Mercurial > hg > monetdb-java
annotate src/main/java/nl/cwi/monetdb/jdbc/MonetDatabaseMetaData.java @ 268:ee4c826e3933
Extended method getNumericFunctions() by also returning functions: degrees, fuse, ms_round, ms_str, ms_trunc and radians.
Extended method getStringFunctions() by also returning function: position.
Updated ChangeLog.
author | Martin van Dinther <martin.van.dinther@monetdbsolutions.com> |
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date | Thu, 07 Mar 2019 18:56:55 +0100 (2019-03-07) |
parents | 43ea6c50483e |
children | 7d041f5c3fea |
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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Update Copyright year to 2019
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6 * Copyright 1997 - July 2008 CWI, August 2008 - 2019 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 import java.util.ArrayList; |
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21 |
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22 /** |
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23 * A DatabaseMetaData object suitable for the MonetDB database. |
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24 * |
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25 * @author Fabian Groffen, Martin van Dinther |
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26 * @version 0.7 |
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27 */ |
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28 public class MonetDatabaseMetaData extends MonetWrapper implements DatabaseMetaData { |
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29 private Connection con; |
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30 |
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31 // Internal cache for 3 server environment values |
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32 private String env_current_user; |
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33 private String env_monet_version; |
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34 private String env_max_clients; |
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35 |
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36 public MonetDatabaseMetaData(Connection parent) { |
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37 con = parent; |
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38 } |
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39 |
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40 /** |
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41 * Utility method to fetch some server environment values combined in one query for efficiency. |
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42 * We currently fetch the env values of: current_user, monet_version and max_clients. |
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43 * We cache them locally such that we do not need to query the server again and again. |
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44 */ |
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45 private synchronized void getEnvValues() throws SQLException { |
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46 Statement st = null; |
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47 ResultSet rs = null; |
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48 try { |
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49 st = con.createStatement(); |
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50 rs = st.executeQuery( |
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51 "SELECT \"name\", \"value\" FROM \"sys\".\"env\"()" + |
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52 " WHERE \"name\" IN ('monet_version', 'max_clients')" + |
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53 " UNION SELECT 'current_user' as \"name\", current_user as \"value\""); |
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54 if (rs != null) { |
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55 while (rs.next()) { |
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56 String prop = rs.getString("name"); |
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57 String value = rs.getString("value"); |
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58 if ("current_user".equals(prop)) { |
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59 env_current_user = value; |
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60 } else |
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61 if ("monet_version".equals(prop)) { |
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62 env_monet_version = value; |
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63 } else |
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64 if ("max_clients".equals(prop)) { |
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65 env_max_clients = value; |
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66 } |
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67 } |
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68 } |
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69 /* do not catch SQLException here, as we want to know it when it fails */ |
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70 } finally { |
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71 if (rs != null) { |
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72 try { |
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73 rs.close(); |
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74 } catch (SQLException e) { /* ignore */ } |
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75 } |
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76 if (st != null) { |
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77 try { |
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78 st.close(); |
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79 } catch (SQLException e) { /* ignore */ } |
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80 } |
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81 } |
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82 // for debug: System.out.println("Read: env_current_user: " + env_current_user + " env_monet_version: " + env_monet_version + " env_max_clients: " + env_max_clients); |
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83 } |
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84 |
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85 |
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86 /** |
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87 * Internal utility method to create a Statement object, execute a query and return the ResulSet object. |
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88 * As the Statement object is created internally (the caller does not see it and thus can not close it), |
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89 * we set it to close (and free server resources) when the ResultSet object is closed by the caller. |
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90 */ |
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91 private ResultSet executeMetaDataQuery(String query) throws SQLException { |
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92 Statement stmt = null; |
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93 ResultSet rs = null; |
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94 stmt = con.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_READ_ONLY); |
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95 if (stmt != null) { |
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96 // for debug: System.out.println("SQL (len " + query.length() + "): " + query); |
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97 rs = stmt.executeQuery(query); |
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98 if (rs != null) { |
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99 /* we want the statement object to be closed also when the resultset is closed by the caller */ |
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100 stmt.closeOnCompletion(); |
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101 } else { |
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102 /* failed to produce a resultset, so release resources for created statement object now */ |
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103 stmt.close(); |
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104 } |
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105 } |
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106 return rs; |
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107 } |
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108 |
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109 /** |
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110 * Retrieves whether the current user can call all the procedures |
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111 * returned by the method getProcedures. |
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112 * |
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113 * @return false because we currently return all procedures from sys.functions |
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114 * and do not filter on EXECUTE privilege or procedure ownership. |
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115 */ |
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116 @Override |
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117 public boolean allProceduresAreCallable() { |
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118 return false; |
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119 } |
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120 |
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121 /** |
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122 * Retrieves whether the current user can use all the tables |
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123 * returned by the method getTables in a SELECT statement. |
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124 * |
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125 * @return false because we currently return all tables from sys.tables |
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126 * and do not filter on SELECT privilege or table ownership. |
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127 */ |
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128 @Override |
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129 public boolean allTablesAreSelectable() { |
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130 return false; |
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131 } |
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132 |
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133 /** |
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134 * What is the URL for this database? |
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135 * |
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136 * @return a reconstructed connection string |
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137 * @throws SQLException if a database access error occurs |
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138 */ |
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139 @Override |
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140 public String getURL() throws SQLException { |
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141 return ((MonetConnection)con).getJDBCURL(); |
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142 } |
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143 |
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144 /** |
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145 * What is our user name as known to the database? |
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146 * |
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147 * @return sql user |
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148 * @throws SQLException if a database access error occurs |
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149 */ |
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150 @Override |
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151 public String getUserName() throws SQLException { |
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152 if (env_current_user == null) |
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153 getEnvValues(); |
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154 return env_current_user; |
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155 } |
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156 |
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157 /** |
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158 * Is the database in read-only mode? |
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159 * |
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160 * @return always false for now |
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161 */ |
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162 @Override |
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163 public boolean isReadOnly() { |
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164 return false; |
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165 } |
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166 |
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167 /** |
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168 * Retrieves whether NULL values are sorted high. Sorted high means |
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169 * that NULL values sort higher than any other value in a domain. |
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170 * In an ascending order, if this method returns true, NULL values will appear at the end. |
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171 * By contrast, the method nullsAreSortedAtEnd indicates whether NULL values are sorted at the end regardless of sort order. |
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172 * |
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173 * @return false because MonetDB shows NULL values at the beginning upon ORDER BY .. ASC |
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174 */ |
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175 @Override |
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176 public boolean nullsAreSortedHigh() { |
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177 return false; |
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178 } |
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179 |
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180 /** |
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181 * Retrieves whether NULL values are sorted low. Sorted low means |
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182 * that NULL values sort lower than any other value in a domain. |
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183 * In an ascending order, if this method returns true, NULL values will appear at the beginning. |
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184 * By contrast, the method nullsAreSortedAtStart indicates whether NULL values are sorted at the beginning regardless of sort order. |
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185 * |
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186 * @return true because MonetDB shows NULL values at the beginning upon ORDER BY .. ASC |
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187 * |
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188 * @return negative of nullsAreSortedHigh() |
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189 * @see #nullsAreSortedHigh() |
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190 */ |
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191 @Override |
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192 public boolean nullsAreSortedLow() { |
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193 return true; |
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194 } |
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195 |
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196 /** |
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197 * Are NULL values sorted at the start regardless of sort order? |
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198 * |
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199 * @return false, since MonetDB doesn't do this |
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200 */ |
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201 @Override |
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202 public boolean nullsAreSortedAtStart() { |
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203 return false; |
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204 } |
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205 |
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206 /** |
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207 * Are NULL values sorted at the end regardless of sort order? |
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208 * |
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209 * @return false, since MonetDB doesn't do this |
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210 */ |
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211 @Override |
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212 public boolean nullsAreSortedAtEnd() { |
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213 return false; |
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214 } |
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215 |
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216 /** |
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217 * What is the name of this database product - this should be MonetDB |
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218 * of course, so we return that explicitly. |
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219 * |
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220 * @return the database product name |
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221 */ |
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222 @Override |
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223 public String getDatabaseProductName() { |
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224 return "MonetDB"; |
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225 } |
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226 |
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227 /** |
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228 * What is the version of this database product. |
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229 * |
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230 * @return the mserver5 version number string |
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231 * @throws SQLException if a database access error occurs |
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232 */ |
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233 @Override |
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234 public String getDatabaseProductVersion() throws SQLException { |
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235 if (env_monet_version == null) |
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236 getEnvValues(); |
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237 // always return a valid String to prevent NPE in getTables() and getTableTypes() |
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238 return (env_monet_version != null) ? env_monet_version : ""; |
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239 } |
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240 |
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241 /** |
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242 * What is the name of this JDBC driver? |
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243 * |
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244 * @return the JDBC driver name |
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245 */ |
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246 @Override |
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247 public String getDriverName() { |
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248 return "MonetDB Native Driver"; |
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249 } |
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250 |
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251 /** |
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252 * Retrieves the version number of this JDBC driver as a String. |
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253 * |
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254 * @return the JDBC driver version string |
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255 */ |
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256 @Override |
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257 public String getDriverVersion() { |
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258 return MonetDriver.getDriverVersion(); |
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259 } |
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260 |
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261 /** |
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262 * What is this JDBC driver's major version number? |
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263 * |
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264 * @return the JDBC driver major version number |
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265 */ |
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266 @Override |
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267 public int getDriverMajorVersion() { |
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268 return MonetDriver.getDriverMajorVersion(); |
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269 } |
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270 |
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271 /** |
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272 * What is this JDBC driver's minor version number? |
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273 * |
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274 * @return the JDBC driver minor version number |
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275 */ |
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276 @Override |
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277 public int getDriverMinorVersion() { |
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278 return MonetDriver.getDriverMinorVersion(); |
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279 } |
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280 |
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281 /** |
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282 * Does the database store tables in a local file? |
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283 * No, it stores them in files on the server. |
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284 * |
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285 * @return false because that's what MonetDB is for |
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286 */ |
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287 @Override |
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288 public boolean usesLocalFiles() { |
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289 return false; |
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290 } |
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291 |
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292 /** |
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293 * Does the database use a local file for each table? |
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294 * |
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295 * @return false for it doesn't |
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296 */ |
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297 @Override |
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298 public boolean usesLocalFilePerTable() { |
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299 return false; |
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300 } |
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301 |
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302 /** |
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303 * Does the database treat mixed case unquoted SQL identifiers |
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304 * as case sensitive and as a result store them in mixed case? |
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305 * A JDBC Compliant <sup>TM</sup> driver always returns false. |
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306 * |
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307 * @return false |
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308 */ |
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309 @Override |
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310 public boolean supportsMixedCaseIdentifiers() { |
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311 return false; |
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312 } |
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313 |
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314 /** |
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315 * Does the database treat mixed case unquoted SQL identifiers as |
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316 * case insensitive and store them in upper case? |
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317 * |
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318 * @return true if so |
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319 */ |
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320 @Override |
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321 public boolean storesUpperCaseIdentifiers() { |
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322 return false; |
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323 } |
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324 |
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325 /** |
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326 * Does the database treat mixed case unquoted SQL identifiers as |
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327 * case insensitive and store them in lower case? |
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328 * |
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329 * @return true if so |
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330 */ |
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331 @Override |
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332 public boolean storesLowerCaseIdentifiers() { |
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333 return true; |
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334 } |
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335 |
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336 /** |
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337 * Does the database treat mixed case unquoted SQL identifiers as |
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338 * case insensitive and store them in mixed case? |
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339 * |
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340 * @return true if so |
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341 */ |
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342 @Override |
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343 public boolean storesMixedCaseIdentifiers() { |
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344 return false; |
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345 } |
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346 |
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347 /** |
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348 * Does the database treat mixed case quoted SQL identifiers as |
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349 * case sensitive and as a result store them in mixed case? |
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350 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
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351 * |
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352 * @return true if so |
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353 */ |
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354 @Override |
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355 public boolean supportsMixedCaseQuotedIdentifiers() { |
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356 return true; |
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357 } |
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358 |
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359 /** |
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360 * Does the database treat mixed case quoted SQL identifiers as |
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361 * case insensitive and store them in upper case? |
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362 * |
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363 * @return true if so |
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364 */ |
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365 @Override |
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366 public boolean storesUpperCaseQuotedIdentifiers() { |
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367 return false; |
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368 } |
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369 |
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370 /** |
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371 * Does the database treat mixed case quoted SQL identifiers as case |
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372 * insensitive and store them in lower case? |
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373 * |
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374 * @return true if so |
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375 */ |
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376 @Override |
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377 public boolean storesLowerCaseQuotedIdentifiers() { |
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378 return false; |
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379 } |
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380 |
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381 /** |
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382 * Does the database treat mixed case quoted SQL identifiers as case |
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383 * insensitive and store them in mixed case? |
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384 * |
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385 * @return true if so |
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386 */ |
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387 @Override |
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388 public boolean storesMixedCaseQuotedIdentifiers() { |
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389 return false; |
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390 } |
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391 |
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392 /** |
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393 * What is the string used to quote SQL identifiers? |
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394 * This returns a space if identifier quoting isn't supported. |
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395 * A JDBC Compliant <sup>TM</sup> driver |
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396 * will always use a double quote character. |
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397 * |
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398 * @return the quoting string |
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399 */ |
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400 @Override |
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401 public String getIdentifierQuoteString() { |
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402 return "\""; |
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403 } |
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404 |
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405 /** |
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406 * Get a comma separated list of all a database's SQL keywords that |
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407 * are NOT also SQL:2003 keywords. |
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408 * |
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409 * @return a comma separated list of MonetDB keywords |
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410 */ |
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411 @Override |
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412 public String getSQLKeywords() { |
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413 String keywords = getConcatenatedStringFromQuery("SELECT \"keyword\" FROM \"sys\".\"keywords\" ORDER BY 1"); |
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414 |
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415 /* An old MonetDB server (pre Jul2015 release) will not have a table sys.keywords and return an empty String */ |
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416 return (keywords.isEmpty()) ? |
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417 /* for old servers return static list (as returned in clients/odbc/driver/SQLGetInfo.c case SQL_KEYWORDS:) */ |
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418 "ADMIN,AFTER,AGGREGATE,ALWAYS,ASYMMETRIC,ATOMIC," + |
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419 "AUTO_INCREMENT,BEFORE,BIGINT,BIGSERIAL,BINARY,BLOB," + |
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420 "CALL,CHAIN,CLOB,COMMITTED,COPY,CORR,CUME_DIST," + |
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421 "CURRENT_ROLE,CYCLE,DATABASE,DELIMITERS,DENSE_RANK," + |
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422 "DO,EACH,ELSEIF,ENCRYPTED,EVERY,EXCLUDE,FOLLOWING," + |
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423 "FUNCTION,GENERATED,IF,ILIKE,INCREMENT,LAG,LEAD," + |
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424 "LIMIT,LOCALTIME,LOCALTIMESTAMP,LOCKED,MAXVALUE," + |
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425 "MEDIAN,MEDIUMINT,MERGE,MINVALUE,NEW,NOCYCLE," + |
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426 "NOMAXVALUE,NOMINVALUE,NOW,OFFSET,OLD,OTHERS,OVER," + |
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427 "PARTITION,PERCENT_RANK,PLAN,PRECEDING,PROD,QUANTILE," + |
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428 "RANGE,RANK,RECORDS,REFERENCING,REMOTE,RENAME," + |
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429 "REPEATABLE,REPLICA,RESTART,RETURN,RETURNS," + |
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430 "ROW_NUMBER,ROWS,SAMPLE,SAVEPOINT,SCHEMA,SEQUENCE," + |
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431 "SERIAL,SERIALIZABLE,SIMPLE,START,STATEMENT,STDIN," + |
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432 "STDOUT,STREAM,STRING,SYMMETRIC,TIES,TINYINT,TRIGGER," + |
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433 "UNBOUNDED,UNCOMMITTED,UNENCRYPTED,WHILE,XMLAGG," + |
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434 "XMLATTRIBUTES,XMLCOMMENT,XMLCONCAT,XMLDOCUMENT," + |
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435 "XMLELEMENT,XMLFOREST,XMLNAMESPACES,XMLPARSE,XMLPI," + |
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436 "XMLQUERY,XMLSCHEMA,XMLTEXT,XMLVALIDATE" |
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437 : keywords; |
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438 } |
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439 |
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440 /** |
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441 * Internal utility method getConcatenatedStringFromQuery(String query) |
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442 * args: query: SQL SELECT query. Only the output of the first column is concatenated. |
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443 * @return a String of query result values concatenated into one string, and values separated by comma's |
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444 */ |
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445 private String getConcatenatedStringFromQuery(String query) { |
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446 StringBuilder sb = new StringBuilder(1024); |
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447 Statement st = null; |
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448 ResultSet rs = null; |
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449 try { |
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450 st = con.createStatement(); |
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451 rs = st.executeQuery(query); |
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452 // Fetch the first column output and concatenate the values into a StringBuilder separated by comma's |
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453 boolean isfirst = true; |
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454 while (rs.next()) { |
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455 String value = rs.getString(1); |
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456 if (value != null) { |
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457 if (isfirst) { |
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458 isfirst = false; |
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459 } else { |
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460 sb.append(','); |
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461 } |
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462 sb.append(value); |
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463 } |
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464 } |
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465 } catch (SQLException e) { |
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466 /* ignore */ |
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467 } finally { |
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468 if (rs != null) { |
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469 try { |
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470 rs.close(); |
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471 } catch (SQLException e) { /* ignore */ } |
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472 } |
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473 if (st != null) { |
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474 try { |
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475 st.close(); |
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476 } catch (SQLException e) { /* ignore */ } |
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477 } |
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478 } |
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479 // for debug: System.out.println("SQL query: " + query + "\nResult string: " + sb.toString()); |
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480 return sb.toString(); |
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481 } |
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482 |
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483 // SQL query parts shared by four get<Type>Functions() below |
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484 private static final String FunctionsSelect = "SELECT DISTINCT \"name\" FROM \"sys\".\"functions\" WHERE "; |
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485 private static final String FunctionsWhere = "(\"id\" IN (SELECT \"func_id\" FROM \"sys\".\"args\" WHERE \"number\" = 1 AND \"name\" = 'arg_1' AND \"type\" IN "; |
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486 // 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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487 private static final String OrFunctionsMaxMin = " OR \"name\" IN ('sql_max','sql_min','least','greatest')"; |
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488 private static final String FunctionsOrderBy1 = " ORDER BY 1"; |
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489 |
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490 @Override |
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491 public String getNumericFunctions() { |
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492 String match = |
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493 "('tinyint', 'smallint', 'int', 'bigint', 'hugeint', 'decimal', 'double', 'real') )" + |
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494 " AND \"type\" = 1" + // only scalar functions |
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495 // exclude functions which belong to the 'str' module |
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496 " AND \"mod\" <> 'str')" + // to filter out string functions: 'code' and 'space' |
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497 " OR \"name\" IN ('degrees','fuse','ms_round','ms_str','ms_trunc','radians')"; |
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498 return getConcatenatedStringFromQuery(FunctionsSelect + FunctionsWhere + match + OrFunctionsMaxMin + FunctionsOrderBy1); |
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499 } |
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500 |
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501 @Override |
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502 public String getStringFunctions() { |
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503 String match = |
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504 "('char', 'varchar', 'clob', 'json') )" + |
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505 // include functions which belong to the 'str' module |
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506 " OR \"mod\" = 'str')"; |
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507 String unionPart = |
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508 // add system functions which are not listed in sys.functions but implemented in the SQL parser (see sql/server/sql_parser.y) |
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509 " UNION SELECT 'position'"; |
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510 return getConcatenatedStringFromQuery(FunctionsSelect + FunctionsWhere + match + OrFunctionsMaxMin + unionPart + FunctionsOrderBy1); |
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511 } |
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512 |
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513 @Override |
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514 public String getSystemFunctions() { |
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515 String wherePart = |
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516 "\"id\" NOT IN (SELECT \"func_id\" FROM \"sys\".\"args\" WHERE \"number\" = 1)" + // without any args |
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517 " AND \"id\" IN (SELECT \"function_id\" FROM \"sys\".\"systemfunctions\")" + // only functions marked as system |
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518 " AND \"type\" = 1" + // only scalar functions |
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519 // exclude functions which belong to the 'mtime' module |
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520 " AND \"mod\" <> 'mtime'" + |
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521 " AND \"name\" NOT IN ('localtime','localtimestamp')" + |
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522 // add system functions which are not listed in sys.functions but implemented in the SQL parser (see sql/server/sql_parser.y) |
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523 " UNION SELECT 'cast'" + |
263
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524 " UNION SELECT 'coalesce'" + |
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525 " UNION SELECT 'convert'" + |
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526 " UNION SELECT 'ifthenelse'" + |
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527 " UNION SELECT 'isnull'" + |
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528 " UNION SELECT 'nullif'"; |
19
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529 return getConcatenatedStringFromQuery(FunctionsSelect + wherePart + FunctionsOrderBy1); |
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530 } |
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531 |
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532 @Override |
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533 public String getTimeDateFunctions() { |
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534 String wherePart = |
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535 "\"mod\" IN ('mtime','timestamp') OR \"name\" IN ('localtime','localtimestamp')"; |
263
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536 String unionPart = |
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537 // 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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538 " UNION SELECT 'extract'" + |
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539 " UNION SELECT 'now'"; |
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540 return getConcatenatedStringFromQuery(FunctionsSelect + wherePart + OrFunctionsMaxMin + unionPart + FunctionsOrderBy1); |
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541 } |
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542 |
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543 /** |
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544 * This is the string that can be used to escape '_' and '%' in |
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545 * a search string pattern style catalog search parameters |
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546 * |
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547 * @return the string used to escape wildcard characters |
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548 */ |
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549 @Override |
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550 public String getSearchStringEscape() { |
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551 return "\\"; |
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552 } |
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553 |
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554 /** |
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555 * Get all the "extra" characters that can be used in unquoted |
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556 * identifier names (those beyond a-zA-Z0-9 and _) |
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557 * |
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558 * @return a string containing the extra characters |
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559 */ |
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560 @Override |
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561 public String getExtraNameCharacters() { |
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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562 // MonetDB has no extra characters. Verified it for chars: !@#$%^&*()~{}[]? |
0
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563 return ""; |
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564 } |
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565 |
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566 /** |
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567 * Is "ALTER TABLE" with an add column supported? |
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568 * |
a5a898f6886c
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569 * @return true if so |
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570 */ |
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571 @Override |
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572 public boolean supportsAlterTableWithAddColumn() { |
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573 return true; |
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574 } |
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575 |
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576 /** |
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577 * Is "ALTER TABLE" with a drop column supported? |
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578 * |
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579 * @return true if so |
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580 */ |
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581 @Override |
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582 public boolean supportsAlterTableWithDropColumn() { |
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583 return true; |
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584 } |
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585 |
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586 /** |
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587 * Is column aliasing supported? |
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588 * |
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589 * <p>If so, the SQL AS clause can be used to provide names for |
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|
590 * computed columns or to provide alias names for columns as required. |
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591 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
0
a5a898f6886c
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592 * |
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593 * <p>e.g. |
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594 * |
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|
595 * <br><pre> |
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596 * select count(C) as C_COUNT from T group by C; |
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597 * |
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598 * </pre><br> |
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599 * should return a column named as C_COUNT instead of count(C) |
a5a898f6886c
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600 * |
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601 * @return true if so |
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602 */ |
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|
603 @Override |
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604 public boolean supportsColumnAliasing() { |
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605 return true; |
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|
606 } |
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607 |
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608 /** |
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609 * Are concatenations between NULL and non-NULL values NULL? |
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610 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
0
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611 * |
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612 * @return true if so |
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613 */ |
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614 @Override |
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615 public boolean nullPlusNonNullIsNull() { |
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616 return true; |
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617 } |
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618 |
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619 /** |
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620 * Retrieves whether this database supports the JDBC scalar function |
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621 * CONVERT for the conversion of one JDBC type to another. |
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622 * The JDBC types are the generic SQL data types defined in java.sql.Types. |
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623 * |
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624 * @return true if so; false otherwise |
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625 */ |
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|
626 @Override |
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627 public boolean supportsConvert() { |
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628 return true; |
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629 } |
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630 |
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631 /** |
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632 * Retrieves whether this database supports the JDBC scalar function |
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633 * CONVERT for conversions between the JDBC types fromType and toType. |
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634 * The JDBC types are the generic SQL data types defined in java.sql.Types. |
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635 * |
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|
636 * @return true if so; false otherwise |
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|
637 */ |
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|
638 @Override |
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|
639 public boolean supportsConvert(int fromType, int toType) { |
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640 switch (fromType) { |
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|
641 case Types.BOOLEAN: |
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parents:
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|
642 switch (toType) { |
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|
643 case Types.BOOLEAN: |
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644 /* case Types.BIT: is not supported by MonetDB and will fail */ |
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645 case Types.TINYINT: |
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646 case Types.SMALLINT: |
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647 case Types.INTEGER: |
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648 case Types.BIGINT: |
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649 /* conversion to FLOAT, REAL, DOUBLE, NUMERIC and DECIMAL is not supported by MonetDB */ |
a5a898f6886c
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|
650 case Types.CHAR: |
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|
651 case Types.VARCHAR: |
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652 /* case Types.LONGVARCHAR: is not supported by MonetDB and will fail */ |
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653 case Types.CLOB: |
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|
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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parents:
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|
658 /* case Types.BIT: is not supported by MonetDB and will fail */ |
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|
659 /* case Types.BINARY: is not supported by MonetDB and will fail */ |
a5a898f6886c
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|
660 /* case Types.VARBINARY: is not supported by MonetDB and will fail */ |
a5a898f6886c
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|
661 /* case Types.LONGVARBINARY: is not supported by MonetDB and will fail */ |
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|
662 case Types.BLOB: |
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|
663 switch (toType) { |
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|
664 /* case Types.BINARY: is not supported by MonetDB and will fail */ |
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|
665 /* case Types.VARBINARY: is not supported by MonetDB and will fail */ |
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|
666 /* case Types.LONGVARBINARY: is not supported by MonetDB and will fail */ |
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|
667 case Types.BLOB: |
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|
668 case Types.VARCHAR: |
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|
669 /* case Types.LONGVARCHAR: is not supported by MonetDB and will fail */ |
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parents:
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|
670 case Types.CLOB: |
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changeset
|
671 return true; |
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|
672 } |
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parents:
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|
673 // conversion to all other types is not supported |
a5a898f6886c
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|
674 return false; |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
675 case Types.TINYINT: |
a5a898f6886c
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changeset
|
676 case Types.SMALLINT: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
677 case Types.INTEGER: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
678 case Types.BIGINT: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
679 case Types.FLOAT: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
680 case Types.REAL: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
681 case Types.DOUBLE: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
682 case Types.NUMERIC: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
683 case Types.DECIMAL: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
684 switch (toType) { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
685 case Types.BOOLEAN: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
686 /* case Types.BIT: is not supported by MonetDB and will fail */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
687 case Types.TINYINT: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
688 case Types.SMALLINT: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
689 case Types.INTEGER: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
690 case Types.BIGINT: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
691 case Types.FLOAT: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
692 case Types.REAL: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
693 case Types.DOUBLE: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
694 case Types.NUMERIC: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
695 case Types.DECIMAL: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
696 case Types.CHAR: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
697 case Types.VARCHAR: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
698 /* case Types.LONGVARCHAR: is not supported by MonetDB and will fail */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
699 case Types.CLOB: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
700 return true; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
701 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
702 // conversion to all other types is not supported |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
703 return false; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
704 case Types.CHAR: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
705 case Types.VARCHAR: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
706 /* 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
|
707 case Types.CLOB: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
708 switch (toType) { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
709 case Types.BOOLEAN: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
710 /* case Types.BIT: is not supported by MonetDB and will fail */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
711 case Types.TINYINT: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
712 case Types.SMALLINT: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
713 case Types.INTEGER: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
714 case Types.BIGINT: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
715 case Types.FLOAT: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
716 case Types.REAL: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
717 case Types.DOUBLE: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
718 case Types.NUMERIC: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
719 case Types.DECIMAL: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
720 case Types.CHAR: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
721 case Types.VARCHAR: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
722 /* 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
|
723 case Types.CLOB: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
724 case Types.BLOB: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
725 case Types.DATE: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
726 case Types.TIME: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
727 case Types.TIMESTAMP: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
728 return true; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
729 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
730 // conversion to all other types is not supported |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
731 return false; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
732 case Types.DATE: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
733 switch (toType) { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
734 case Types.CHAR: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
735 case Types.VARCHAR: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
736 /* 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
|
737 case Types.CLOB: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
738 case Types.DATE: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
739 case Types.TIMESTAMP: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
740 return true; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
741 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
742 // conversion to all other types is not supported |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
743 return false; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
744 case Types.TIME: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
745 switch (toType) { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
746 case Types.CHAR: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
747 case Types.VARCHAR: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
748 /* 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
|
749 case Types.CLOB: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
750 case Types.TIME: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
751 return true; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
752 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
753 // conversion to all other types is not supported |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
754 return false; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
755 case Types.TIMESTAMP: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
756 switch (toType) { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
757 case Types.CHAR: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
758 case Types.VARCHAR: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
759 /* 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
|
760 case Types.CLOB: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
761 case Types.DATE: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
762 case Types.TIME: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
763 case Types.TIMESTAMP: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
764 return true; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
765 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
766 // conversion to all other types is not supported |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
767 return false; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
768 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
769 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
770 // conversion from all other JDBC SQL types are not supported |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
771 return false; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
772 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
773 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
774 /** |
213
115f6351bf4b
Update some documentation text
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
200
diff
changeset
|
775 * Are table correlation names supported? |
231
68b9452f1215
Fix warnings:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
222
diff
changeset
|
776 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
777 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
778 * @return true if so |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
779 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
780 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
781 public boolean supportsTableCorrelationNames() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
782 return true; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
783 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
784 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
785 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
786 * If table correlation names are supported, are they restricted to |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
787 * be different from the names of the tables? |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
788 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
789 * @return true if so; false otherwise |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
790 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
791 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
792 public boolean supportsDifferentTableCorrelationNames() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
793 return false; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
794 } |
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795 |
a5a898f6886c
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|
796 /** |
a5a898f6886c
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|
797 * Are expressions in "ORDER BY" lists supported? |
a5a898f6886c
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|
798 * e.g. select * from t order by a + b; |
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|
799 * |
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|
800 * MonetDB supports this, try: |
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
801 * select (radix * 1000) + digits as comp, * from types order by (radix * 1000) + digits, -id; |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
802 * |
a5a898f6886c
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|
803 * @return true if so |
a5a898f6886c
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|
804 */ |
a5a898f6886c
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parents:
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|
805 @Override |
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|
806 public boolean supportsExpressionsInOrderBy() { |
a5a898f6886c
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parents:
diff
changeset
|
807 return true; |
a5a898f6886c
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parents:
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|
808 } |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
809 |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
810 /** |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
811 * Can an "ORDER BY" clause use columns not in the SELECT? |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
812 * MonetDB differs from SQL03 => true |
a5a898f6886c
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parents:
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|
813 * |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
814 * @return true if so |
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
815 */ |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
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|
816 @Override |
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Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
817 public boolean supportsOrderByUnrelated() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
818 return true; |
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|
819 } |
a5a898f6886c
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parents:
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|
820 |
a5a898f6886c
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parents:
diff
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|
821 /** |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
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|
822 * Is some form of "GROUP BY" clause supported? |
a5a898f6886c
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parents:
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823 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
824 * @return true since MonetDB supports it |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
825 */ |
a5a898f6886c
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|
826 @Override |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
827 public boolean supportsGroupBy() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
828 return true; |
a5a898f6886c
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|
829 } |
a5a898f6886c
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parents:
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|
830 |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
831 /** |
a5a898f6886c
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parents:
diff
changeset
|
832 * Can a "GROUP BY" clause use columns not in the SELECT? |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
833 * |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
834 * @return true since that also is supported |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
835 */ |
a5a898f6886c
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parents:
diff
changeset
|
836 @Override |
a5a898f6886c
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parents:
diff
changeset
|
837 public boolean supportsGroupByUnrelated() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
838 return true; |
a5a898f6886c
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|
839 } |
a5a898f6886c
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parents:
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|
840 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
841 /** |
a5a898f6886c
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parents:
diff
changeset
|
842 * Can a "GROUP BY" clause add columns not in the SELECT provided |
a5a898f6886c
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parents:
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changeset
|
843 * it specifies all the columns in the SELECT? |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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844 * |
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
845 * (MonetDB already supports the more difficult supportsGroupByUnrelated(), |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
846 * so this is a piece of cake) |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
847 * |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
848 * @return true if so |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
849 */ |
a5a898f6886c
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parents:
diff
changeset
|
850 @Override |
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parents:
diff
changeset
|
851 public boolean supportsGroupByBeyondSelect() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
852 return true; |
a5a898f6886c
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parents:
diff
changeset
|
853 } |
a5a898f6886c
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parents:
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changeset
|
854 |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
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diff
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|
855 /** |
213
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Update some documentation text
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
200
diff
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|
856 * Is the escape character in "LIKE" clauses supported? |
231
68b9452f1215
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857 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
0
a5a898f6886c
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parents:
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|
858 * |
a5a898f6886c
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changeset
|
859 * @return true if so |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
860 */ |
a5a898f6886c
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parents:
diff
changeset
|
861 @Override |
a5a898f6886c
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parents:
diff
changeset
|
862 public boolean supportsLikeEscapeClause() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
863 return true; |
a5a898f6886c
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parents:
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changeset
|
864 } |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
865 |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
866 /** |
a5a898f6886c
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changeset
|
867 * Are multiple ResultSets from a single execute supported? |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
868 * |
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parents:
diff
changeset
|
869 * @return true if so |
a5a898f6886c
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parents:
diff
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|
870 */ |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
871 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
872 public boolean supportsMultipleResultSets() { |
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parents:
diff
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|
873 return true; |
a5a898f6886c
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parents:
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|
874 } |
a5a898f6886c
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parents:
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|
875 |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
876 /** |
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
877 * Can we have multiple transactions open at once (on different |
a5a898f6886c
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parents:
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changeset
|
878 * connections?) |
a5a898f6886c
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parents:
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changeset
|
879 * This is the main idea behind the Connection, is it? |
a5a898f6886c
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parents:
diff
changeset
|
880 * |
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parents:
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|
881 * @return true if so |
a5a898f6886c
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|
882 */ |
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
883 @Override |
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parents:
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|
884 public boolean supportsMultipleTransactions() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
885 return true; |
a5a898f6886c
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parents:
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|
886 } |
a5a898f6886c
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parents:
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|
887 |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
888 /** |
213
115f6351bf4b
Update some documentation text
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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200
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changeset
|
889 * Can columns be defined as non-nullable. |
231
68b9452f1215
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|
890 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
0
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|
891 * |
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892 * @return true if so |
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|
893 */ |
a5a898f6886c
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parents:
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|
894 @Override |
a5a898f6886c
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changeset
|
895 public boolean supportsNonNullableColumns() { |
a5a898f6886c
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parents:
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|
896 return true; |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
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|
897 } |
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parents:
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|
898 |
a5a898f6886c
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|
899 /** |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
900 * Does this driver support the minimum ODBC SQL grammar. This |
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parents:
diff
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|
901 * grammar is defined at: |
a5a898f6886c
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parents:
diff
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|
902 * |
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parents:
diff
changeset
|
903 * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/odbc/htm/odappcpr.asp |
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parents:
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changeset
|
904 * From this description, we seem to support the ODBC minimal (Level 0) grammar. |
a5a898f6886c
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parents:
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|
905 * |
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changeset
|
906 * @return true if so |
a5a898f6886c
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|
907 */ |
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parents:
diff
changeset
|
908 @Override |
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parents:
diff
changeset
|
909 public boolean supportsMinimumSQLGrammar() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
910 return true; |
a5a898f6886c
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changeset
|
911 } |
a5a898f6886c
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parents:
diff
changeset
|
912 |
a5a898f6886c
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parents:
diff
changeset
|
913 /** |
a5a898f6886c
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changeset
|
914 * Does this driver support the Core ODBC SQL grammar. We need |
a5a898f6886c
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parents:
diff
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|
915 * SQL-92 conformance for this. |
a5a898f6886c
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parents:
diff
changeset
|
916 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
917 * @return true if so |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
918 */ |
a5a898f6886c
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parents:
diff
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|
919 @Override |
a5a898f6886c
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diff
changeset
|
920 public boolean supportsCoreSQLGrammar() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
921 return true; |
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diff
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|
922 } |
a5a898f6886c
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|
923 |
a5a898f6886c
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|
924 /** |
a5a898f6886c
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|
925 * Does this driver support the Extended (Level 2) ODBC SQL |
a5a898f6886c
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|
926 * grammar. We don't conform to the Core (Level 1), so we can't |
a5a898f6886c
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diff
changeset
|
927 * conform to the Extended SQL Grammar. |
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|
928 * |
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|
929 * @return true if so |
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|
930 */ |
a5a898f6886c
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|
931 @Override |
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|
932 public boolean supportsExtendedSQLGrammar() { |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
933 return false; |
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|
934 } |
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|
935 |
a5a898f6886c
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|
936 /** |
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|
937 * Does this driver support the ANSI-92 entry level SQL grammar? |
231
68b9452f1215
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222
diff
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|
938 * All JDBC Compliant <sup>TM</sup> drivers must return true. |
0
a5a898f6886c
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|
939 * |
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|
940 * @return true if so |
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|
941 */ |
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|
942 @Override |
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|
943 public boolean supportsANSI92EntryLevelSQL() { |
a5a898f6886c
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|
944 return true; |
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|
945 } |
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|
946 |
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|
947 /** |
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|
948 * Does this driver support the ANSI-92 intermediate level SQL |
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|
949 * grammar? |
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|
950 * probably not |
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|
951 * |
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|
952 * @return true if so |
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|
953 */ |
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|
954 @Override |
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|
955 public boolean supportsANSI92IntermediateSQL() { |
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|
956 return false; |
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|
957 } |
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|
958 |
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|
959 /** |
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|
960 * Does this driver support the ANSI-92 full SQL grammar? |
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|
961 * Would be good if it was like that |
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|
962 * |
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963 * @return true if so |
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|
964 */ |
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|
965 @Override |
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|
966 public boolean supportsANSI92FullSQL() { |
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|
967 return false; |
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|
968 } |
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|
969 |
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|
970 /** |
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|
971 * Is the SQL Integrity Enhancement Facility supported? |
267
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|
972 * |
43ea6c50483e
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|
973 * The SQL Integrity Enhancement facility offers additional tools for referential integrity, |
43ea6c50483e
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changeset
|
974 * CHECK constraint clauses, and DEFAULT clauses. Referential integrity allows specification of |
43ea6c50483e
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changeset
|
975 * primary and foreign keys with the requirement that no foreign key row may be inserted or |
43ea6c50483e
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|
976 * updated unless a matching primary key row exists. Check clauses allow specification of |
43ea6c50483e
Correct return value for supportsIntegrityEnhancementFacility()
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|
977 * inter-column constraints to be maintained by the database system. |
43ea6c50483e
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|
978 * Default clauses provide optional default values for missing data. |
43ea6c50483e
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|
979 * |
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|
980 * We currently do not supprt CHECK constraints (see bug 3568) nor deferrable FK constraints. |
0
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|
981 * |
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982 * @return true if so |
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|
983 */ |
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|
984 @Override |
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|
985 public boolean supportsIntegrityEnhancementFacility() { |
267
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|
986 return false; |
0
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|
987 } |
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|
988 |
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|
989 /** |
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|
990 * Is some form of outer join supported? |
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|
991 * |
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|
992 * @return true if so |
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|
993 */ |
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|
994 @Override |
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|
995 public boolean supportsOuterJoins(){ |
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|
996 return true; |
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|
997 } |
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|
998 |
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|
999 /** |
15
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Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
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7
diff
changeset
|
1000 * Are full nested outer joins supported? |
0
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|
1001 * |
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|
1002 * @return true if so |
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|
1003 */ |
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|
1004 @Override |
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1005 public boolean supportsFullOuterJoins() { |
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|
1006 return true; |
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parents:
diff
changeset
|
1007 } |
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|
1008 |
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|
1009 /** |
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|
1010 * Is there limited support for outer joins? |
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1011 * |
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1012 * @return true if so |
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1013 */ |
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1014 @Override |
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1015 public boolean supportsLimitedOuterJoins() { |
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1016 return false; |
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1017 } |
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1018 |
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1019 /** |
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|
1020 * What is the database vendor's preferred term for "schema"? |
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|
1021 * MonetDB uses the term "schema". |
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1022 * |
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1023 * @return the vendor term |
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|
1024 */ |
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|
1025 @Override |
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|
1026 public String getSchemaTerm() { |
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changeset
|
1027 return "schema"; |
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|
1028 } |
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|
1029 |
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|
1030 /** |
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|
1031 * What is the database vendor's preferred term for "procedure"? |
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|
1032 * |
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1033 * @return the vendor term |
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 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1036 public String getProcedureTerm() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1037 return "procedure"; |
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 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1040 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1041 * 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
|
1042 * 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
|
1043 * 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
|
1044 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1045 * @return the vendor term |
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 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1048 public String getCatalogTerm() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1049 return "database"; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1050 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1051 |
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 * 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
|
1054 * (Otherwise it appears at the end). |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1055 * 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
|
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 isCatalogAtStart() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1061 // 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
|
1062 // 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
|
1063 return true; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1064 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1065 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1066 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1067 * What is the Catalog separator. |
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 * @return the catalog separator string |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1070 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1071 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1072 public String getCatalogSeparator() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1073 // 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
|
1074 return null; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1075 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1076 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1077 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1078 * 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
|
1079 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1080 * @return true if so |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1081 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1082 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1083 public boolean supportsSchemasInDataManipulation() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1084 return true; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1085 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1086 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1087 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1088 * Can a schema name be used in a procedure call statement? |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1089 * 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
|
1090 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1091 * @return true if so |
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 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1094 public boolean supportsSchemasInProcedureCalls() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1095 return true; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1096 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1097 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1098 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1099 * 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
|
1100 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1101 * @return true if so |
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 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1104 public boolean supportsSchemasInTableDefinitions() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1105 return true; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1106 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1107 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1108 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1109 * 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
|
1110 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1111 * @return true if so |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1112 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1113 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1114 public boolean supportsSchemasInIndexDefinitions() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1115 return true; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1116 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1117 |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1118 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1119 * 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
|
1120 * |
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Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
1121 * @return true if so |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1122 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1123 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1124 public boolean supportsSchemasInPrivilegeDefinitions() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1125 return true; |
a5a898f6886c
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parents:
diff
changeset
|
1126 } |
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parents:
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changeset
|
1127 |
a5a898f6886c
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parents:
diff
changeset
|
1128 /** |
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parents:
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changeset
|
1129 * Can a catalog name be used in a data manipulation statement? |
a5a898f6886c
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parents:
diff
changeset
|
1130 * |
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1131 * @return true if so |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1132 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1133 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1134 public boolean supportsCatalogsInDataManipulation() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1135 return false; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1136 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1137 |
a5a898f6886c
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parents:
diff
changeset
|
1138 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1139 * Can a catalog name be used in a procedure call statement? |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1140 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1141 * @return true if so |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1142 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1143 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1144 public boolean supportsCatalogsInProcedureCalls() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1145 return false; |
a5a898f6886c
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parents:
diff
changeset
|
1146 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1147 |
a5a898f6886c
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parents:
diff
changeset
|
1148 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1149 * 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
|
1150 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1151 * @return true if so |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1152 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1153 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1154 public boolean supportsCatalogsInTableDefinitions() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1155 return false; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1156 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1157 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1158 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1159 * 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
|
1160 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1161 * @return true if so |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1162 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1163 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1164 public boolean supportsCatalogsInIndexDefinitions() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1165 return false; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1166 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1167 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1168 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1169 * 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
|
1170 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1171 * @return true if so |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1172 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1173 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1174 public boolean supportsCatalogsInPrivilegeDefinitions() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1175 return false; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1176 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1177 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1178 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1179 * MonetDB doesn't support positioned DELETEs I guess |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1180 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1181 * @return true if so |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1182 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1183 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1184 public boolean supportsPositionedDelete() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1185 return false; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1186 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1187 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1188 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1189 * Is positioned UPDATE supported? (same as above) |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1190 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1191 * @return true if so |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1192 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1193 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1194 public boolean supportsPositionedUpdate() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1195 return false; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1196 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1197 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1198 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1199 * Is SELECT FOR UPDATE supported? |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1200 * My test resulted in a negative answer |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1201 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1202 * @return true if so; false otherwise |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1203 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1204 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1205 public boolean supportsSelectForUpdate(){ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1206 return false; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1207 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1208 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1209 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1210 * Are stored procedure calls using the stored procedure escape |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1211 * syntax supported? |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1212 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1213 * @return true if so; false otherwise |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1214 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1215 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1216 public boolean supportsStoredProcedures() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1217 return true; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1218 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1219 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1220 /** |
213
115f6351bf4b
Update some documentation text
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
200
diff
changeset
|
1221 * Are subqueries in comparison expressions supported? |
231
68b9452f1215
Fix warnings:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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222
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changeset
|
1222 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
213
115f6351bf4b
Update some documentation text
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
200
diff
changeset
|
1223 * MonetDB also supports this |
0
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 * @return true if so; false otherwise |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1226 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1227 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1228 public boolean supportsSubqueriesInComparisons() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1229 return true; |
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 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1232 /** |
213
115f6351bf4b
Update some documentation text
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
200
diff
changeset
|
1233 * Are subqueries in 'exists' expressions supported? |
231
68b9452f1215
Fix warnings:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
222
diff
changeset
|
1234 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1235 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1236 * @return true if so; false otherwise |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1237 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1238 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1239 public boolean supportsSubqueriesInExists() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1240 return true; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1241 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1242 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1243 /** |
213
115f6351bf4b
Update some documentation text
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
200
diff
changeset
|
1244 * Are subqueries in 'in' statements supported? |
231
68b9452f1215
Fix warnings:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
222
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changeset
|
1245 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1246 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1247 * @return true if so; false otherwise |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1248 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1249 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1250 public boolean supportsSubqueriesInIns() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1251 return true; |
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 /** |
213
115f6351bf4b
Update some documentation text
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
200
diff
changeset
|
1255 * Are subqueries in quantified expressions supported? |
231
68b9452f1215
Fix warnings:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
222
diff
changeset
|
1256 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1257 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1258 * (No idea what this is, but we support a good deal of |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1259 * subquerying.) |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1260 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1261 * @return true if so; false otherwise |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1262 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1263 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1264 public boolean supportsSubqueriesInQuantifieds() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1265 return true; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1266 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1267 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1268 /** |
213
115f6351bf4b
Update some documentation text
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
200
diff
changeset
|
1269 * Are correlated subqueries supported? |
231
68b9452f1215
Fix warnings:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
222
diff
changeset
|
1270 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1271 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1272 * (a.k.a. subselect in from?) |
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 * @return true if so; false otherwise |
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 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1277 public boolean supportsCorrelatedSubqueries() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1278 return true; |
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 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1281 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1282 * Is SQL UNION supported? |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1283 * since 2004-03-20 |
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 * @return true if so |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1286 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1287 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1288 public boolean supportsUnion() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1289 return true; |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1290 } |
a5a898f6886c
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parents:
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changeset
|
1291 |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1292 /** |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1293 * Is SQL UNION ALL supported? |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1294 * since 2004-03-20 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1295 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1296 * @return true if so |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1297 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1298 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1299 public boolean supportsUnionAll() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1300 return true; |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1301 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1302 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1303 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
1304 * ResultSet objects (cursors) are not closed upon explicit or |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1305 * implicit commit. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1306 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1307 * @return true if so |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1308 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1309 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1310 public boolean supportsOpenCursorsAcrossCommit() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1311 return true; |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
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diff
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|
1312 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
1313 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1314 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1315 * Same as above |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1316 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1317 * @return true if so |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
1318 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1319 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1320 public boolean supportsOpenCursorsAcrossRollback() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1321 return true; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
1322 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
1323 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1324 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1325 * 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
|
1326 * this driver cannot guarentee that. In further reflection. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1327 * 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
|
1328 * yes, since the Statement is only a vehicle to execute some SQL |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1329 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1330 * @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
|
1331 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1332 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1333 public boolean supportsOpenStatementsAcrossCommit() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1334 return true; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
1335 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
1336 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1337 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1338 * 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
|
1339 * this driver cannot guarentee that. In further contemplation, |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1340 * we are taking a Statement object here, so the answer is yes again. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1341 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1342 * @return true if they always remain open; false otherwise |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1343 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
1344 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1345 public boolean supportsOpenStatementsAcrossRollback() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1346 return true; |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1347 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1348 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1349 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1350 * How many hex characters can you have in an inline binary literal |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1351 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1352 * @return the max literal length |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1353 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1354 @Override |
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1355 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
|
1356 return 2*1024*1024*1024 - 2; // MonetDB supports null terminated strings of max 2GB, see function: int UTF8_strlen() |
0
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1357 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1358 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1359 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1360 * 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
|
1361 * |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1362 * @return the max literal length |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1363 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1364 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1365 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
|
1366 return 2*1024*1024*1024 - 2; // MonetDB supports null terminated strings of max 2GB, see function: int UTF8_strlen() |
0
a5a898f6886c
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parents:
diff
changeset
|
1367 } |
a5a898f6886c
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parents:
diff
changeset
|
1368 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1369 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1370 * Whats the limit on column name length. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1371 * I take some safety here, but it's just a varchar in MonetDB |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1372 * |
a5a898f6886c
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parents:
diff
changeset
|
1373 * @return the maximum column name length |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1374 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1375 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1376 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
|
1377 return 1024; // In MonetDB the max length of column sys._columns.name is defined as 1024 |
0
a5a898f6886c
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parents:
diff
changeset
|
1378 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1379 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1380 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1381 * 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
|
1382 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1383 * @return the max number of columns |
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 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1386 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
|
1387 return 0; // no specific limit known |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1388 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1389 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1390 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1391 * What's the maximum number of columns allowed in an index? |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1392 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1393 * @return max number of columns |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1394 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1395 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1396 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
|
1397 return 0; // no specific limit known |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1398 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1399 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1400 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1401 * 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
|
1402 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1403 * @return the max columns |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1404 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1405 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1406 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
|
1407 return 0; // no specific limit known |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1408 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1409 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1410 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1411 * What is the maximum number of columns in a "SELECT" list? |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1412 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1413 * @return the max columns |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1414 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1415 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1416 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
|
1417 return 0; // no specific limit known |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1418 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1419 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1420 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1421 * 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
|
1422 * |
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1423 * 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
|
1424 * 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
|
1425 * 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
|
1426 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1427 * @return the max columns |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1428 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1429 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1430 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
|
1431 return 100*1000; // soft limit it to 100 thousand |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1432 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1433 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1434 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1435 * How many active connections can we have at a time to this |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1436 * database? Well, since it depends on Mserver, which just listens |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1437 * for new connections and creates a new thread for each connection, |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1438 * this number can be very high, and theoretically till the system |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1439 * runs out of resources. However, knowing MonetDB is knowing that you |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1440 * should handle it a little bit with care, so I give a very minimalistic |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1441 * number here. |
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 the maximum number of connections |
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 |
7
b3ca1157be73
Improve DatabaseMetaData.getDatabaseProductVersion() to never return a null String.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
0
diff
changeset
|
1446 public int getMaxConnections() throws SQLException { |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1447 if (env_max_clients == null) |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1448 getEnvValues(); |
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 int max_clients = 16; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1451 if (env_max_clients != null) { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1452 try { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1453 max_clients = Integer.parseInt(env_max_clients); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1454 } catch (NumberFormatException nfe) { /* ignore */ } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1455 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1456 return max_clients; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1457 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1458 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1459 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1460 * What is the maximum cursor name length |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1461 * 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
|
1462 * a precaution for maybe the future. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1463 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1464 * @return max cursor name length in bytes |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1465 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1466 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1467 public int getMaxCursorNameLength() { |
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1468 return 0; // no specific limit known |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1469 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1470 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1471 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1472 * 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
|
1473 * of the parts of the index. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1474 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1475 * @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
|
1476 * of all the constituent parts of the index; a result of zero |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1477 * means that there is no limit or the limit is not known |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1478 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1479 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1480 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
|
1481 return 0; // no specific limit known |
0
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 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1485 * 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
|
1486 * allows in a schema name. |
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 * @return the number of characters or 0 if there is no limit, or the |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1489 * limit is unknown. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1490 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1491 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1492 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
|
1493 return 1024; // In MonetDB the max length of column sys.schemas.name is defined as 1024 |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1494 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1495 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1496 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1497 * 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
|
1498 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1499 * @return the max name length in bytes |
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 getMaxProcedureNameLength() { |
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1503 return 256; // In MonetDB the max length of column sys.functions.name is defined as 256 |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
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 * What is the maximum length of a catalog |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1508 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1509 * @return the maximum number of characters allowed in a catalog name; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1510 * a result of zero means that there is no limit or the limit is not known |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1511 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1512 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1513 public int getMaxCatalogNameLength() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1514 return 0; // MonetDB does not support catalog names |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1515 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1516 |
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 * 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
|
1519 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1520 * @return max row size in bytes |
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 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1523 public int getMaxRowSize() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1524 return 0; // very long I hope... |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1525 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1526 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1527 /** |
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1528 * Did getMaxRowSize() include the SQL data types LONGVARCHAR and LONGVARBINARY |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1529 * blobs? |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1530 * Yes I thought so... |
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 * @return true if so |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1533 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1534 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1535 public boolean doesMaxRowSizeIncludeBlobs() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1536 return true; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1537 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1538 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1539 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1540 * 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
|
1541 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1542 * @return max length in bytes |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1543 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1544 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1545 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
|
1546 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
|
1547 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1548 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1549 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1550 * 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
|
1551 * this database? Basically, since each Statement downloads |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1552 * 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
|
1553 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1554 * @return the maximum |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1555 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1556 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1557 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
|
1558 return 0; // no specific limit known |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1559 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1560 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1561 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1562 * 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
|
1563 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1564 * @return max name length in bytes |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1565 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1566 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1567 public int getMaxTableNameLength() { |
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1568 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
|
1569 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1570 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1571 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1572 * 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
|
1573 * in a SELECT? |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1574 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1575 * @return the maximum |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1576 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1577 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1578 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
|
1579 return 0; // no specific limit known |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1580 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1581 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1582 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1583 * 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
|
1584 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1585 * @return the max name length in bytes |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1586 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1587 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1588 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
|
1589 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
|
1590 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1591 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1592 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1593 * 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
|
1594 * 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
|
1595 * reads can occur. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1596 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1597 * @return the default isolation level |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1598 * @see Connection |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1599 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1600 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1601 public int getDefaultTransactionIsolation() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1602 return Connection.TRANSACTION_SERIALIZABLE; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1603 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1604 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1605 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1606 * 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
|
1607 * 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
|
1608 * transactions. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1609 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1610 * @return true if transactions are supported |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1611 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1612 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1613 public boolean supportsTransactions() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1614 return true; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1615 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
1616 |
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|
1617 /** |
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|
1618 * Does the database support the given transaction isolation level? |
213
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|
1619 * We only support TRANSACTION_SERIALIZABLE as far as I know |
0
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|
1620 * |
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|
1621 * @param level the values are defined in java.sql.Connection |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
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|
1622 * @return true if so |
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
1623 * @see Connection |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
1624 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
1625 @Override |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
1626 public boolean supportsTransactionIsolationLevel(int level) { |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
1627 return level == Connection.TRANSACTION_SERIALIZABLE; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
1628 } |
a5a898f6886c
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parents:
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|
1629 |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
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|
1630 /** |
a5a898f6886c
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|
1631 * Are both data definition and data manipulation transactions |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
1632 * supported? |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
1633 * Supposedly that data definition is like CREATE or ALTER TABLE |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
1634 * yes it is. |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
1635 * |
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Copy of MonetDB java directory changeset e6e32756ad31.
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1636 * @return true if so |
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|
1637 */ |
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|
1638 @Override |
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|
1639 public boolean supportsDataDefinitionAndDataManipulationTransactions() { |
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|
1640 return true; |
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|
1641 } |
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|
1642 |
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|
1643 /** |
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|
1644 * Are only data manipulation statements within a transaction |
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1645 * supported? |
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|
1646 * |
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1647 * @return true if so |
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|
1648 */ |
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|
1649 @Override |
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1650 public boolean supportsDataManipulationTransactionsOnly() { |
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|
1651 return false; |
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1652 } |
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|
1653 |
a5a898f6886c
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|
1654 /** |
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1655 * Does a data definition statement within a transaction force |
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Sjoerd Mullender <sjoerd@acm.org>
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|
1656 * the transaction to commit? I think this means something like: |
a5a898f6886c
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1657 * |
194
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1658 * <pre> |
0
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|
1659 * CREATE TABLE T (A INT); |
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Copy of MonetDB java directory changeset e6e32756ad31.
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1660 * INSERT INTO T (A) VALUES (2); |
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1661 * BEGIN; |
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1662 * UPDATE T SET A = A + 1; |
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
1663 * CREATE TABLE X (A INT); |
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Sjoerd Mullender <sjoerd@acm.org>
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|
1664 * SELECT A FROM T INTO X; |
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1665 * COMMIT; |
194
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|
1666 * </pre> |
0
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|
1667 * |
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|
1668 * does the CREATE TABLE call cause a commit? The answer is no. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
1669 * |
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1670 * @return true if so |
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|
1671 */ |
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|
1672 @Override |
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|
1673 public boolean dataDefinitionCausesTransactionCommit() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
1674 return false; |
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|
1675 } |
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|
1676 |
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|
1677 /** |
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|
1678 * Is a data definition statement within a transaction ignored? |
a5a898f6886c
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|
1679 * |
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|
1680 * @return true if so |
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|
1681 */ |
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|
1682 @Override |
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|
1683 public boolean dataDefinitionIgnoredInTransactions() { |
a5a898f6886c
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|
1684 return false; |
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|
1685 } |
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|
1686 |
a5a898f6886c
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|
1687 /** |
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|
1688 * Get a description of stored procedures available in a catalog |
a5a898f6886c
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|
1689 * |
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|
1690 * <p>Only procedure descriptions matching the schema and procedure |
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|
1691 * name criteria are returned. They are ordered by PROCEDURE_SCHEM, |
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|
1692 * PROCEDURE_NAME and SPECIFIC_NAME. |
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1693 * |
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|
1694 * <p>Each procedure description has the following columns: |
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|
1695 * <ol> |
194
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1696 * <li><b>PROCEDURE_CAT</b> String => procedure catalog (may be null) |
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1697 * <li><b>PROCEDURE_SCHEM</b> String => procedure schema (may be null) |
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1698 * <li><b>PROCEDURE_NAME</b> String => procedure name |
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|
1699 * <li><b>Field4</b> reserved (make it null) |
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|
1700 * <li><b>Field5</b> reserved (make it null) |
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|
1701 * <li><b>Field6</b> reserved (make it null) |
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1702 * <li><b>REMARKS</b> String => explanatory comment on the procedure |
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1703 * <li><b>PROCEDURE_TYPE</b> short => kind of procedure |
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1704 * <ul> |
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1705 * <li> procedureResultUnknown - May return a result |
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1706 * <li> procedureNoResult - Does not return a result |
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1707 * <li> procedureReturnsResult - Returns a result |
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1708 * </ul> |
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1709 * <li><b>SPECIFIC_NAME</b> String => The name which uniquely identifies this procedure within its schema. |
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1710 * </ol> |
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1711 * |
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1712 * @param catalog - a catalog name; must match the catalog name as it is stored in the database; |
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1713 * "" retrieves those without a catalog; |
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|
1714 * null means that the catalog name should not be used to narrow the search |
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1715 * @param schemaPattern - a schema name pattern; must match the schema name as it is stored in the database; |
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|
1716 * "" retrieves those without a schema; |
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|
1717 * null means that the schema name should not be used to narrow the search |
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1718 * @param procedureNamePattern - a procedure name pattern; must match the procedure name as it is stored in the database |
245
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|
1719 * 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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|
1720 * @return ResultSet - each row is a procedure description |
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|
1721 * @throws SQLException if a database access error occurs |
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1722 */ |
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1723 @Override |
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|
1724 public ResultSet getProcedures( |
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|
1725 String catalog, |
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|
1726 String schemaPattern, |
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|
1727 String procedureNamePattern |
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|
1728 ) throws SQLException |
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|
1729 { |
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1730 boolean useCommentsTable = ((MonetConnection)con).commentsTableExists(); |
0
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1731 StringBuilder query = new StringBuilder(980); |
217
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Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
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1732 query.append("SELECT cast(null as char(1)) AS \"PROCEDURE_CAT\", " + |
0
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|
1733 "\"schemas\".\"name\" AS \"PROCEDURE_SCHEM\", " + |
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|
1734 "\"functions\".\"name\" AS \"PROCEDURE_NAME\", " + |
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|
1735 "cast(null as char(1)) AS \"Field4\", " + |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
1736 "cast(null as char(1)) AS \"Field5\", " + |
215
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1737 "cast(null as char(1)) AS \"Field6\", ") |
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1738 .append(useCommentsTable ? "COALESCE(\"comments\".\"remark\", cast(\"functions\".\"func\" as varchar(9999)))" : "cast(\"functions\".\"func\" as varchar(9999))").append(" AS \"REMARKS\", " + |
0
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1739 // in MonetDB procedures have no return value by design. |
217
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1740 "cast(").append(DatabaseMetaData.procedureNoResult).append(" AS smallint) AS \"PROCEDURE_TYPE\", " + |
0
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|
1741 // only the id value uniquely identifies a procedure. Include it to be able to differentiate between multiple overloaded procedures with the same name |
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1742 "cast(\"functions\".\"id\" as varchar(10)) AS \"SPECIFIC_NAME\" " + |
215
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1743 "FROM \"sys\".\"functions\" JOIN \"sys\".\"schemas\" ON (\"functions\".\"schema_id\" = \"schemas\".\"id\") "); |
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1744 if (useCommentsTable) { |
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1745 query.append("LEFT OUTER JOIN \"sys\".\"comments\" ON (\"functions\".\"id\" = \"comments\".\"id\") "); |
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1746 } |
0
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1747 // include procedures only (type = 2). Others will be returned via getFunctions() |
215
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1748 query.append("WHERE \"functions\".\"type\" = 2"); |
0
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1749 |
216
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1750 if (catalog != null && !catalog.isEmpty()) { |
0
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1751 // none empty catalog selection. |
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1752 // as we do not support catalogs this always results in no rows returned |
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1753 query.append(" AND 1 = 0"); |
216
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1754 } else { |
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1755 if (schemaPattern != null) { |
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1756 query.append(" AND \"schemas\".\"name\" ").append(composeMatchPart(schemaPattern)); |
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1757 } |
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1758 if (procedureNamePattern != null) { |
116b5a149fb4
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|
1759 query.append(" AND \"functions\".\"name\" ").append(composeMatchPart(procedureNamePattern)); |
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1760 } |
0
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|
1761 } |
216
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|
1762 |
0
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|
1763 query.append(" ORDER BY \"PROCEDURE_SCHEM\", \"PROCEDURE_NAME\", \"SPECIFIC_NAME\""); |
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|
1764 |
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|
1765 return executeMetaDataQuery(query.toString()); |
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1766 } |
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|
1767 |
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|
1768 /** |
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|
1769 * Get a description of a catalog's stored procedure parameters |
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|
1770 * and result columns. |
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|
1771 * |
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|
1772 * <p>Only descriptions matching the schema, procedure and parameter name |
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|
1773 * criteria are returned. They are ordered by PROCEDURE_SCHEM, PROCEDURE_NAME |
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|
1774 * and SPECIFIC_NAME. Within this, the return value, if any, is first. |
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|
1775 * Next are the parameter descriptions in call order. The |
a5a898f6886c
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|
1776 * column descriptions follow in column number order. |
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|
1777 * |
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1778 * <p>Each row in the ResultSet is a parameter description or column |
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|
1779 * description with the following fields: |
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|
1780 * <ol> |
194
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1781 * <li><b>PROCEDURE_CAT</b> String => procedure catalog (may be null) |
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1782 * <li><b>PROCEDURE_SCHEM</b> String => procedure schema (may be null) |
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|
1783 * <li><b>PROCEDURE_NAME</b> String => procedure name |
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1784 * <li><b>COLUMN_NAME</b> String => column/parameter name |
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|
1785 * <li><b>COLUMN_TYPE</b> Short => kind of column/parameter: |
0
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|
1786 * <ul><li>procedureColumnUnknown - nobody knows |
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|
1787 * <li>procedureColumnIn - IN parameter |
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|
1788 * <li>procedureColumnInOut - INOUT parameter |
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|
1789 * <li>procedureColumnOut - OUT parameter |
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|
1790 * <li>procedureColumnReturn - procedure return value |
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1791 * <li>procedureColumnResult - result column in ResultSet |
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|
1792 * </ul> |
194
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1793 * <li><b>DATA_TYPE</b> int => SQL type from java.sql.Types |
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1794 * <li><b>TYPE_NAME</b> String => SQL type name, for a UDT type the type name is fully qualified |
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1795 * <li><b>PRECISION</b> int => precision |
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1796 * <li><b>LENGTH</b> int => length in bytes of data |
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1797 * <li><b>SCALE</b> short => scale - null is returned for data types where SCALE is not applicable. |
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1798 * <li><b>RADIX</b> short => radix |
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1799 * <li><b>NULLABLE</b> short => can it contain NULL? |
0
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|
1800 * <ul><li>procedureNoNulls - does not allow NULL values |
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1801 * <li>procedureNullable - allows NULL values |
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1802 * <li>procedureNullableUnknown - nullability unknown |
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1803 * </ul> |
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1804 * <li><b>REMARKS</b> String => comment describing parameter/column |
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1805 * <li><b>COLUMN_DEF</b> String => default value for the column, which should be interpreted as a string when the value is enclosed in single quotes (may be null) |
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1806 * The string NULL (not enclosed in quotes) - if NULL was specified as the default value |
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1807 * TRUNCATE (not enclosed in quotes) - if the specified default value cannot be represented without truncation |
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1808 * NULL - if a default value was not specified |
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1809 * <li><b>SQL_DATA_TYPE</b> int => reserved for future use |
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1810 * <li><b>SQL_DATETIME_SUB</b> int => reserved for future use |
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1811 * <li><b>CHAR_OCTET_LENGTH</b> int => the maximum length of binary and character based columns. For any other datatype the returned value is a NULL |
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1812 * <li><b>ORDINAL_POSITION</b> int => the ordinal position, starting from 1, for the input and output parameters for a procedure. |
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1813 * A value of 0 is returned if this row describes the procedure's return value. For result set columns, it is the ordinal position of the |
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1814 * column in the result set starting from 1. If there are multiple result sets, the column ordinal positions are implementation defined. |
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1815 * <li><b>IS_NULLABLE</b> String => ISO rules are used to determine the nullability for a column. |
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1816 * <ul><li>YES --- if the parameter can include NULLs |
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1817 * <li>NO --- if the parameter cannot include NULLs |
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1818 * <li>empty string --- if the nullability for the parameter is unknown |
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1819 * </ul> |
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1820 * <li><b>SPECIFIC_NAME</b> String => the name which uniquely identifies this procedure within its schema. |
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1821 * </ol> |
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1822 * @param catalog - a catalog name; must match the catalog name as it is stored in the database; |
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1823 * "" retrieves those without a catalog; |
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1824 * null means that the catalog name should not be used to narrow the search |
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1825 * @param schemaPattern - a schema name pattern; must match the schema name as it is stored in the database; |
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1826 * "" retrieves those without a schema; |
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1827 * null means that the schema name should not be used to narrow the search |
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1828 * @param procedureNamePattern - a procedure name pattern; must match the procedure name as it is stored in the database |
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1829 * 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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1830 * @param columnNamePattern - a column name pattern; must match the column name as it is stored in the database |
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1831 * 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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1832 * @return ResultSet - each row describes a stored procedure parameter or column |
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1833 * @throws SQLException if a database-access error occurs |
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1834 * @see #getSearchStringEscape |
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1835 */ |
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1836 @Override |
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1837 public ResultSet getProcedureColumns( |
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1838 String catalog, |
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1839 String schemaPattern, |
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1840 String procedureNamePattern, |
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1841 String columnNamePattern |
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1842 ) throws SQLException { |
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1843 StringBuilder query = new StringBuilder(2900); |
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1844 query.append("SELECT cast(null as char(1)) AS \"PROCEDURE_CAT\", " + |
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1845 "\"schemas\".\"name\" AS \"PROCEDURE_SCHEM\", " + |
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1846 "\"functions\".\"name\" AS \"PROCEDURE_NAME\", " + |
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1847 "\"args\".\"name\" AS \"COLUMN_NAME\", " + |
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1848 "cast(CASE \"args\".\"inout\"" + |
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1849 " WHEN 0 THEN (CASE \"args\".\"number\" WHEN 0 THEN ").append(DatabaseMetaData.procedureColumnReturn).append(" ELSE ").append(DatabaseMetaData.procedureColumnOut).append(" END)" + |
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1850 " WHEN 1 THEN ").append(DatabaseMetaData.procedureColumnIn) |
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1851 .append(" ELSE ").append(DatabaseMetaData.procedureColumnUnknown).append(" END AS smallint) AS \"COLUMN_TYPE\", " + |
217
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1852 "cast(").append(MonetDriver.getSQLTypeMap("\"args\".\"type\"")).append(" AS int) AS \"DATA_TYPE\", " + |
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1853 "\"args\".\"type\" AS \"TYPE_NAME\", " + |
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1854 "CASE \"args\".\"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 \"args\".\"type_digits\" END AS \"PRECISION\", " + |
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1855 "CASE \"args\".\"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 \"args\".\"type_digits\" END AS \"LENGTH\", " + |
217
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1856 "cast(CASE WHEN \"args\".\"type\" IN ('tinyint','smallint','int','bigint','hugeint','oid','wrd','decimal','numeric','time','timetz','timestamp','timestamptz','sec_interval') THEN \"args\".\"type_scale\" ELSE NULL END AS smallint) AS \"SCALE\", " + |
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1857 "cast(CASE WHEN \"args\".\"type\" IN ('tinyint','smallint','int','bigint','hugeint','oid','wrd','decimal','numeric') THEN 10 WHEN \"args\".\"type\" IN ('real','float','double') THEN 2 ELSE NULL END AS smallint) AS \"RADIX\", " + |
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1858 "cast(").append(DatabaseMetaData.procedureNullableUnknown).append(" AS smallint) AS \"NULLABLE\", " + |
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1859 "cast(null as char(1)) AS \"REMARKS\", " + |
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1860 "cast(null as char(1)) AS \"COLUMN_DEF\", " + |
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1861 "cast(0 as int) AS \"SQL_DATA_TYPE\", " + |
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1862 "cast(0 as int) AS \"SQL_DATETIME_SUB\", " + |
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1863 "cast(CASE WHEN \"args\".\"type\" IN ('char','varchar','clob') THEN \"args\".\"type_digits\" ELSE NULL END as int) AS \"CHAR_OCTET_LENGTH\", " + |
0
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1864 // 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. |
217
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1865 "cast(\"args\".\"number\" + 1 as int) AS \"ORDINAL_POSITION\", " + |
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1866 "cast('' as varchar(3)) AS \"IS_NULLABLE\", " + |
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1867 // 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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1868 "cast(\"functions\".\"id\" as varchar(10)) AS \"SPECIFIC_NAME\" " + |
215
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1869 "FROM \"sys\".\"args\" " + |
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1870 "JOIN \"sys\".\"functions\" ON (\"args\".\"func_id\" = \"functions\".\"id\") " + |
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1871 "JOIN \"sys\".\"schemas\" ON (\"functions\".\"schema_id\" = \"schemas\".\"id\") " + |
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1872 // include procedures only (type = 2). Others will be returned via getFunctionColumns() |
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1873 "WHERE \"functions\".\"type\" = 2"); |
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1874 |
216
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1875 if (catalog != null && !catalog.isEmpty()) { |
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1876 // none empty catalog selection. |
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1877 // as we do not support catalogs this always results in no rows returned |
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1878 query.append(" AND 1 = 0"); |
216
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1879 } else { |
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1880 if (schemaPattern != null) { |
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1881 query.append(" AND \"schemas\".\"name\" ").append(composeMatchPart(schemaPattern)); |
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1882 } |
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1883 if (procedureNamePattern != null) { |
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1884 query.append(" AND \"functions\".\"name\" ").append(composeMatchPart(procedureNamePattern)); |
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1885 } |
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1886 if (columnNamePattern != null) { |
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1887 query.append(" AND \"args\".\"name\" ").append(composeMatchPart(columnNamePattern)); |
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1888 } |
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1889 } |
216
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1890 |
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1891 query.append(" ORDER BY \"PROCEDURE_SCHEM\", \"PROCEDURE_NAME\", \"SPECIFIC_NAME\", \"ORDINAL_POSITION\""); |
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1892 |
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1893 return executeMetaDataQuery(query.toString()); |
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1894 } |
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1895 |
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1896 |
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1897 //== this is a helper method which does not belong to the interface |
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1898 |
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1899 /** |
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1900 * Returns a SQL match part string where depending on the input value we |
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1901 * compose an exact match (use =) or match with wildcards (use LIKE) or IS NULL |
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1902 * |
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1903 * @param in the string to match |
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1904 * @return the SQL match part string |
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1905 */ |
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1906 private static final String composeMatchPart(String in) { |
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1907 if (in == null) |
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1908 return "IS NULL"; |
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1909 |
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1910 String sql = "= '"; |
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1911 // check if SQL wildcards are used in the input, if so use LIKE |
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1912 if (in.contains("%") || in.contains("_")) |
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1913 sql = "LIKE '"; |
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1914 |
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1915 // all slashes and single quotes in input are escaped with a slash. |
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1916 String escaped = in.replaceAll("\\\\", "\\\\\\\\").replaceAll("'", "\\\\'"); |
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1917 |
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1918 return sql + escaped + "'"; |
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1919 } |
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1920 |
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1921 /** |
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1922 * Returns the given string between two double quotes for usage as |
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1923 * exact column or table name in SQL queries. |
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1924 * |
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1925 * @param in the string to quote |
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1926 * @return the quoted string |
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1927 */ |
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1928 // @SuppressWarnings("unused") |
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1929 // private static final String dq(String in) { |
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1930 // return "\"" + in.replaceAll("\\\\", "\\\\\\\\").replaceAll("\"", "\\\\\"") + "\""; |
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1931 // } |
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1932 |
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1933 //== end helper methods |
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1934 |
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1935 |
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1936 /** |
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1937 * Retrieves a description of the tables available in the given catalog. |
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1938 * Only table descriptions matching the catalog, schema, table name and type criteria are returned. |
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1939 * They are ordered by TABLE_TYPE, TABLE_CAT, TABLE_SCHEM and TABLE_NAME. |
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1940 * |
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1941 * <p>Each table description has the following columns: |
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1942 * |
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1943 * <ol> |
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1944 * <li><b>TABLE_CAT</b> String => table catalog (may be null) |
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1945 * <li><b>TABLE_SCHEM</b> String => table schema (may be null) |
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1946 * <li><b>TABLE_NAME</b> String => table name |
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1947 * <li><b>TABLE_TYPE</b> String => table type. Typical types are "TABLE", |
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1948 * "VIEW", "SYSTEM TABLE", "GLOBAL TEMPORARY", "LOCAL TEMPORARY", "ALIAS", "SYNONYM". |
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1949 * <li><b>REMARKS</b> String => explanatory comment on the table |
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1950 * <li><b>TYPE_CAT</b> String => the types catalog (may be null) |
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1951 * <li><b>TYPE_SCHEM</b> String => the types schema (may be null) |
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1952 * <li><b>TYPE_NAME</b> String => type name (may be null) |
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1953 * <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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1954 * <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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1955 * </ol> |
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1956 * |
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1957 * @param catalog - a catalog name; must match the catalog name as it is stored in the database; |
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1958 * "" retrieves those without a catalog; null means that the |
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1959 * catalog name should not be used to narrow the search |
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1960 * @param schemaPattern - a schema name pattern; must match the schema name as it is stored |
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1961 * in the database; "" retrieves those without a schema; |
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1962 * null means that the schema name should not be used to narrow the search |
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1963 * @param tableNamePattern - a table name pattern; must match the table name as it is stored in the database |
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1964 * For all tables this should be "%" |
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1965 * 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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1966 * @param types - a list of table types, which must be from the list of table types returned |
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1967 * from getTableTypes(),to include; null returns all types |
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1968 * @return ResultSet - each row is a table description |
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1969 * @throws SQLException if a database-access error occurs. |
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1970 */ |
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1971 @Override |
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1972 public ResultSet getTables( |
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1973 String catalog, |
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1974 String schemaPattern, |
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1975 String tableNamePattern, |
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1976 String types[] |
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1977 ) throws SQLException |
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1978 { |
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1979 // 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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1980 // as of Jul2015 release we also have a new table: sys.table_types with names for the new table types |
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1981 // 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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1982 boolean preJul2015 = ("11.19.15".compareTo(getDatabaseProductVersion()) >= 0); |
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1983 /* for debug: System.out.println("getDatabaseProductVersion() is " + getDatabaseProductVersion() + " preJul2015 is " + preJul2015); */ |
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1984 |
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1985 boolean useCommentsTable = ((MonetConnection)con).commentsTableExists(); |
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1986 StringBuilder query = new StringBuilder(1600); |
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1987 if (preJul2015 && types != null && types.length > 0) { |
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1988 // 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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1989 query.append("SELECT * FROM ("); |
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1990 } |
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1991 query.append("SELECT cast(null as char(1)) AS \"TABLE_CAT\", " + |
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1992 "\"schemas\".\"name\" AS \"TABLE_SCHEM\", " + |
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1993 "\"tables\".\"name\" AS \"TABLE_NAME\", "); |
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1994 if (preJul2015) { |
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1995 query.append( |
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1996 "CASE WHEN \"tables\".\"system\" = true AND \"tables\".\"type\" IN (0, 10) AND \"tables\".\"temporary\" = 0 THEN 'SYSTEM TABLE' " + |
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1997 "WHEN \"tables\".\"system\" = true AND \"tables\".\"type\" IN (1, 11) AND \"tables\".\"temporary\" = 0 THEN 'SYSTEM VIEW' " + |
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1998 "WHEN \"tables\".\"system\" = false AND \"tables\".\"type\" = 0 AND \"tables\".\"temporary\" = 0 THEN 'TABLE' " + |
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1999 "WHEN \"tables\".\"system\" = false AND \"tables\".\"type\" = 1 AND \"tables\".\"temporary\" = 0 THEN 'VIEW' " + |
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2000 "WHEN \"tables\".\"system\" = true AND \"tables\".\"type\" IN (0, 20) AND \"tables\".\"temporary\" = 1 THEN 'SYSTEM SESSION TABLE' " + |
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2001 "WHEN \"tables\".\"system\" = true AND \"tables\".\"type\" IN (1, 21) AND \"tables\".\"temporary\" = 1 THEN 'SYSTEM SESSION VIEW' " + |
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2002 "WHEN \"tables\".\"system\" = false AND \"tables\".\"type\" IN (0, 30) AND \"tables\".\"temporary\" = 1 THEN 'SESSION TABLE' " + |
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2003 "WHEN \"tables\".\"system\" = false AND \"tables\".\"type\" IN (1, 31) AND \"tables\".\"temporary\" = 1 THEN 'SESSION VIEW' " + |
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2004 "END AS \"TABLE_TYPE\", "); |
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2005 } else { |
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2006 query.append("\"table_types\".\"table_type_name\" AS \"TABLE_TYPE\", "); |
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2007 } |
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2008 query.append(useCommentsTable ? "COALESCE(\"comments\".\"remark\", \"tables\".\"query\")" : "\"tables\".\"query\"").append(" AS \"REMARKS\", " + |
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2009 "cast(null as char(1)) AS \"TYPE_CAT\", " + |
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2010 "cast(null as char(1)) AS \"TYPE_SCHEM\", " + |
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2011 "cast(null as char(1)) AS \"TYPE_NAME\", " + |
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2012 "cast(null as char(1)) AS \"SELF_REFERENCING_COL_NAME\", " + |
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2013 "cast(null as char(1)) AS \"REF_GENERATION\" " + |
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2014 "FROM \"sys\".\"tables\""); |
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2015 if (useCommentsTable) { |
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2016 query.append(" LEFT OUTER JOIN \"sys\".\"comments\" ON (\"tables\".\"id\" = \"comments\".\"id\")"); |
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2017 } |
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2018 query.append(", \"sys\".\"schemas\""); |
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2019 if (!preJul2015) { |
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2020 query.append(", \"sys\".\"table_types\""); |
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2021 } |
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2022 query.append(" WHERE \"tables\".\"schema_id\" = \"schemas\".\"id\""); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2023 if (!preJul2015) { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2024 query.append(" AND \"tables\".\"type\" = \"table_types\".\"table_type_id\""); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2025 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2026 |
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
|
2027 if (catalog != null && !catalog.isEmpty()) { |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2028 // none empty catalog selection. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2029 // as we do not support catalogs this always results in no rows returned |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2030 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
|
2031 } else { |
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
|
2032 if (schemaPattern != null) { |
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
|
2033 query.append(" AND \"schemas\".\"name\" ").append(composeMatchPart(schemaPattern)); |
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
|
2034 } |
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
|
2035 if (tableNamePattern != null) { |
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
|
2036 query.append(" AND \"tables\".\"name\" ").append(composeMatchPart(tableNamePattern)); |
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
|
2037 } |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2038 } |
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
|
2039 |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2040 if (types != null && types.length > 0) { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2041 if (preJul2015) { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2042 query.append(") AS \"getTables\" WHERE \"TABLE_TYPE\" IN ("); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2043 } else { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2044 query.append(" AND \"table_types\".\"table_type_name\" IN ("); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2045 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2046 for (int i = 0; i < types.length; i++) { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2047 if (i > 0) { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2048 query.append(", "); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2049 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2050 query.append("'").append(types[i]).append("'"); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2051 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2052 query.append(")"); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2053 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2054 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2055 query.append(" ORDER BY \"TABLE_TYPE\", \"TABLE_SCHEM\", \"TABLE_NAME\""); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2056 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2057 return executeMetaDataQuery(query.toString()); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2058 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2059 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2060 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2061 * 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
|
2062 * are ordered by schema name. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2063 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2064 * <P>The schema column is: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2065 * <OL> |
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
2066 * <LI><B>TABLE_SCHEM</B> String => schema name |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
2067 * <LI><B>TABLE_CATALOG</B> String => catalog name (may be null) |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2068 * </OL> |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2069 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2070 * @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
|
2071 * 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
|
2072 * catalog; null means catalog name should not be used to |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2073 * narrow down the search. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2074 * @param schemaPattern a schema name; must match the schema name as |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2075 * it is stored in the database; null means schema name |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2076 * should not be used to narrow down the search. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2077 * @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
|
2078 * schema name |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2079 * @throws SQLException if a database error occurs |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2080 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2081 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2082 public ResultSet getSchemas(String catalog, String schemaPattern) |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2083 throws SQLException |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2084 { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2085 StringBuilder query = new StringBuilder(170); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2086 query.append("SELECT \"name\" AS \"TABLE_SCHEM\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2087 "cast(null as char(1)) AS \"TABLE_CATALOG\" " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2088 "FROM \"sys\".\"schemas\""); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2089 |
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
|
2090 if (catalog != null && !catalog.isEmpty()) { |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2091 // none empty catalog selection. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2092 // as we do not support catalogs this always results in no rows returned |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2093 query.append(" WHERE 1 = 0"); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2094 } else { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2095 if (schemaPattern != null) { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2096 query.append(" WHERE \"name\" ").append(composeMatchPart(schemaPattern)); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2097 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2098 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2099 query.append(" ORDER BY \"TABLE_SCHEM\""); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2100 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2101 return executeMetaDataQuery(query.toString()); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2102 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2103 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2104 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2105 * Get the catalog names available in this database. The results |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2106 * are ordered by catalog name. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2107 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2108 * <P>The catalog column is: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2109 * <OL> |
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
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|
2110 * <LI><B>TABLE_CAT</B> String => catalog name |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2111 * </OL> |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2112 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2113 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2114 * @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
|
2115 * catalog name |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2116 * @throws SQLException if a database error occurs |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2117 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2118 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2119 public ResultSet getCatalogs() throws SQLException { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2120 // MonetDB does NOT support catalogs. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2121 // Return a resultset with no rows |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2122 return executeMetaDataQuery("SELECT cast(null as char(1)) AS \"TABLE_CAT\" WHERE 1 = 0"); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2123 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2124 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2125 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2126 * Get the table types available in this database. The results |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2127 * are ordered by table type. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2128 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2129 * <P>The table type is: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2130 * <OL> |
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
2131 * <LI><B>TABLE_TYPE</B> String => table type. Typical types are "TABLE", |
0
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|
2132 * "VIEW", "SYSTEM TABLE", "GLOBAL TEMPORARY", |
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|
2133 * "LOCAL TEMPORARY", "ALIAS", "SYNONYM". |
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2134 * </OL> |
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|
2135 * |
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|
2136 * @return ResultSet each row has a single String column that is a |
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|
2137 * table type |
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diff
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|
2138 * @throws SQLException if a database error occurs |
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|
2139 */ |
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|
2140 @Override |
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|
2141 public ResultSet getTableTypes() throws SQLException { |
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parents:
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|
2142 // as of Jul2015 release we have a new table: sys.table_types with more table types |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2143 String query = "SELECT \"table_type_name\" AS \"TABLE_TYPE\" FROM \"sys\".\"table_types\" ORDER BY 1"; |
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|
2144 // For old (pre jul2015) servers fall back to old behavior. |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2145 boolean preJul2015 = ("11.19.15".compareTo(getDatabaseProductVersion()) >= 0); |
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|
2146 if (preJul2015) { |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2147 query = "SELECT 'SESSION TABLE' AS \"TABLE_TYPE\" UNION ALL " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2148 "SELECT 'SESSION VIEW' UNION ALL " + |
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2149 "SELECT 'SYSTEM SESSION TABLE' UNION ALL " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2150 "SELECT 'SYSTEM SESSION VIEW' UNION ALL " + |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2151 "SELECT 'SYSTEM TABLE' UNION ALL " + |
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Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2152 "SELECT 'SYSTEM VIEW' UNION ALL " + |
a5a898f6886c
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|
2153 "SELECT 'TABLE' UNION ALL " + |
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|
2154 "SELECT 'VIEW' ORDER BY 1"; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2155 } |
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|
2156 |
a5a898f6886c
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|
2157 return executeMetaDataQuery(query); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2158 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2159 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2160 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
2161 * Get a description of table columns available in a catalog. |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2162 * |
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parents:
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|
2163 * <P>Only column descriptions matching the catalog, schema, table |
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2164 * and column name criteria are returned. They are ordered by |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2165 * TABLE_SCHEM, TABLE_NAME and ORDINAL_POSITION. |
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2166 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
2167 * <P>Each column description has the following columns: |
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|
2168 * <OL> |
194
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186
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|
2169 * <LI><B>TABLE_CAT</B> String => table catalog (may be null) |
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186
diff
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|
2170 * <LI><B>TABLE_SCHEM</B> String => table schema (may be null) |
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186
diff
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|
2171 * <LI><B>TABLE_NAME</B> String => table name |
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186
diff
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|
2172 * <LI><B>COLUMN_NAME</B> String => column name |
1296dbcc4958
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186
diff
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|
2173 * <LI><B>DATA_TYPE</B> int => SQL type from java.sql.Types |
1296dbcc4958
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186
diff
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|
2174 * <LI><B>TYPE_NAME</B> String => Data source dependent type name |
1296dbcc4958
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186
diff
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|
2175 * <LI><B>COLUMN_SIZE</B> int => column size. For char or date |
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2176 * 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
|
2177 * decimal types this is precision. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2178 * <LI><B>BUFFER_LENGTH</B> is not used. |
194
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
2179 * <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
|
2180 * <LI><B>NUM_PREC_RADIX</B> int => Radix (typically either 10 or 2) |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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186
diff
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|
2181 * <LI><B>NULLABLE</B> int => is NULL allowed? |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2182 * <UL> |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2183 * <LI> columnNoNulls - might not allow NULL values |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2184 * <LI> columnNullable - definitely allows NULL values |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2185 * <LI> columnNullableUnknown - nullability unknown |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
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|
2186 * </UL> |
194
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
2187 * <LI><B>REMARKS</B> String => comment describing column (may be null) |
1296dbcc4958
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186
diff
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|
2188 * <LI><B>COLUMN_DEF</B> String => default value (may be null) |
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
2189 * <LI><B>SQL_DATA_TYPE</B> int => unused |
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
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|
2190 * <LI><B>SQL_DATETIME_SUB</B> int => unused |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
2191 * <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
|
2192 * maximum number of bytes in the column |
194
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
2193 * <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
|
2194 * (starting at 1) |
194
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
2195 * <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
|
2196 * 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
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|
2197 * allow NULL values. An empty string means nobody knows. |
194
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
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|
2198 * <LI><B>SCOPE_CATALOG</B> String => catalog of table that is the scope of a reference attribute (null if DATA_TYPE isn't REF) |
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
2199 * <LI><B>SCOPE_SCHEMA</B> String => schema of table that is the scope of a reference attribute (null if the DATA_TYPE isn't REF) |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
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|
2200 * <LI><B>SCOPE_TABLE</B> String => table name that this the scope of a reference attribute (null if the DATA_TYPE isn't REF) |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
2201 * <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
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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|
2202 * <LI><B>IS_AUTOINCREMENT</B> String => Indicates whether this column is auto incremented |
0
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Sjoerd Mullender <sjoerd@acm.org>
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|
2203 * <UL> |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
2204 * <LI> YES --- if the column is auto incremented |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
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|
2205 * <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
|
2206 * <LI> empty string --- if it cannot be determined whether the column is auto incremented |
0
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|
2207 * </UL> |
194
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|
2208 * <LI><B>IS_GENERATEDCOLUMN</B> String => Indicates whether this is a generated column |
0
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|
2209 * <UL> |
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|
2210 * <LI> YES --- if this a generated column |
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|
2211 * <LI> NO --- if this not a generated column |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2212 * <LI> empty string --- if it cannot be determined whether this is a generated column |
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|
2213 * </UL> |
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|
2214 * </OL> |
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|
2215 * |
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|
2216 * @param catalog - a catalog name; must match the catalog name as it is stored in the database; |
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|
2217 * "" retrieves those without a catalog; null means that the |
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|
2218 * catalog name should not be used to narrow the search |
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|
2219 * @param schemaPattern - a schema name pattern; must match the schema name as it is stored |
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|
2220 * in the database; "" retrieves those without a schema; |
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|
2221 * null means that the schema name should not be used to narrow the search |
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|
2222 * @param tableNamePattern - a table name pattern; must match the table name as it is stored in the database |
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diff
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|
2223 * For all tables this should be "%" |
245
55375d489024
Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
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231
diff
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|
2224 * 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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|
2225 * @param columnNamePattern - a column name pattern; must match the column name as it is stored in the database |
245
55375d489024
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diff
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|
2226 * 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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|
2227 * @return ResultSet - each row is a column description |
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|
2228 * @throws SQLException if a database error occurs |
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|
2229 * @see #getSearchStringEscape |
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|
2230 */ |
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|
2231 @Override |
a5a898f6886c
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|
2232 public ResultSet getColumns( |
a5a898f6886c
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|
2233 String catalog, |
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|
2234 String schemaPattern, |
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2235 String tableNamePattern, |
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2236 String columnNamePattern |
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2237 ) throws SQLException |
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2238 { |
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2239 boolean useCommentsTable = ((MonetConnection)con).commentsTableExists(); |
0
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2240 StringBuilder query = new StringBuilder(2450); |
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2241 query.append("SELECT cast(null as char(1)) AS \"TABLE_CAT\", " + |
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|
2242 "\"schemas\".\"name\" AS \"TABLE_SCHEM\", " + |
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|
2243 "\"tables\".\"name\" AS \"TABLE_NAME\", " + |
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|
2244 "\"columns\".\"name\" AS \"COLUMN_NAME\", " + |
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2245 "cast(").append(MonetDriver.getSQLTypeMap("\"columns\".\"type\"")).append(" AS int) AS \"DATA_TYPE\", " + |
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2246 "\"columns\".\"type\" AS \"TYPE_NAME\", " + |
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2247 "\"columns\".\"type_digits\" AS \"COLUMN_SIZE\", " + |
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2248 "0 AS \"BUFFER_LENGTH\", " + |
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2249 "\"columns\".\"type_scale\" AS \"DECIMAL_DIGITS\", " + |
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|
2250 "cast(CASE WHEN \"columns\".\"type\" IN ('decimal', 'numeric', 'sec_interval') THEN 10 " + |
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2251 "WHEN \"columns\".\"type\" IN ('int', 'smallint', 'tinyint', 'bigint', 'hugeint', 'float', 'real', 'double', 'oid', 'wrd') THEN 2 " + |
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2252 "ELSE 0 END AS int) AS \"NUM_PREC_RADIX\", " + |
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2253 "cast(CASE \"null\" WHEN true THEN ").append(ResultSetMetaData.columnNullable) |
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2254 .append(" WHEN false THEN ").append(ResultSetMetaData.columnNoNulls).append(" END AS int) AS \"NULLABLE\", ") |
217
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2255 .append(useCommentsTable ? "\"comments\".\"remark\"" : "cast(null AS varchar(9999))").append(" AS \"REMARKS\", " + |
0
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2256 "\"columns\".\"default\" AS \"COLUMN_DEF\", " + |
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2257 "cast(0 as int) AS \"SQL_DATA_TYPE\", " + |
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2258 "cast(0 as int) AS \"SQL_DATETIME_SUB\", " + |
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2259 "cast(CASE WHEN \"columns\".\"type\" IN ('char','varchar','clob') THEN \"columns\".\"type_digits\" ELSE NULL END as int) AS \"CHAR_OCTET_LENGTH\", " + |
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2260 "cast(\"columns\".\"number\" + 1 as int) AS \"ORDINAL_POSITION\", " + |
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2261 "cast(CASE \"null\" WHEN true THEN 'YES' WHEN false THEN 'NO' ELSE '' END AS varchar(3)) AS \"IS_NULLABLE\", " + |
217
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2262 "cast(null AS char(1)) AS \"SCOPE_CATALOG\", " + |
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2263 "cast(null AS char(1)) AS \"SCOPE_SCHEMA\", " + |
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2264 "cast(null AS char(1)) AS \"SCOPE_TABLE\", " + |
168
70630bc76ac6
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2265 "cast(null AS smallint) AS \"SOURCE_DATA_TYPE\", " + |
0
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2266 "cast(CASE WHEN \"columns\".\"default\" IS NOT NULL AND \"columns\".\"default\" LIKE 'next value for %' THEN 'YES' ELSE 'NO' END AS varchar(3)) AS \"IS_AUTOINCREMENT\", " + |
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2267 "cast('NO' AS varchar(3)) AS \"IS_GENERATEDCOLUMN\" " + |
215
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2268 "FROM \"sys\".\"columns\""); |
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2269 if (useCommentsTable) { |
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2270 query.append(" LEFT OUTER JOIN \"sys\".\"comments\" ON (\"columns\".\"id\" = \"comments\".\"id\")"); |
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2271 } |
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2272 query.append(", \"sys\".\"tables\"" + |
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2273 ", \"sys\".\"schemas\" " + |
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2274 "WHERE \"columns\".\"table_id\" = \"tables\".\"id\"" + |
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2275 " AND \"tables\".\"schema_id\" = \"schemas\".\"id\""); |
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2276 |
216
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2277 if (catalog != null && !catalog.isEmpty()) { |
0
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2278 // none empty catalog selection. |
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|
2279 // as we do not support catalogs this always results in no rows returned |
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2280 query.append(" AND 1 = 0"); |
216
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2281 } else { |
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2282 if (schemaPattern != null) { |
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2283 query.append(" AND \"schemas\".\"name\" ").append(composeMatchPart(schemaPattern)); |
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2284 } |
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2285 if (tableNamePattern != null) { |
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2286 query.append(" AND \"tables\".\"name\" ").append(composeMatchPart(tableNamePattern)); |
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2287 } |
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2288 if (columnNamePattern != null) { |
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2289 query.append(" AND \"columns\".\"name\" ").append(composeMatchPart(columnNamePattern)); |
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2290 } |
0
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2291 } |
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2292 |
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|
2293 query.append(" ORDER BY \"TABLE_SCHEM\", \"TABLE_NAME\", \"ORDINAL_POSITION\""); |
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|
2294 |
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|
2295 return executeMetaDataQuery(query.toString()); |
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2296 } |
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|
2297 |
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2298 /** |
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2299 * Get a description of the access rights for a table's columns. |
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2300 * MonetDB doesn't have this level of access rights. |
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2301 * |
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2302 * <P>Only privileges matching the column name criteria are |
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2303 * returned. They are ordered by COLUMN_NAME and PRIVILEGE. |
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2304 * |
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2305 * <P>Each privilige description has the following columns: |
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2306 * <OL> |
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2307 * <LI><B>TABLE_CAT</B> String => table catalog (may be null) |
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2308 * <LI><B>TABLE_SCHEM</B> String => table schema (may be null) |
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2309 * <LI><B>TABLE_NAME</B> String => table name |
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2310 * <LI><B>COLUMN_NAME</B> String => column name |
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2311 * <LI><B>GRANTOR</B> => grantor of access (may be null) |
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2312 * <LI><B>GRANTEE</B> String => grantee of access |
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2313 * <LI><B>PRIVILEGE</B> String => name of access (SELECT, |
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2314 * INSERT, UPDATE, REFRENCES, ...) |
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2315 * <LI><B>IS_GRANTABLE</B> String => "YES" if grantee is permitted |
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2316 * to grant to others; "NO" if not; null if unknown |
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2317 * </OL> |
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2318 * |
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2319 * @param catalog a catalog name; "" retrieves those without a catalog |
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2320 * @param schemaPattern a schema name; "" retrieves those without a schema |
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2321 * @param tableNamePattern a table name |
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2322 * 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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2323 * @param columnNamePattern a column name pattern |
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2324 * 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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2325 * @return ResultSet each row is a column privilege description |
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2326 * @see #getSearchStringEscape |
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2327 * @throws SQLException if a database error occurs |
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2328 */ |
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2329 @Override |
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|
2330 public ResultSet getColumnPrivileges( |
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|
2331 String catalog, |
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|
2332 String schemaPattern, |
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diff
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|
2333 String tableNamePattern, |
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|
2334 String columnNamePattern |
a5a898f6886c
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|
2335 ) throws SQLException |
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|
2336 { |
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2337 boolean usePrivilege_codesTable = ((MonetConnection)con).privilege_codesTableExists(); |
0
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changeset
|
2338 StringBuilder query = new StringBuilder(1100); |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2339 query.append("SELECT cast(null as char(1)) AS \"TABLE_CAT\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
2340 "\"schemas\".\"name\" AS \"TABLE_SCHEM\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2341 "\"tables\".\"name\" AS \"TABLE_NAME\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
2342 "\"columns\".\"name\" AS \"COLUMN_NAME\", " + |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2343 "\"grantors\".\"name\" AS \"GRANTOR\", " + |
219
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2344 "\"grantees\".\"name\" AS \"GRANTEE\", ") |
4572f0694fde
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|
2345 .append(usePrivilege_codesTable ? "\"privilege_codes\".\"privilege_code_name\"" : |
217
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
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|
2346 "cast(CASE \"privileges\".\"privileges\" " + |
0
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changeset
|
2347 "WHEN 1 THEN 'SELECT' " + |
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2348 "WHEN 2 THEN 'UPDATE' " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2349 "WHEN 4 THEN 'INSERT' " + |
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Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2350 "WHEN 8 THEN 'DELETE' " + |
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Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
2351 "WHEN 16 THEN 'EXECUTE' " + |
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changeset
|
2352 "WHEN 32 THEN 'GRANT' " + |
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|
2353 "ELSE NULL " + |
219
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2354 "END AS varchar(7))").append(" AS \"PRIVILEGE\", " + |
217
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2355 "cast(CASE \"privileges\".\"grantable\" " + |
0
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|
2356 "WHEN 0 THEN 'NO' " + |
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2357 "WHEN 1 THEN 'YES' " + |
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|
2358 "ELSE NULL " + |
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|
2359 "END AS varchar(3)) AS \"IS_GRANTABLE\" " + |
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|
2360 "FROM \"sys\".\"privileges\", " + |
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|
2361 "\"sys\".\"tables\", " + |
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changeset
|
2362 "\"sys\".\"schemas\", " + |
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|
2363 "\"sys\".\"columns\", " + |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2364 "\"sys\".\"auths\" AS \"grantors\", " + |
219
4572f0694fde
Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
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|
2365 "\"sys\".\"auths\" AS \"grantees\" "); |
4572f0694fde
Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
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2366 if (usePrivilege_codesTable) { |
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|
2367 query.append(", \"sys\".\"privilege_codes\" "); |
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Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
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2368 } |
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|
2369 query.append("WHERE \"privileges\".\"obj_id\" = \"columns\".\"id\" " + |
0
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|
2370 "AND \"columns\".\"table_id\" = \"tables\".\"id\" " + |
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changeset
|
2371 "AND \"tables\".\"schema_id\" = \"schemas\".\"id\" " + |
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changeset
|
2372 "AND \"privileges\".\"auth_id\" = \"grantees\".\"id\" " + |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2373 "AND \"privileges\".\"grantor\" = \"grantors\".\"id\""); |
219
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|
2374 if (usePrivilege_codesTable) { |
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Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
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|
2375 query.append(" AND \"privileges\".\"privileges\" = \"privilege_codes\".\"privilege_code_id\""); |
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|
2376 } |
0
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|
2377 |
216
116b5a149fb4
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|
2378 if (catalog != null && !catalog.isEmpty()) { |
0
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|
2379 // none empty catalog selection. |
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|
2380 // as we do not support catalogs this always results in no rows returned |
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|
2381 query.append(" AND 1 = 0"); |
216
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|
2382 } else { |
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|
2383 if (schemaPattern != null) { |
116b5a149fb4
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|
2384 query.append(" AND \"schemas\".\"name\" ").append(composeMatchPart(schemaPattern)); |
116b5a149fb4
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|
2385 } |
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|
2386 if (tableNamePattern != null) { |
116b5a149fb4
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|
2387 query.append(" AND \"tables\".\"name\" ").append(composeMatchPart(tableNamePattern)); |
116b5a149fb4
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|
2388 } |
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|
2389 if (columnNamePattern != null) { |
116b5a149fb4
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|
2390 query.append(" AND \"columns\".\"name\" ").append(composeMatchPart(columnNamePattern)); |
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|
2391 } |
0
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|
2392 } |
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|
2393 |
a5a898f6886c
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|
2394 query.append(" ORDER BY \"TABLE_SCHEM\", \"TABLE_NAME\", \"COLUMN_NAME\", \"PRIVILEGE\""); |
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|
2395 |
a5a898f6886c
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|
2396 return executeMetaDataQuery(query.toString()); |
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|
2397 } |
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|
2398 |
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|
2399 /** |
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|
2400 * Get a description of the access rights for each table available |
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2401 * in a catalog. |
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2402 * |
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2403 * <P>Only privileges matching the schema and table name |
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2404 * criteria are returned. They are ordered by TABLE_SCHEM, |
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|
2405 * TABLE_NAME, and PRIVILEGE. |
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2406 * |
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2407 * <P>Each privilege description has the following columns: |
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2408 * <OL> |
194
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2409 * <LI><B>TABLE_CAT</B> String => table catalog (may be null) |
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2410 * <LI><B>TABLE_SCHEM</B> String => table schema (may be null) |
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2411 * <LI><B>TABLE_NAME</B> String => table name |
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2412 * <LI><B>GRANTOR</B> => grantor of access (may be null) |
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2413 * <LI><B>GRANTEE</B> String => grantee of access |
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2414 * <LI><B>PRIVILEGE</B> String => name of access (SELECT, |
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2415 * INSERT, UPDATE, REFRENCES, ...) |
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2416 * <LI><B>IS_GRANTABLE</B> String => "YES" if grantee is permitted |
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2417 * to grant to others; "NO" if not; null if unknown |
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2418 * </OL> |
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2419 * |
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2420 * @param catalog a catalog name; "" retrieves those without a catalog |
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2421 * @param schemaPattern a schema name pattern; "" retrieves those without a schema |
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2422 * @param tableNamePattern a table name pattern |
245
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2423 * 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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2424 * @return ResultSet each row is a table privilege description |
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2425 * @see #getSearchStringEscape |
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2426 * @throws SQLException if a database error occurs |
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2427 */ |
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|
2428 @Override |
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|
2429 public ResultSet getTablePrivileges( |
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2430 String catalog, |
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diff
changeset
|
2431 String schemaPattern, |
a5a898f6886c
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parents:
diff
changeset
|
2432 String tableNamePattern |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2433 ) throws SQLException |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2434 { |
219
4572f0694fde
Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
2435 boolean usePrivilege_codesTable = ((MonetConnection)con).privilege_codesTableExists(); |
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2436 StringBuilder query = new StringBuilder(1000); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2437 query.append("SELECT cast(null as char(1)) AS \"TABLE_CAT\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2438 "\"schemas\".\"name\" AS \"TABLE_SCHEM\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2439 "\"tables\".\"name\" AS \"TABLE_NAME\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2440 "\"grantors\".\"name\" AS \"GRANTOR\", " + |
219
4572f0694fde
Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
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diff
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|
2441 "\"grantees\".\"name\" AS \"GRANTEE\", ") |
4572f0694fde
Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
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diff
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|
2442 .append(usePrivilege_codesTable ? "\"privilege_codes\".\"privilege_code_name\"" : |
217
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
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216
diff
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|
2443 "cast(CASE \"privileges\".\"privileges\" " + |
0
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changeset
|
2444 "WHEN 1 THEN 'SELECT' " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2445 "WHEN 2 THEN 'UPDATE' " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2446 "WHEN 4 THEN 'INSERT' " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2447 "WHEN 8 THEN 'DELETE' " + |
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2448 "WHEN 16 THEN 'EXECUTE' " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2449 "WHEN 32 THEN 'GRANT' " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2450 "ELSE NULL " + |
219
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|
2451 "END AS varchar(7))").append(" AS \"PRIVILEGE\", " + |
217
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|
2452 "cast(CASE \"privileges\".\"grantable\" " + |
0
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changeset
|
2453 "WHEN 0 THEN 'NO' " + |
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
2454 "WHEN 1 THEN 'YES' " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
2455 "ELSE NULL " + |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2456 "END AS varchar(3)) AS \"IS_GRANTABLE\" " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2457 "FROM \"sys\".\"privileges\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2458 "\"sys\".\"tables\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
2459 "\"sys\".\"schemas\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2460 "\"sys\".\"auths\" AS \"grantors\", " + |
219
4572f0694fde
Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
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changeset
|
2461 "\"sys\".\"auths\" AS \"grantees\" "); |
4572f0694fde
Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
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diff
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|
2462 if (usePrivilege_codesTable) { |
4572f0694fde
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diff
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|
2463 query.append(", \"sys\".\"privilege_codes\" "); |
4572f0694fde
Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
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diff
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|
2464 } |
4572f0694fde
Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
2465 query.append("WHERE \"privileges\".\"obj_id\" = \"tables\".\"id\" " + |
0
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parents:
diff
changeset
|
2466 "AND \"tables\".\"schema_id\" = \"schemas\".\"id\" " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2467 "AND \"privileges\".\"auth_id\" = \"grantees\".\"id\" " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2468 "AND \"privileges\".\"grantor\" = \"grantors\".\"id\""); |
219
4572f0694fde
Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
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diff
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|
2469 if (usePrivilege_codesTable) { |
4572f0694fde
Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
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|
2470 query.append(" AND \"privileges\".\"privileges\" = \"privilege_codes\".\"privilege_code_id\""); |
4572f0694fde
Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
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|
2471 } |
0
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|
2472 |
216
116b5a149fb4
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
2473 if (catalog != null && !catalog.isEmpty()) { |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
2474 // none empty catalog selection. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2475 // as we do not support catalogs this always results in no rows returned |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2476 query.append(" AND 1 = 0"); |
216
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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215
diff
changeset
|
2477 } else { |
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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|
2478 if (schemaPattern != null) { |
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
|
2479 query.append(" AND \"schemas\".\"name\" ").append(composeMatchPart(schemaPattern)); |
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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|
2480 } |
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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|
2481 if (tableNamePattern != null) { |
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
|
2482 query.append(" AND \"tables\".\"name\" ").append(composeMatchPart(tableNamePattern)); |
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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|
2483 } |
0
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diff
changeset
|
2484 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
2485 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2486 query.append(" ORDER BY \"TABLE_SCHEM\", \"TABLE_NAME\", \"PRIVILEGE\""); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
2487 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2488 return executeMetaDataQuery(query.toString()); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2489 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2490 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2491 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2492 * Get a description of a table's optimal set of columns that |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2493 * uniquely identifies a row. They are ordered by SCOPE. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2494 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2495 * <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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|
2496 * <OL> |
194
1296dbcc4958
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|
2497 * <LI><B>SCOPE</B> short => actual scope of result |
0
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changeset
|
2498 * <UL> |
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Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2499 * <LI> bestRowTemporary - very temporary, while using row |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2500 * <LI> bestRowTransaction - valid for remainder of current transaction |
a5a898f6886c
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changeset
|
2501 * <LI> bestRowSession - valid for remainder of current session |
a5a898f6886c
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|
2502 * </UL> |
194
1296dbcc4958
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186
diff
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|
2503 * <LI><B>COLUMN_NAME</B> String => column name |
1296dbcc4958
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186
diff
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|
2504 * <LI><B>DATA_TYPE</B> int => SQL data type from java.sql.Types |
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186
diff
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|
2505 * <LI><B>TYPE_NAME</B> String => Data source dependent type name |
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|
2506 * <LI><B>COLUMN_SIZE</B> int => precision |
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|
2507 * <LI><B>BUFFER_LENGTH</B> int => not used |
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186
diff
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|
2508 * <LI><B>DECIMAL_DIGITS</B> short => scale |
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186
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|
2509 * <LI><B>PSEUDO_COLUMN</B> short => is this a pseudo column |
0
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|
2510 * like an Oracle ROWID |
a5a898f6886c
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parents:
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|
2511 * <UL> |
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diff
changeset
|
2512 * <LI> bestRowUnknown - may or may not be pseudo column |
a5a898f6886c
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|
2513 * <LI> bestRowNotPseudo - is NOT a pseudo column |
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|
2514 * <LI> bestRowPseudo - is a pseudo column |
a5a898f6886c
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|
2515 * </UL> |
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|
2516 * </OL> |
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|
2517 * |
a5a898f6886c
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|
2518 * @param catalog a catalog name; "" retrieves those without a catalog |
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|
2519 * @param schema a schema name; "" retrieves those without a schema |
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|
2520 * @param table a table name |
245
55375d489024
Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
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|
2521 * 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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|
2522 * @param scope the scope of interest; use same values as SCOPE |
a5a898f6886c
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|
2523 * @param nullable include columns that are nullable? |
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|
2524 * @return ResultSet each row is a column description |
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|
2525 * @throws SQLException if a database error occurs |
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|
2526 */ |
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|
2527 @Override |
a5a898f6886c
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changeset
|
2528 public ResultSet getBestRowIdentifier( |
a5a898f6886c
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diff
changeset
|
2529 String catalog, |
a5a898f6886c
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changeset
|
2530 String schema, |
a5a898f6886c
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diff
changeset
|
2531 String table, |
a5a898f6886c
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diff
changeset
|
2532 int scope, |
a5a898f6886c
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diff
changeset
|
2533 boolean nullable |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2534 ) throws SQLException |
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2535 { |
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2536 StringBuilder query = new StringBuilder(1500); |
217
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
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diff
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|
2537 query.append("SELECT cast(").append(DatabaseMetaData.bestRowSession).append(" AS smallint) AS \"SCOPE\", " + |
0
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parents:
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changeset
|
2538 "\"columns\".\"name\" AS \"COLUMN_NAME\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2539 "cast(").append(MonetDriver.getSQLTypeMap("\"columns\".\"type\"")).append(" AS int) AS \"DATA_TYPE\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2540 "\"columns\".\"type\" AS \"TYPE_NAME\", " + |
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Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
2541 "\"columns\".\"type_digits\" AS \"COLUMN_SIZE\", " + |
217
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|
2542 "cast(0 as int) AS \"BUFFER_LENGTH\", " + |
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Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
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|
2543 "cast(\"columns\".\"type_scale\" AS smallint) AS \"DECIMAL_DIGITS\", " + |
7cbd20ff628c
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|
2544 "cast(").append(DatabaseMetaData.bestRowNotPseudo).append(" AS smallint) AS \"PSEUDO_COLUMN\" " + |
0
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parents:
diff
changeset
|
2545 "FROM \"sys\".\"keys\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2546 "\"sys\".\"objects\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2547 "\"sys\".\"columns\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2548 "\"sys\".\"tables\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2549 "\"sys\".\"schemas\" " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2550 "WHERE \"keys\".\"id\" = \"objects\".\"id\" " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2551 "AND \"keys\".\"table_id\" = \"tables\".\"id\" " + |
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2552 "AND \"keys\".\"table_id\" = \"columns\".\"table_id\" " + |
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2553 "AND \"objects\".\"name\" = \"columns\".\"name\" " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2554 "AND \"tables\".\"schema_id\" = \"schemas\".\"id\" " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2555 "AND \"keys\".\"type\" IN (0, 1)"); // only primary keys (type = 0) and unique keys (type = 1), not fkeys (type = 2) |
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|
2556 |
216
116b5a149fb4
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|
2557 if (catalog != null && !catalog.isEmpty()) { |
0
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parents:
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changeset
|
2558 // none empty catalog selection. |
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2559 // as we do not support catalogs this always results in no rows returned |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
2560 query.append(" AND 1 = 0"); |
216
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
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215
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|
2561 } else { |
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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|
2562 if (scope != DatabaseMetaData.bestRowSession |
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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215
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|
2563 && scope != DatabaseMetaData.bestRowTransaction |
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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|
2564 && scope != DatabaseMetaData.bestRowTemporary) { |
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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|
2565 query.append(" AND 1 = 0"); |
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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|
2566 } else { |
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
|
2567 if (schema != null) { |
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
|
2568 query.append(" AND \"schemas\".\"name\" ").append(composeMatchPart(schema)); |
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
|
2569 } |
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
|
2570 if (table != null) { |
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
|
2571 query.append(" AND \"tables\".\"name\" ").append(composeMatchPart(table)); |
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
|
2572 } |
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
|
2573 if (!nullable) { |
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
|
2574 query.append(" AND \"columns\".\"null\" = false"); |
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
|
2575 } |
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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|
2576 } |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2577 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2578 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2579 query.append(" ORDER BY \"keys\".\"type\", \"columns\".\"name\""); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2580 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2581 return executeMetaDataQuery(query.toString()); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2582 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2583 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2584 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2585 * 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
|
2586 * updated when any value in a row is updated. They are unordered. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2587 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2588 * <P>Each column description has the following columns: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2589 * <OL> |
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
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|
2590 * <LI><B>SCOPE</B> short => is not used |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
2591 * <LI><B>COLUMN_NAME</B> String => column name |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
2592 * <LI><B>DATA_TYPE</B> int => SQL data type from java.sql.Types |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
2593 * <LI><B>TYPE_NAME</B> String => Data source dependent type name |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
2594 * <LI><B>COLUMN_SIZE</B> int => precision |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
2595 * <LI><B>BUFFER_LENGTH</B> int => length of column value in bytes |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
2596 * <LI><B>DECIMAL_DIGITS</B> short => scale |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
changeset
|
2597 * <LI><B>PSEUDO_COLUMN</B> short => is this a pseudo column like an Oracle ROWID |
0
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2598 * <UL> |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2599 * <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
|
2600 * <LI> versionColumnNotPseudo - is NOT a pseudo column |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2601 * <LI> versionColumnPseudo - is a pseudo column |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2602 * </UL> |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2603 * </OL> |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2604 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2605 * @param catalog a catalog name; "" retrieves those without a catalog |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2606 * @param schema a schema name; "" retrieves those without a schema |
a5a898f6886c
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|
2607 * @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
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|
2608 * Note that our implementation allows this param to be null also (for efficiency as no extra LIKE "%" condition is added to be evaluated). |
0
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changeset
|
2609 * @return ResultSet each row is a column description |
a5a898f6886c
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parents:
diff
changeset
|
2610 * @throws SQLException if a database error occurs |
a5a898f6886c
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diff
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|
2611 */ |
a5a898f6886c
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diff
changeset
|
2612 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2613 public ResultSet getVersionColumns( |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2614 String catalog, |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2615 String schema, |
a5a898f6886c
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diff
changeset
|
2616 String table |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2617 ) throws SQLException |
a5a898f6886c
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diff
changeset
|
2618 { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2619 // MonetDB currently does not have columns which update themselves, so return an empty ResultSet |
a5a898f6886c
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|
2620 String query = |
217
7cbd20ff628c
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|
2621 "SELECT cast(0 as smallint) AS \"SCOPE\", " + |
7cbd20ff628c
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|
2622 "cast(null as char(1)) AS \"COLUMN_NAME\", " + |
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
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|
2623 "cast(0 as int) AS \"DATA_TYPE\", " + |
7cbd20ff628c
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216
diff
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|
2624 "cast(null as char(1)) AS \"TYPE_NAME\", " + |
7cbd20ff628c
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216
diff
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|
2625 "cast(0 as int) AS \"COLUMN_SIZE\", " + |
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
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|
2626 "cast(0 as int) AS \"BUFFER_LENGTH\", " + |
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|
2627 "cast(0 as smallint) AS \"DECIMAL_DIGITS\", " + |
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|
2628 "cast(0 as smallint) AS \"PSEUDO_COLUMN\" " + |
0
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changeset
|
2629 "WHERE 1 = 0"; |
a5a898f6886c
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|
2630 |
a5a898f6886c
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diff
changeset
|
2631 return executeMetaDataQuery(query); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2632 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
2633 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
2634 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2635 * Get a description of a table's primary key columns. They |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2636 * are ordered by COLUMN_NAME. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2637 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2638 * <P>Each column description has the following columns: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2639 * <OL> |
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
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|
2640 * <LI><B>TABLE_CAT</B> String => table catalog (may be null) |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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186
diff
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|
2641 * <LI><B>TABLE_SCHEM</B> String => table schema (may be null) |
1296dbcc4958
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186
diff
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|
2642 * <LI><B>TABLE_NAME</B> String => table name |
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
2643 * <LI><B>COLUMN_NAME</B> String => column name |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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parents:
186
diff
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|
2644 * <LI><B>KEY_SEQ</B> short => sequence number within primary key |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
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|
2645 * <LI><B>PK_NAME</B> String => primary key name (may be null) |
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2646 * </OL> |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2647 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
2648 * @param catalog a catalog name; "" retrieves those without a catalog |
245
55375d489024
Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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231
diff
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|
2649 * @param schema a schema name pattern; "" retrieves those without a schema |
0
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|
2650 * @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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|
2651 * Note that our implementation allows this param to be null also (for efficiency as no extra LIKE "%" condition is added to be evaluated). |
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2652 * @return ResultSet each row is a primary key column description |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2653 * @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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|
2654 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2655 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2656 public ResultSet getPrimaryKeys( |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2657 String catalog, |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2658 String schema, |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2659 String table |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2660 ) throws SQLException |
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Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2661 { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2662 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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diff
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|
2663 query.append("SELECT cast(null AS char(1)) AS \"TABLE_CAT\", " + |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2664 "\"schemas\".\"name\" AS \"TABLE_SCHEM\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2665 "\"tables\".\"name\" AS \"TABLE_NAME\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2666 "\"objects\".\"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>
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216
diff
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|
2667 "cast(1 + \"objects\".\"nr\" AS smallint) AS \"KEY_SEQ\", " + |
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2668 " \"keys\".\"name\" AS \"PK_NAME\" " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2669 "FROM \"sys\".\"keys\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2670 "\"sys\".\"objects\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2671 "\"sys\".\"tables\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2672 "\"sys\".\"schemas\" " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2673 "WHERE \"keys\".\"id\" = \"objects\".\"id\" " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2674 "AND \"keys\".\"table_id\" = \"tables\".\"id\" " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2675 "AND \"tables\".\"schema_id\" = \"schemas\".\"id\" " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2676 "AND \"keys\".\"type\" = 0"); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2677 |
216
116b5a149fb4
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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215
diff
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|
2678 if (catalog != null && !catalog.isEmpty()) { |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2679 // none empty catalog selection. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2680 // as we do not support catalogs this always results in no rows returned |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2681 query.append(" AND 1 = 0"); |
216
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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215
diff
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|
2682 } else { |
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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|
2683 if (schema != null) { |
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
215
diff
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|
2684 query.append(" AND \"schemas\".\"name\" ").append(composeMatchPart(schema)); |
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
|
2685 } |
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
|
2686 if (table != null) { |
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
|
2687 query.append(" AND \"tables\".\"name\" ").append(composeMatchPart(table)); |
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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|
2688 } |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2689 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2690 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2691 query.append(" ORDER BY \"TABLE_SCHEM\", \"TABLE_NAME\", \"COLUMN_NAME\""); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
2692 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2693 return executeMetaDataQuery(query.toString()); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2694 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2695 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
2696 |
186
4767b005a531
Making variables private where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
177
diff
changeset
|
2697 private static final String keyQuery = |
217
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
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216
diff
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|
2698 "SELECT cast(null AS char(1)) AS \"PKTABLE_CAT\", " + |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2699 "\"pkschema\".\"name\" AS \"PKTABLE_SCHEM\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2700 "\"pktable\".\"name\" AS \"PKTABLE_NAME\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
2701 "\"pkkeycol\".\"name\" AS \"PKCOLUMN_NAME\", " + |
217
7cbd20ff628c
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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216
diff
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|
2702 "cast(null AS char(1)) AS \"FKTABLE_CAT\", " + |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2703 "\"fkschema\".\"name\" AS \"FKTABLE_SCHEM\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2704 "\"fktable\".\"name\" AS \"FKTABLE_NAME\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2705 "\"fkkeycol\".\"name\" AS \"FKCOLUMN_NAME\", " + |
217
7cbd20ff628c
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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216
diff
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|
2706 "cast(1 + \"pkkeycol\".\"nr\" AS smallint) AS \"KEY_SEQ\", " + |
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2707 DatabaseMetaData.importedKeyNoAction + " AS \"UPDATE_RULE\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2708 DatabaseMetaData.importedKeyNoAction + " AS \"DELETE_RULE\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
2709 "\"fkkey\".\"name\" AS \"FK_NAME\", " + |
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Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
2710 "\"pkkey\".\"name\" AS \"PK_NAME\", " + |
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
2711 DatabaseMetaData.importedKeyNotDeferrable + " AS \"DEFERRABILITY\" " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
2712 "FROM \"sys\".\"keys\" AS \"fkkey\", " + |
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Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2713 "\"sys\".\"keys\" AS \"pkkey\", " + |
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Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2714 "\"sys\".\"objects\" AS \"fkkeycol\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2715 "\"sys\".\"objects\" AS \"pkkeycol\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2716 "\"sys\".\"tables\" AS \"fktable\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2717 "\"sys\".\"tables\" AS \"pktable\", " + |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2718 "\"sys\".\"schemas\" AS \"fkschema\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2719 "\"sys\".\"schemas\" AS \"pkschema\" " + |
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|
2720 "WHERE \"fktable\".\"id\" = \"fkkey\".\"table_id\"" + |
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|
2721 " AND \"pktable\".\"id\" = \"pkkey\".\"table_id\"" + |
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|
2722 " AND \"fkkey\".\"id\" = \"fkkeycol\".\"id\"" + |
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|
2723 " AND \"pkkey\".\"id\" = \"pkkeycol\".\"id\"" + |
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|
2724 " AND \"fkschema\".\"id\" = \"fktable\".\"schema_id\"" + |
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|
2725 " AND \"pkschema\".\"id\" = \"pktable\".\"schema_id\"" + |
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|
2726 " AND \"fkkey\".\"rkey\" > -1" + |
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changeset
|
2727 " AND \"fkkey\".\"rkey\" = \"pkkey\".\"id\"" + |
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|
2728 " AND \"fkkeycol\".\"nr\" = \"pkkeycol\".\"nr\""; |
a5a898f6886c
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|
2729 |
a5a898f6886c
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changeset
|
2730 /** |
a5a898f6886c
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changeset
|
2731 * Get a description of the primary key columns that are |
a5a898f6886c
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diff
changeset
|
2732 * referenced by a table's foreign key columns (the primary keys |
a5a898f6886c
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parents:
diff
changeset
|
2733 * imported by a table). They are ordered by PKTABLE_CAT, |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2734 * PKTABLE_SCHEM, PKTABLE_NAME, and KEY_SEQ. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2735 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2736 * <P>Each primary key column description has the following columns: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2737 * <OL> |
194
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186
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|
2738 * <LI><B>PKTABLE_CAT</B> String => primary key table catalog |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2739 * being imported (may be null) |
194
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186
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|
2740 * <LI><B>PKTABLE_SCHEM</B> String => primary key table schema |
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2741 * being imported (may be null) |
194
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186
diff
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|
2742 * <LI><B>PKTABLE_NAME</B> String => primary key table name |
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
2743 * being imported |
194
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186
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|
2744 * <LI><B>PKCOLUMN_NAME</B> String => primary key column name |
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2745 * being imported |
194
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186
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|
2746 * <LI><B>FKTABLE_CAT</B> String => foreign key table catalog (may be null) |
1296dbcc4958
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186
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|
2747 * <LI><B>FKTABLE_SCHEM</B> String => foreign key table schema (may be null) |
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186
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|
2748 * <LI><B>FKTABLE_NAME</B> String => foreign key table name |
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186
diff
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|
2749 * <LI><B>FKCOLUMN_NAME</B> String => foreign key column name |
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186
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|
2750 * <LI><B>KEY_SEQ</B> short => sequence number within foreign key |
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2751 * (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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186
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|
2752 * <LI><B>UPDATE_RULE</B> short => What happens to |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2753 * foreign key when primary is updated: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2754 * <UL> |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2755 * <LI> importedKeyNoAction - do not allow update of primary key if it has been imported |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2756 * <LI> importedKeyCascade - change imported key to agree |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2757 * with primary key update |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2758 * <LI> importedKeyRestrict - do not allow update of primary |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2759 * key if it has been imported |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2760 * <LI> importedKeySetNull - change imported key to NULL if |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2761 * its primary key has been updated |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2762 * </UL> |
194
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|
2763 * <LI><B>DELETE_RULE</B> short => What happens to |
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2764 * the foreign key when primary is deleted. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2765 * <UL> |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2766 * <LI> importedKeyNoAction - do not allow delete of primary key if it has been imported |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2767 * <LI> importedKeyCascade - delete rows that import a deleted key |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2768 * <LI> importedKeyRestrict - do not allow delete of primary |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2769 * key if it has been imported |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2770 * <LI> importedKeySetNull - change imported key to NULL if |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2771 * its primary key has been deleted |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2772 * </UL> |
194
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186
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|
2773 * <LI><B>FK_NAME</B> String => foreign key name (may be null) |
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186
diff
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|
2774 * <LI><B>PK_NAME</B> String => primary key name (may be null) |
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186
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|
2775 * <LI><B>DEFERRABILITY</B> short => can the evaluation of foreign key constraints be deferred until commit |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
2776 * <UL> |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2777 * <LI> importedKeyInitiallyDeferred - see SQL92 for definition |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2778 * <LI> importedKeyInitiallyImmediate - see SQL92 for definition |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2779 * <LI> importedKeyNotDeferrable - see SQL92 for definition |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2780 * </UL> |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2781 * </OL> |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2782 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
2783 * @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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|
2784 * @param schema a schema name pattern; "" retrieves those without a schema |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2785 * @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
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|
2786 * 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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|
2787 * @return ResultSet each row is a primary key column description |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2788 * @see #getExportedKeys |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2789 * @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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|
2790 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2791 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2792 public ResultSet getImportedKeys(String catalog, String schema, String table) |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2793 throws SQLException |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2794 { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2795 StringBuilder query = new StringBuilder(keyQuery.length() + 250); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2796 query.append(keyQuery); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2797 |
216
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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215
diff
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|
2798 if (catalog != null && !catalog.isEmpty()) { |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2799 // none empty catalog selection. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2800 // as we do not support catalogs this always results in no rows returned |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2801 query.append(" AND 1 = 0"); |
216
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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215
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|
2802 } else { |
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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|
2803 if (schema != null) { |
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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|
2804 query.append(" AND \"fkschema\".\"name\" ").append(composeMatchPart(schema)); |
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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|
2805 } |
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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|
2806 if (table != null) { |
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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|
2807 query.append(" AND \"fktable\".\"name\" ").append(composeMatchPart(table)); |
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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|
2808 } |
0
a5a898f6886c
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|
2809 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2810 |
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
2811 query.append(" ORDER BY \"PKTABLE_SCHEM\", \"PKTABLE_NAME\", \"PK_NAME\", \"KEY_SEQ\""); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2812 |
a5a898f6886c
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parents:
diff
changeset
|
2813 return executeMetaDataQuery(query.toString()); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2814 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2815 |
a5a898f6886c
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|
2816 /** |
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Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2817 * Get a description of a foreign key columns that reference a |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2818 * 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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|
2819 * They are ordered by FKTABLE_CAT, FKTABLE_SCHEM, FKTABLE_NAME, and KEY_SEQ. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2820 * |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2821 * <P>Each foreign key column description has the following columns: |
a5a898f6886c
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|
2822 * <OL> |
194
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|
2823 * <LI><B>PKTABLE_CAT</B> String => primary key table catalog (may be null) |
1296dbcc4958
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|
2824 * <LI><B>PKTABLE_SCHEM</B> String => primary key table schema (may be null) |
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|
2825 * <LI><B>PKTABLE_NAME</B> String => primary key table name |
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|
2826 * <LI><B>PKCOLUMN_NAME</B> String => primary key column name |
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|
2827 * <LI><B>FKTABLE_CAT</B> String => foreign key table catalog (may be null) |
0
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|
2828 * being exported (may be null) |
194
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|
2829 * <LI><B>FKTABLE_SCHEM</B> String => foreign key table schema (may be null) |
0
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|
2830 * being exported (may be null) |
194
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|
2831 * <LI><B>FKTABLE_NAME</B> String => foreign key table name |
0
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|
2832 * being exported |
194
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|
2833 * <LI><B>FKCOLUMN_NAME</B> String => foreign key column name |
0
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|
2834 * being exported |
194
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|
2835 * <LI><B>KEY_SEQ</B> short => sequence number within foreign key |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
2836 * (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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186
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|
2837 * <LI><B>UPDATE_RULE</B> short => What happens to |
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2838 * foreign key when primary is updated: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2839 * <UL> |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2840 * <LI> importedKeyNoAction - do not allow update of primary key if it has been imported |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2841 * <LI> importedKeyCascade - change imported key to agree |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2842 * with primary key update |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2843 * <LI> importedKeyRestrict - do not allow update of primary |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2844 * key if it has been imported |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2845 * <LI> importedKeySetNull - change imported key to NULL if |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2846 * its primary key has been updated |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2847 * </UL> |
194
1296dbcc4958
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186
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|
2848 * <LI><B>DELETE_RULE</B> short => What happens to |
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2849 * the foreign key when primary is deleted. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2850 * <UL> |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2851 * <LI> importedKeyNoAction - do not allow delete of primary key if it has been imported |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2852 * <LI> importedKeyCascade - delete rows that import a deleted key |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2853 * <LI> importedKeyRestrict - do not allow delete of primary |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2854 * key if it has been imported |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2855 * <LI> importedKeySetNull - change imported key to NULL if |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2856 * its primary key has been deleted |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2857 * </UL> |
194
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2858 * <LI><B>FK_NAME</B> String => foreign key identifier (may be null) |
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|
2859 * <LI><B>PK_NAME</B> String => primary key identifier (may be null) |
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2860 * <LI><B>DEFERRABILITY</B> short => can the evaluation of foreign key constraints be deferred until commit |
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2861 * <UL> |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2862 * <LI> importedKeyInitiallyDeferred - see SQL92 for definition |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2863 * <LI> importedKeyInitiallyImmediate - see SQL92 for definition |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
2864 * <LI> importedKeyNotDeferrable - see SQL92 for definition |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2865 * </UL> |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
2866 * </OL> |
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2867 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
2868 * @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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|
2869 * @param schema a schema name pattern; "" retrieves those without a schema |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
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|
2870 * @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
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|
2871 * Note that our implementation allows this param to be null also (for efficiency as no extra LIKE "%" condition is added to be evaluated). |
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2872 * @return ResultSet each row is a foreign key column description |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2873 * @see #getImportedKeys |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2874 * @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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|
2875 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2876 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2877 public ResultSet getExportedKeys(String catalog, String schema, String table) |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2878 throws SQLException |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2879 { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2880 StringBuilder query = new StringBuilder(keyQuery.length() + 250); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2881 query.append(keyQuery); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2882 |
216
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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215
diff
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|
2883 if (catalog != null && !catalog.isEmpty()) { |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2884 // none empty catalog selection. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2885 // as we do not support catalogs this always results in no rows returned |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
2886 query.append(" AND 1 = 0"); |
216
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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215
diff
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|
2887 } else { |
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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215
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|
2888 if (schema != null) { |
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
215
diff
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|
2889 query.append(" AND \"pkschema\".\"name\" ").append(composeMatchPart(schema)); |
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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|
2890 } |
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
215
diff
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|
2891 if (table != null) { |
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
215
diff
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|
2892 query.append(" AND \"pktable\".\"name\" ").append(composeMatchPart(table)); |
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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|
2893 } |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2894 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2895 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2896 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
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|
2897 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2898 return executeMetaDataQuery(query.toString()); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2899 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2900 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2901 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2902 * 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
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|
2903 * table that reference the primary key columns of the primary key |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2904 * 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
|
2905 * 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
|
2906 * (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
|
2907 * 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
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|
2908 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2909 * <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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|
2910 * <OL> |
194
1296dbcc4958
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|
2911 * <LI><B>PKTABLE_CAT</B> String => primary key table catalog (may be null) |
1296dbcc4958
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|
2912 * <LI><B>PKTABLE_SCHEM</B> String => primary key table schema (may be null) |
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|
2913 * <LI><B>PKTABLE_NAME</B> String => primary key table name |
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|
2914 * <LI><B>PKCOLUMN_NAME</B> String => primary key column name |
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|
2915 * <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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|
2916 * being exported (may be null) |
194
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|
2917 * <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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|
2918 * being exported (may be null) |
194
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|
2919 * <LI><B>FKTABLE_NAME</B> String => foreign key table name |
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2920 * being exported |
194
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|
2921 * <LI><B>FKCOLUMN_NAME</B> String => foreign key column name |
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2922 * being exported |
194
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2923 * <LI><B>KEY_SEQ</B> short => sequence number within foreign key |
0
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|
2924 * (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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2925 * <LI><B>UPDATE_RULE</B> short => What happens to |
0
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Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
2926 * foreign key when primary is updated: |
a5a898f6886c
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|
2927 * <UL> |
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|
2928 * <LI> importedKeyNoAction - do not allow update of primary key if it has been imported |
a5a898f6886c
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|
2929 * <LI> importedKeyCascade - change imported key to agree |
a5a898f6886c
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|
2930 * with primary key update |
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|
2931 * <LI> importedKeyRestrict - do not allow update of primary |
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|
2932 * key if it has been imported |
a5a898f6886c
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|
2933 * <LI> importedKeySetNull - change imported key to NULL if |
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|
2934 * its primary key has been updated |
a5a898f6886c
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|
2935 * </UL> |
194
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|
2936 * <LI><B>DELETE_RULE</B> short => What happens to |
0
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parents:
diff
changeset
|
2937 * the foreign key when primary is deleted. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2938 * <UL> |
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changeset
|
2939 * <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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|
2940 * <LI> importedKeyCascade - delete rows that import a deleted key |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
2941 * <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
|
2942 * key if it has been imported |
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2943 * <LI> importedKeySetNull - change imported key to NULL if |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2944 * its primary key has been deleted |
a5a898f6886c
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2945 * </UL> |
194
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2946 * <LI><B>FK_NAME</B> String => foreign key identifier (may be null) |
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2947 * <LI><B>PK_NAME</B> String => primary key identifier (may be null) |
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|
2948 * <LI><B>DEFERRABILITY</B> short => can the evaluation of foreign key constraints be deferred until commit |
0
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parents:
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|
2949 * <UL> |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2950 * <LI> importedKeyInitiallyDeferred - see SQL92 for definition |
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
2951 * <LI> importedKeyInitiallyImmediate - see SQL92 for definition |
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2952 * <LI> importedKeyNotDeferrable - see SQL92 for definition |
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2953 * </UL> |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2954 * </OL> |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2955 * |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2956 * @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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|
2957 * @param pschema primary key schema name pattern; "" retrieves those without a schema |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2958 * @param ptable primary key table name |
245
55375d489024
Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
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2959 * 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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|
2960 * @param fcatalog foreign key catalog name; "" retrieves those without a catalog |
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parents:
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|
2961 * @param fschema foreign key schema name pattern; "" retrieves those without a schema |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2962 * @param ftable koreign key table name |
245
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2963 * 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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|
2964 * @return ResultSet each row is a foreign key column description |
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2965 * @throws SQLException if a database error occurs |
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2966 * @see #getImportedKeys |
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|
2967 */ |
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2968 @Override |
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|
2969 public ResultSet getCrossReference( |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2970 String pcatalog, |
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|
2971 String pschema, |
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|
2972 String ptable, |
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|
2973 String fcatalog, |
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|
2974 String fschema, |
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|
2975 String ftable |
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|
2976 ) throws SQLException |
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|
2977 { |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2978 StringBuilder query = new StringBuilder(keyQuery.length() + 350); |
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|
2979 query.append(keyQuery); |
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|
2980 |
216
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|
2981 if ((pcatalog != null && !pcatalog.isEmpty()) |
116b5a149fb4
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|
2982 || (fcatalog != null && !fcatalog.isEmpty())) { |
0
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|
2983 // none empty catalog selection. |
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|
2984 // as we do not support catalogs this always results in no rows returned |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2985 query.append(" AND 1 = 0"); |
216
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|
2986 } else { |
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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|
2987 if (pschema != null) { |
116b5a149fb4
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|
2988 query.append(" AND \"pkschema\".\"name\" ").append(composeMatchPart(pschema)); |
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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|
2989 } |
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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|
2990 if (ptable != null) { |
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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|
2991 query.append(" AND \"pktable\".\"name\" ").append(composeMatchPart(ptable)); |
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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|
2992 } |
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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|
2993 |
116b5a149fb4
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diff
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|
2994 if (fschema != null) { |
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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215
diff
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|
2995 query.append(" AND \"fkschema\".\"name\" ").append(composeMatchPart(fschema)); |
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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|
2996 } |
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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|
2997 if (ftable != null) { |
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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|
2998 query.append(" AND \"fktable\".\"name\" ").append(composeMatchPart(ftable)); |
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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|
2999 } |
0
a5a898f6886c
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diff
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|
3000 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3001 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3002 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>
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|
3003 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3004 return executeMetaDataQuery(query.toString()); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
3005 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
3006 |
a5a898f6886c
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changeset
|
3007 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
3008 * Get a description of all the SQL data types supported by |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
3009 * this database. They are ordered by DATA_TYPE and then by how |
a5a898f6886c
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|
3010 * closely the data type maps to the corresponding JDBC SQL type. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
3011 * |
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Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
3012 * If the database supports SQL distinct types, then getTypeInfo() will |
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Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
3013 * return a single row with a TYPE_NAME of DISTINCT and a DATA_TYPE of Types.DISTINCT. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
3014 * If the database supports SQL structured types, then getTypeInfo() will |
a5a898f6886c
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diff
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|
3015 * return a single row with a TYPE_NAME of STRUCT and a DATA_TYPE of Types.STRUCT. |
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|
3016 * If SQL distinct or structured types are supported, then information on |
a5a898f6886c
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|
3017 * the individual types may be obtained from the getUDTs() method. |
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|
3018 * |
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|
3019 * <P>Each type description has the following columns: |
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|
3020 * <OL> |
194
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|
3021 * <LI><B>TYPE_NAME</B> String => Type name |
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|
3022 * <LI><B>DATA_TYPE</B> int => SQL data type from java.sql.Types |
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|
3023 * <LI><B>PRECISION</B> int => maximum precision |
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|
3024 * <LI><B>LITERAL_PREFIX</B> String => prefix used to quote a literal (may be null) |
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|
3025 * <LI><B>LITERAL_SUFFIX</B> String => suffix used to quote a literal (may be null) |
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|
3026 * <LI><B>CREATE_PARAMS</B> String => parameters used in creating |
0
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|
3027 * the type (may be null) |
194
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|
3028 * <LI><B>NULLABLE</B> short => can you use NULL for this type? |
0
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|
3029 * <UL> |
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|
3030 * <LI> typeNoNulls - does not allow NULL values |
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|
3031 * <LI> typeNullable - allows NULL values |
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|
3032 * <LI> typeNullableUnknown - nullability unknown |
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|
3033 * </UL> |
194
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|
3034 * <LI><B>CASE_SENSITIVE</B> boolean=> is it case sensitive? |
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|
3035 * <LI><B>SEARCHABLE</B> short => can you use "WHERE" based on this type: |
0
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|
3036 * <UL> |
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|
3037 * <LI> typePredNone - No support |
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|
3038 * <LI> typePredChar - Only supported with WHERE .. LIKE |
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|
3039 * <LI> typePredBasic - Supported except for WHERE .. LIKE |
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|
3040 * <LI> typeSearchable - Supported for all WHERE .. |
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|
3041 * </UL> |
194
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186
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|
3042 * <LI><B>UNSIGNED_ATTRIBUTE</B> boolean => is it unsigned? |
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186
diff
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|
3043 * <LI><B>FIXED_PREC_SCALE</B> boolean => can it be a money value? |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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186
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|
3044 * <LI><B>AUTO_INCREMENT</B> boolean => can it be used for an |
0
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|
3045 * auto-increment value? |
194
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186
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|
3046 * <LI><B>LOCAL_TYPE_NAME</B> String => localized version of type name |
0
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|
3047 * (may be null) |
194
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186
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|
3048 * <LI><B>MINIMUM_SCALE</B> short => minimum scale supported |
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186
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|
3049 * <LI><B>MAXIMUM_SCALE</B> short => maximum scale supported |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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186
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|
3050 * <LI><B>SQL_DATA_TYPE</B> int => unused |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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186
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|
3051 * <LI><B>SQL_DATETIME_SUB</B> int => unused |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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186
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|
3052 * <LI><B>NUM_PREC_RADIX</B> int => usually 2 or 10 |
0
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parents:
diff
changeset
|
3053 * </OL> |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3054 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
3055 * @return ResultSet each row is a SQL type description |
194
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3056 * @throws SQLException if a database error occurs |
0
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|
3057 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
3058 @Override |
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parents:
diff
changeset
|
3059 public ResultSet getTypeInfo() throws SQLException { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
3060 StringBuilder query = new StringBuilder(2300); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3061 query.append("SELECT \"sqlname\" AS \"TYPE_NAME\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3062 "cast(").append(MonetDriver.getSQLTypeMap("\"sqlname\"")).append(" AS int) AS \"DATA_TYPE\", " + |
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
3063 "\"digits\" AS \"PRECISION\", " + // note that when radix is 2 the precision shows the number of bits |
265
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|
3064 "cast(CASE WHEN \"systemname\" IN ('str','inet','json','url','uuid','blob','sqlblob') THEN ''''" + |
0
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|
3065 " ELSE NULL END AS varchar(2)) AS \"LITERAL_PREFIX\", " + |
265
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|
3066 "cast(CASE WHEN \"systemname\" IN ('str','inet','json','url','uuid','blob','sqlblob') THEN ''''" + |
0
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parents:
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|
3067 " ELSE NULL END AS varchar(2)) AS \"LITERAL_SUFFIX\", " + |
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
3068 "CASE WHEN \"sqlname\" IN ('char', 'varchar') THEN 'max length'" + |
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
3069 " WHEN \"sqlname\" = 'decimal' THEN 'precision, scale'" + |
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parents:
diff
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|
3070 " WHEN \"sqlname\" IN ('time', 'timetz', 'timestamp', 'timestamptz', 'sec_interval') THEN 'precision'" + |
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diff
changeset
|
3071 " ELSE NULL END AS \"CREATE_PARAMS\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
3072 "cast(CASE WHEN \"systemname\" = 'oid' THEN ").append(DatabaseMetaData.typeNoNulls) |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
3073 .append(" ELSE ").append(DatabaseMetaData.typeNullable).append(" END AS smallint) AS \"NULLABLE\", " + |
265
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Corrected MonetDatabaseMetaData method getTypeInfo() for result column
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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264
diff
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|
3074 "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>
parents:
264
diff
changeset
|
3075 "cast(CASE WHEN \"systemname\" IN ('str','inet','json','url','uuid','blob','sqlblob') THEN ").append(DatabaseMetaData.typeSearchable) |
0
a5a898f6886c
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parents:
diff
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|
3076 .append(" ELSE ").append(DatabaseMetaData.typePredBasic).append(" END AS smallint) AS \"SEARCHABLE\", " + |
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3077 "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.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3078 "CASE \"sqlname\" WHEN 'decimal' THEN true ELSE false END AS \"FIXED_PREC_SCALE\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3079 "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.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3080 "\"systemname\" AS \"LOCAL_TYPE_NAME\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3081 "cast(0 AS smallint) AS \"MINIMUM_SCALE\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3082 "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
changeset
|
3083 " WHEN \"sqlname\" IN ('time', 'timetz', 'timestamp', 'timestamptz', 'sec_interval') THEN 6 ELSE 0 END AS smallint) AS \"MAXIMUM_SCALE\", " + |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3084 "cast(0 AS int) AS \"SQL_DATA_TYPE\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3085 "cast(0 AS int) AS \"SQL_DATETIME_SUB\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3086 "cast(\"radix\" as int) AS \"NUM_PREC_RADIX\" " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3087 "FROM \"sys\".\"types\" " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3088 "ORDER BY \"DATA_TYPE\", \"sqlname\", \"id\""); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3089 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3090 return executeMetaDataQuery(query.toString()); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3091 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3092 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3093 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3094 * Retrieves a description of the given table's indices and statistics. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3095 * They are ordered by NON_UNIQUE, TYPE, INDEX_NAME, and ORDINAL_POSITION. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
3096 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3097 * <P>Each index column description has the following columns: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
3098 * <OL> |
194
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
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|
3099 * <LI><B>TABLE_CAT</B> String => table catalog (may be null) |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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186
diff
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|
3100 * <LI><B>TABLE_SCHEM</B> String => table schema (may be null) |
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
3101 * <LI><B>TABLE_NAME</B> String => table name |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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186
diff
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|
3102 * <LI><B>NON_UNIQUE</B> boolean => Can index values be non-unique? |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
3103 * false when TYPE is tableIndexStatistic |
194
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
3104 * <LI><B>INDEX_QUALIFIER</B> String => index catalog (may be null); |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
3105 * null when TYPE is tableIndexStatistic |
194
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
3106 * <LI><B>INDEX_NAME</B> String => index name; null when TYPE is |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
3107 * tableIndexStatistic |
194
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
3108 * <LI><B>TYPE</B> short => index type: |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3109 * <UL> |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3110 * <LI> tableIndexStatistic - this identifies table statistics that are |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3111 * returned in conjuction with a table's index descriptions |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3112 * <LI> tableIndexClustered - this is a clustered index |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3113 * <LI> tableIndexHashed - this is a hashed index |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3114 * <LI> tableIndexOther - this is some other style of index |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
3115 * </UL> |
194
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186
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|
3116 * <LI><B>ORDINAL_POSITION</B> short => column sequence number |
0
a5a898f6886c
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|
3117 * within index; zero when TYPE is tableIndexStatistic |
194
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|
3118 * <LI><B>COLUMN_NAME</B> String => column name; null when TYPE is |
0
a5a898f6886c
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|
3119 * tableIndexStatistic |
194
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186
diff
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|
3120 * <LI><B>ASC_OR_DESC</B> String => column sort sequence, "A" => ascending |
1296dbcc4958
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186
diff
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|
3121 * "D" => descending, may be null if sort sequence is not supported; |
0
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|
3122 * null when TYPE is tableIndexStatistic |
194
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186
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|
3123 * <LI><B>CARDINALITY</B> int => When TYPE is tableIndexStatisic then |
0
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|
3124 * this is the number of rows in the table; otherwise it is the |
a5a898f6886c
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|
3125 * number of unique values in the index. |
194
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|
3126 * <LI><B>PAGES</B> int => When TYPE is tableIndexStatisic then |
0
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diff
changeset
|
3127 * this is the number of pages used for the table, otherwise it |
a5a898f6886c
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|
3128 * is the number of pages used for the current index. |
194
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|
3129 * <LI><B>FILTER_CONDITION</B> String => Filter condition, if any. |
0
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|
3130 * (may be null) |
a5a898f6886c
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|
3131 * </OL> |
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|
3132 * |
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|
3133 * @param catalog a catalog name; "" retrieves those without a catalog |
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|
3134 * @param schema a schema name pattern; "" retrieves those without a schema |
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|
3135 * @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
|
3136 * 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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|
3137 * @param unique when true, return only indices for unique values; |
a5a898f6886c
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diff
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|
3138 * when false, return indices regardless of whether unique or not |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3139 * @param approximate when true, result is allowed to reflect approximate |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3140 * or out of data values; when false, results are requested to be |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3141 * accurate |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3142 * @return ResultSet each row is an index column description |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3143 * @throws SQLException if a database occurs |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3144 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3145 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3146 public ResultSet getIndexInfo( |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3147 String catalog, |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3148 String schema, |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3149 String table, |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3150 boolean unique, |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3151 boolean approximate |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3152 ) throws SQLException |
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 String table_row_count = "0"; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3155 |
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
|
3156 if (!approximate && schema != null && table != null && !schema.isEmpty() && !table.isEmpty()) { |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3157 // we need the exact cardinality for one specific fully qualified table |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3158 ResultSet count = null; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3159 try { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3160 count = executeMetaDataQuery("SELECT COUNT(*) FROM \"" + schema + "\".\"" + table + "\""); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3161 if (count != null && count.next()) { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
3162 String count_value = count.getString(1); |
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.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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215
diff
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|
3163 if (count_value != null && !count_value.isEmpty()) |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3164 table_row_count = count_value; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3165 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3166 } catch (SQLException e) { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3167 // ignore |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3168 } finally { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3169 if (count != null) { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3170 try { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3171 count.close(); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3172 } catch (SQLException e) { /* ignore */ } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3173 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3174 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3175 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3176 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3177 StringBuilder query = new StringBuilder(1250); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3178 query.append( |
217
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
changeset
|
3179 "SELECT cast(null AS char(1)) AS \"TABLE_CAT\", " + |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3180 "\"schemas\".\"name\" AS \"TABLE_SCHEM\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3181 "\"tables\".\"name\" AS \"TABLE_NAME\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3182 "CASE WHEN \"keys\".\"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
|
3183 "cast(null AS char(1)) AS \"INDEX_QUALIFIER\", " + |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3184 "\"idxs\".\"name\" AS \"INDEX_NAME\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3185 "CASE \"idxs\".\"type\" WHEN 0 THEN ").append(DatabaseMetaData.tableIndexHashed).append(" ELSE ").append(DatabaseMetaData.tableIndexOther).append(" END AS \"TYPE\", " + |
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
|
3186 "cast(\"objects\".\"nr\" +1 AS smallint) AS \"ORDINAL_POSITION\", "+ |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
3187 "\"columns\".\"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>
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216
diff
changeset
|
3188 "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
|
3189 "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
|
3190 "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
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|
3191 "cast(null AS char(1)) AS \"FILTER_CONDITION\" " + |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3192 "FROM \"sys\".\"idxs\" LEFT JOIN \"sys\".\"keys\" ON \"idxs\".\"name\" = \"keys\".\"name\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3193 "\"sys\".\"schemas\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3194 "\"sys\".\"objects\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3195 "\"sys\".\"columns\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3196 "\"sys\".\"tables\" " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3197 "WHERE \"idxs\".\"table_id\" = \"tables\".\"id\" " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
3198 "AND \"tables\".\"schema_id\" = \"schemas\".\"id\" " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
3199 "AND \"idxs\".\"id\" = \"objects\".\"id\" " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3200 "AND \"tables\".\"id\" = \"columns\".\"table_id\" " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3201 "AND \"objects\".\"name\" = \"columns\".\"name\" " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
3202 "AND (\"keys\".\"type\" IS NULL OR \"keys\".\"type\" = 1)"); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
3203 |
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
|
3204 if (catalog != null && !catalog.isEmpty()) { |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3205 // none empty catalog selection. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3206 // as we do not support catalogs this always results in no rows returned |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
3207 query.append(" AND 1 = 0"); |
216
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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215
diff
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|
3208 } else { |
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
|
3209 if (schema != null) { |
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
|
3210 query.append(" AND \"schemas\".\"name\" ").append(composeMatchPart(schema)); |
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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|
3211 } |
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
|
3212 if (table != null) { |
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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|
3213 query.append(" AND \"tables\".\"name\" ").append(composeMatchPart(table)); |
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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|
3214 } |
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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|
3215 if (unique) { |
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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|
3216 query.append(" AND \"keys\".\"name\" IS NOT NULL"); |
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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|
3217 } |
0
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|
3218 } |
216
116b5a149fb4
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff
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|
3219 |
0
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parents:
diff
changeset
|
3220 query.append(" ORDER BY \"NON_UNIQUE\", \"TYPE\", \"INDEX_NAME\", \"ORDINAL_POSITION\""); |
a5a898f6886c
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|
3221 |
a5a898f6886c
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diff
changeset
|
3222 return executeMetaDataQuery(query.toString()); |
a5a898f6886c
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diff
changeset
|
3223 } |
a5a898f6886c
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|
3224 |
a5a898f6886c
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changeset
|
3225 //== 1.2 methods (JDBC 2) |
a5a898f6886c
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|
3226 |
a5a898f6886c
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changeset
|
3227 /** |
a5a898f6886c
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changeset
|
3228 * Does the database support the given result set type? |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
3229 * |
a5a898f6886c
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changeset
|
3230 * @param type - defined in java.sql.ResultSet |
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|
3231 * @return true if so; false otherwise |
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changeset
|
3232 * @throws SQLException - if a database access error occurs |
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|
3233 */ |
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changeset
|
3234 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
3235 public boolean supportsResultSetType(int type) throws SQLException { |
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diff
changeset
|
3236 // The only type we don't support |
a5a898f6886c
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diff
changeset
|
3237 return type != ResultSet.TYPE_SCROLL_SENSITIVE; |
a5a898f6886c
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|
3238 } |
a5a898f6886c
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changeset
|
3239 |
a5a898f6886c
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|
3240 |
a5a898f6886c
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changeset
|
3241 /** |
a5a898f6886c
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changeset
|
3242 * 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
|
3243 * with the given result set type? |
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 * @param type - defined in java.sql.ResultSet |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3246 * @param concurrency - type defined in java.sql.ResultSet |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3247 * @return true if so; false otherwise |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3248 * @throws SQLException - if a database access error occurs |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3249 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3250 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3251 public boolean supportsResultSetConcurrency(int type, int concurrency) |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3252 throws SQLException |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3253 { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3254 // These combinations are not supported! |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3255 if (type == ResultSet.TYPE_SCROLL_SENSITIVE) |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3256 return false; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3257 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3258 // We do only support Read Only ResultSets |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3259 if (concurrency != ResultSet.CONCUR_READ_ONLY) |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3260 return false; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3261 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3262 // 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
|
3263 return true; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3264 } |
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.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3266 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3267 /* lots of unsupported stuff... (no updatable ResultSet!) */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3268 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3269 public boolean ownUpdatesAreVisible(int type) { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3270 return false; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3271 } |
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.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3273 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3274 public boolean ownDeletesAreVisible(int type) { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3275 return false; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3276 } |
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.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3278 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3279 public boolean ownInsertsAreVisible(int type) { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3280 return false; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3281 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3282 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3283 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3284 public boolean othersUpdatesAreVisible(int type) { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3285 return false; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3286 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3287 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3288 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3289 public boolean othersDeletesAreVisible(int i) { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3290 return false; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3291 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3292 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3293 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3294 public boolean othersInsertsAreVisible(int type) { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3295 return false; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3296 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3297 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3298 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3299 public boolean updatesAreDetected(int type) { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3300 return false; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3301 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3302 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3303 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3304 public boolean deletesAreDetected(int i) { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3305 return false; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3306 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3307 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3308 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3309 public boolean insertsAreDetected(int type) { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3310 return false; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3311 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3312 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3313 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3314 * Indicates whether the driver supports batch updates. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3315 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3316 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3317 public boolean supportsBatchUpdates() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3318 return true; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3319 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3320 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3321 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3322 * 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
|
3323 * 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
|
3324 * 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
|
3325 * 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
|
3326 * 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
|
3327 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3328 * Each type description has the following columns: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3329 * |
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3330 * 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
|
3331 * 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
|
3332 * 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
|
3333 * 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
|
3334 * 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
|
3335 * 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
|
3336 * 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
|
3337 * 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
|
3338 * 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
|
3339 * |
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3340 * @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
|
3341 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3342 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3343 public ResultSet getUDTs( |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3344 String catalog, |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3345 String schemaPattern, |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3346 String typeNamePattern, |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3347 int[] types |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3348 ) throws SQLException |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3349 { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3350 StringBuilder query = new StringBuilder(990); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3351 if (types != null && types.length > 0) { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3352 query.append("SELECT * FROM ("); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3353 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3354 query.append("SELECT cast(null as char(1)) AS \"TYPE_CAT\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3355 "\"schemas\".\"name\" AS \"TYPE_SCHEM\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3356 "\"types\".\"sqlname\" AS \"TYPE_NAME\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3357 "CASE \"types\".\"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
|
3358 // next 4 UDTs are standard |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3359 " 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
|
3360 " WHEN 'json' THEN 'java.lang.String'" + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3361 " WHEN 'url' THEN 'nl.cwi.monetdb.jdbc.types.URL'" + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3362 " WHEN 'uuid' THEN 'java.lang.String'" + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3363 " ELSE 'java.lang.Object' END AS \"CLASS_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
|
3364 "cast(CASE WHEN \"types\".\"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
|
3365 .append(" ELSE ").append(Types.STRUCT).append(" END AS int) AS \"DATA_TYPE\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3366 "\"types\".\"systemname\" AS \"REMARKS\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3367 "cast(null as smallint) AS \"BASE_TYPE\" " + |
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
|
3368 "FROM \"sys\".\"types\" JOIN \"sys\".\"schemas\" ON \"types\".\"schema_id\" = \"schemas\".\"id\" " + |
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
|
3369 // exclude the built-in types (I assume they always have id <= 99 and eclass < 15) |
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
|
3370 "WHERE \"types\".\"id\" > 99 AND \"types\".\"eclass\" >= 15"); |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3371 |
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
|
3372 if (catalog != null && !catalog.isEmpty()) { |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3373 // none empty catalog selection. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3374 // as we do not support catalogs this always results in no rows returned |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3375 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
|
3376 } else { |
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
|
3377 if (schemaPattern != null) { |
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
|
3378 query.append(" AND \"schemas\".\"name\" ").append(composeMatchPart(schemaPattern)); |
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
|
3379 } |
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
|
3380 if (typeNamePattern != null) { |
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
|
3381 query.append(" AND \"types\".\"sqlname\" ").append(composeMatchPart(typeNamePattern)); |
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
|
3382 } |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3383 } |
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
|
3384 |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3385 if (types != null && types.length > 0) { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3386 query.append(") AS getUDTs WHERE \"DATA_TYPE\" IN ("); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3387 for (int i = 0; i < types.length; i++) { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3388 if (i > 0) { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3389 query.append(", "); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3390 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3391 query.append(types[i]); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3392 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3393 query.append(")"); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3394 } |
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
|
3395 |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3396 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
|
3397 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3398 return executeMetaDataQuery(query.toString()); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3399 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3400 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3401 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3402 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3403 * Retrieves the connection that produced this metadata object. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3404 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3405 * @return the connection that produced this metadata object |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3406 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3407 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3408 public Connection getConnection() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3409 return con; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3410 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3411 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3412 /* I don't find these in the spec!?! */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3413 public boolean rowChangesAreDetected(int type) { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3414 return false; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3415 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3416 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3417 public boolean rowChangesAreVisible(int type) { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3418 return false; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3419 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3420 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3421 //== 1.4 methods (JDBC 3) |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3422 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3423 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3424 * Retrieves whether this database supports savepoints. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3425 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3426 * @return <code>true</code> if savepoints are supported; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3427 * <code>false</code> otherwise |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3428 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3429 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3430 public boolean supportsSavepoints() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3431 return true; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3432 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3433 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3434 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3435 * Retrieves whether this database supports named parameters to callable |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3436 * statements. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3437 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3438 * @return <code>true</code> if named parameters are supported; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3439 * <code>false</code> otherwise |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3440 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3441 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3442 public boolean supportsNamedParameters() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3443 return false; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3444 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3445 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3446 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3447 * Retrieves whether it is possible to have multiple <code>ResultSet</code> objects |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3448 * returned from a <code>CallableStatement</code> object |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3449 * simultaneously. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3450 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3451 * @return <code>true</code> if a <code>CallableStatement</code> object |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3452 * can return multiple <code>ResultSet</code> objects |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3453 * simultaneously; <code>false</code> otherwise |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3454 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3455 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3456 public boolean supportsMultipleOpenResults() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3457 return true; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3458 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3459 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3460 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3461 * Retrieves whether auto-generated keys can be retrieved after |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3462 * a statement has been executed. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3463 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3464 * @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
|
3465 * after a statement has executed; <code>false</code> otherwise |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3466 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3467 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3468 public boolean supportsGetGeneratedKeys() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3469 return true; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3470 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3471 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3472 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3473 * Retrieves a description of the user-defined type (UDT) |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3474 * hierarchies defined in a particular schema in this database. Only |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3475 * the immediate super type/ sub type relationship is modeled. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3476 * <P> |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3477 * Only supertype information for UDTs matching the catalog, |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3478 * schema, and type name is returned. The type name parameter |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3479 * may be a fully-qualified name. When the UDT name supplied is a |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3480 * fully-qualified name, the catalog and schemaPattern parameters are |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3481 * ignored. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3482 * <P> |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3483 * If a UDT does not have a direct super type, it is not listed here. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3484 * A row of the <code>ResultSet</code> object returned by this method |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3485 * describes the designated UDT and a direct supertype. A row has the following |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3486 * columns: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
3487 * <OL> |
194
1296dbcc4958
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186
diff
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|
3488 * <LI><B>TYPE_CAT</B> String => the UDT's catalog (may be <code>null</code>) |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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186
diff
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|
3489 * <LI><B>TYPE_SCHEM</B> String => UDT's schema (may be <code>null</code>) |
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Resolved javadoc many errors and warnings, such as:
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186
diff
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|
3490 * <LI><B>TYPE_NAME</B> String => type name of the UDT |
1296dbcc4958
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186
diff
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|
3491 * <LI><B>SUPERTYPE_CAT</B> String => the direct super type's catalog |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
3492 * (may be <code>null</code>) |
194
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186
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|
3493 * <LI><B>SUPERTYPE_SCHEM</B> String => the direct super type's schema |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
3494 * (may be <code>null</code>) |
194
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
3495 * <LI><B>SUPERTYPE_NAME</B> String => the direct super type's name |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3496 * </OL> |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3497 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3498 * <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
|
3499 * empty result set is returned. |
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 * @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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|
3502 * <code>null</code> means drop catalog name from the selection criteria |
245
55375d489024
Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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231
diff
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|
3503 * @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
|
3504 * @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
|
3505 * @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
|
3506 * about the designated UDT |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3507 * @throws SQLException if a database access error occurs |
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 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3510 public ResultSet getSuperTypes( |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3511 String catalog, |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3512 String schemaPattern, |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3513 String typeNamePattern |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3514 ) throws SQLException |
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 String query = |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3517 "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
|
3518 "cast(null as char(1)) AS \"SUPERTYPE_CAT\", '' AS \"SUPERTYPE_SCHEM\", '' AS \"SUPERTYPE_NAME\" " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3519 "WHERE 1 = 0"; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3520 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3521 return executeMetaDataQuery(query); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3522 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3523 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3524 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3525 * 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
|
3526 * schema in this database. |
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 * <P>Only supertable information for tables matching the catalog, schema |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3529 * 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
|
3530 * 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
|
3531 * are ignored. If a table does not have a super table, it is not listed here. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3532 * 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
|
3533 * 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
|
3534 * this information for the supertable. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3535 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3536 * <P>Each type description has the following columns: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3537 * <OL> |
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3538 * <LI><B>TABLE_CAT</B> String => the type's catalog (may be <code>null</code>) |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3539 * <LI><B>TABLE_SCHEM</B> String => type's schema (may be <code>null</code>) |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3540 * <LI><B>TABLE_NAME</B> String => type name |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
changeset
|
3541 * <LI><B>SUPERTABLE_NAME</B> String => the direct super type's name |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3542 * </OL> |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3543 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3544 * <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
|
3545 * empty result set is returned. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3546 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3547 * @param catalog a catalog name; "" retrieves those without a catalog; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
3548 * <code>null</code> means drop catalog name from the selection criteria |
245
55375d489024
Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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231
diff
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|
3549 * @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:
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diff
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|
3550 * @param tableNamePattern a table name pattern; may be a fully-qualified name |
0
a5a898f6886c
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diff
changeset
|
3551 * @return a <code>ResultSet</code> object in which each row is a type description |
a5a898f6886c
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diff
changeset
|
3552 * @throws SQLException if a database access error occurs |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
3553 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
3554 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
3555 public ResultSet getSuperTables( |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3556 String catalog, |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3557 String schemaPattern, |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3558 String tableNamePattern |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3559 ) throws SQLException |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
3560 { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
3561 String query = |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
3562 "SELECT cast(null as char(1)) AS \"TABLE_CAT\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
3563 "'' AS \"TABLE_SCHEM\", '' AS \"TABLE_NAME\", '' AS \"SUPERTABLE_NAME\" " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
3564 "WHERE 1 = 0"; |
a5a898f6886c
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parents:
diff
changeset
|
3565 |
a5a898f6886c
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parents:
diff
changeset
|
3566 return executeMetaDataQuery(query); |
a5a898f6886c
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parents:
diff
changeset
|
3567 } |
a5a898f6886c
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diff
changeset
|
3568 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3569 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
3570 * Retrieves a description of the given attribute of the given type |
a5a898f6886c
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parents:
diff
changeset
|
3571 * for a user-defined type (UDT) that is available in the given schema |
a5a898f6886c
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parents:
diff
changeset
|
3572 * and catalog. |
a5a898f6886c
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parents:
diff
changeset
|
3573 * <P> |
a5a898f6886c
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|
3574 * Descriptions are returned only for attributes of UDTs matching the |
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|
3575 * catalog, schema, type, and attribute name criteria. They are ordered by |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3576 * TYPE_SCHEM, TYPE_NAME and ORDINAL_POSITION. This description |
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|
3577 * does not contain inherited attributes. |
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parents:
diff
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|
3578 * <P> |
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changeset
|
3579 * The <code>ResultSet</code> object that is returned has the following |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
3580 * columns: |
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|
3581 * <OL> |
194
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3582 * <LI><B>TYPE_CAT</B> String => type catalog (may be <code>null</code>) |
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|
3583 * <LI><B>TYPE_SCHEM</B> String => type schema (may be <code>null</code>) |
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|
3584 * <LI><B>TYPE_NAME</B> String => type name |
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|
3585 * <LI><B>ATTR_NAME</B> String => attribute name |
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|
3586 * <LI><B>DATA_TYPE</B> int => attribute type SQL type from java.sql.Types |
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|
3587 * <LI><B>ATTR_TYPE_NAME</B> String => Data source dependent type name. |
0
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parents:
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changeset
|
3588 * For a UDT, the type name is fully qualified. For a REF, the type name is |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
3589 * fully qualified and represents the target type of the reference type. |
194
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3590 * <LI><B>ATTR_SIZE</B> int => column size. For char or date |
0
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|
3591 * types this is the maximum number of characters; for numeric or |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
3592 * decimal types this is precision. |
194
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3593 * <LI><B>DECIMAL_DIGITS</B> int => the number of fractional digits |
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|
3594 * <LI><B>NUM_PREC_RADIX</B> int => Radix (typically either 10 or 2) |
1296dbcc4958
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|
3595 * <LI><B>NULLABLE</B> int => whether NULL is allowed |
0
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|
3596 * <UL> |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
3597 * <LI> attributeNoNulls - might not allow NULL values |
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|
3598 * <LI> attributeNullable - definitely allows NULL values |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
3599 * <LI> attributeNullableUnknown - nullability unknown |
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|
3600 * </UL> |
194
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|
3601 * <LI><B>REMARKS</B> String => comment describing column (may be <code>null</code>) |
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3602 * <LI><B>ATTR_DEF</B> String => default value (may be <code>null</code>) |
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|
3603 * <LI><B>SQL_DATA_TYPE</B> int => unused |
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|
3604 * <LI><B>SQL_DATETIME_SUB</B> int => unused |
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|
3605 * <LI><B>CHAR_OCTET_LENGTH</B> int => for char types the |
0
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|
3606 * maximum number of bytes in the column |
194
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|
3607 * <LI><B>ORDINAL_POSITION</B> int => index of column in table |
0
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|
3608 * (starting at 1) |
194
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3609 * <LI><B>IS_NULLABLE</B> String => "NO" means column definitely |
0
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|
3610 * does not allow NULL values; "YES" means the column might |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
3611 * allow NULL values. An empty string means unknown. |
194
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|
3612 * <LI><B>SCOPE_CATALOG</B> String => catalog of table that is the |
0
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|
3613 * scope of a reference attribute (<code>null</code> if DATA_TYPE isn't REF) |
194
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|
3614 * <LI><B>SCOPE_SCHEMA</B> String => schema of table that is the |
0
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|
3615 * scope of a reference attribute (<code>null</code> if DATA_TYPE isn't REF) |
194
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|
3616 * <LI><B>SCOPE_TABLE</B> String => table name that is the scope of a |
0
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|
3617 * reference attribute (<code>null</code> if the DATA_TYPE isn't REF) |
194
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|
3618 * <LI><B>SOURCE_DATA_TYPE</B> short => source type of a distinct type or user-generated |
0
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|
3619 * Ref type,SQL type from java.sql.Types (<code>null</code> if DATA_TYPE |
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|
3620 * isn't DISTINCT or user-generated REF) |
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|
3621 * </OL> |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
3622 * @param catalog a catalog name; must match the catalog name as it |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
3623 * is stored in the database; "" retrieves those without a catalog; |
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
3624 * <code>null</code> means that the catalog name should not be used to narrow |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
3625 * the search |
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changeset
|
3626 * @param schemaPattern a schema name pattern; must match the schema name |
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|
3627 * as it is stored in the database; "" retrieves those without a schema; |
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|
3628 * <code>null</code> means that the schema name should not be used to narrow |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
3629 * the search |
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|
3630 * @param typeNamePattern a type name pattern; must match the |
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|
3631 * type name as it is stored in the database |
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
3632 * @param attributeNamePattern an attribute name pattern; must match the attribute |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
3633 * name as it is declared in the database |
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
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|
3634 * @return a <code>ResultSet</code> object in which each row is an |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
3635 * attribute description |
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|
3636 * @throws SQLException if a database access error occurs |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
3637 */ |
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|
3638 @Override |
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
3639 public ResultSet getAttributes( |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
3640 String catalog, |
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
3641 String schemaPattern, |
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
3642 String typeNamePattern, |
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
3643 String attributeNamePattern |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
3644 ) throws SQLException |
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
3645 { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
3646 String query = |
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
3647 "SELECT cast(null as char(1)) AS \"TYPE_CAT\", '' AS \"TYPE_SCHEM\", '' AS \"TYPE_NAME\", " + |
217
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Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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216
diff
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|
3648 "'' 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>
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diff
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|
3649 "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>
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216
diff
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|
3650 "'' 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>
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216
diff
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|
3651 "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>
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diff
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|
3652 "cast(0 as int) AS \"ORDINAL_POSITION\", 'YES' AS \"IS_NULLABLE\", " + |
0
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|
3653 "'' AS \"SCOPE_CATALOG\", '' AS \"SCOPE_SCHEMA\", '' AS \"SCOPE_TABLE\", " + |
217
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|
3654 "cast(0 as smallint) AS \"SOURCE_DATA_TYPE\" " + |
0
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|
3655 "WHERE 1 = 0"; |
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|
3656 |
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|
3657 return executeMetaDataQuery(query); |
a5a898f6886c
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|
3658 } |
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|
3659 |
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|
3660 /** |
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|
3661 * Retrieves whether this database supports the given result set holdability. |
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|
3662 * |
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|
3663 * @param holdability one of the following constants: |
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|
3664 * <code>ResultSet.HOLD_CURSORS_OVER_COMMIT</code> or |
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|
3665 * <code>ResultSet.CLOSE_CURSORS_AT_COMMIT</code> |
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|
3666 * @return <code>true</code> if so; <code>false</code> otherwise |
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|
3667 * @see Connection |
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|
3668 */ |
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|
3669 @Override |
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|
3670 public boolean supportsResultSetHoldability(int holdability) { |
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|
3671 // we don't close ResultSets at commit; and we don't do updateable |
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|
3672 // result sets, so comes closest to hold cursors over commit |
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|
3673 return holdability == ResultSet.HOLD_CURSORS_OVER_COMMIT; |
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|
3674 } |
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diff
changeset
|
3675 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3676 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3677 * 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
|
3678 * object. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3679 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3680 * @return the default holdability; either |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3681 * <code>ResultSet.HOLD_CURSORS_OVER_COMMIT</code> or |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3682 * <code>ResultSet.CLOSE_CURSORS_AT_COMMIT</code> |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3683 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3684 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3685 public int getResultSetHoldability() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3686 return ResultSet.HOLD_CURSORS_OVER_COMMIT; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3687 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3688 |
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 * 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
|
3691 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3692 * @return the underlying database's major version |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3693 * @throws SQLException if a database access error occurs |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3694 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3695 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3696 public int getDatabaseMajorVersion() throws SQLException { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3697 if (env_monet_version == null) |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3698 getEnvValues(); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3699 int major = 0; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3700 if (env_monet_version != null) { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3701 try { |
25
5ec116ba7d71
When single character use faster version of indexOf(<char>)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
23
diff
changeset
|
3702 int start = env_monet_version.indexOf('.'); |
7
b3ca1157be73
Improve DatabaseMetaData.getDatabaseProductVersion() to never return a null String.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
0
diff
changeset
|
3703 major = Integer.parseInt((start >= 0) ? env_monet_version.substring(0, start) : env_monet_version); |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3704 } catch (NumberFormatException e) { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3705 // ignore |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3706 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3707 } |
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
3708 return major; |
0
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 the minor version number of the underlying database. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3713 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3714 * @return underlying database's minor version |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3715 * @throws SQLException if a database access error occurs |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3716 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3717 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3718 public int getDatabaseMinorVersion() throws SQLException { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3719 if (env_monet_version == null) |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3720 getEnvValues(); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3721 int minor = 0; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3722 if (env_monet_version != null) { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3723 try { |
25
5ec116ba7d71
When single character use faster version of indexOf(<char>)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
23
diff
changeset
|
3724 int start = env_monet_version.indexOf('.'); |
7
b3ca1157be73
Improve DatabaseMetaData.getDatabaseProductVersion() to never return a null String.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
0
diff
changeset
|
3725 if (start >= 0) { |
b3ca1157be73
Improve DatabaseMetaData.getDatabaseProductVersion() to never return a null String.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
0
diff
changeset
|
3726 start++; |
25
5ec116ba7d71
When single character use faster version of indexOf(<char>)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
23
diff
changeset
|
3727 int end = env_monet_version.indexOf('.', start); |
7
b3ca1157be73
Improve DatabaseMetaData.getDatabaseProductVersion() to never return a null String.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
0
diff
changeset
|
3728 minor = Integer.parseInt((end > 0) ? env_monet_version.substring(start, end) : env_monet_version.substring(start)); |
b3ca1157be73
Improve DatabaseMetaData.getDatabaseProductVersion() to never return a null String.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
0
diff
changeset
|
3729 } |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3730 } catch (NumberFormatException e) { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3731 // ignore |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3732 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3733 } |
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
3734 return minor; |
0
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 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3737 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3738 * 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
|
3739 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3740 * @return JDBC version major number |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3741 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3742 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3743 public int getJDBCMajorVersion() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3744 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
|
3745 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3746 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3747 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3748 * Retrieves the minor JDBC version number for this driver. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3749 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3750 * @return JDBC version minor number |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3751 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3752 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3753 public int getJDBCMinorVersion() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3754 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
|
3755 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3756 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3757 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3758 * 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
|
3759 * 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
|
3760 * @return the type of SQLSTATEs, one of: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3761 * sqlStateXOpen or |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3762 * sqlStateSQL |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3763 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3764 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3765 public int getSQLStateType() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3766 // 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
|
3767 return DatabaseMetaData.sqlStateSQL; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3768 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3769 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3770 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3771 * 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
|
3772 * to the LOB. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3773 * @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
|
3774 * <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
|
3775 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3776 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3777 public boolean locatorsUpdateCopy() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3778 // 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
|
3779 return true; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3780 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3781 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3782 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3783 * Retrieves whether this database supports statement pooling. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3784 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3785 * @return <code>true</code> is so; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3786 <code>false</code> otherwise |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3787 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3788 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3789 public boolean supportsStatementPooling() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3790 // For the moment, I don't think so |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3791 return false; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3792 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3793 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3794 //== 1.6 methods (JDBC 4) |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3795 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3796 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3797 * 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
|
3798 * 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
|
3799 * valid. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3800 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3801 * @return ROWID_UNSUPPORTED for now |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3802 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3803 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3804 public RowIdLifetime getRowIdLifetime() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3805 // I believe we don't do rowids |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3806 return RowIdLifetime.ROWID_UNSUPPORTED; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3807 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3808 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3809 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3810 * 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
|
3811 * are ordered by schema name. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3812 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3813 * <P>The schema column is: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
3814 * <OL> |
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3815 * <LI><B>TABLE_SCHEM</B> String => schema name |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3816 * <LI><B>TABLE_CATALOG</B> String => catalog name (may be null) |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3817 * </OL> |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3818 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3819 * @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
|
3820 * schema name |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3821 * @throws SQLException if a database error occurs |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3822 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3823 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3824 public ResultSet getSchemas() throws SQLException { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3825 return getSchemas(null, null); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3826 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3827 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3828 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3829 * Retrieves whether this database supports invoking user-defined or |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3830 * vendor functions using the stored procedure escape syntax. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3831 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3832 * @return true if so; false otherwise |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3833 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3834 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3835 public boolean supportsStoredFunctionsUsingCallSyntax() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3836 return false; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3837 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3838 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3839 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3840 * Retrieves whether a SQLException while autoCommit is true |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3841 * 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
|
3842 * 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
|
3843 * 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
|
3844 * 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
|
3845 * 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
|
3846 * or not holdable ResultSets are closed. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3847 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3848 * @return true if so; false otherwise |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3849 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3850 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3851 public boolean autoCommitFailureClosesAllResultSets() { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3852 // 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
|
3853 // 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
|
3854 // failure either. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3855 return false; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3856 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3857 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3858 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3859 * 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
|
3860 * supports. The result set contains the following columns |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3861 * |
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3862 * 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
|
3863 * 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
|
3864 * property |
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3865 * 3. DEFAULT_VALUE String => The default value of the |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3866 * property |
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3867 * 4. DESCRIPTION String => A description of the |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3868 * property. This will typically contain information as |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3869 * 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
|
3870 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3871 * The ResultSet is sorted by the NAME column |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3872 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3873 * @return A ResultSet object; each row is a supported client info |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3874 * property, none in case of MonetDB's current JDBC driver |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3875 * @throws SQLException if a database access error occurs |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3876 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3877 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3878 public ResultSet getClientInfoProperties() throws SQLException { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3879 // for a list of connection properties see also MonetConnection.java constructor MonetConnection(Properties props) |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3880 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
|
3881 "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
|
3882 "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
|
3883 "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
|
3884 "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
|
3885 "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
|
3886 "SELECT 'database', 1024, 'demo', 'name of database. It matches the dbfarm subdirectory name' UNION ALL " + |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3887 "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
|
3888 "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
|
3889 "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
|
3890 "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
|
3891 "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
|
3892 "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
|
3893 "ORDER BY \"NAME\""; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3894 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3895 return executeMetaDataQuery(query); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3896 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
3897 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3898 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3899 * 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
|
3900 * available in the given catalog. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3901 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3902 * 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
|
3903 * 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
|
3904 * 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
|
3905 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3906 * Each function description has the the following columns: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
3907 * |
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
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|
3908 * 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
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|
3909 * 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
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|
3910 * 3. FUNCTION_NAME String => function name. This is the |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
3911 * 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
|
3912 * 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
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|
3913 * 5. FUNCTION_TYPE short => kind of function: |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3914 * * functionResultUnknown - Cannot determine if a return |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3915 * value or table will be returned |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3916 * * functionNoTable- Does not return a table |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
3917 * * functionReturnsTable - Returns a table |
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
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|
3918 * 6. SPECIFIC_NAME String => the name which uniquely identifies |
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3919 * 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
|
3920 * 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
|
3921 * FUNCTION_NAME for example with overload functions |
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 * 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
|
3924 * that are returned by getFunctions. |
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 * @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
|
3927 * 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
|
3928 * 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
|
3929 * used to narrow the search |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3930 * @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
|
3931 * 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
|
3932 * 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
|
3933 * not be used to narrow the search |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3934 * @param functionNamePattern a function name pattern; must match |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3935 * 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
|
3936 * 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
|
3937 * @return ResultSet - each row is a function description |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3938 * @throws SQLException if a database access error occurs |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3939 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3940 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3941 public ResultSet getFunctions( |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3942 String catalog, |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3943 String schemaPattern, |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3944 String functionNamePattern) |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3945 throws SQLException |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3946 { |
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
|
3947 boolean useCommentsTable = ((MonetConnection)con).commentsTableExists(); |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3948 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
|
3949 query.append("SELECT cast(null as char(1)) AS \"FUNCTION_CAT\", " + |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3950 "\"schemas\".\"name\" AS \"FUNCTION_SCHEM\", " + |
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
|
3951 "\"functions\".\"name\" AS \"FUNCTION_NAME\", ") |
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
|
3952 .append(useCommentsTable ? "COALESCE(\"comments\".\"remark\", cast(\"functions\".\"func\" as varchar(9999)))" : "cast(\"functions\".\"func\" as varchar(9999))").append(" AS \"REMARKS\", " + |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3953 "CASE \"functions\".\"type\"" + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3954 " WHEN 1 THEN ").append(DatabaseMetaData.functionNoTable) |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3955 .append(" WHEN 2 THEN ").append(DatabaseMetaData.functionNoTable) |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3956 .append(" WHEN 3 THEN ").append(DatabaseMetaData.functionNoTable) |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3957 .append(" WHEN 4 THEN ").append(DatabaseMetaData.functionNoTable) |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3958 .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
|
3959 .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
|
3960 .append(" WHEN 7 THEN ").append(DatabaseMetaData.functionReturnsTable) |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3961 .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
|
3962 // only the id value uniquely identifies a function. Include it to be able to differentiate between multiple overloaded functions with the same name |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3963 "cast(\"functions\".\"id\" as varchar(10)) AS \"SPECIFIC_NAME\" " + |
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
|
3964 "FROM \"sys\".\"functions\" JOIN \"sys\".\"schemas\" ON (\"functions\".\"schema_id\" = \"schemas\".\"id\") "); |
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
|
3965 if (useCommentsTable) { |
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
|
3966 query.append("LEFT OUTER JOIN \"sys\".\"comments\" ON (\"functions\".\"id\" = \"comments\".\"id\") "); |
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
|
3967 } |
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
|
3968 // only functions, so exclude procedures (type = 2). Those will to be returned via getProcedures() |
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
|
3969 query.append("WHERE \"functions\".\"type\" <> 2"); |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3970 |
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
|
3971 if (catalog != null && !catalog.isEmpty()) { |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3972 // none empty catalog selection. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3973 // as we do not support catalogs this always results in no rows returned |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3974 query.append(" AND 1 = 0"); |
216
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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215
diff
changeset
|
3975 } else { |
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
|
3976 if (schemaPattern != null) { |
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
|
3977 query.append(" AND \"schemas\".\"name\" ").append(composeMatchPart(schemaPattern)); |
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
|
3978 } |
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
|
3979 if (functionNamePattern != null) { |
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
|
3980 query.append(" AND \"functions\".\"name\" ").append(composeMatchPart(functionNamePattern)); |
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
|
3981 } |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3982 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3983 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3984 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
|
3985 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3986 return executeMetaDataQuery(query.toString()); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3987 } |
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 * Retrieves a description of the given catalog's system or user |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3991 * function parameters and return type. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3992 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3993 * Only descriptions matching the schema, function and parameter name criteria are returned. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3994 * 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
|
3995 * 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
|
3996 * The column descriptions follow in column number order. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3997 * |
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3998 * 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>
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186
diff
changeset
|
3999 * 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
|
4000 * 3. FUNCTION_NAME String => function name. This is the name used to invoke the function |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4001 * 4. COLUMN_NAME String => column/parameter name |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4002 * 5. COLUMN_TYPE Short => kind of column/parameter: |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4003 * functionColumnUnknown - nobody knows |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4004 * functionColumnIn - IN parameter |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4005 * functionColumnInOut - INOUT parameter |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4006 * functionColumnOut - OUT parameter |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4007 * functionColumnReturn - function return value |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4008 * functionColumnResult - Indicates that the parameter or column is a column in the ResultSet |
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4009 * 6. DATA_TYPE int => SQL type from java.sql.Types |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4010 * 7. TYPE_NAME String => SQL type name, for a UDT type the type name is fully qualified |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4011 * 8. PRECISION int => precision |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4012 * 9. LENGTH int => length in bytes of data |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4013 * 10. SCALE short => scale - null is returned for data types where SCALE is not applicable. |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4014 * 11. RADIX short => radix |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4015 * 12. NULLABLE short => can it contain NULL. |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4016 * functionNoNulls - does not allow NULL values |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4017 * functionNullable - allows NULL values |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4018 * functionNullableUnknown - nullability unknown |
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4019 * 13. REMARKS String => comment describing column/parameter |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4020 * 14. CHAR_OCTET_LENGTH int => the maximum length of binary and character based parameters or columns. For any other datatype the returned value is a NULL |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4021 * 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
|
4022 * A value of 0 is returned if this row describes the function's return value. For result set columns, it is the ordinal position of the column in the result set starting from 1. |
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4023 * 16. IS_NULLABLE String => ISO rules are used to determine the nullability for a parameter or column. |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4024 * 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
|
4025 * 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
|
4026 * empty string --- if the nullability for the parameter or column is unknown |
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4027 * 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
|
4028 * 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
|
4029 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4030 * @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
|
4031 * 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
|
4032 * 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
|
4033 * used to narrow the search |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4034 * @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
|
4035 * 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
|
4036 * 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
|
4037 * not be used to narrow the search |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4038 * @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
|
4039 * 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
|
4040 * 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
|
4041 * @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
|
4042 * 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
|
4043 * 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
|
4044 * @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
|
4045 * column or return type |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4046 * @throws SQLException - if a database access error occurs |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4047 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4048 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4049 public ResultSet getFunctionColumns( |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4050 String catalog, |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4051 String schemaPattern, |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4052 String functionNamePattern, |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4053 String columnNamePattern) |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4054 throws SQLException |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4055 { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4056 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
|
4057 query.append("SELECT cast(null as char(1)) AS \"FUNCTION_CAT\", " + |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4058 "\"schemas\".\"name\" AS \"FUNCTION_SCHEM\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4059 "\"functions\".\"name\" AS \"FUNCTION_NAME\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4060 "\"args\".\"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
|
4061 "cast(CASE \"args\".\"inout\"" + |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4062 " WHEN 0 THEN (CASE \"args\".\"number\" WHEN 0 THEN ") |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4063 .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
|
4064 " WHEN 1 THEN ").append(DatabaseMetaData.functionColumnIn) |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4065 .append(" ELSE ").append(DatabaseMetaData.functionColumnUnknown).append(" END AS smallint) AS \"COLUMN_TYPE\", " + |
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
|
4066 "cast(").append(MonetDriver.getSQLTypeMap("\"args\".\"type\"")).append(" AS int) AS \"DATA_TYPE\", " + |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4067 "\"args\".\"type\" AS \"TYPE_NAME\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4068 "CASE \"args\".\"type\" WHEN 'tinyint' THEN 3 WHEN 'smallint' THEN 5 WHEN 'int' THEN 10 WHEN 'bigint' THEN 19" + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4069 " WHEN 'hugeint' THEN 38 WHEN 'oid' THEN 19 WHEN 'wrd' THEN 19 ELSE \"args\".\"type_digits\" END AS \"PRECISION\", " + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4070 "CASE \"args\".\"type\" WHEN 'tinyint' THEN 1 WHEN 'smallint' THEN 2 WHEN 'int' THEN 4 WHEN 'bigint' THEN 8" + |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4071 " WHEN 'hugeint' THEN 16 WHEN 'oid' THEN 8 WHEN 'wrd' THEN 8 ELSE \"args\".\"type_digits\" END AS \"LENGTH\", " + |
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
|
4072 "cast(CASE WHEN \"args\".\"type\" IN ('tinyint','smallint','int','bigint','hugeint','oid','wrd','decimal','numeric'," + |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4073 "'time','timetz','timestamp','timestamptz','sec_interval') THEN \"args\".\"type_scale\" ELSE NULL END AS smallint) AS \"SCALE\", " + |
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
|
4074 "cast(CASE WHEN \"args\".\"type\" IN ('tinyint','smallint','int','bigint','hugeint','oid','wrd','decimal','numeric') THEN 10" + |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4075 " WHEN \"args\".\"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
|
4076 "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
|
4077 "cast(null as char(1)) AS \"REMARKS\", " + |
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
changeset
|
4078 "cast(CASE WHEN \"args\".\"type\" IN ('char','varchar','clob') THEN \"args\".\"type_digits\" ELSE NULL END 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
|
4079 "cast(\"args\".\"number\" as int) AS \"ORDINAL_POSITION\", " + |
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
|
4080 "cast('' as varchar(3)) AS \"IS_NULLABLE\", " + |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4081 // the specific name contains the function id, in order to be able to match the args to the correct overloaded function name |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4082 "cast(\"functions\".\"id\" as varchar(10)) AS \"SPECIFIC_NAME\" " + |
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
|
4083 "FROM \"sys\".\"args\" " + |
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
|
4084 "JOIN \"sys\".\"functions\" ON (\"args\".\"func_id\" = \"functions\".\"id\") " + |
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
|
4085 "JOIN \"sys\".\"schemas\" ON (\"functions\".\"schema_id\" = \"schemas\".\"id\") " + |
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
|
4086 // only functions, so exclude procedures (type = 2). Those will to be returned via getProcedureColumns() |
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
|
4087 "WHERE \"functions\".\"type\" <> 2"); |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4088 |
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
|
4089 if (catalog != null && !catalog.isEmpty()) { |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4090 // none empty catalog selection. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4091 // as we do not support catalogs this always results in no rows returned |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4092 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
|
4093 } else { |
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
|
4094 if (schemaPattern != null) { |
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
215
diff
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|
4095 query.append(" AND \"schemas\".\"name\" ").append(composeMatchPart(schemaPattern)); |
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
215
diff
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|
4096 } |
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
215
diff
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|
4097 if (functionNamePattern != null) { |
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
|
4098 query.append(" AND \"functions\".\"name\" ").append(composeMatchPart(functionNamePattern)); |
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
|
4099 } |
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
215
diff
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|
4100 if (columnNamePattern != null) { |
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
|
4101 query.append(" AND \"args\".\"name\" ").append(composeMatchPart(columnNamePattern)); |
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
215
diff
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|
4102 } |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4103 } |
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
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|
4104 |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4105 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
|
4106 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4107 return executeMetaDataQuery(query.toString()); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4108 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4109 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4110 //== 1.7 methods (JDBC 4.1) |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4111 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4112 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4113 * 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
|
4114 * 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
|
4115 * 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
|
4116 * 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
|
4117 * 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
|
4118 * necessarily be able to be modified. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4119 * 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
|
4120 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4121 * 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
|
4122 * 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
|
4123 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4124 * Each column description has the following columns: |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4125 * |
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
4126 * 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
|
4127 * 2. TABLE_SCHEM String => table schema (may be null) |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
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|
4128 * 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
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|
4129 * 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
|
4130 * 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
|
4131 * 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
|
4132 * 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
|
4133 * 8. NUM_PREC_RADIX int => Radix (typically either 10 or 2) |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
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|
4134 * 9. COLUMN_USAGE String => The allowed usage for the column. The value returned will correspond to the enum name returned by PseudoColumnUsage.name() |
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
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|
4135 * 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
|
4136 * 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
|
4137 * 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
|
4138 * YES --- if the column can include NULLs |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4139 * NO --- if the column cannot include NULLs |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4140 * 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
|
4141 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4142 * @param catalog a catalog name |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4143 * @param schemaPattern a schema name pattern |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4144 * @param tableNamePattern a table name pattern |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4145 * @param columnNamePattern a column name pattern |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4146 * @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
|
4147 * @throws SQLException if a database access error occurs |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4148 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4149 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4150 public ResultSet getPseudoColumns( |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4151 String catalog, |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4152 String schemaPattern, |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4153 String tableNamePattern, |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4154 String columnNamePattern) |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4155 throws SQLException |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4156 { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4157 // MonetDB currently does not support pseudo or hidden columns, so return an empty ResultSet |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4158 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
|
4159 "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
|
4160 "'' 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
|
4161 "'' 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
|
4162 "'' 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
|
4163 "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
|
4164 "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
|
4165 "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
|
4166 "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
|
4167 "'' 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
|
4168 "'' 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
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|
4169 "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
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|
4170 "'' AS \"IS_NULLABLE\" " + |
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4171 "WHERE 1 = 0"; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4172 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4173 return executeMetaDataQuery(query); |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4174 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4175 |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4176 /** |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4177 * Retrieves whether a generated key will always be returned if the |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4178 * column name(s) or index(es) specified for the auto generated key |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4179 * column(s) are valid and the statement succeeds. The key that is |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4180 * returned may or may not be based on the column(s) for the auto |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4181 * generated key. |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4182 * |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4183 * @return true if so, false otherwise |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4184 * @throws SQLException - if a database access error occurs |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4185 */ |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4186 @Override |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4187 public boolean generatedKeyAlwaysReturned() throws SQLException { |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4188 return true; |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4189 } |
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4190 |
264
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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263
diff
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|
4191 //== 1.8 methods (JDBC 4.2) |
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
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|
4192 |
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
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263
diff
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|
4193 /** |
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
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263
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|
4194 * Retrieves the maximum number of bytes this database allows for the logical size for a LOB. |
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
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263
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|
4195 * The default implementation will return 0 |
d31b99f06b26
Implemented two new 1.8 methods (JDBC 4.2)
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263
diff
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|
4196 * @return the maximum number of bytes |
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4197 */ |
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4198 @Override |
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4199 public long getMaxLogicalLobSize() { |
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4200 return 0; |
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4201 } |
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4202 |
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4203 /** |
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4204 * Retrieves whether this database supports REF CURSOR. |
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4205 * The default implementation will return false |
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4206 * @return true if so, false otherwise |
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4207 */ |
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4208 @Override |
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4209 public boolean supportsRefCursors() { |
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4210 return false; |
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4211 } |
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4212 |
0
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4213 //== end methods interface DatabaseMetaData |
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4214 } |