRIVILEGE\", " + |
|
302
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|
2210 "cast(CASE p.\"grantable\" " + |
|
0
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diff
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|
2211 "WHEN 0 THEN 'NO' " + |
|
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diff
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|
2212 "WHEN 1 THEN 'YES' " + |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2213 "ELSE NULL " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2214 "END AS varchar(3)) AS \"IS_GRANTABLE\" " + |
|
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|
2215 "FROM \"sys\".\"privileges\" p " + |
|
1b6c514106ce
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|
2216 "JOIN \"sys\".\"columns\" c ON p.\"obj_id\" = c.\"id\" " + |
|
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|
2217 "JOIN \"sys\".\"tables\" t ON c.\"table_id\" = t.\"id\" " + |
|
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|
2218 "JOIN \"sys\".\"schemas\" s ON t.\"schema_id\" = s.\"id\" " + |
|
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|
2219 "JOIN \"sys\".\"auths\" grantors ON p.\"grantor\" = grantors.\"id\" " + |
|
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|
2220 "JOIN \"sys\".\"auths\" grantees ON p.\"auth_id\" = grantees.\"id\" "); |
|
219
4572f0694fde
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2221 if (usePrivilege_codesTable) { |
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2222 query.append("JOIN \"sys\".\"privilege_codes\" pc ON p.\"privileges\" = pc.\"privilege_code_id\" "); |
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2223 } |
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2224 query.append("WHERE 1=1"); |
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2225 |
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216
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2226 if (catalog != null && !catalog.isEmpty()) { |
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2227 // non-empty catalog selection. |
|
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2228 // as we do not support catalogs this always results in no rows returned |
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2229 query.append(" AND 1=0"); |
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2230 } else { |
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2231 if (schemaPattern != null && !schemaPattern.equals("%")) { |
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2232 query.append(" AND s.\"name\" ").append(composeMatchPart(schemaPattern)); |
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2233 } |
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2234 if (tableNamePattern != null && !tableNamePattern.equals("%")) { |
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2235 query.append(" AND t.\"name\" ").append(composeMatchPart(tableNamePattern)); |
|
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2236 } |
|
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2237 if (columnNamePattern != null && !columnNamePattern.equals("%")) { |
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|
2238 query.append(" AND c.\"name\" ").append(composeMatchPart(columnNamePattern)); |
|
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2239 } |
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2240 } |
|
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2241 |
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|
2242 query.append(" ORDER BY \"TABLE_SCHEM\", \"TABLE_NAME\", \"COLUMN_NAME\", \"PRIVILEGE\""); |
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2243 |
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2244 return executeMetaDataQuery(query.toString()); |
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2245 } |
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2246 |
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2247 /** |
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2248 * Get a description of the access rights for each table available |
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2249 * in a catalog. |
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2250 * |
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2251 * <P>Only privileges matching the schema and table name |
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2252 * criteria are returned. They are ordered by TABLE_SCHEM, |
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2253 * TABLE_NAME, and PRIVILEGE. |
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2254 * |
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2255 * <P>Each privilege description has the following columns: |
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2256 * <OL> |
|
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2257 * <LI><B>TABLE_CAT</B> String => table catalog (may be null) |
|
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2258 * <LI><B>TABLE_SCHEM</B> String => table schema (may be null) |
|
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2259 * <LI><B>TABLE_NAME</B> String => table name |
|
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2260 * <LI><B>GRANTOR</B> => grantor of access (may be null) |
|
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2261 * <LI><B>GRANTEE</B> String => grantee of access |
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2262 * <LI><B>PRIVILEGE</B> String => name of access (SELECT, |
|
0
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|
2263 * INSERT, UPDATE, REFRENCES, ...) |
|
194
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2264 * <LI><B>IS_GRANTABLE</B> String => "YES" if grantee is permitted |
|
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|
2265 * to grant to others; "NO" if not; null if unknown |
|
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|
2266 * </OL> |
|
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|
2267 * |
|
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|
2268 * @param catalog a catalog name; "" retrieves those without a catalog |
|
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|
2269 * @param schemaPattern a schema name pattern; "" retrieves those without a schema |
|
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|
2270 * @param tableNamePattern a table name pattern |
|
245
55375d489024
Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
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diff
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|
2271 * 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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|
2272 * @return ResultSet each row is a table privilege description |
|
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|
2273 * @see #getSearchStringEscape |
|
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|
2274 * @throws SQLException if a database error occurs |
|
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|
2275 */ |
|
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|
2276 @Override |
|
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|
2277 public ResultSet getTablePrivileges( |
|
295
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|
2278 final String catalog, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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|
2279 final String schemaPattern, |
|
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|
2280 final String tableNamePattern |
|
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|
2281 ) throws SQLException |
|
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|
2282 { |
|
332
e8962bdaa206
Moved utility methods and associated caches from DatabaseMetaData to Connection object.
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|
2283 final boolean usePrivilege_codesTable = con.privilege_codesTableExists(); |
|
295
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|
2284 final StringBuilder query = new StringBuilder(1000); |
|
0
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|
2285 query.append("SELECT cast(null as char(1)) AS \"TABLE_CAT\", " + |
|
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|
2286 "s.\"name\" AS \"TABLE_SCHEM\", " + |
|
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|
2287 "t.\"name\" AS \"TABLE_NAME\", " + |
|
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|
2288 "grantors.\"name\" AS \"GRANTOR\", " + |
|
1b6c514106ce
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diff
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|
2289 "grantees.\"name\" AS \"GRANTEE\", ") |
|
1b6c514106ce
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|
2290 .append(usePrivilege_codesTable ? "pc.\"privilege_code_name\"" : |
|
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|
2291 "cast(CASE p.\"privileges\" " + |
|
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|
2292 "WHEN 1 THEN 'SELECT' " + |
|
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|
2293 "WHEN 2 THEN 'UPDATE' " + |
|
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|
2294 "WHEN 4 THEN 'INSERT' " + |
|
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|
2295 "WHEN 8 THEN 'DELETE' " + |
|
a5a898f6886c
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|
2296 "WHEN 16 THEN 'EXECUTE' " + |
|
a5a898f6886c
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|
2297 "WHEN 32 THEN 'GRANT' " + |
|
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|
2298 "ELSE NULL " + |
|
219
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2299 "END AS varchar(7))").append(" AS \"PRIVILEGE\", " + |
|
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|
2300 "cast(CASE p.\"grantable\" " + |
|
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|
2301 "WHEN 0 THEN 'NO' " + |
|
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|
2302 "WHEN 1 THEN 'YES' " + |
|
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|
2303 "ELSE NULL " + |
|
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|
2304 "END AS varchar(3)) AS \"IS_GRANTABLE\" " + |
|
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|
2305 "FROM \"sys\".\"privileges\" p " + |
|
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|
2306 "JOIN \"sys\".\"tables\" t ON p.\"obj_id\" = t.\"id\" " + |
|
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|
2307 "JOIN \"sys\".\"schemas\" s ON t.\"schema_id\" = s.\"id\" " + |
|
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|
2308 "JOIN \"sys\".\"auths\" grantors ON p.\"grantor\" = grantors.\"id\" " + |
|
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|
2309 "JOIN \"sys\".\"auths\" grantees ON p.\"auth_id\" = grantees.\"id\" "); |
|
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|
2310 if (usePrivilege_codesTable) { |
|
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|
2311 query.append("JOIN \"sys\".\"privilege_codes\" pc ON p.\"privileges\" = pc.\"privilege_code_id\" "); |
|
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|
2312 } |
|
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f62137dd6050
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|
2313 query.append("WHERE 1=1"); |
|
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|
2314 |
|
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|
2315 if (catalog != null && !catalog.isEmpty()) { |
|
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|
2316 // non-empty catalog selection. |
|
0
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2317 // as we do not support catalogs this always results in no rows returned |
|
352
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Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
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2318 query.append(" AND 1=0"); |
|
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|
2319 } 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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|
2320 if (schemaPattern != null && !schemaPattern.equals("%")) { |
|
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|
2321 query.append(" AND s.\"name\" ").append(composeMatchPart(schemaPattern)); |
|
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2322 } |
|
323
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2323 if (tableNamePattern != null && !tableNamePattern.equals("%")) { |
|
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|
2324 query.append(" AND t.\"name\" ").append(composeMatchPart(tableNamePattern)); |
|
216
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2325 } |
|
0
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2326 } |
|
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|
2327 |
|
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|
2328 query.append(" ORDER BY \"TABLE_SCHEM\", \"TABLE_NAME\", \"PRIVILEGE\""); |
|
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|
2329 |
|
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|
2330 return executeMetaDataQuery(query.toString()); |
|
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parents:
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|
2331 } |
|
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|
2332 |
|
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|
2333 /** |
|
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|
2334 * Get a description of a table's optimal set of columns that |
|
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parents:
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|
2335 * uniquely identifies a row. They are ordered by SCOPE. |
|
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2336 * |
|
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|
2337 * <P>Each column description has the following columns: |
|
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2338 * <OL> |
|
194
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2339 * <LI><B>SCOPE</B> short => actual scope of result |
|
0
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|
2340 * <UL> |
|
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2341 * <LI> bestRowTemporary - very temporary, while using row |
|
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2342 * <LI> bestRowTransaction - valid for remainder of current transaction |
|
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2343 * <LI> bestRowSession - valid for remainder of current session |
|
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2344 * </UL> |
|
194
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2345 * <LI><B>COLUMN_NAME</B> String => column name |
|
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2346 * <LI><B>DATA_TYPE</B> int => SQL data type from java.sql.Types |
|
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2347 * <LI><B>TYPE_NAME</B> String => Data source dependent type name |
|
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2348 * <LI><B>COLUMN_SIZE</B> int => precision |
|
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2349 * <LI><B>BUFFER_LENGTH</B> int => not used |
|
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2350 * <LI><B>DECIMAL_DIGITS</B> short => scale |
|
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Resolved javadoc many errors and warnings, such as:
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|
2351 * <LI><B>PSEUDO_COLUMN</B> short => is this a pseudo column |
|
0
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changeset
|
2352 * like an Oracle ROWID |
|
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parents:
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|
2353 * <UL> |
|
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|
2354 * <LI> bestRowUnknown - may or may not be pseudo column |
|
a5a898f6886c
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|
2355 * <LI> bestRowNotPseudo - is NOT a pseudo column |
|
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|
2356 * <LI> bestRowPseudo - is a pseudo column |
|
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|
2357 * </UL> |
|
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|
2358 * </OL> |
|
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|
2359 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2360 * @param catalog a catalog name; "" retrieves those without a catalog |
|
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|
2361 * @param schema a schema name; "" retrieves those without a schema |
|
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|
2362 * @param table a table name |
|
245
55375d489024
Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
231
diff
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|
2363 * 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
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|
2364 * @param scope the scope of interest; use same values as SCOPE |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2365 * @param nullable include columns that are nullable? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2366 * @return ResultSet each row is a column description |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2367 * @throws SQLException if a database error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2368 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2369 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2370 public ResultSet getBestRowIdentifier( |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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294
diff
changeset
|
2371 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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|
2372 final String schema, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
2373 final String table, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
2374 final int scope, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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|
2375 final boolean nullable |
|
0
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diff
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|
2376 ) throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2377 { |
|
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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|
2378 // first find out if the table has a Primary Key, If it does, we should return only those columns |
|
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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|
2379 boolean hasPK = false; |
|
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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|
2380 ResultSet pkey = null; |
|
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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|
2381 try { |
|
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
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|
2382 pkey = getPrimaryKeys(catalog, schema, table); |
|
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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|
2383 if (pkey != null && pkey.next()) { |
|
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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|
2384 hasPK = true; |
|
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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|
2385 } |
|
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
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|
2386 } catch (SQLException e) { |
|
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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|
2387 // ignore |
|
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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diff
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|
2388 } finally { |
|
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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|
2389 MonetConnection.closeResultsetStatement(pkey, null); |
|
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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|
2390 } |
|
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.
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|
2391 |
|
295
003ae6d881db
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294
diff
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|
2392 final StringBuilder query = new StringBuilder(1500); |
|
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.
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323
diff
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|
2393 // Note: DISTINCT is needed to filter out possible duplicate column names from multiple unique constraints |
|
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
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|
2394 query.append("SELECT DISTINCT cast(").append(DatabaseMetaData.bestRowSession).append(" AS smallint) AS \"SCOPE\", " + |
|
302
1b6c514106ce
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|
2395 "c.\"name\" AS \"COLUMN_NAME\", " + |
|
1b6c514106ce
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|
2396 "cast(").append(MonetDriver.getSQLTypeMap("c.\"type\"")).append(" AS int) AS \"DATA_TYPE\", " + |
|
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|
2397 "c.\"type\" AS \"TYPE_NAME\", " + |
|
1b6c514106ce
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diff
changeset
|
2398 "c.\"type_digits\" AS \"COLUMN_SIZE\", " + |
|
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
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|
2399 "cast(0 as int) AS \"BUFFER_LENGTH\", " + |
|
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1b6c514106ce
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|
2400 "cast(c.\"type_scale\" AS smallint) AS \"DECIMAL_DIGITS\", " + |
|
217
7cbd20ff628c
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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216
diff
changeset
|
2401 "cast(").append(DatabaseMetaData.bestRowNotPseudo).append(" AS smallint) AS \"PSEUDO_COLUMN\" " + |
|
302
1b6c514106ce
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300
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|
2402 "FROM \"sys\".\"keys\" k " + |
|
1b6c514106ce
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300
diff
changeset
|
2403 "JOIN \"sys\".\"objects\" o ON k.\"id\" = o.\"id\" " + |
|
1b6c514106ce
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|
2404 "JOIN \"sys\".\"columns\" c ON (k.\"table_id\" = c.\"table_id\" AND o.\"name\" = c.\"name\") " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
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|
2405 "JOIN \"sys\".\"tables\" t ON k.\"table_id\" = t.\"id\" " + |
|
1b6c514106ce
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|
2406 "JOIN \"sys\".\"schemas\" s ON t.\"schema_id\" = s.\"id\" " + |
|
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.
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|
2407 "WHERE k.\"type\" = ").append(hasPK ? "0" : "1"); // the primary key (type = 0) or else any unique key (type = 1) |
|
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
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|
2408 // TODO: when there is no PK and there are multiple unique constraints, pick only the unique constraint which has a) the least number of columns and b) the smallest total(size in bytes) |
|
0
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|
2409 |
|
216
116b5a149fb4
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|
2410 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
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|
2411 // non-empty catalog selection. |
|
0
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|
2412 // as we do not support catalogs this always results in no rows returned |
|
352
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|
2413 query.append(" AND 1=0"); |
|
216
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|
2414 } 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>
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323
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|
2415 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>
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323
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|
2416 || 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.
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323
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|
2417 || scope == DatabaseMetaData.bestRowTemporary) { |
|
323
8701024a9bb0
In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
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diff
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|
2418 if (schema != null && !schema.equals("%")) { |
|
302
1b6c514106ce
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|
2419 query.append(" AND s.\"name\" ").append(composeMatchPart(schema)); |
|
216
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|
2420 } |
|
323
8701024a9bb0
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|
2421 if (table != null && !table.equals("%")) { |
|
302
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|
2422 query.append(" AND t.\"name\" ").append(composeMatchPart(table)); |
|
216
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|
2423 } |
|
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|
2424 if (!nullable) { |
|
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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|
2425 query.append(" AND c.\"null\" = false"); |
|
216
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|
2426 } |
|
331
6ed8f5b1f9ed
Corrected method DatabaseMetaData.getBestRowIdentifier(). It used to return columns of both primary key and unique constraints. Now it only returns the columns of the primary key if it has one, else columns of a unique constraint.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
323
diff
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|
2427 } else { |
|
352
f62137dd6050
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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350
diff
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|
2428 query.append(" AND 1=0"); |
|
216
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
2429 } |
|
0
a5a898f6886c
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parents:
diff
changeset
|
2430 } |
|
a5a898f6886c
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parents:
diff
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|
2431 |
|
331
6ed8f5b1f9ed
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
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|
2432 query.append(" ORDER BY \"SCOPE\", o.\"nr\", \"COLUMN_NAME\""); |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2433 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2434 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2435 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2436 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2437 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2438 * 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
|
2439 * updated when any value in a row is updated. They are unordered. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2440 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2441 * <P>Each column description has the following columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2442 * <OL> |
|
194
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|
2443 * <LI><B>SCOPE</B> short => is not used |
|
1296dbcc4958
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|
2444 * <LI><B>COLUMN_NAME</B> String => column name |
|
1296dbcc4958
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|
2445 * <LI><B>DATA_TYPE</B> int => SQL data type from java.sql.Types |
|
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|
2446 * <LI><B>TYPE_NAME</B> String => Data source dependent type name |
|
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186
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|
2447 * <LI><B>COLUMN_SIZE</B> int => precision |
|
1296dbcc4958
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186
diff
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|
2448 * <LI><B>BUFFER_LENGTH</B> int => length of column value in bytes |
|
1296dbcc4958
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186
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|
2449 * <LI><B>DECIMAL_DIGITS</B> short => scale |
|
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
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|
2450 * <LI><B>PSEUDO_COLUMN</B> short => is this a pseudo column like an Oracle ROWID |
|
0
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parents:
diff
changeset
|
2451 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2452 * <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
|
2453 * <LI> versionColumnNotPseudo - is NOT a pseudo column |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2454 * <LI> versionColumnPseudo - is a pseudo column |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2455 * </UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2456 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2457 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2458 * @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
|
2459 * @param schema a schema name; "" retrieves those without a schema |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2460 * @param table a table name |
|
245
55375d489024
Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
231
diff
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|
2461 * 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
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parents:
diff
changeset
|
2462 * @return ResultSet each row is a column description |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2463 * @throws SQLException if a database error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2464 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2465 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2466 public ResultSet getVersionColumns( |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
294
diff
changeset
|
2467 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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|
2468 final String schema, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
2469 final String table |
|
0
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parents:
diff
changeset
|
2470 ) throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2471 { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2472 // MonetDB currently does not have columns which update themselves, so return an empty ResultSet |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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294
diff
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|
2473 final String query = |
|
217
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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216
diff
changeset
|
2474 "SELECT cast(0 as smallint) AS \"SCOPE\", " + |
|
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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216
diff
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|
2475 "cast(null as char(1)) AS \"COLUMN_NAME\", " + |
|
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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216
diff
changeset
|
2476 "cast(0 as int) AS \"DATA_TYPE\", " + |
|
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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216
diff
changeset
|
2477 "cast(null as char(1)) AS \"TYPE_NAME\", " + |
|
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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216
diff
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|
2478 "cast(0 as int) AS \"COLUMN_SIZE\", " + |
|
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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216
diff
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|
2479 "cast(0 as int) AS \"BUFFER_LENGTH\", " + |
|
7cbd20ff628c
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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216
diff
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|
2480 "cast(0 as smallint) AS \"DECIMAL_DIGITS\", " + |
|
7cbd20ff628c
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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216
diff
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|
2481 "cast(0 as smallint) AS \"PSEUDO_COLUMN\" " + |
|
352
f62137dd6050
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
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|
2482 "WHERE 1=0"; |
|
0
a5a898f6886c
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parents:
diff
changeset
|
2483 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2484 return executeMetaDataQuery(query); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2485 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2486 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2487 /** |
|
a5a898f6886c
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parents:
diff
changeset
|
2488 * Get a description of a table's primary key columns. They |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2489 * are ordered by COLUMN_NAME. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2490 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2491 * <P>Each column description has the following columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2492 * <OL> |
|
194
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|
2493 * <LI><B>TABLE_CAT</B> String => table catalog (may be null) |
|
1296dbcc4958
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|
2494 * <LI><B>TABLE_SCHEM</B> String => table schema (may be null) |
|
1296dbcc4958
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|
2495 * <LI><B>TABLE_NAME</B> String => table name |
|
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|
2496 * <LI><B>COLUMN_NAME</B> String => column name |
|
1296dbcc4958
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|
2497 * <LI><B>KEY_SEQ</B> short => sequence number within primary key |
|
1296dbcc4958
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|
2498 * <LI><B>PK_NAME</B> String => primary key name (may be null) |
|
0
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diff
changeset
|
2499 * </OL> |
|
a5a898f6886c
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parents:
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|
2500 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2501 * @param catalog a catalog name; "" retrieves those without a catalog |
|
245
55375d489024
Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
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2502 * @param schema a schema name pattern; "" retrieves those without a schema |
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2503 * @param table a table name |
|
245
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diff
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|
2504 * 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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|
2505 * @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:
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|
2506 * @throws SQLException if a database error occurs |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2507 */ |
|
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|
2508 @Override |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2509 public ResultSet getPrimaryKeys( |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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|
2510 final String catalog, |
|
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Add "final" keyword to method arguments and local variables where possible.
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294
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|
2511 final String schema, |
|
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Add "final" keyword to method arguments and local variables where possible.
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|
2512 final String table |
|
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|
2513 ) throws SQLException |
|
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2514 { |
|
295
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|
2515 final StringBuilder query = new StringBuilder(600); |
|
217
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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216
diff
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|
2516 query.append("SELECT cast(null AS char(1)) AS \"TABLE_CAT\", " + |
|
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
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|
2517 "s.\"name\" AS \"TABLE_SCHEM\", " + |
|
1b6c514106ce
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|
2518 "t.\"name\" AS \"TABLE_NAME\", " + |
|
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diff
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|
2519 "o.\"name\" AS \"COLUMN_NAME\", " + |
|
1b6c514106ce
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|
2520 "cast(1 + o.\"nr\" AS smallint) AS \"KEY_SEQ\", " + |
|
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|
2521 " k.\"name\" AS \"PK_NAME\" " + |
|
1b6c514106ce
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|
2522 "FROM \"sys\".\"keys\" k " + |
|
1b6c514106ce
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|
2523 "JOIN \"sys\".\"objects\" o ON k.\"id\" = o.\"id\" " + |
|
1b6c514106ce
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|
2524 "JOIN \"sys\".\"tables\" t ON k.\"table_id\" = t.\"id\" " + |
|
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300
diff
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|
2525 "JOIN \"sys\".\"schemas\" s ON t.\"schema_id\" = s.\"id\" " + |
|
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|
2526 "WHERE k.\"type\" = 0"); // only primary keys (type = 0) |
|
0
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|
2527 |
|
216
116b5a149fb4
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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2528 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
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diff
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2529 // non-empty catalog selection. |
|
0
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parents:
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|
2530 // as we do not support catalogs this always results in no rows returned |
|
352
f62137dd6050
Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
2531 query.append(" AND 1=0"); |
|
216
116b5a149fb4
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2532 } else { |
|
323
8701024a9bb0
In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
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|
2533 if (schema != null && !schema.equals("%")) { |
|
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|
2534 query.append(" AND s.\"name\" ").append(composeMatchPart(schema)); |
|
216
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diff
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|
2535 } |
|
323
8701024a9bb0
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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306
diff
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|
2536 if (table != null && !table.equals("%")) { |
|
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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300
diff
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|
2537 query.append(" AND t.\"name\" ").append(composeMatchPart(table)); |
|
216
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
2538 } |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2539 } |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2540 |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2541 query.append(" ORDER BY \"TABLE_SCHEM\", \"TABLE_NAME\", \"COLUMN_NAME\""); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2542 |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2543 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
2544 } |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2545 |
|
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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|
2546 // same SQL query used by getImportedKeys(), getExportedKeys() and getCrossReference() |
|
186
4767b005a531
Making variables private where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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177
diff
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|
2547 private static final String keyQuery = |
|
217
7cbd20ff628c
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
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|
2548 "SELECT cast(null AS char(1)) AS \"PKTABLE_CAT\", " + |
|
302
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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300
diff
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|
2549 "pkschema.\"name\" AS \"PKTABLE_SCHEM\", " + |
|
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
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|
2550 "pktable.\"name\" AS \"PKTABLE_NAME\", " + |
|
1b6c514106ce
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diff
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|
2551 "pkkeycol.\"name\" AS \"PKCOLUMN_NAME\", " + |
|
217
7cbd20ff628c
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
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|
2552 "cast(null AS char(1)) AS \"FKTABLE_CAT\", " + |
|
302
1b6c514106ce
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|
2553 "fkschema.\"name\" AS \"FKTABLE_SCHEM\", " + |
|
1b6c514106ce
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diff
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|
2554 "fktable.\"name\" AS \"FKTABLE_NAME\", " + |
|
1b6c514106ce
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diff
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|
2555 "fkkeycol.\"name\" AS \"FKCOLUMN_NAME\", " + |
|
217
7cbd20ff628c
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
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|
2556 "cast(1 + \"pkkeycol\".\"nr\" AS smallint) AS \"KEY_SEQ\", " + |
|
0
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parents:
diff
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|
2557 DatabaseMetaData.importedKeyNoAction + " AS \"UPDATE_RULE\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2558 DatabaseMetaData.importedKeyNoAction + " AS \"DELETE_RULE\", " + |
|
302
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300
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|
2559 "fkkey.\"name\" AS \"FK_NAME\", " + |
|
1b6c514106ce
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diff
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|
2560 "pkkey.\"name\" AS \"PK_NAME\", " + |
|
0
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parents:
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|
2561 DatabaseMetaData.importedKeyNotDeferrable + " AS \"DEFERRABILITY\" " + |
|
302
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
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300
diff
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|
2562 "FROM \"sys\".\"keys\" pkkey " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
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300
diff
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|
2563 "JOIN \"sys\".\"objects\" pkkeycol ON pkkey.\"id\" = pkkeycol.\"id\" " + |
|
1b6c514106ce
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300
diff
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|
2564 "JOIN \"sys\".\"tables\" pktable ON pktable.\"id\" = pkkey.\"table_id\" " + |
|
1b6c514106ce
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parents:
300
diff
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|
2565 "JOIN \"sys\".\"schemas\" pkschema ON pkschema.\"id\" = pktable.\"schema_id\" " + |
|
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
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|
2566 "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
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|
2567 "JOIN \"sys\".\"objects\" fkkeycol ON (fkkey.\"id\" = fkkeycol.\"id\" AND fkkeycol.\"nr\" = pkkeycol.\"nr\") " + |
|
1b6c514106ce
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300
diff
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|
2568 "JOIN \"sys\".\"tables\" fktable ON fktable.\"id\" = fkkey.\"table_id\" " + |
|
1b6c514106ce
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300
diff
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|
2569 "JOIN \"sys\".\"schemas\" fkschema ON fkschema.\"id\" = fktable.\"schema_id\" " + |
|
1b6c514106ce
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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300
diff
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|
2570 "WHERE fkkey.\"rkey\" > 0"; // exclude invalid key references, such as -1 |
|
0
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|
2571 |
|
a5a898f6886c
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diff
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|
2572 /** |
|
a5a898f6886c
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parents:
diff
changeset
|
2573 * Get a description of the primary key columns that are |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2574 * referenced by a table's foreign key columns (the primary keys |
|
a5a898f6886c
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parents:
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|
2575 * imported by a table). They are ordered by PKTABLE_CAT, |
|
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|
2576 * PKTABLE_SCHEM, PKTABLE_NAME, and KEY_SEQ. |
|
a5a898f6886c
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|
2577 * |
|
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|
2578 * <P>Each primary key column description has the following columns: |
|
a5a898f6886c
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|
2579 * <OL> |
|
194
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|
2580 * <LI><B>PKTABLE_CAT</B> String => primary key table catalog |
|
0
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|
2581 * being imported (may be null) |
|
194
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2582 * <LI><B>PKTABLE_SCHEM</B> String => primary key table schema |
|
0
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|
2583 * being imported (may be null) |
|
194
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2584 * <LI><B>PKTABLE_NAME</B> String => primary key table name |
|
0
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|
2585 * being imported |
|
194
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|
2586 * <LI><B>PKCOLUMN_NAME</B> String => primary key column name |
|
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|
2587 * being imported |
|
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|
2588 * <LI><B>FKTABLE_CAT</B> String => foreign key table catalog (may be null) |
|
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|
2589 * <LI><B>FKTABLE_SCHEM</B> String => foreign key table schema (may be null) |
|
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|
2590 * <LI><B>FKTABLE_NAME</B> String => foreign key table name |
|
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|
2591 * <LI><B>FKCOLUMN_NAME</B> String => foreign key column name |
|
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|
2592 * <LI><B>KEY_SEQ</B> short => sequence number within foreign key |
|
0
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|
2593 * (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). |
|
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2594 * <LI><B>UPDATE_RULE</B> short => What happens to |
|
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|
2595 * foreign key when primary is updated: |
|
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|
2596 * <UL> |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2597 * <LI> importedKeyNoAction - do not allow update of primary key if it has been imported |
|
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|
2598 * <LI> importedKeyCascade - change imported key to agree |
|
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parents:
diff
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|
2599 * with primary key update |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2600 * <LI> importedKeyRestrict - do not allow update of primary |
|
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diff
changeset
|
2601 * key if it has been imported |
|
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|
2602 * <LI> importedKeySetNull - change imported key to NULL if |
|
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|
2603 * its primary key has been updated |
|
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|
2604 * </UL> |
|
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2605 * <LI><B>DELETE_RULE</B> short => What happens to |
|
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parents:
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changeset
|
2606 * the foreign key when primary is deleted. |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2607 * <UL> |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2608 * <LI> importedKeyNoAction - do not allow delete of primary key if it has been imported |
|
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|
2609 * <LI> importedKeyCascade - delete rows that import a deleted key |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2610 * <LI> importedKeyRestrict - do not allow delete of primary |
|
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|
2611 * key if it has been imported |
|
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|
2612 * <LI> importedKeySetNull - change imported key to NULL if |
|
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|
2613 * its primary key has been deleted |
|
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2614 * </UL> |
|
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2615 * <LI><B>FK_NAME</B> String => foreign key name (may be null) |
|
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2616 * <LI><B>PK_NAME</B> String => primary key name (may be null) |
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2617 * <LI><B>DEFERRABILITY</B> short => can the evaluation of foreign key constraints be deferred until commit |
|
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|
2618 * <UL> |
|
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2619 * <LI> importedKeyInitiallyDeferred - see SQL92 for definition |
|
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2620 * <LI> importedKeyInitiallyImmediate - see SQL92 for definition |
|
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|
2621 * <LI> importedKeyNotDeferrable - see SQL92 for definition |
|
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2622 * </UL> |
|
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|
2623 * </OL> |
|
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|
2624 * |
|
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|
2625 * @param catalog a catalog name; "" retrieves those without a catalog |
|
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|
2626 * @param schema a schema name pattern; "" retrieves those without a schema |
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|
2627 * @param table a table name |
|
245
55375d489024
Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
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diff
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|
2628 * 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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|
2629 * @return ResultSet each row is a primary key column description |
|
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|
2630 * @see #getExportedKeys |
|
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|
2631 * @throws SQLException if a database error occurs |
|
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|
2632 */ |
|
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|
2633 @Override |
|
295
003ae6d881db
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|
2634 public ResultSet getImportedKeys( |
|
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|
2635 final String catalog, |
|
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Add "final" keyword to method arguments and local variables where possible.
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|
2636 final String schema, |
|
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|
2637 final String table |
|
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Add "final" keyword to method arguments and local variables where possible.
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2638 ) throws SQLException |
|
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|
2639 { |
|
295
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2640 final StringBuilder query = new StringBuilder(keyQuery.length() + 250); |
|
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|
2641 query.append(keyQuery); |
|
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2642 |
|
216
116b5a149fb4
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diff
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|
2643 if (catalog != null && !catalog.isEmpty()) { |
|
299
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|
2644 // non-empty catalog selection. |
|
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|
2645 // as we do not support catalogs this always results in no rows returned |
|
352
f62137dd6050
Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
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350
diff
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|
2646 query.append(" AND 1=0"); |
|
216
116b5a149fb4
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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
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|
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
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|
2649 query.append(" AND fkschema.\"name\" ").append(composeMatchPart(schema)); |
|
216
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Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
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|
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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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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diff
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|
2652 query.append(" AND fktable.\"name\" ").append(composeMatchPart(table)); |
|
216
116b5a149fb4
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
2653 } |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
2654 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2655 |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2656 query.append(" ORDER BY \"PKTABLE_SCHEM\", \"PKTABLE_NAME\", \"PK_NAME\", \"KEY_SEQ\""); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2657 |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2658 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2659 } |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2660 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2661 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2662 * Get a description of a foreign key columns that reference a |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2663 * table's primary key columns (the foreign keys exported by a table). |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
2664 * They are ordered by FKTABLE_CAT, FKTABLE_SCHEM, FKTABLE_NAME, and KEY_SEQ. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2665 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2666 * <P>Each foreign key column description has the following columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2667 * <OL> |
|
194
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|
2668 * <LI><B>PKTABLE_CAT</B> String => primary key table catalog (may be null) |
|
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|
2669 * <LI><B>PKTABLE_SCHEM</B> String => primary key table schema (may be null) |
|
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|
2670 * <LI><B>PKTABLE_NAME</B> String => primary key table name |
|
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|
2671 * <LI><B>PKCOLUMN_NAME</B> String => primary key column name |
|
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|
2672 * <LI><B>FKTABLE_CAT</B> String => foreign key table catalog (may be null) |
|
0
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|
2673 * being exported (may be null) |
|
194
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|
2674 * <LI><B>FKTABLE_SCHEM</B> String => foreign key table schema (may be null) |
|
0
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|
2675 * being exported (may be null) |
|
194
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|
2676 * <LI><B>FKTABLE_NAME</B> String => foreign key table name |
|
0
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|
2677 * being exported |
|
194
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|
2678 * <LI><B>FKCOLUMN_NAME</B> String => foreign key column name |
|
0
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|
2679 * being exported |
|
194
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|
2680 * <LI><B>KEY_SEQ</B> short => sequence number within foreign key |
|
0
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|
2681 * (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). |
|
194
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|
2682 * <LI><B>UPDATE_RULE</B> short => What happens to |
|
0
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|
2683 * foreign key when primary is updated: |
|
a5a898f6886c
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|
2684 * <UL> |
|
a5a898f6886c
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|
2685 * <LI> importedKeyNoAction - do not allow update of primary key if it has been imported |
|
a5a898f6886c
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|
2686 * <LI> importedKeyCascade - change imported key to agree |
|
a5a898f6886c
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|
2687 * with primary key update |
|
a5a898f6886c
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|
2688 * <LI> importedKeyRestrict - do not allow update of primary |
|
a5a898f6886c
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changeset
|
2689 * key if it has been imported |
|
a5a898f6886c
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changeset
|
2690 * <LI> importedKeySetNull - change imported key to NULL if |
|
a5a898f6886c
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changeset
|
2691 * its primary key has been updated |
|
a5a898f6886c
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|
2692 * </UL> |
|
194
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2693 * <LI><B>DELETE_RULE</B> short => What happens to |
|
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parents:
diff
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|
2694 * the foreign key when primary is deleted. |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2695 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2696 * <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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|
2697 * <LI> importedKeyCascade - delete rows that import a deleted key |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2698 * <LI> importedKeyRestrict - do not allow delete of primary |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2699 * key if it has been imported |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2700 * <LI> importedKeySetNull - change imported key to NULL if |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2701 * its primary key has been deleted |
|
a5a898f6886c
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|
2702 * </UL> |
|
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2703 * <LI><B>FK_NAME</B> String => foreign key identifier (may be null) |
|
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2704 * <LI><B>PK_NAME</B> String => primary key identifier (may be null) |
|
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2705 * <LI><B>DEFERRABILITY</B> short => can the evaluation of foreign key constraints be deferred until commit |
|
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|
2706 * <UL> |
|
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parents:
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changeset
|
2707 * <LI> importedKeyInitiallyDeferred - see SQL92 for definition |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2708 * <LI> importedKeyInitiallyImmediate - see SQL92 for definition |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2709 * <LI> importedKeyNotDeferrable - see SQL92 for definition |
|
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|
2710 * </UL> |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2711 * </OL> |
|
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|
2712 * |
|
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|
2713 * @param catalog a catalog name; "" retrieves those without a catalog |
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|
2714 * @param schema a schema name pattern; "" retrieves those without a schema |
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|
2715 * @param table a table name |
|
245
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Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
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|
2716 * 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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|
2717 * @return ResultSet each row is a foreign key column description |
|
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|
2718 * @see #getImportedKeys |
|
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|
2719 * @throws SQLException if a database error occurs |
|
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|
2720 */ |
|
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2721 @Override |
|
295
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Add "final" keyword to method arguments and local variables where possible.
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2722 public ResultSet getExportedKeys( |
|
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2723 final String catalog, |
|
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Add "final" keyword to method arguments and local variables where possible.
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2724 final String schema, |
|
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2725 final String table |
|
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Add "final" keyword to method arguments and local variables where possible.
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2726 ) throws SQLException |
|
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2727 { |
|
295
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2728 final StringBuilder query = new StringBuilder(keyQuery.length() + 250); |
|
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|
2729 query.append(keyQuery); |
|
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parents:
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|
2730 |
|
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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diff
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|
2731 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
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diff
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|
2732 // non-empty catalog selection. |
|
0
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diff
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|
2733 // as we do not support catalogs this always results in no rows returned |
|
352
f62137dd6050
Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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350
diff
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|
2734 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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|
2735 } 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
|
2736 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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|
2737 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>
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215
diff
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|
2738 } |
|
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
|
2739 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
|
2740 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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diff
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|
2741 } |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2742 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2743 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2744 query.append(" ORDER BY \"FKTABLE_SCHEM\", \"FKTABLE_NAME\", \"FK_NAME\", \"KEY_SEQ\""); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2745 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2746 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2747 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2748 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2749 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2750 * Get a description of the foreign key columns in the foreign key |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2751 * table that reference the primary key columns of the primary key |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2752 * table. (describe how one table imports another's key) This |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2753 * should normally return a single foreign key/primary key pair |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2754 * (most tables only import a foreign key from a table once.) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2755 * They are ordered by FKTABLE_CAT, FKTABLE_SCHEM, FKTABLE_NAME, and KEY_SEQ. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2756 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2757 * <P>Each foreign key column description has the following columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2758 * <OL> |
|
194
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diff
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|
2759 * <LI><B>PKTABLE_CAT</B> String => primary key table catalog (may be null) |
|
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
changeset
|
2760 * <LI><B>PKTABLE_SCHEM</B> String => primary key table schema (may be null) |
|
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
2761 * <LI><B>PKTABLE_NAME</B> String => primary key table name |
|
1296dbcc4958
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186
diff
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|
2762 * <LI><B>PKCOLUMN_NAME</B> String => primary key column name |
|
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|
2763 * <LI><B>FKTABLE_CAT</B> String => foreign key table catalog (may be null) |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2764 * being exported (may be null) |
|
194
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|
2765 * <LI><B>FKTABLE_SCHEM</B> String => foreign key table schema (may be null) |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2766 * being exported (may be null) |
|
194
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|
2767 * <LI><B>FKTABLE_NAME</B> String => foreign key table name |
|
0
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|
2768 * being exported |
|
194
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|
2769 * <LI><B>FKCOLUMN_NAME</B> String => foreign key column name |
|
0
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|
2770 * being exported |
|
194
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|
2771 * <LI><B>KEY_SEQ</B> short => sequence number within foreign key |
|
0
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|
2772 * (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). |
|
194
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diff
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|
2773 * <LI><B>UPDATE_RULE</B> short => What happens to |
|
0
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2774 * foreign key when primary is updated: |
|
a5a898f6886c
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diff
changeset
|
2775 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2776 * <LI> importedKeyNoAction - do not allow update of primary key if it has been imported |
|
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|
2777 * <LI> importedKeyCascade - change imported key to agree |
|
a5a898f6886c
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diff
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|
2778 * with primary key update |
|
a5a898f6886c
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diff
changeset
|
2779 * <LI> importedKeyRestrict - do not allow update of primary |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2780 * key if it has been imported |
|
a5a898f6886c
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diff
changeset
|
2781 * <LI> importedKeySetNull - change imported key to NULL if |
|
a5a898f6886c
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diff
changeset
|
2782 * its primary key has been updated |
|
a5a898f6886c
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|
2783 * </UL> |
|
194
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|
2784 * <LI><B>DELETE_RULE</B> short => What happens to |
|
0
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diff
changeset
|
2785 * the foreign key when primary is deleted. |
|
a5a898f6886c
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parents:
diff
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|
2786 * <UL> |
|
a5a898f6886c
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diff
changeset
|
2787 * <LI> importedKeyNoAction - do not allow delete of primary key if it has been imported |
|
a5a898f6886c
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diff
changeset
|
2788 * <LI> importedKeyCascade - delete rows that import a deleted key |
|
a5a898f6886c
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diff
changeset
|
2789 * <LI> importedKeyRestrict - do not allow delete of primary |
|
a5a898f6886c
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diff
changeset
|
2790 * key if it has been imported |
|
a5a898f6886c
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parents:
diff
changeset
|
2791 * <LI> importedKeySetNull - change imported key to NULL if |
|
a5a898f6886c
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parents:
diff
changeset
|
2792 * its primary key has been deleted |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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2793 * </UL> |
|
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2794 * <LI><B>FK_NAME</B> String => foreign key identifier (may be null) |
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2795 * <LI><B>PK_NAME</B> String => primary key identifier (may be null) |
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2796 * <LI><B>DEFERRABILITY</B> short => can the evaluation of foreign key constraints be deferred until commit |
|
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|
2797 * <UL> |
|
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|
2798 * <LI> importedKeyInitiallyDeferred - see SQL92 for definition |
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|
2799 * <LI> importedKeyInitiallyImmediate - see SQL92 for definition |
|
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|
2800 * <LI> importedKeyNotDeferrable - see SQL92 for definition |
|
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|
2801 * </UL> |
|
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2802 * </OL> |
|
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2803 * |
|
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|
2804 * @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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|
2805 * @param pschema primary key schema name pattern; "" retrieves those without a schema |
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2806 * @param ptable primary key table name |
|
245
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Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
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2807 * 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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|
2808 * @param fcatalog foreign key catalog name; "" retrieves those without a catalog |
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|
2809 * @param fschema foreign key schema name pattern; "" retrieves those without a schema |
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2810 * @param ftable koreign key table name |
|
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2811 * Note that our implementation allows this param to be null also (for efficiency as no extra LIKE "%" condition is added to be evaluated). |
|
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|
2812 * @return ResultSet each row is a foreign key column description |
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2813 * @throws SQLException if a database error occurs |
|
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2814 * @see #getImportedKeys |
|
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|
2815 */ |
|
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2816 @Override |
|
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|
2817 public ResultSet getCrossReference( |
|
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2818 final String pcatalog, |
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2819 final String pschema, |
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2820 final String ptable, |
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2821 final String fcatalog, |
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2822 final String fschema, |
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2823 final String ftable |
|
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2824 ) throws SQLException |
|
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2825 { |
|
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2826 final StringBuilder query = new StringBuilder(keyQuery.length() + 350); |
|
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|
2827 query.append(keyQuery); |
|
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|
2828 |
|
216
116b5a149fb4
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|
2829 if ((pcatalog != null && !pcatalog.isEmpty()) |
|
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2830 || (fcatalog != null && !fcatalog.isEmpty())) { |
|
299
1f0324072b0c
Correcting typo in comment
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|
2831 // non-empty catalog selection. |
|
0
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|
2832 // as we do not support catalogs this always results in no rows returned |
|
352
f62137dd6050
Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
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|
2833 query.append(" AND 1=0"); |
|
216
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|
2834 } else { |
|
323
8701024a9bb0
In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
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|
2835 if (pschema != null && !pschema.equals("%")) { |
|
302
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
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|
2836 query.append(" AND pkschema.\"name\" ").append(composeMatchPart(pschema)); |
|
216
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Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
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|
2837 } |
|
323
8701024a9bb0
In DatabaseMetaData methods which accept name match patterns, optimise the SQL generation when the pattern equals a: %
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|
2838 if (ptable != null && !ptable.equals("%")) { |
|
302
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|
2839 query.append(" AND pktable.\"name\" ").append(composeMatchPart(ptable)); |
|
216
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Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
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|
2840 } |
|
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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|
2841 |
|
323
8701024a9bb0
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|
2842 if (fschema != null && !fschema.equals("%")) { |
|
302
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
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diff
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|
2843 query.append(" AND fkschema.\"name\" ").append(composeMatchPart(fschema)); |
|
216
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Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
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|
2844 } |
|
323
8701024a9bb0
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|
2845 if (ftable != null && !ftable.equals("%")) { |
|
302
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diff
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|
2846 query.append(" AND fktable.\"name\" ").append(composeMatchPart(ftable)); |
|
216
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Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
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|
2847 } |
|
0
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|
2848 } |
|
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|
2849 |
|
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2850 query.append(" ORDER BY \"FKTABLE_SCHEM\", \"FKTABLE_NAME\", \"FK_NAME\", \"KEY_SEQ\""); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2851 |
|
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diff
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|
2852 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2853 } |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2854 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
2855 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2856 * Get a description of all the SQL data types supported by |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
2857 * this database. They are ordered by DATA_TYPE and then by how |
|
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diff
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|
2858 * closely the data type maps to the corresponding JDBC SQL type. |
|
a5a898f6886c
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|
2859 * |
|
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diff
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|
2860 * If the database supports SQL distinct types, then getTypeInfo() will |
|
a5a898f6886c
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parents:
diff
changeset
|
2861 * return a single row with a TYPE_NAME of DISTINCT and a DATA_TYPE of Types.DISTINCT. |
|
a5a898f6886c
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|
2862 * If the database supports SQL structured types, then getTypeInfo() will |
|
a5a898f6886c
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parents:
diff
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|
2863 * return a single row with a TYPE_NAME of STRUCT and a DATA_TYPE of Types.STRUCT. |
|
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diff
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|
2864 * If SQL distinct or structured types are supported, then information on |
|
a5a898f6886c
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|
2865 * the individual types may be obtained from the getUDTs() method. |
|
a5a898f6886c
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|
2866 * |
|
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|
2867 * <P>Each type description has the following columns: |
|
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|
2868 * <OL> |
|
194
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|
2869 * <LI><B>TYPE_NAME</B> String => Type name |
|
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|
2870 * <LI><B>DATA_TYPE</B> int => SQL data type from java.sql.Types |
|
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|
2871 * <LI><B>PRECISION</B> int => maximum precision |
|
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|
2872 * <LI><B>LITERAL_PREFIX</B> String => prefix used to quote a literal (may be null) |
|
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|
2873 * <LI><B>LITERAL_SUFFIX</B> String => suffix used to quote a literal (may be null) |
|
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|
2874 * <LI><B>CREATE_PARAMS</B> String => parameters used in creating |
|
0
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|
2875 * the type (may be null) |
|
194
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|
2876 * <LI><B>NULLABLE</B> short => can you use NULL for this type? |
|
0
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|
2877 * <UL> |
|
a5a898f6886c
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|
2878 * <LI> typeNoNulls - does not allow NULL values |
|
a5a898f6886c
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|
2879 * <LI> typeNullable - allows NULL values |
|
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|
2880 * <LI> typeNullableUnknown - nullability unknown |
|
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|
2881 * </UL> |
|
194
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|
2882 * <LI><B>CASE_SENSITIVE</B> boolean=> is it case sensitive? |
|
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|
2883 * <LI><B>SEARCHABLE</B> short => can you use "WHERE" based on this type: |
|
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|
2884 * <UL> |
|
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|
2885 * <LI> typePredNone - No support |
|
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|
2886 * <LI> typePredChar - Only supported with WHERE .. LIKE |
|
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|
2887 * <LI> typePredBasic - Supported except for WHERE .. LIKE |
|
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|
2888 * <LI> typeSearchable - Supported for all WHERE .. |
|
a5a898f6886c
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|
2889 * </UL> |
|
194
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|
2890 * <LI><B>UNSIGNED_ATTRIBUTE</B> boolean => is it unsigned? |
|
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|
2891 * <LI><B>FIXED_PREC_SCALE</B> boolean => can it be a money value? |
|
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|
2892 * <LI><B>AUTO_INCREMENT</B> boolean => can it be used for an |
|
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|
2893 * auto-increment value? |
|
194
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|
2894 * <LI><B>LOCAL_TYPE_NAME</B> String => localized version of type name |
|
0
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|
2895 * (may be null) |
|
194
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|
2896 * <LI><B>MINIMUM_SCALE</B> short => minimum scale supported |
|
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|
2897 * <LI><B>MAXIMUM_SCALE</B> short => maximum scale supported |
|
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|
2898 * <LI><B>SQL_DATA_TYPE</B> int => unused |
|
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186
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|
2899 * <LI><B>SQL_DATETIME_SUB</B> int => unused |
|
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|
2900 * <LI><B>NUM_PREC_RADIX</B> int => usually 2 or 10 |
|
0
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diff
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|
2901 * </OL> |
|
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parents:
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|
2902 * |
|
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|
2903 * @return ResultSet each row is a SQL type description |
|
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2904 * @throws SQLException if a database error occurs |
|
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|
2905 */ |
|
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parents:
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|
2906 @Override |
|
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2907 public ResultSet getTypeInfo() throws SQLException { |
|
295
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2908 final StringBuilder query = new StringBuilder(2300); |
|
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parents:
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|
2909 query.append("SELECT \"sqlname\" AS \"TYPE_NAME\", " + |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2910 "cast(").append(MonetDriver.getSQLTypeMap("\"sqlname\"")).append(" AS int) AS \"DATA_TYPE\", " + |
|
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|
2911 "\"digits\" AS \"PRECISION\", " + // note that when radix is 2 the precision shows the number of bits |
|
265
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Corrected MonetDatabaseMetaData method getTypeInfo() for result column
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2912 "cast(CASE WHEN \"systemname\" IN ('str','inet','json','url','uuid','blob','sqlblob') THEN ''''" + |
|
0
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|
2913 " ELSE NULL END AS varchar(2)) AS \"LITERAL_PREFIX\", " + |
|
265
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|
2914 "cast(CASE WHEN \"systemname\" IN ('str','inet','json','url','uuid','blob','sqlblob') THEN ''''" + |
|
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|
2915 " ELSE NULL END AS varchar(2)) AS \"LITERAL_SUFFIX\", " + |
|
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parents:
diff
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|
2916 "CASE WHEN \"sqlname\" IN ('char', 'varchar') THEN 'max length'" + |
|
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|
2917 " WHEN \"sqlname\" = 'decimal' THEN 'precision, scale'" + |
|
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parents:
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|
2918 " WHEN \"sqlname\" IN ('time', 'timetz', 'timestamp', 'timestamptz', 'sec_interval') THEN 'precision'" + |
|
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|
2919 " ELSE NULL END AS \"CREATE_PARAMS\", " + |
|
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parents:
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|
2920 "cast(CASE WHEN \"systemname\" = 'oid' THEN ").append(DatabaseMetaData.typeNoNulls) |
|
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|
2921 .append(" ELSE ").append(DatabaseMetaData.typeNullable).append(" END AS smallint) AS \"NULLABLE\", " + |
|
265
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264
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|
2922 "CASE WHEN \"systemname\" IN ('str','json','url') THEN true ELSE false END AS \"CASE_SENSITIVE\", " + |
|
177f3d1a791d
Corrected MonetDatabaseMetaData method getTypeInfo() for result column
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
2923 "cast(CASE WHEN \"systemname\" IN ('str','inet','json','url','uuid','blob','sqlblob') THEN ").append(DatabaseMetaData.typeSearchable) |
|
0
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parents:
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changeset
|
2924 .append(" ELSE ").append(DatabaseMetaData.typePredBasic).append(" END AS smallint) AS \"SEARCHABLE\", " + |
|
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parents:
diff
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|
2925 "CASE WHEN \"sqlname\" IN ('tinyint','smallint','int','bigint','hugeint','decimal','real','double','sec_interval','month_interval') THEN false ELSE true END AS \"UNSIGNED_ATTRIBUTE\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2926 "CASE \"sqlname\" WHEN 'decimal' THEN true ELSE false END AS \"FIXED_PREC_SCALE\", " + |
|
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2927 "CASE WHEN \"sqlname\" IN ('tinyint','smallint','int','bigint','hugeint','decimal','oid','wrd') THEN true ELSE false END AS \"AUTO_INCREMENT\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2928 "\"systemname\" AS \"LOCAL_TYPE_NAME\", " + |
|
a5a898f6886c
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parents:
diff
changeset
|
2929 "cast(0 AS smallint) AS \"MINIMUM_SCALE\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2930 "cast(CASE WHEN \"sqlname\" = 'decimal' THEN (CASE \"systemname\" WHEN 'lng' THEN 18 WHEN 'hge' THEN 38 WHEN 'int' THEN 9 WHEN 'sht' THEN 4 WHEN 'bte' THEN 2 ELSE 0 END)" + |
|
23
e8cced5f7283
Correct the maximum precision of fractions of a second to 6 (was 9) and included it for the missing time and timetz.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
19
diff
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|
2931 " WHEN \"sqlname\" IN ('time', 'timetz', 'timestamp', 'timestamptz', 'sec_interval') THEN 6 ELSE 0 END AS smallint) AS \"MAXIMUM_SCALE\", " + |
|
0
a5a898f6886c
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parents:
diff
changeset
|
2932 "cast(0 AS int) AS \"SQL_DATA_TYPE\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2933 "cast(0 AS int) AS \"SQL_DATETIME_SUB\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2934 "cast(\"radix\" as int) AS \"NUM_PREC_RADIX\" " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2935 "FROM \"sys\".\"types\" " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2936 "ORDER BY \"DATA_TYPE\", \"sqlname\", \"id\""); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
2937 |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2938 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2939 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2940 |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2941 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2942 * Retrieves a description of the given table's indices and statistics. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2943 * They are ordered by NON_UNIQUE, TYPE, INDEX_NAME, and ORDINAL_POSITION. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2944 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2945 * <P>Each index column description has the following columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2946 * <OL> |
|
194
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186
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|
2947 * <LI><B>TABLE_CAT</B> String => table catalog (may be null) |
|
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186
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|
2948 * <LI><B>TABLE_SCHEM</B> String => table schema (may be null) |
|
1296dbcc4958
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186
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|
2949 * <LI><B>TABLE_NAME</B> String => table name |
|
1296dbcc4958
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186
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|
2950 * <LI><B>NON_UNIQUE</B> boolean => Can index values be non-unique? |
|
0
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|
2951 * false when TYPE is tableIndexStatistic |
|
194
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|
2952 * <LI><B>INDEX_QUALIFIER</B> String => index catalog (may be null); |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2953 * null when TYPE is tableIndexStatistic |
|
194
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
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|
2954 * <LI><B>INDEX_NAME</B> String => index name; null when TYPE is |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2955 * tableIndexStatistic |
|
194
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186
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|
2956 * <LI><B>TYPE</B> short => index type: |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2957 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2958 * <LI> tableIndexStatistic - this identifies table statistics that are |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2959 * returned in conjuction with a table's index descriptions |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2960 * <LI> tableIndexClustered - this is a clustered index |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2961 * <LI> tableIndexHashed - this is a hashed index |
|
a5a898f6886c
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diff
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|
2962 * <LI> tableIndexOther - this is some other style of index |
|
a5a898f6886c
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|
2963 * </UL> |
|
194
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|
2964 * <LI><B>ORDINAL_POSITION</B> short => column sequence number |
|
0
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|
2965 * within index; zero when TYPE is tableIndexStatistic |
|
194
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|
2966 * <LI><B>COLUMN_NAME</B> String => column name; null when TYPE is |
|
0
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|
2967 * tableIndexStatistic |
|
194
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|
2968 * <LI><B>ASC_OR_DESC</B> String => column sort sequence, "A" => ascending |
|
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|
2969 * "D" => descending, may be null if sort sequence is not supported; |
|
0
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|
2970 * null when TYPE is tableIndexStatistic |
|
194
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|
2971 * <LI><B>CARDINALITY</B> int => When TYPE is tableIndexStatisic then |
|
0
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|
2972 * this is the number of rows in the table; otherwise it is the |
|
a5a898f6886c
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|
2973 * number of unique values in the index. |
|
194
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|
2974 * <LI><B>PAGES</B> int => When TYPE is tableIndexStatisic then |
|
0
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parents:
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|
2975 * this is the number of pages used for the table, otherwise it |
|
a5a898f6886c
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|
2976 * is the number of pages used for the current index. |
|
194
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|
2977 * <LI><B>FILTER_CONDITION</B> String => Filter condition, if any. |
|
0
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|
2978 * (may be null) |
|
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|
2979 * </OL> |
|
a5a898f6886c
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|
2980 * |
|
a5a898f6886c
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|
2981 * @param catalog a catalog name; "" retrieves those without a catalog |
|
a5a898f6886c
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|
2982 * @param schema a schema name pattern; "" retrieves those without a schema |
|
a5a898f6886c
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|
2983 * @param table a table name |
|
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
changeset
|
2984 * 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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|
2985 * @param unique when true, return only indices for unique values; |
|
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parents:
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changeset
|
2986 * when false, return indices regardless of whether unique or not |
|
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|
2987 * @param approximate when true, result is allowed to reflect approximate |
|
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|
2988 * or out of data values; when false, results are requested to be |
|
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parents:
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changeset
|
2989 * accurate |
|
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parents:
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changeset
|
2990 * @return ResultSet each row is an index column description |
|
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parents:
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|
2991 * @throws SQLException if a database occurs |
|
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|
2992 */ |
|
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|
2993 @Override |
|
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|
2994 public ResultSet getIndexInfo( |
|
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2995 final String catalog, |
|
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2996 final String schema, |
|
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2997 final String table, |
|
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2998 final boolean unique, |
|
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|
2999 final boolean approximate |
|
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|
3000 ) throws SQLException |
|
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|
3001 { |
|
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|
3002 String table_row_count = "0"; |
|
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3003 |
|
302
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|
3004 if (!approximate |
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3005 && schema != null && !schema.isEmpty() && !schema.contains("%") |
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|
3006 && table != null && !table.isEmpty() && !table.contains("%")) { |
|
0
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|
3007 // we need the exact cardinality for one specific fully qualified table |
|
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|
3008 ResultSet count = null; |
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|
3009 try { |
|
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changeset
|
3010 count = executeMetaDataQuery("SELECT COUNT(*) FROM \"" + schema + "\".\"" + table + "\""); |
|
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changeset
|
3011 if (count != null && count.next()) { |
|
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|
3012 String count_value = count.getString(1); |
|
216
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|
3013 if (count_value != null && !count_value.isEmpty()) |
|
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changeset
|
3014 table_row_count = count_value; |
|
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|
3015 } |
|
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changeset
|
3016 } catch (SQLException e) { |
|
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parents:
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changeset
|
3017 // ignore |
|
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changeset
|
3018 } finally { |
|
300
8cc3b51d1984
Add a utility method to close objects ignoring any possible SQLExceptions thrown.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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299
diff
changeset
|
3019 MonetConnection.closeResultsetStatement(count, null); |
|
0
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changeset
|
3020 } |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
3021 } |
|
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|
3022 |
|
295
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changeset
|
3023 final StringBuilder query = new StringBuilder(1250); |
|
0
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changeset
|
3024 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>
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216
diff
changeset
|
3025 "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.
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300
diff
changeset
|
3026 "s.\"name\" AS \"TABLE_SCHEM\", " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
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diff
changeset
|
3027 "t.\"name\" AS \"TABLE_NAME\", " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
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300
diff
changeset
|
3028 "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
|
3029 "cast(null AS char(1)) AS \"INDEX_QUALIFIER\", " + |
|
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
|
3030 "i.\"name\" AS \"INDEX_NAME\", " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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300
diff
changeset
|
3031 "CASE i.\"type\" WHEN 0 THEN ").append(DatabaseMetaData.tableIndexHashed).append(" ELSE ").append(DatabaseMetaData.tableIndexOther).append(" END AS \"TYPE\", " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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300
diff
changeset
|
3032 "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
|
3033 "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
|
3034 "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
|
3035 "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
|
3036 "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
|
3037 "cast(null AS char(1)) AS \"FILTER_CONDITION\" " + |
|
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
|
3038 "FROM \"sys\".\"idxs\" i " + |
|
1b6c514106ce
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
|
3039 "JOIN \"sys\".\"tables\" t ON i.\"table_id\" = t.\"id\" " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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300
diff
changeset
|
3040 "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
|
3041 "JOIN \"sys\".\"objects\" o ON i.\"id\" = o.\"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
|
3042 "JOIN \"sys\".\"columns\" c ON (t.\"id\" = c.\"table_id\" AND o.\"name\" = c.\"name\") " + |
|
306
7c79ef41b840
Undo change cf372fae2adb. The problem was in the dump code in JdbcClient.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
304
diff
changeset
|
3043 "LEFT OUTER JOIN \"sys\".\"keys\" k ON (i.\"name\" = k.\"name\" AND i.\"table_id\" = k.\"table_id\" AND k.\"type\" IN (0,1)) " + // primary (0) and unique keys (1) only |
|
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
|
3044 "WHERE 1=1"); |
|
0
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|
3045 |
|
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
|
3046 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
298
diff
changeset
|
3047 // non-empty catalog selection. |
|
0
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parents:
diff
changeset
|
3048 // 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
|
3049 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
|
3050 } 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
|
3051 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
|
3052 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
changeset
|
3053 } |
|
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
|
3054 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
|
3055 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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215
diff
changeset
|
3056 } |
|
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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215
diff
changeset
|
3057 if (unique) { |
|
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
|
3058 query.append(" AND 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>
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215
diff
changeset
|
3059 } |
|
0
a5a898f6886c
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changeset
|
3060 } |
|
216
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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215
diff
changeset
|
3061 |
|
0
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Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
3062 query.append(" ORDER BY \"NON_UNIQUE\", \"TYPE\", \"INDEX_NAME\", \"ORDINAL_POSITION\""); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
3063 |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
3064 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
3065 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
3066 |
|
a5a898f6886c
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parents:
diff
changeset
|
3067 //== 1.2 methods (JDBC 2) |
|
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changeset
|
3068 |
|
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diff
changeset
|
3069 /** |
|
a5a898f6886c
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diff
changeset
|
3070 * Does the database support the given result set type? |
|
a5a898f6886c
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parents:
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changeset
|
3071 * |
|
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diff
changeset
|
3072 * @param type - defined in java.sql.ResultSet |
|
a5a898f6886c
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diff
changeset
|
3073 * @return true if so; false otherwise |
|
a5a898f6886c
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parents:
diff
changeset
|
3074 * @throws SQLException - if a database access error occurs |
|
a5a898f6886c
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changeset
|
3075 */ |
|
a5a898f6886c
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diff
changeset
|
3076 @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
changeset
|
3077 public boolean supportsResultSetType(final int type) throws SQLException { |
|
0
a5a898f6886c
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diff
changeset
|
3078 // The only type we don't support |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3079 return type != ResultSet.TYPE_SCROLL_SENSITIVE; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
3080 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3081 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3082 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3083 * 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
|
3084 * with the given result set type? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3085 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3086 * @param type - defined in java.sql.ResultSet |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3087 * @param concurrency - type defined in java.sql.ResultSet |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3088 * @return true if so; false otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3089 * @throws SQLException - if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3090 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3091 @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
changeset
|
3092 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
|
3093 throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3094 { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3095 // These combinations are not supported! |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3096 if (type == ResultSet.TYPE_SCROLL_SENSITIVE) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3097 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3098 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3099 // We do only support Read Only ResultSets |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3100 if (concurrency != ResultSet.CONCUR_READ_ONLY) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3101 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3102 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3103 // 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
|
3104 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3105 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3106 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3107 /* lots of unsupported stuff... (no updatable ResultSet!) */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3108 @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
changeset
|
3109 public boolean ownUpdatesAreVisible(final int type) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3110 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3111 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3112 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3113 @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
|
3114 public boolean ownDeletesAreVisible(final int type) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3115 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3116 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3117 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3118 @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
|
3119 public boolean ownInsertsAreVisible(final int type) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3120 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3121 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3122 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3123 @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
|
3124 public boolean othersUpdatesAreVisible(final int type) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3125 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3126 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3127 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3128 @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
|
3129 public boolean othersDeletesAreVisible(final int i) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3130 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3131 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3132 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3133 @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
|
3134 public boolean othersInsertsAreVisible(final int type) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3135 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3136 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3137 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3138 @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
|
3139 public boolean updatesAreDetected(final int type) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3140 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3141 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3142 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3143 @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
|
3144 public boolean deletesAreDetected(final int i) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3145 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3146 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3147 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3148 @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
|
3149 public boolean insertsAreDetected(final int type) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3150 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3151 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3152 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3153 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3154 * Indicates whether the driver supports batch updates. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3155 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3156 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3157 public boolean supportsBatchUpdates() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3158 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3159 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3160 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3161 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3162 * Retrieves a description of the user-defined types (UDTs) defined in a particular schema. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3163 * Schema-specific UDTs may have type JAVA_OBJECT, STRUCT, or DISTINCT. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3164 * Only types matching the catalog, schema, type name and type criteria are returned. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3165 * They are ordered by DATA_TYPE, TYPE_CAT, TYPE_SCHEM and TYPE_NAME. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3166 * The type name parameter may be a fully-qualified name. In this case, the catalog and schemaPattern parameters are ignored. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3167 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3168 * Each type description has the following columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3169 * |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3170 * 1 TYPE_CAT String => the type's catalog (may be null) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3171 * 2 TYPE_SCHEM String => type's schema (may be null) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3172 * 3 TYPE_NAME String => type name |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3173 * 4 CLASS_NAME String => Java class name |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3174 * 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
|
3175 * 6 REMARKS String => explanatory comment on the type |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3176 * 7 BASE_TYPE short => type code of the source type of a DISTINCT type or the type that implements the |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3177 * 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
|
3178 * in java.sql.Types (null if DATA_TYPE is not DISTINCT or not STRUCT with REFERENCE_GENERATION = USER_DEFINED) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3179 * |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3180 * @throws SQLException - if a database access error occurs |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
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 getUDTs( |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
changeset
|
3184 final String catalog, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
changeset
|
3185 final String schemaPattern, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
changeset
|
3186 final String typeNamePattern, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
changeset
|
3187 final int[] types |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3188 ) throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3189 { |
|
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
|
3190 final StringBuilder query = new StringBuilder(990); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3191 if (types != null && types.length > 0) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3192 query.append("SELECT * FROM ("); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3193 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3194 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>
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300
diff
changeset
|
3195 "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>
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300
diff
changeset
|
3196 "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
|
3197 "CASE t.\"sqlname\"" + |
|
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
|
3198 // next 4 UDTs are standard |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3199 " WHEN 'inet' THEN 'nl.cwi.monetdb.jdbc.types.INET'" + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3200 " WHEN 'json' THEN 'java.lang.String'" + |
|
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
|
3201 " WHEN 'url' THEN 'nl.cwi.monetdb.jdbc.types.URL'" + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3202 " WHEN 'uuid' THEN 'java.lang.String'" + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3203 " ELSE 'java.lang.Object' END AS \"CLASS_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>
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300
diff
changeset
|
3204 "cast(CASE WHEN t.\"sqlname\" IN ('inet', 'json', 'url', 'uuid') THEN ").append(Types.JAVA_OBJECT) |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3205 .append(" ELSE ").append(Types.STRUCT).append(" END AS int) AS \"DATA_TYPE\", " + |
|
302
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
changeset
|
3206 "t.\"systemname\" AS \"REMARKS\", " + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
3207 "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>
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300
diff
changeset
|
3208 "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>
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300
diff
changeset
|
3209 "JOIN \"sys\".\"schemas\" s ON t.\"schema_id\" = s.\"id\" " + |
|
215
71b039bc2d99
Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
213
diff
changeset
|
3210 // exclude the built-in types (I assume they always have id <= 99 and eclass < 15) |
|
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
|
3211 "WHERE t.\"id\" > 99 AND t.\"eclass\" >= 15"); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3212 |
|
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
|
3213 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
298
diff
changeset
|
3214 // non-empty catalog selection. |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3215 // 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
|
3216 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
|
3217 } 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
|
3218 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>
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300
diff
changeset
|
3219 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
|
3220 } |
|
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
|
3221 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>
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300
diff
changeset
|
3222 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
|
3223 } |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3224 } |
|
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
|
3225 |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3226 if (types != null && types.length > 0) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3227 query.append(") AS getUDTs WHERE \"DATA_TYPE\" IN ("); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3228 for (int i = 0; i < types.length; i++) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3229 if (i > 0) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3230 query.append(", "); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3231 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3232 query.append(types[i]); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3233 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3234 query.append(")"); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3235 } |
|
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
|
3236 |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3237 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
|
3238 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3239 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3240 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3241 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3242 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3243 * Retrieves the connection that produced this metadata object. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3244 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3245 * @return the connection that produced this metadata object |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3246 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3247 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3248 public Connection getConnection() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3249 return con; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3250 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3251 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3252 /* I don't find these in the spec!?! */ |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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294
diff
changeset
|
3253 public boolean rowChangesAreDetected(final int type) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3254 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3255 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3256 |
|
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
|
3257 public boolean rowChangesAreVisible(final int type) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3258 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3259 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3260 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3261 //== 1.4 methods (JDBC 3) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3262 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3263 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3264 * Retrieves whether this database supports savepoints. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3265 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3266 * @return <code>true</code> if savepoints are supported; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3267 * <code>false</code> otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3268 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3269 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3270 public boolean supportsSavepoints() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3271 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3272 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3273 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3274 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3275 * Retrieves whether this database supports named parameters to callable |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
3276 * statements. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3277 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3278 * @return <code>true</code> if named parameters are supported; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
3279 * <code>false</code> otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3280 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3281 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3282 public boolean supportsNamedParameters() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3283 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3284 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3285 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3286 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
3287 * 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>
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diff
changeset
|
3288 * returned from a <code>CallableStatement</code> object |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
3289 * simultaneously. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3290 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3291 * @return <code>true</code> if a <code>CallableStatement</code> object |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
3292 * can return multiple <code>ResultSet</code> objects |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
3293 * simultaneously; <code>false</code> otherwise |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
3294 */ |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
3295 @Override |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
3296 public boolean supportsMultipleOpenResults() { |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
3297 return true; |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
3298 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3299 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
3300 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
3301 * Retrieves whether auto-generated keys can be retrieved after |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
3302 * a statement has been executed. |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
3303 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
3304 * @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
|
3305 * after a statement has executed; <code>false</code> otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
3306 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3307 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
3308 public boolean supportsGetGeneratedKeys() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
3309 return true; |
|
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.
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parents:
diff
changeset
|
3311 |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
3312 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
3313 * Retrieves a description of the user-defined type (UDT) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3314 * hierarchies defined in a particular schema in this database. Only |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3315 * the immediate super type/ sub type relationship is modeled. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
3316 * <P> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
3317 * Only supertype information for UDTs matching the catalog, |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
3318 * schema, and type name is returned. The type name parameter |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
3319 * may be a fully-qualified name. When the UDT name supplied is a |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3320 * fully-qualified name, the catalog and schemaPattern parameters are |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
3321 * ignored. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
3322 * <P> |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
3323 * If a UDT does not have a direct super type, it is not listed here. |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
3324 * A row of the <code>ResultSet</code> object returned by this method |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
3325 * describes the designated UDT and a direct supertype. A row has the following |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
3326 * columns: |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
3327 * <OL> |
|
194
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|
3328 * <LI><B>TYPE_CAT</B> String => the UDT's catalog (may be <code>null</code>) |
|
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diff
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|
3329 * <LI><B>TYPE_SCHEM</B> String => UDT's schema (may be <code>null</code>) |
|
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|
3330 * <LI><B>TYPE_NAME</B> String => type name of the UDT |
|
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|
3331 * <LI><B>SUPERTYPE_CAT</B> String => the direct super type's catalog |
|
0
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|
3332 * (may be <code>null</code>) |
|
194
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|
3333 * <LI><B>SUPERTYPE_SCHEM</B> String => the direct super type's schema |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
3334 * (may be <code>null</code>) |
|
194
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|
3335 * <LI><B>SUPERTYPE_NAME</B> String => the direct super type's name |
|
0
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|
3336 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
3337 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3338 * <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
|
3339 * empty result set is returned. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3340 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3341 * @param catalog a catalog name; "" retrieves those without a catalog; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
3342 * <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
|
3343 * @param schemaPattern a schema name pattern; "" retrieves those without a schema |
|
55375d489024
Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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231
diff
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|
3344 * @param typeNamePattern a UDT name pattern; may be a fully-qualified name |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3345 * @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
|
3346 * about the designated UDT |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3347 * @throws SQLException if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
3348 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3349 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
3350 public ResultSet getSuperTypes( |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
3351 final String catalog, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
changeset
|
3352 final String schemaPattern, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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diff
changeset
|
3353 final String typeNamePattern |
|
0
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parents:
diff
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|
3354 ) throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
3355 { |
|
295
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diff
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|
3356 final String query = |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3357 "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
|
3358 "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
|
3359 "WHERE 1=0"; |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3360 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3361 return executeMetaDataQuery(query); |
|
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 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3365 * Retrieves a description of the table hierarchies defined in a particular |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3366 * schema in this database. |
|
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>
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diff
changeset
|
3368 * <P>Only supertable information for tables matching the catalog, schema |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
3369 * and table name are returned. The table name parameter may be a fully- |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3370 * qualified name, in which case, the catalog and schemaPattern parameters |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3371 * are ignored. If a table does not have a super table, it is not listed here. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
3372 * Supertables have to be defined in the same catalog and schema as the |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3373 * sub tables. Therefore, the type description does not need to include |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3374 * this information for the supertable. |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3375 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
3376 * <P>Each type description has the following columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
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|
3377 * <OL> |
|
194
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186
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|
3378 * <LI><B>TABLE_CAT</B> String => the type's catalog (may be <code>null</code>) |
|
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|
3379 * <LI><B>TABLE_SCHEM</B> String => type's schema (may be <code>null</code>) |
|
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|
3380 * <LI><B>TABLE_NAME</B> String => type name |
|
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changeset
|
3381 * <LI><B>SUPERTABLE_NAME</B> String => the direct super type's name |
|
0
a5a898f6886c
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diff
changeset
|
3382 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3383 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
3384 * <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:
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changeset
|
3385 * empty result set is returned. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3386 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3387 * @param catalog a catalog name; "" retrieves those without a catalog; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
3388 * <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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231
diff
changeset
|
3389 * @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
|
3390 * @param tableNamePattern a table name pattern; may be a fully-qualified name |
|
0
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3391 * @return a <code>ResultSet</code> object in which each row is a type description |
|
a5a898f6886c
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parents:
diff
changeset
|
3392 * @throws SQLException if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
3393 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3394 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3395 public ResultSet getSuperTables( |
|
295
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Add "final" keyword to method arguments and local variables where possible.
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|
3396 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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|
3397 final String schemaPattern, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
3398 final String tableNamePattern |
|
0
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parents:
diff
changeset
|
3399 ) throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
3400 { |
|
295
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Add "final" keyword to method arguments and local variables where possible.
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diff
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|
3401 final String query = |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3402 "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
|
3403 "'' 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
|
3404 "WHERE 1=0"; |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3405 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3406 return executeMetaDataQuery(query); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3407 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3408 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3409 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3410 * Retrieves a description of the given attribute of the given type |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3411 * for a user-defined type (UDT) that is available in the given schema |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3412 * and catalog. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3413 * <P> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3414 * 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
|
3415 * 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
|
3416 * 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
|
3417 * does not contain inherited attributes. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3418 * <P> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3419 * 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
|
3420 * columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3421 * <OL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3422 * <LI><B>TYPE_CAT</B> String => type catalog (may be <code>null</code>) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3423 * <LI><B>TYPE_SCHEM</B> String => type schema (may be <code>null</code>) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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parents:
186
diff
changeset
|
3424 * <LI><B>TYPE_NAME</B> String => type name |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3425 * <LI><B>ATTR_NAME</B> String => attribute name |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3426 * <LI><B>DATA_TYPE</B> int => attribute type SQL type from java.sql.Types |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3427 * <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
|
3428 * 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
|
3429 * 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
|
3430 * <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
|
3431 * 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
|
3432 * decimal types this is precision. |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3433 * <LI><B>DECIMAL_DIGITS</B> int => the number of fractional digits |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3434 * <LI><B>NUM_PREC_RADIX</B> int => Radix (typically either 10 or 2) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3435 * <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
|
3436 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3437 * <LI> attributeNoNulls - might not allow NULL values |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3438 * <LI> attributeNullable - definitely allows NULL values |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3439 * <LI> attributeNullableUnknown - nullability unknown |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3440 * </UL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3441 * <LI><B>REMARKS</B> String => comment describing column (may be <code>null</code>) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3442 * <LI><B>ATTR_DEF</B> String => default value (may be <code>null</code>) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3443 * <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
|
3444 * <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
|
3445 * <LI><B>CHAR_OCTET_LENGTH</B> int => for char types the |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3446 * maximum number of bytes in the column |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3447 * <LI><B>ORDINAL_POSITION</B> int => index of column in table |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3448 * (starting at 1) |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3449 * <LI><B>IS_NULLABLE</B> String => "NO" means column definitely |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3450 * does not allow NULL values; "YES" means the column might |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3451 * allow NULL values. An empty string means unknown. |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3452 * <LI><B>SCOPE_CATALOG</B> String => catalog of table that is the |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3453 * scope of a reference attribute (<code>null</code> if DATA_TYPE isn't REF) |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3454 * <LI><B>SCOPE_SCHEMA</B> String => schema of table that is the |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3455 * scope of a reference attribute (<code>null</code> if DATA_TYPE isn't REF) |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3456 * <LI><B>SCOPE_TABLE</B> String => table name that is the scope of a |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3457 * reference attribute (<code>null</code> if the DATA_TYPE isn't REF) |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3458 * <LI><B>SOURCE_DATA_TYPE</B> short => source type of a distinct type or user-generated |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3459 * 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
|
3460 * isn't DISTINCT or user-generated REF) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3461 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3462 * @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
|
3463 * 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
|
3464 * <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
|
3465 * the search |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3466 * @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
|
3467 * 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
|
3468 * <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
|
3469 * the search |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3470 * @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
|
3471 * 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
|
3472 * @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
|
3473 * name as it is declared in the database |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3474 * @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
|
3475 * attribute description |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3476 * @throws SQLException if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3477 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3478 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3479 public ResultSet getAttributes( |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
changeset
|
3480 final String catalog, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
changeset
|
3481 final String schemaPattern, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
changeset
|
3482 final String typeNamePattern, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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diff
changeset
|
3483 final String attributeNamePattern |
|
0
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3484 ) throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3485 { |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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diff
changeset
|
3486 final String query = |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3487 "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
|
3488 "'' 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
|
3489 "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
|
3490 "'' 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
|
3491 "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
|
3492 "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
|
3493 "'' 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
|
3494 "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
|
3495 "WHERE 1=0"; |
|
0
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 executeMetaDataQuery(query); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3498 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3499 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3500 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3501 * 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
|
3502 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3503 * @param holdability one of the following constants: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3504 * <code>ResultSet.HOLD_CURSORS_OVER_COMMIT</code> or |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3505 * <code>ResultSet.CLOSE_CURSORS_AT_COMMIT</code> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3506 * @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
|
3507 * @see Connection |
|
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 @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
|
3510 public boolean supportsResultSetHoldability(final int holdability) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3511 // 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
|
3512 // 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
|
3513 return holdability == ResultSet.HOLD_CURSORS_OVER_COMMIT; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3514 } |
|
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 * 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
|
3518 * object. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3519 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3520 * @return the default holdability; either |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3521 * <code>ResultSet.HOLD_CURSORS_OVER_COMMIT</code> or |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3522 * <code>ResultSet.CLOSE_CURSORS_AT_COMMIT</code> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3523 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3524 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3525 public int getResultSetHoldability() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3526 return ResultSet.HOLD_CURSORS_OVER_COMMIT; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3527 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3528 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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 * 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
|
3531 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3532 * @return the underlying database's major version |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3533 * @throws SQLException if a database access error occurs |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3536 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
|
3537 return con.getDatabaseMajorVersion(); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3538 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3539 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3540 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3541 * 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
|
3542 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3543 * @return underlying database's minor version |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3544 * @throws SQLException if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3545 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3546 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3547 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
|
3548 return con.getDatabaseMinorVersion(); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3549 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3550 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3551 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3552 * Retrieves the major JDBC version number for this driver. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3553 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3554 * @return JDBC version major number |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3555 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3556 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3557 public int getJDBCMajorVersion() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3558 return 4; // This class implements JDBC 4.1 (at least we try to) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3559 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3560 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3561 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3562 * 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
|
3563 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3564 * @return JDBC version minor number |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3565 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3566 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3567 public int getJDBCMinorVersion() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3568 return 1; // This class implements JDBC 4.1 (at least we try to) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3569 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3570 |
|
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 * 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
|
3573 * 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
|
3574 * @return the type of SQLSTATEs, one of: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3575 * sqlStateXOpen or |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3576 * sqlStateSQL |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3577 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3578 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3579 public int getSQLStateType() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3580 // 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
|
3581 return DatabaseMetaData.sqlStateSQL; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3582 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3583 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3584 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3585 * 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
|
3586 * to the LOB. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3587 * @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
|
3588 * <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
|
3589 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3590 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3591 public boolean locatorsUpdateCopy() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3592 // 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
|
3593 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3594 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3595 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3596 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3597 * Retrieves whether this database supports statement pooling. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3598 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3599 * @return <code>true</code> is so; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3600 <code>false</code> otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3601 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3602 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3603 public boolean supportsStatementPooling() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3604 // For the moment, I don't think so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3605 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3606 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3607 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3608 //== 1.6 methods (JDBC 4) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
3609 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3610 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3611 * 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
|
3612 * 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
|
3613 * valid. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3614 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
3615 * @return ROWID_UNSUPPORTED for now |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
3616 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3617 @Override |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3618 public RowIdLifetime getRowIdLifetime() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3619 // I believe we don't do rowids |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3620 return RowIdLifetime.ROWID_UNSUPPORTED; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
3621 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3622 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
3623 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3624 * 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
|
3625 * are ordered by schema name. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3626 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3627 * <P>The schema column is: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
3628 * <OL> |
|
194
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Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
3629 * <LI><B>TABLE_SCHEM</B> String => schema name |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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186
diff
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|
3630 * <LI><B>TABLE_CATALOG</B> String => catalog name (may be null) |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3631 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
3632 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3633 * @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
|
3634 * schema name |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3635 * @throws SQLException if a database error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
3636 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3637 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3638 public ResultSet getSchemas() throws SQLException { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3639 return getSchemas(null, null); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3640 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3641 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
3642 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3643 * 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
|
3644 * vendor functions using the stored procedure escape syntax. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3645 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3646 * @return true if so; false otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
3647 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3648 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3649 public boolean supportsStoredFunctionsUsingCallSyntax() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3650 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3651 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3652 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3653 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3654 * Retrieves whether a SQLException while autoCommit is true |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3655 * inidcates that all open ResultSets are closed, even ones that are |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3656 * 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
|
3657 * 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
|
3658 * 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
|
3659 * 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
|
3660 * or not holdable ResultSets are closed. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3661 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3662 * @return true if so; false otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3663 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3664 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3665 public boolean autoCommitFailureClosesAllResultSets() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3666 // 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
|
3667 // 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
|
3668 // failure either. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3669 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3670 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3671 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3672 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3673 * Retrieves a list of the client info properties that the driver |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3674 * supports. The result set contains the following columns |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3675 * |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3676 * 1. NAME String => The name of the client info property |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3677 * 2. MAX_LEN int => The maximum length of the value for the |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3678 * property |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3679 * 3. DEFAULT_VALUE String => The default value of the |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
3680 * property |
|
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
|
3681 * 4. DESCRIPTION String => A description of the |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3682 * property. This will typically contain information as |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3683 * to where this property is stored in the database. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3684 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
3685 * The ResultSet is sorted by the NAME column |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3686 * |
|
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
|
3687 * @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
|
3688 * @throws SQLException if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3689 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3690 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3691 public ResultSet getClientInfoProperties() throws SQLException { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3692 // for a list of connection properties see also MonetConnection.java constructor MonetConnection(Properties props) |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
294
diff
changeset
|
3693 final String query = |
|
217
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
changeset
|
3694 "SELECT 'host' AS \"NAME\", cast(1024 as int) AS \"MAX_LEN\", 'localhost' AS \"DEFAULT_VALUE\", 'DSN or IP-address of machine running MonetDB' AS \"DESCRIPTION\" UNION ALL " + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3695 "SELECT 'port', 5, '50000', 'communication port number of MonetDB server process' UNION ALL " + |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
3696 "SELECT 'user', 1024, '', 'user name to login to MonetDB server' UNION ALL " + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3697 "SELECT 'password', 128, '', 'password for user name to login to MonetDB server' UNION ALL " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3698 "SELECT 'language', 16, 'sql', 'language (sql or mal) used to parse commands in MonetDB server' UNION ALL " + |
|
46
5d4524c27902
Added missing database connection property to output of method getClientInfoProperties()
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
25
diff
changeset
|
3699 "SELECT 'database', 1024, 'demo', 'name of database. It matches the dbfarm subdirectory name' UNION ALL " + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3700 "SELECT 'debug', 5, 'false', 'boolean flag true or false' UNION ALL " + |
|
177
4959b85b981c
Extend DatabaseMetaData.getClientInfoProperties() with new property: treat_clob_as_varchar
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
168
diff
changeset
|
3701 "SELECT 'logfile', 1024, 'monet_######.log', 'name of logfile used when debug is enabled' UNION ALL " + |
|
4959b85b981c
Extend DatabaseMetaData.getClientInfoProperties() with new property: treat_clob_as_varchar
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
168
diff
changeset
|
3702 "SELECT 'hash', 128, '', 'hash methods list to use in server connection. Supported are SHA512, SHA384, SHA256, SHA1 and MD5' UNION ALL " + |
|
4959b85b981c
Extend DatabaseMetaData.getClientInfoProperties() with new property: treat_clob_as_varchar
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
168
diff
changeset
|
3703 "SELECT 'treat_blob_as_binary', 5, 'false', 'should blob columns be mapped to Types.VARBINARY instead of default Types.BLOB in ResultSets and PreparedStatements' UNION ALL " + |
|
4959b85b981c
Extend DatabaseMetaData.getClientInfoProperties() with new property: treat_clob_as_varchar
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
168
diff
changeset
|
3704 "SELECT 'treat_clob_as_varchar', 5, 'false', 'should clob columns be mapped to Types.VARCHAR instead of default Types.CLOB in ResultSets and PreparedStatements' UNION ALL " + |
|
53
6cc63d6cb224
Implemented fix as suggested in Bug 3973
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
46
diff
changeset
|
3705 "SELECT 'so_timeout', 10, '0', 'timeout (in milliseconds) of communication socket. 0 means no timeout is set' " + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3706 "ORDER BY \"NAME\""; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3707 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3708 return executeMetaDataQuery(query); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3709 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3710 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3711 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3712 * 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
|
3713 * available in the given catalog. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3714 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3715 * 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
|
3716 * 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
|
3717 * 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
|
3718 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3719 * Each function description has the the following columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3720 * |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3721 * 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
|
3722 * 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
|
3723 * 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
|
3724 * 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
|
3725 * 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
|
3726 * 5. FUNCTION_TYPE short => kind of function: |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3727 * * functionResultUnknown - Cannot determine if a return |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3728 * value or table will be returned |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3729 * * functionNoTable- Does not return a table |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3730 * * 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
|
3731 * 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
|
3732 * 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
|
3733 * 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
|
3734 * FUNCTION_NAME for example with overload functions |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3735 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3736 * 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
|
3737 * that are returned by getFunctions. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3738 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3739 * @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
|
3740 * 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
|
3741 * 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
|
3742 * used to narrow the search |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3743 * @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
|
3744 * 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
|
3745 * 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
|
3746 * not be used to narrow the search |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3747 * @param functionNamePattern a function name pattern; must match |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3748 * the function name as it is stored in the database |
|
245
55375d489024
Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
231
diff
changeset
|
3749 * 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
|
3750 * @return ResultSet - each row is a function description |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3751 * @throws SQLException if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3752 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3753 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3754 public 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
|
3755 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
|
3756 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
|
3757 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
|
3758 ) throws SQLException |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3759 { |
|
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
|
3760 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
|
3761 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
|
3762 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
|
3763 "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
|
3764 "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
|
3765 .append(useCommentsTable ? "COALESCE(cm.\"remark\", cast(f.\"func\" as varchar(9999)))" : "cast(f.\"func\" as varchar(9999))").append(" AS \"REMARKS\", " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
3766 "CASE f.\"type\"" + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3767 " WHEN 1 THEN ").append(DatabaseMetaData.functionNoTable) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3768 .append(" WHEN 2 THEN ").append(DatabaseMetaData.functionNoTable) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3769 .append(" WHEN 3 THEN ").append(DatabaseMetaData.functionNoTable) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3770 .append(" WHEN 4 THEN ").append(DatabaseMetaData.functionNoTable) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3771 .append(" WHEN 5 THEN ").append(DatabaseMetaData.functionReturnsTable) |
|
218
5cc7101c5c8d
Corrected method DatabaseMetaData.getFunctions().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
217
diff
changeset
|
3772 .append(" WHEN 6 THEN ").append(DatabaseMetaData.functionNoTable) |
|
222
75a5b5754020
Correction: Loader functions (type = 7) should return a table.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
220
diff
changeset
|
3773 .append(" WHEN 7 THEN ").append(DatabaseMetaData.functionReturnsTable) |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3774 .append(" ELSE ").append(DatabaseMetaData.functionResultUnknown).append(" END AS \"FUNCTION_TYPE\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3775 // 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
|
3776 "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
|
3777 "FROM \"sys\".\"functions\" f " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
3778 "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
|
3779 if (useCommentsTable) { |
|
302
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
3780 query.append("LEFT OUTER JOIN \"sys\".\"comments\" cm ON (f.\"id\" = cm.\"id\") "); |
|
215
71b039bc2d99
Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
213
diff
changeset
|
3781 } |
|
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
|
3782 // only functions, so exclude procedures (type = 2). Those will to be returned via getProcedures() |
|
302
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
3783 query.append("WHERE f.\"type\" <> 2"); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3784 |
|
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
|
3785 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
298
diff
changeset
|
3786 // non-empty catalog selection. |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3787 // 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
|
3788 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
|
3789 } 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
|
3790 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
|
3791 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
|
3792 } |
|
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
|
3793 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
|
3794 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
|
3795 } |
|
0
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 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3798 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
|
3799 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3800 return executeMetaDataQuery(query.toString()); |
|
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:
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|
3802 |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3803 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3804 * Retrieves a description of the given catalog's system or user |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3805 * function parameters and return type. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3806 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3807 * Only descriptions matching the schema, function and parameter name criteria are returned. |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3808 * 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
|
3809 * 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
|
3810 * The column descriptions follow in column number order. |
|
a5a898f6886c
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parents:
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|
3811 * |
|
194
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|
3812 * 1. FUNCTION_CAT String => function catalog (may be null) |
|
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186
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|
3813 * 2. FUNCTION_SCHEM String => function schema (may be null) |
|
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|
3814 * 3. FUNCTION_NAME String => function name. This is the name used to invoke the function |
|
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186
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|
3815 * 4. COLUMN_NAME String => column/parameter name |
|
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|
3816 * 5. COLUMN_TYPE Short => kind of column/parameter: |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3817 * functionColumnUnknown - nobody knows |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3818 * functionColumnIn - IN parameter |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3819 * functionColumnInOut - INOUT parameter |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3820 * functionColumnOut - OUT parameter |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3821 * functionColumnReturn - function return value |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3822 * functionColumnResult - Indicates that the parameter or column is a column in the ResultSet |
|
194
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186
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|
3823 * 6. DATA_TYPE int => SQL type from java.sql.Types |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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186
diff
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|
3824 * 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:
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parents:
186
diff
changeset
|
3825 * 8. PRECISION int => precision |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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186
diff
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|
3826 * 9. LENGTH int => length in bytes of data |
|
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Resolved javadoc many errors and warnings, such as:
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186
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|
3827 * 10. SCALE short => scale - null is returned for data types where SCALE is not applicable. |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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parents:
186
diff
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|
3828 * 11. RADIX short => radix |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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186
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|
3829 * 12. NULLABLE short => can it contain NULL. |
|
0
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parents:
diff
changeset
|
3830 * functionNoNulls - does not allow NULL values |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3831 * functionNullable - allows NULL values |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
3832 * functionNullableUnknown - nullability unknown |
|
194
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|
3833 * 13. REMARKS String => comment describing column/parameter |
|
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Resolved javadoc many errors and warnings, such as:
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186
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|
3834 * 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>
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186
diff
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|
3835 * 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
|
3836 * A value of 0 is returned if this row describes the function's return value. For result set columns, it is the ordinal position of the column in the result set starting from 1. |
|
194
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Resolved javadoc many errors and warnings, such as:
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186
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|
3837 * 16. IS_NULLABLE String => ISO rules are used to determine the nullability for a parameter or column. |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3838 * 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
|
3839 * 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
|
3840 * empty string --- if the nullability for the parameter or column is unknown |
|
194
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Resolved javadoc many errors and warnings, such as:
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186
diff
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|
3841 * 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
|
3842 * 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
|
3843 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3844 * @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
|
3845 * 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
|
3846 * 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
|
3847 * used to narrow the search |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3848 * @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
|
3849 * 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
|
3850 * 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
|
3851 * not be used to narrow the search |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3852 * @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
|
3853 * function name as it is stored in the database |
|
245
55375d489024
Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
231
diff
changeset
|
3854 * 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
|
3855 * @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
|
3856 * parameter or column name as it is stored in the database |
|
245
55375d489024
Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
231
diff
changeset
|
3857 * 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
|
3858 * @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
|
3859 * column or return type |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3860 * @throws SQLException - if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3861 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3862 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3863 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
|
3864 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
|
3865 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
|
3866 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
|
3867 final String columnNamePattern |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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294
diff
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|
3868 ) throws SQLException |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3869 { |
|
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
|
3870 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
|
3871 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
|
3872 "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
|
3873 "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
|
3874 "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
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|
3875 "cast(CASE a.\"inout\"" + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
3876 " WHEN 0 THEN (CASE a.\"number\" WHEN 0 THEN ") |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3877 .append(DatabaseMetaData.functionReturn).append(" ELSE ").append(DatabaseMetaData.functionColumnOut).append(" END)" + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3878 " WHEN 1 THEN ").append(DatabaseMetaData.functionColumnIn) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3879 .append(" ELSE ").append(DatabaseMetaData.functionColumnUnknown).append(" END AS smallint) AS \"COLUMN_TYPE\", " + |
|
302
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
3880 "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
|
3881 "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
|
3882 "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
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|
3883 " 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
|
3884 "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
|
3885 " 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
|
3886 "cast(CASE WHEN a.\"type\" IN ('tinyint','smallint','int','bigint','hugeint','oid','wrd','decimal','numeric'," + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
3887 "'time','timetz','timestamp','timestamptz','sec_interval') THEN a.\"type_scale\" ELSE NULL END AS smallint) AS \"SCALE\", " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
3888 "cast(CASE WHEN a.\"type\" IN ('tinyint','smallint','int','bigint','hugeint','oid','wrd','decimal','numeric') THEN 10" + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
3889 " WHEN a.\"type\" IN ('real','float','double') THEN 2 ELSE NULL END AS smallint) AS \"RADIX\", " + |
|
217
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
changeset
|
3890 "cast(").append(DatabaseMetaData.functionNullableUnknown).append(" AS smallint) AS \"NULLABLE\", " + |
|
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
changeset
|
3891 "cast(null as char(1)) AS \"REMARKS\", " + |
|
302
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
3892 "cast(CASE WHEN a.\"type\" IN ('char','varchar','clob') THEN a.\"type_digits\" ELSE NULL END as int) AS \"CHAR_OCTET_LENGTH\", " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
3893 "cast(a.\"number\" as int) AS \"ORDINAL_POSITION\", " + |
|
217
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
changeset
|
3894 "cast('' as varchar(3)) AS \"IS_NULLABLE\", " + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3895 // the specific name contains the function id, in order to be able to match the args to the correct overloaded function name |
|
302
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
3896 "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
|
3897 "FROM \"sys\".\"args\" a " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
3898 "JOIN \"sys\".\"functions\" f ON a.\"func_id\" = f.\"id\" " + |
|
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
3899 "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
|
3900 // only functions, so exclude procedures (type = 2). Those will to be returned via getProcedureColumns() |
|
302
1b6c514106ce
Added table aliases and use them in all meta data SQL queries to reduce query size.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
300
diff
changeset
|
3901 "WHERE f.\"type\" <> 2"); |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3902 |
|
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
|
3903 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
298
diff
changeset
|
3904 // non-empty catalog selection. |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3905 // 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
|
3906 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
|
3907 } 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
|
3908 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
|
3909 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
|
3910 } |
|
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
|
3911 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
|
3912 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
|
3913 } |
|
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
|
3914 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
|
3915 query.append(" AND a.\"name\" ").append(composeMatchPart(columnNamePattern)); |
|
216
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
215
diff
changeset
|
3916 } |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3917 } |
|
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
|
3918 |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3919 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
|
3920 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3921 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3922 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3923 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3924 //== 1.7 methods (JDBC 4.1) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3925 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3926 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3927 * 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
|
3928 * 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
|
3929 * 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
|
3930 * 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
|
3931 * 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
|
3932 * necessarily be able to be modified. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3933 * 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
|
3934 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3935 * 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
|
3936 * 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
|
3937 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3938 * Each column description has the following columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3939 * |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3940 * 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
|
3941 * 2. TABLE_SCHEM String => table schema (may be null) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3942 * 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
|
3943 * 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
changeset
|
3944 * 5. DATA_TYPE int => SQL type from java.sql.Types |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3945 * 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
changeset
|
3946 * 7. DECIMAL_DIGITS int => the number of fractional digits. Null is returned for data types where DECIMAL_DIGITS is not applicable. |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3947 * 8. NUM_PREC_RADIX int => Radix (typically either 10 or 2) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3948 * 9. COLUMN_USAGE String => The allowed usage for the column. The value returned will correspond to the enum name returned by PseudoColumnUsage.name() |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3949 * 10. REMARKS String => comment describing column (may be null) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3950 * 11. CHAR_OCTET_LENGTH int => for char types the maximum number of bytes in the column |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3951 * 12. IS_NULLABLE String => ISO rules are used to determine the nullability for a column. |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3952 * YES --- if the column can include NULLs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3953 * NO --- if the column cannot include NULLs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3954 * empty string --- if the nullability for the column is unknown |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3955 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3956 * @param catalog a catalog name |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3957 * @param schemaPattern a schema name pattern |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3958 * @param tableNamePattern a table name pattern |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3959 * @param columnNamePattern a column name pattern |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3960 * @return ResultSet where each row is a column description |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3961 * @throws SQLException if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3962 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3963 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3964 public ResultSet getPseudoColumns( |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
294
diff
changeset
|
3965 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
|
3966 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
|
3967 final String tableNamePattern, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
294
diff
changeset
|
3968 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
|
3969 ) throws SQLException |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3970 { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3971 // MonetDB currently does not support pseudo or hidden columns, so return an empty ResultSet |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
294
diff
changeset
|
3972 final String query = |
|
217
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
changeset
|
3973 "SELECT cast(null as char(1)) AS \"TABLE_CAT\", " + |
|
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
changeset
|
3974 "'' AS \"TABLE_SCHEM\", " + |
|
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
changeset
|
3975 "'' AS \"TABLE_NAME\", " + |
|
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
changeset
|
3976 "'' AS \"COLUMN_NAME\", " + |
|
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
changeset
|
3977 "cast(0 as int) AS \"DATA_TYPE\", " + |
|
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
changeset
|
3978 "cast(0 as int) AS \"COLUMN_SIZE\", " + |
|
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
changeset
|
3979 "cast(0 as int) AS \"DECIMAL_DIGITS\", " + |
|
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
changeset
|
3980 "cast(0 as int) AS \"NUM_PREC_RADIX\", " + |
|
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
changeset
|
3981 "'' AS \"COLUMN_USAGE\", " + |
|
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
changeset
|
3982 "'' AS \"REMARKS\", " + |
|
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
changeset
|
3983 "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
|
3984 "'' AS \"IS_NULLABLE\" " + |
|
352
f62137dd6050
Remove spaces from static SQL predicates: 1 = 0 and 1 = 1.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
350
diff
changeset
|
3985 "WHERE 1=0"; |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3986 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3987 return executeMetaDataQuery(query); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3988 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3989 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3990 /** |
|
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3991 * Retrieves whether a generated key will always be returned if the |
|
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|
3992 * column name(s) or index(es) specified for the auto generated key |
|
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|
3993 * column(s) are valid and the statement succeeds. The key that is |
|
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|
3994 * returned may or may not be based on the column(s) for the auto |
|
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|
3995 * generated key. |
|
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parents:
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|
3996 * |
|
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|
3997 * @return true if so, false otherwise |
|
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3998 * @throws SQLException - if a database access error occurs |
|
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|
3999 */ |
|
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|
4000 @Override |
|
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|
4001 public boolean generatedKeyAlwaysReturned() throws SQLException { |
|
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4002 return true; |
|
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parents:
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|
4003 } |
|
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4004 |
|
264
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4005 //== 1.8 methods (JDBC 4.2) |
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4006 |
|
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4007 /** |
|
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4008 * Retrieves the maximum number of bytes this database allows for the logical size for a LOB. |
|
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4009 * The default implementation will return 0 |
|
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4010 * @return the maximum number of bytes |
|
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4011 */ |
|
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4012 @Override |
|
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4013 public long getMaxLogicalLobSize() { |
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4014 return 0; |
|
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4015 } |
|
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4016 |
|
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4017 /** |
|
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4018 * Retrieves whether this database supports REF CURSOR. |
|
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4019 * The default implementation will return false |
|
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4020 * @return true if so, false otherwise |
|
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|
4021 */ |
|
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4022 @Override |
|
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4023 public boolean supportsRefCursors() { |
|
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4024 return false; |
|
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4025 } |
|
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|
4026 |
|
0
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|
4027 //== end methods interface DatabaseMetaData |
|
303
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4028 |
|
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4029 |
|
332
e8962bdaa206
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|
4030 //== internal helper methods which do not belong to the JDBC interface |
|
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|
4031 |
|
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|
4032 /** |
|
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Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
4033 * Internal utility method to create a Statement object, execute a query and return the ResulSet object which allows scrolling. |
|
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
4034 * As the Statement object is created internally (the caller does not see it and thus can not close it), |
|
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|
4035 * we set it to close (and free server resources) when the ResultSet object is closed by the caller. |
|
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|
4036 */ |
|
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Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
4037 private ResultSet executeMetaDataQuery(final String query) throws SQLException { |
|
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|
4038 final Statement stmt = con.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_READ_ONLY); |
|
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|
4039 ResultSet rs = null; |
|
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|
4040 if (stmt != null) { |
|
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
4041 // for debug: System.out.println("SQL (len " + query.length() + "): " + query); |
|
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|
4042 rs = stmt.executeQuery(query); |
|
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|
4043 if (rs != null) { |
|
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
4044 /* we want the statement object to be closed also when the resultset is closed by the caller */ |
|
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|
4045 stmt.closeOnCompletion(); |
|
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diff
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|
4046 } else { |
|
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
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|
4047 /* failed to produce a resultset, so release resources for created statement object now */ |
|
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|
4048 stmt.close(); |
|
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|
4049 } |
|
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|
4050 } |
|
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|
4051 return rs; |
|
e8962bdaa206
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
4052 } |
|
303
a91168efdf27
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|
4053 |
|
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diff
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|
4054 /** |
|
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302
diff
changeset
|
4055 * Returns a SQL match part string where depending on the input value we |
|
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302
diff
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|
4056 * compose an exact match (use =) or match with wildcards (use LIKE) or IS NULL |
|
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302
diff
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|
4057 * |
|
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302
diff
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|
4058 * @param in the string to match |
|
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302
diff
changeset
|
4059 * @return the SQL match part string |
|
a91168efdf27
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302
diff
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|
4060 */ |
|
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302
diff
changeset
|
4061 private static final String composeMatchPart(final String in) { |
|
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302
diff
changeset
|
4062 if (in == null) |
|
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302
diff
changeset
|
4063 return "IS NULL"; |
|
a91168efdf27
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302
diff
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|
4064 |
|
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302
diff
changeset
|
4065 String cmp = "= '"; |
|
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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302
diff
changeset
|
4066 // check if SQL wildcards are used in the input, if so use LIKE |
|
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302
diff
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|
4067 if (in.contains("%") || in.contains("_")) |
|
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302
diff
changeset
|
4068 cmp = "LIKE '"; |
|
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302
diff
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|
4069 |
|
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302
diff
changeset
|
4070 String val = in; |
|
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302
diff
changeset
|
4071 if (in.contains("\\") || in.contains("'")) |
|
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302
diff
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|
4072 // all slashes and single quotes in input are escaped with a slash. |
|
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diff
changeset
|
4073 val = in.replaceAll("\\\\", "\\\\\\\\").replaceAll("'", "\\\\'"); |
|
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diff
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|
4074 |
|
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302
diff
changeset
|
4075 return cmp + val + "'"; |
|
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302
diff
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|
4076 } |
|
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302
diff
changeset
|
4077 |
|
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302
diff
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|
4078 /** |
|
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302
diff
changeset
|
4079 * Returns the given string between two double quotes for usage as |
|
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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302
diff
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|
4080 * exact column or table name in SQL queries. |
|
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302
diff
changeset
|
4081 * |
|
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302
diff
changeset
|
4082 * @param in the string to quote |
|
a91168efdf27
Small code and doc improvements. Moved helper functions to the bottom.
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302
diff
changeset
|
4083 * @return the quoted string |
|
a91168efdf27
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302
diff
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|
4084 */ |
|
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302
diff
changeset
|
4085 // @SuppressWarnings("unused") |
|
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302
diff
changeset
|
4086 // private static final String dq(String in) { |
|
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302
diff
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|
4087 // return "\"" + in.replaceAll("\\\\", "\\\\\\\\").replaceAll("\"", "\\\\\"") + "\""; |
|
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302
diff
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|
4088 // } |
|
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302
diff
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|
4089 |
|
a91168efdf27
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302
diff
changeset
|
4090 //== end helper methods |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4091 } |