Mercurial > hg > monetdb-java
annotate src/main/java/nl/cwi/monetdb/jdbc/MonetDatabaseMetaData.java @ 300:8cc3b51d1984
Add a utility method to close objects ignoring any possible SQLExceptions thrown.
Use it in finally clauses to reduce object code.
| author | Martin van Dinther <martin.van.dinther@monetdbsolutions.com> |
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| date | Thu, 15 Aug 2019 16:57:25 +0200 (2019-08-15) |
| parents | 1f0324072b0c |
| children | 1b6c514106ce |
| 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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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 /** |
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21 * A DatabaseMetaData object suitable for the MonetDB database. |
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22 * |
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23 * @author Fabian Groffen, Martin van Dinther |
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24 * @version 0.7 |
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25 */ |
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26 public class MonetDatabaseMetaData |
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27 extends MonetWrapper |
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28 implements DatabaseMetaData |
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29 { |
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30 private final Connection con; |
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31 |
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32 // Internal cache for 3 server environment values |
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33 private String env_current_user; |
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34 private String env_monet_version; |
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35 private String env_max_clients; |
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36 |
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37 public MonetDatabaseMetaData(final Connection parent) { |
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38 con = parent; |
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39 } |
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40 |
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41 /** |
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42 * Utility method to fetch some server environment values combined in one query for efficiency. |
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43 * We currently fetch the env values of: current_user, monet_version and max_clients. |
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44 * We cache them locally such that we do not need to query the server again and again. |
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45 */ |
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46 private synchronized void getEnvValues() throws SQLException { |
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47 Statement st = null; |
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48 ResultSet rs = null; |
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49 try { |
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50 st = con.createStatement(); |
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51 rs = st.executeQuery( |
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52 "SELECT \"name\", \"value\" FROM \"sys\".\"env\"()" + |
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53 " WHERE \"name\" IN ('monet_version', 'max_clients')" + |
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54 " UNION SELECT 'current_user' as \"name\", current_user as \"value\""); |
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55 if (rs != null) { |
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56 while (rs.next()) { |
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57 String prop = rs.getString("name"); |
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58 String value = rs.getString("value"); |
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59 if ("current_user".equals(prop)) { |
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60 env_current_user = value; |
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61 } else |
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62 if ("monet_version".equals(prop)) { |
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63 env_monet_version = value; |
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64 } else |
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65 if ("max_clients".equals(prop)) { |
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66 env_max_clients = value; |
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67 } |
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68 } |
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69 } |
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70 /* do not catch SQLException here, as we want to know it when it fails */ |
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71 } finally { |
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72 MonetConnection.closeResultsetStatement(rs, st); |
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73 } |
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74 // 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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75 } |
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76 |
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77 |
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78 /** |
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79 * Internal utility method to create a Statement object, execute a query and return the ResulSet object which allows scrolling. |
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80 * As the Statement object is created internally (the caller does not see it and thus can not close it), |
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81 * we set it to close (and free server resources) when the ResultSet object is closed by the caller. |
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82 */ |
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83 private ResultSet executeMetaDataQuery(final String query) throws SQLException { |
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84 final Statement stmt = con.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_READ_ONLY); |
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85 ResultSet rs = null; |
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86 if (stmt != null) { |
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87 // for debug: System.out.println("SQL (len " + query.length() + "): " + query); |
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88 rs = stmt.executeQuery(query); |
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89 if (rs != null) { |
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90 /* we want the statement object to be closed also when the resultset is closed by the caller */ |
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91 stmt.closeOnCompletion(); |
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92 } else { |
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93 /* failed to produce a resultset, so release resources for created statement object now */ |
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94 stmt.close(); |
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95 } |
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96 } |
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97 return rs; |
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98 } |
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99 |
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100 /** |
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101 * Retrieves whether the current user can call all the procedures |
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102 * returned by the method getProcedures. |
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103 * |
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104 * @return false because we currently return all procedures from sys.functions |
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105 * and do not filter on EXECUTE privilege or procedure ownership. |
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106 */ |
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107 @Override |
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108 public boolean allProceduresAreCallable() { |
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109 return false; |
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110 } |
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111 |
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112 /** |
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113 * Retrieves whether the current user can use all the tables |
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114 * returned by the method getTables in a SELECT statement. |
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115 * |
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116 * @return false because we currently return all tables from sys.tables |
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117 * and do not filter on SELECT privilege or table ownership. |
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118 */ |
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119 @Override |
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120 public boolean allTablesAreSelectable() { |
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121 return false; |
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122 } |
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123 |
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124 /** |
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125 * What is the URL for this database? |
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126 * |
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127 * @return a reconstructed connection string |
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128 * @throws SQLException if a database access error occurs |
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129 */ |
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130 @Override |
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131 public String getURL() throws SQLException { |
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132 return ((MonetConnection)con).getJDBCURL(); |
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133 } |
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134 |
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135 /** |
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136 * What is our user name as known to the database? |
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137 * |
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138 * @return sql user |
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139 * @throws SQLException if a database access error occurs |
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140 */ |
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141 @Override |
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142 public String getUserName() throws SQLException { |
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143 if (env_current_user == null) |
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144 getEnvValues(); |
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145 return env_current_user; |
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146 } |
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147 |
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148 /** |
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149 * Is the database in read-only mode? |
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150 * |
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151 * @return always false for now |
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152 */ |
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153 @Override |
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154 public boolean isReadOnly() { |
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155 return false; |
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156 } |
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157 |
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158 /** |
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159 * Retrieves whether NULL values are sorted high. Sorted high means |
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160 * that NULL values sort higher than any other value in a domain. |
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161 * In an ascending order, if this method returns true, NULL values will appear at the end. |
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162 * By contrast, the method nullsAreSortedAtEnd indicates whether NULL values are sorted at the end regardless of sort order. |
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163 * |
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164 * @return false because MonetDB shows NULL values at the beginning upon ORDER BY .. ASC |
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165 */ |
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166 @Override |
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167 public boolean nullsAreSortedHigh() { |
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168 return false; |
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169 } |
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170 |
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171 /** |
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172 * Retrieves whether NULL values are sorted low. Sorted low means |
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173 * that NULL values sort lower than any other value in a domain. |
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174 * In an ascending order, if this method returns true, NULL values will appear at the beginning. |
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175 * By contrast, the method nullsAreSortedAtStart indicates whether NULL values are sorted at the beginning regardless of sort order. |
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176 * |
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177 * @return true because MonetDB shows NULL values at the beginning upon ORDER BY .. ASC |
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178 * |
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179 * @return negative of nullsAreSortedHigh() |
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180 * @see #nullsAreSortedHigh() |
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181 */ |
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182 @Override |
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183 public boolean nullsAreSortedLow() { |
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184 return true; |
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185 } |
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186 |
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187 /** |
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188 * Are NULL values sorted at the start regardless of sort order? |
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189 * |
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190 * @return false, since MonetDB doesn't do this |
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191 */ |
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192 @Override |
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193 public boolean nullsAreSortedAtStart() { |
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194 return false; |
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195 } |
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196 |
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197 /** |
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198 * Are NULL values sorted at the end regardless of sort order? |
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199 * |
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200 * @return false, since MonetDB doesn't do this |
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201 */ |
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202 @Override |
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203 public boolean nullsAreSortedAtEnd() { |
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204 return false; |
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205 } |
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206 |
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207 /** |
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208 * What is the name of this database product - this should be MonetDB |
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209 * of course, so we return that explicitly. |
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210 * |
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211 * @return the database product name |
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212 */ |
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213 @Override |
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214 public String getDatabaseProductName() { |
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215 return "MonetDB"; |
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216 } |
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217 |
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218 /** |
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219 * What is the version of this database product. |
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220 * |
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221 * @return the mserver5 version number string |
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222 * @throws SQLException if a database access error occurs |
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223 */ |
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224 @Override |
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225 public String getDatabaseProductVersion() throws SQLException { |
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226 if (env_monet_version == null) |
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227 getEnvValues(); |
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228 // always return a valid String to prevent NPE in getTables() and getTableTypes() |
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229 return (env_monet_version != null) ? env_monet_version : ""; |
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230 } |
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231 |
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232 /** |
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233 * What is the name of this JDBC driver? |
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234 * |
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235 * @return the JDBC driver name |
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236 */ |
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237 @Override |
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238 public String getDriverName() { |
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239 return "MonetDB Native Driver"; |
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240 } |
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241 |
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242 /** |
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243 * Retrieves the version number of this JDBC driver as a String. |
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244 * |
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245 * @return the JDBC driver version string |
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246 */ |
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247 @Override |
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248 public String getDriverVersion() { |
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249 return MonetDriver.getDriverVersion(); |
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250 } |
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251 |
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252 /** |
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253 * What is this JDBC driver's major version number? |
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254 * |
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255 * @return the JDBC driver major version number |
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256 */ |
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257 @Override |
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258 public int getDriverMajorVersion() { |
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259 return MonetDriver.getDriverMajorVersion(); |
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260 } |
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261 |
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262 /** |
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263 * What is this JDBC driver's minor version number? |
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264 * |
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265 * @return the JDBC driver minor version number |
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266 */ |
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267 @Override |
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268 public int getDriverMinorVersion() { |
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269 return MonetDriver.getDriverMinorVersion(); |
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270 } |
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271 |
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272 /** |
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273 * Does the database store tables in a local file? |
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274 * No, it stores them in files on the server. |
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275 * |
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276 * @return false because that's what MonetDB is for |
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277 */ |
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278 @Override |
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279 public boolean usesLocalFiles() { |
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280 return false; |
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281 } |
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282 |
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283 /** |
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284 * Does the database use a local file for each table? |
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285 * |
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286 * @return false for it doesn't |
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287 */ |
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288 @Override |
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289 public boolean usesLocalFilePerTable() { |
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290 return false; |
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291 } |
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292 |
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293 /** |
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294 * Does the database treat mixed case unquoted SQL identifiers |
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295 * as case sensitive and as a result store them in mixed case? |
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296 * A JDBC Compliant <sup>TM</sup> driver always returns false. |
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297 * |
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298 * @return false |
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299 */ |
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300 @Override |
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301 public boolean supportsMixedCaseIdentifiers() { |
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302 return false; |
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303 } |
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304 |
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305 /** |
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306 * Does the database treat mixed case unquoted SQL identifiers as |
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307 * case insensitive and store them in upper case? |
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308 * |
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309 * @return true if so |
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310 */ |
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311 @Override |
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312 public boolean storesUpperCaseIdentifiers() { |
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313 return false; |
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314 } |
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315 |
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316 /** |
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317 * Does the database treat mixed case unquoted SQL identifiers as |
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318 * case insensitive and store them in lower case? |
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319 * |
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320 * @return true if so |
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321 */ |
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322 @Override |
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323 public boolean storesLowerCaseIdentifiers() { |
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324 return true; |
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325 } |
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326 |
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327 /** |
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328 * Does the database treat mixed case unquoted SQL identifiers as |
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329 * case insensitive and store them in mixed case? |
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330 * |
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331 * @return true if so |
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332 */ |
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333 @Override |
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334 public boolean storesMixedCaseIdentifiers() { |
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335 return false; |
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336 } |
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337 |
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338 /** |
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339 * Does the database treat mixed case quoted SQL identifiers as |
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340 * case sensitive and as a result store them in mixed case? |
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341 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
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342 * |
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343 * @return true if so |
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344 */ |
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345 @Override |
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346 public boolean supportsMixedCaseQuotedIdentifiers() { |
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347 return true; |
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348 } |
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349 |
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350 /** |
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351 * Does the database treat mixed case quoted SQL identifiers as |
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352 * case insensitive and store them in upper case? |
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353 * |
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354 * @return true if so |
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355 */ |
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356 @Override |
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357 public boolean storesUpperCaseQuotedIdentifiers() { |
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358 return false; |
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359 } |
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360 |
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361 /** |
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362 * Does the database treat mixed case quoted SQL identifiers as case |
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363 * insensitive and store them in lower case? |
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364 * |
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365 * @return true if so |
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366 */ |
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367 @Override |
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368 public boolean storesLowerCaseQuotedIdentifiers() { |
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369 return false; |
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370 } |
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371 |
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372 /** |
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373 * Does the database treat mixed case quoted SQL identifiers as case |
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374 * insensitive and store them in mixed case? |
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375 * |
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376 * @return true if so |
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377 */ |
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378 @Override |
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379 public boolean storesMixedCaseQuotedIdentifiers() { |
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380 return false; |
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381 } |
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382 |
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383 /** |
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384 * What is the string used to quote SQL identifiers? |
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385 * This returns a space if identifier quoting isn't supported. |
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386 * A JDBC Compliant <sup>TM</sup> driver |
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387 * will always use a double quote character. |
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388 * |
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389 * @return the quoting string |
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390 */ |
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391 @Override |
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392 public String getIdentifierQuoteString() { |
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393 return "\""; |
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394 } |
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395 |
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396 /** |
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397 * Get a comma separated list of all a database's SQL keywords that |
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398 * are NOT also SQL:2003 keywords. |
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399 * |
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400 * @return a comma separated list of MonetDB keywords |
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401 */ |
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402 @Override |
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403 public String getSQLKeywords() { |
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404 final String keywords = getConcatenatedStringFromQuery("SELECT \"keyword\" FROM \"sys\".\"keywords\" ORDER BY 1"); |
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405 |
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406 /* An old MonetDB server (pre Jul2015 release) will not have a table sys.keywords and return an empty String */ |
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407 return (keywords.isEmpty()) ? |
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408 /* for old servers return static list (as returned in clients/odbc/driver/SQLGetInfo.c case SQL_KEYWORDS:) */ |
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409 "ADMIN,AFTER,AGGREGATE,ALWAYS,ASYMMETRIC,ATOMIC," + |
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410 "AUTO_INCREMENT,BEFORE,BIGINT,BIGSERIAL,BINARY,BLOB," + |
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411 "CALL,CHAIN,CLOB,COMMITTED,COPY,CORR,CUME_DIST," + |
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412 "CURRENT_ROLE,CYCLE,DATABASE,DELIMITERS,DENSE_RANK," + |
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413 "DO,EACH,ELSEIF,ENCRYPTED,EVERY,EXCLUDE,FOLLOWING," + |
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414 "FUNCTION,GENERATED,IF,ILIKE,INCREMENT,LAG,LEAD," + |
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415 "LIMIT,LOCALTIME,LOCALTIMESTAMP,LOCKED,MAXVALUE," + |
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416 "MEDIAN,MEDIUMINT,MERGE,MINVALUE,NEW,NOCYCLE," + |
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417 "NOMAXVALUE,NOMINVALUE,NOW,OFFSET,OLD,OTHERS,OVER," + |
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418 "PARTITION,PERCENT_RANK,PLAN,PRECEDING,PROD,QUANTILE," + |
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419 "RANGE,RANK,RECORDS,REFERENCING,REMOTE,RENAME," + |
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420 "REPEATABLE,REPLICA,RESTART,RETURN,RETURNS," + |
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421 "ROW_NUMBER,ROWS,SAMPLE,SAVEPOINT,SCHEMA,SEQUENCE," + |
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422 "SERIAL,SERIALIZABLE,SIMPLE,START,STATEMENT,STDIN," + |
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423 "STDOUT,STREAM,STRING,SYMMETRIC,TIES,TINYINT,TRIGGER," + |
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424 "UNBOUNDED,UNCOMMITTED,UNENCRYPTED,WHILE,XMLAGG," + |
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425 "XMLATTRIBUTES,XMLCOMMENT,XMLCONCAT,XMLDOCUMENT," + |
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426 "XMLELEMENT,XMLFOREST,XMLNAMESPACES,XMLPARSE,XMLPI," + |
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216
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427 "XMLQUERY,XMLSCHEMA,XMLTEXT,XMLVALIDATE" |
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428 : keywords; |
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429 } |
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430 |
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431 /** |
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432 * Internal utility method getConcatenatedStringFromQuery(String query) |
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433 * args: query: SQL SELECT query. Only the output of the first column is concatenated. |
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434 * @return a String of query result values concatenated into one string, and values separated by comma's |
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435 */ |
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436 private String getConcatenatedStringFromQuery(final String query) { |
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437 final StringBuilder sb = new StringBuilder(1024); |
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438 Statement st = null; |
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439 ResultSet rs = null; |
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440 try { |
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441 st = con.createStatement(); |
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442 rs = st.executeQuery(query); |
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443 // Fetch the first column output and concatenate the values into a StringBuilder separated by comma's |
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444 boolean isfirst = true; |
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445 while (rs.next()) { |
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446 String value = rs.getString(1); |
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447 if (value != null) { |
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448 if (isfirst) { |
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449 isfirst = false; |
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450 } else { |
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451 sb.append(','); |
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452 } |
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453 sb.append(value); |
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454 } |
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455 } |
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456 } catch (SQLException e) { |
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457 /* ignore */ |
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458 } finally { |
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300
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459 MonetConnection.closeResultsetStatement(rs, st); |
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460 } |
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461 // for debug: System.out.println("SQL query: " + query + "\nResult string: " + sb.toString()); |
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462 return sb.toString(); |
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463 } |
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464 |
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465 // SQL query parts shared by four get<Type>Functions() below |
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466 private static final String FunctionsSelect = "SELECT DISTINCT CASE WHEN \"language\" > 0 THEN s.\"name\"||'.'||f.\"name\" ELSE f.\"name\" END FROM \"sys\".\"functions\" f JOIN \"sys\".\"schemas\" s ON f.\"schema_id\" = s.\"id\" WHERE "; |
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467 private static final String FunctionsWhere = "(f.\"id\" IN (SELECT \"func_id\" FROM \"sys\".\"args\" WHERE \"number\" = 1 AND \"name\" = 'arg_1' AND \"type\" IN "; |
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468 // 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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469 private static final String OrFunctionsMaxMin = " OR f.\"name\" IN ('sql_max','sql_min','least','greatest')"; |
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470 private static final String FunctionsOrderBy1 = " ORDER BY 1"; |
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471 |
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472 @Override |
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473 public String getNumericFunctions() { |
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474 final String match = |
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475 "('tinyint','smallint','int','bigint','hugeint','decimal','double','real'))" + |
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476 " AND \"type\" = 1" + // only scalar functions, note that code(int) and space(int) will also be listed as string functions |
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477 // exclude functions which do not work |
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478 " AND f.\"name\" NOT IN ('not_uniques','rotate_xor_hash'))" + |
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479 // include specific functions which have no 1st arg (pi()) or it is not numeric |
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480 " OR f.\"name\" IN ('alpha','degrees','fuse','ms_round','ms_str','ms_trunc','pi','radians')"; |
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481 return getConcatenatedStringFromQuery(FunctionsSelect + FunctionsWhere + match + OrFunctionsMaxMin + FunctionsOrderBy1); |
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482 } |
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483 |
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484 @Override |
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485 public String getStringFunctions() { |
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486 final String match = |
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487 "('char','varchar','clob','json','url'))" + |
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488 " AND \"type\" = 1" + // only scalar functions |
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489 // exclude sql functions: get_value_for, next_value_for, restart |
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490 " AND \"mod\" <> 'sql')" + |
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491 // include specific functions code(int) and space(int) which belong to the 'str' module |
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492 " OR \"mod\" = 'str'" + |
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493 // include 3 specific json functions and udf reverse which accept a string arg |
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494 " OR f.\"name\" IN ('isarray','isobject','isvalid','reverse')"; |
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495 final String unionPart = |
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496 // add functions which are not listed in sys.functions but implemented in the SQL parser (see sql/server/sql_parser.y) |
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268
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497 " UNION SELECT 'position'"; |
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498 return getConcatenatedStringFromQuery(FunctionsSelect + FunctionsWhere + match + OrFunctionsMaxMin + unionPart + FunctionsOrderBy1); |
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499 } |
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500 |
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501 @Override |
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502 public String getSystemFunctions() { |
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503 final String wherePart = |
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504 "f.\"name\" IN ('columnsize','debug','get_value_for','hash','hashsize','heapsize'" + |
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505 ",'ifthenelse','imprintsize','isaurl','isauuid','isnull','masterclock','mastertick'" + |
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506 ",'md5','newurl','next_value_for','password_hash','replicaclock','replicatick','uuid')" + |
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507 // add functions which are not listed in sys.functions but implemented in the SQL parser (see sql/server/sql_parser.y) |
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508 " UNION ALL SELECT * FROM (VALUES('cast'),('coalesce'),('convert'),('nullif')) as sf"; |
|
19
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509 return getConcatenatedStringFromQuery(FunctionsSelect + wherePart + FunctionsOrderBy1); |
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510 } |
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511 |
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512 @Override |
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513 public String getTimeDateFunctions() { |
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514 final String wherePart = |
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515 "\"mod\" IN ('mtime','timestamp')" + |
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516 // include Date/Time functions which are located in 'str' module |
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517 " OR f.\"name\" IN ('localtime','localtimestamp','date_trunc')"; |
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518 final String unionPart = |
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519 // 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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520 " UNION SELECT 'extract'" + |
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521 " UNION SELECT 'now'"; |
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522 return getConcatenatedStringFromQuery(FunctionsSelect + wherePart + OrFunctionsMaxMin + unionPart + FunctionsOrderBy1); |
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523 } |
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524 |
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525 /** |
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526 * This is the string that can be used to escape '_' and '%' in |
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527 * a search string pattern style catalog search parameters |
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528 * |
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529 * @return the string used to escape wildcard characters |
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530 */ |
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531 @Override |
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532 public String getSearchStringEscape() { |
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533 return "\\"; |
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534 } |
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535 |
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536 /** |
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537 * Get all the "extra" characters that can be used in unquoted |
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538 * identifier names (those beyond a-zA-Z0-9 and _) |
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539 * |
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540 * @return a string containing the extra characters |
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541 */ |
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542 @Override |
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543 public String getExtraNameCharacters() { |
|
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544 // MonetDB has no extra characters. Verified it for chars: !@#$%^&*()~{}[]? |
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545 return ""; |
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546 } |
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547 |
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548 /** |
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549 * Is "ALTER TABLE" with an add column supported? |
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550 * |
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551 * @return true if so |
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552 */ |
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553 @Override |
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554 public boolean supportsAlterTableWithAddColumn() { |
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555 return true; |
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556 } |
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557 |
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558 /** |
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559 * Is "ALTER TABLE" with a drop column supported? |
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560 * |
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561 * @return true if so |
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562 */ |
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563 @Override |
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564 public boolean supportsAlterTableWithDropColumn() { |
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565 return true; |
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|
566 } |
|
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567 |
|
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|
568 /** |
|
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569 * Is column aliasing supported? |
|
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570 * |
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571 * <p>If so, the SQL AS clause can be used to provide names for |
|
213
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572 * computed columns or to provide alias names for columns as required. |
|
231
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573 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
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574 * |
|
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575 * <p>e.g. |
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576 * |
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577 * <br><pre> |
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578 * select count(C) as C_COUNT from T group by C; |
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579 * |
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580 * </pre><br> |
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581 * should return a column named as C_COUNT instead of count(C) |
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582 * |
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583 * @return true if so |
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584 */ |
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585 @Override |
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586 public boolean supportsColumnAliasing() { |
|
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|
587 return true; |
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588 } |
|
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589 |
|
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|
590 /** |
|
213
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|
591 * Are concatenations between NULL and non-NULL values NULL? |
|
231
68b9452f1215
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592 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
0
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593 * |
|
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594 * @return true if so |
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595 */ |
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|
596 @Override |
|
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597 public boolean nullPlusNonNullIsNull() { |
|
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|
598 return true; |
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|
599 } |
|
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|
600 |
|
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|
601 /** |
|
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|
602 * Retrieves whether this database supports the JDBC scalar function |
|
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|
603 * CONVERT for the conversion of one JDBC type to another. |
|
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604 * The JDBC types are the generic SQL data types defined in java.sql.Types. |
|
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|
605 * |
|
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|
606 * @return true if so; false otherwise |
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607 */ |
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608 @Override |
|
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|
609 public boolean supportsConvert() { |
|
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610 return true; |
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|
611 } |
|
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612 |
|
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|
613 /** |
|
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614 * Retrieves whether this database supports the JDBC scalar function |
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615 * CONVERT for conversions between the JDBC types fromType and toType. |
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616 * The JDBC types are the generic SQL data types defined in java.sql.Types. |
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617 * |
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618 * @return true if so; false otherwise |
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|
619 */ |
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|
620 @Override |
|
295
003ae6d881db
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621 public boolean supportsConvert(final int fromType, final int toType) { |
|
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622 switch (fromType) { |
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623 case Types.BOOLEAN: |
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624 switch (toType) { |
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625 case Types.BOOLEAN: |
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626 /* case Types.BIT: is not supported by MonetDB and will fail */ |
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627 case Types.TINYINT: |
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628 case Types.SMALLINT: |
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629 case Types.INTEGER: |
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630 case Types.BIGINT: |
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631 /* conversion to FLOAT, REAL, DOUBLE, NUMERIC and DECIMAL is not supported by MonetDB */ |
|
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632 case Types.CHAR: |
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633 case Types.VARCHAR: |
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634 /* case Types.LONGVARCHAR: is not supported by MonetDB and will fail */ |
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635 case Types.CLOB: |
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|
636 return true; |
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|
637 } |
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|
638 // conversion to all other types is not supported |
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639 return false; |
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|
640 /* case Types.BIT: is not supported by MonetDB and will fail */ |
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|
641 /* case Types.BINARY: is not supported by MonetDB and will fail */ |
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642 /* case Types.VARBINARY: is not supported by MonetDB and will fail */ |
|
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|
643 /* case Types.LONGVARBINARY: is not supported by MonetDB and will fail */ |
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|
644 case Types.BLOB: |
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645 switch (toType) { |
|
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|
646 /* case Types.BINARY: is not supported by MonetDB and will fail */ |
|
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changeset
|
647 /* case Types.VARBINARY: is not supported by MonetDB and will fail */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
648 /* case Types.LONGVARBINARY: is not supported by MonetDB and will fail */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
649 case Types.BLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
650 case Types.VARCHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
651 /* 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
|
652 case Types.CLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
653 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
654 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
655 // conversion to all other types is not supported |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
656 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
657 case Types.TINYINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
658 case Types.SMALLINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
659 case Types.INTEGER: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
660 case Types.BIGINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
661 case Types.FLOAT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
662 case Types.REAL: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
663 case Types.DOUBLE: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
664 case Types.NUMERIC: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
665 case Types.DECIMAL: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
666 switch (toType) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
667 case Types.BOOLEAN: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
668 /* 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
|
669 case Types.TINYINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
670 case Types.SMALLINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
671 case Types.INTEGER: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
672 case Types.BIGINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
673 case Types.FLOAT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
674 case Types.REAL: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
675 case Types.DOUBLE: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
676 case Types.NUMERIC: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
677 case Types.DECIMAL: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
678 case Types.CHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
679 case Types.VARCHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
680 /* 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
|
681 case Types.CLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
682 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
683 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
684 // conversion to all other types is not supported |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
685 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
686 case Types.CHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
687 case Types.VARCHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
688 /* 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
|
689 case Types.CLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
690 switch (toType) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
691 case Types.BOOLEAN: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
692 /* 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
|
693 case Types.TINYINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
694 case Types.SMALLINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
695 case Types.INTEGER: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
696 case Types.BIGINT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
697 case Types.FLOAT: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
698 case Types.REAL: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
699 case Types.DOUBLE: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
700 case Types.NUMERIC: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
701 case Types.DECIMAL: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
702 case Types.CHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
703 case Types.VARCHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
704 /* 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
|
705 case Types.CLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
706 case Types.BLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
707 case Types.DATE: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
708 case Types.TIME: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
709 case Types.TIMESTAMP: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
710 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
711 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
712 // conversion to all other types is not supported |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
713 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
714 case Types.DATE: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
715 switch (toType) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
716 case Types.CHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
717 case Types.VARCHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
718 /* 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
|
719 case Types.CLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
720 case Types.DATE: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
721 case Types.TIMESTAMP: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
722 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
723 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
724 // conversion to all other types is not supported |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
725 return false; |
|
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 switch (toType) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
728 case Types.CHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
729 case Types.VARCHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
730 /* 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
|
731 case Types.CLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
732 case Types.TIME: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
733 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
734 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
735 // conversion to all other types is not supported |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
736 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
737 case Types.TIMESTAMP: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
738 switch (toType) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
739 case Types.CHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
740 case Types.VARCHAR: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
741 /* 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
|
742 case Types.CLOB: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
743 case Types.DATE: |
|
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 case Types.TIMESTAMP: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
746 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
747 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
748 // conversion to all other types is not supported |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
749 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
750 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
751 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
752 // 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
|
753 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
754 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
755 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
756 /** |
|
213
115f6351bf4b
Update some documentation text
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
200
diff
changeset
|
757 * Are table correlation names supported? |
|
231
68b9452f1215
Fix warnings:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
222
diff
changeset
|
758 * 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
|
759 * |
|
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760 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
761 */ |
|
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changeset
|
762 @Override |
|
a5a898f6886c
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|
763 public boolean supportsTableCorrelationNames() { |
|
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|
764 return true; |
|
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|
765 } |
|
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766 |
|
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parents:
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changeset
|
767 /** |
|
a5a898f6886c
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|
768 * If table correlation names are supported, are they restricted to |
|
a5a898f6886c
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|
769 * be different from the names of the tables? |
|
a5a898f6886c
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|
770 * |
|
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|
771 * @return true if so; false otherwise |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
772 */ |
|
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parents:
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changeset
|
773 @Override |
|
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|
774 public boolean supportsDifferentTableCorrelationNames() { |
|
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|
775 return false; |
|
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|
776 } |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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777 |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
778 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
779 * Are expressions in "ORDER BY" lists supported? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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780 * e.g. select * from t order by a + b; |
|
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|
781 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
782 * MonetDB supports this, try: |
|
a5a898f6886c
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|
783 * select (radix * 1000) + digits as comp, * from types order by (radix * 1000) + digits, -id; |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
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|
784 * |
|
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changeset
|
785 * @return true if so |
|
a5a898f6886c
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changeset
|
786 */ |
|
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parents:
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changeset
|
787 @Override |
|
a5a898f6886c
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|
788 public boolean supportsExpressionsInOrderBy() { |
|
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789 return true; |
|
a5a898f6886c
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|
790 } |
|
a5a898f6886c
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changeset
|
791 |
|
a5a898f6886c
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|
792 /** |
|
a5a898f6886c
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|
793 * Can an "ORDER BY" clause use columns not in the SELECT? |
|
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Sjoerd Mullender <sjoerd@acm.org>
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794 * MonetDB differs from SQL03 => true |
|
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795 * |
|
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|
796 * @return true if so |
|
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changeset
|
797 */ |
|
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changeset
|
798 @Override |
|
a5a898f6886c
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|
799 public boolean supportsOrderByUnrelated() { |
|
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|
800 return true; |
|
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|
801 } |
|
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|
802 |
|
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changeset
|
803 /** |
|
a5a898f6886c
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|
804 * Is some form of "GROUP BY" clause supported? |
|
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|
805 * |
|
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|
806 * @return true since MonetDB supports it |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
807 */ |
|
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changeset
|
808 @Override |
|
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changeset
|
809 public boolean supportsGroupBy() { |
|
a5a898f6886c
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changeset
|
810 return true; |
|
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|
811 } |
|
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changeset
|
812 |
|
a5a898f6886c
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parents:
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changeset
|
813 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
814 * Can a "GROUP BY" clause use columns not in the SELECT? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
815 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
816 * @return true since that also is supported |
|
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|
817 */ |
|
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changeset
|
818 @Override |
|
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changeset
|
819 public boolean supportsGroupByUnrelated() { |
|
a5a898f6886c
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changeset
|
820 return true; |
|
a5a898f6886c
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|
821 } |
|
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|
822 |
|
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changeset
|
823 /** |
|
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changeset
|
824 * Can a "GROUP BY" clause add columns not in the SELECT provided |
|
a5a898f6886c
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changeset
|
825 * it specifies all the columns in the SELECT? |
|
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|
826 * |
|
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|
827 * (MonetDB already supports the more difficult supportsGroupByUnrelated(), |
|
a5a898f6886c
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|
828 * so this is a piece of cake) |
|
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|
829 * |
|
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parents:
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changeset
|
830 * @return true if so |
|
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parents:
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changeset
|
831 */ |
|
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changeset
|
832 @Override |
|
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|
833 public boolean supportsGroupByBeyondSelect() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
834 return true; |
|
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changeset
|
835 } |
|
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parents:
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changeset
|
836 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
837 /** |
|
213
115f6351bf4b
Update some documentation text
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|
838 * Is the escape character in "LIKE" clauses supported? |
|
231
68b9452f1215
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|
839 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
0
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|
840 * |
|
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changeset
|
841 * @return true if so |
|
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changeset
|
842 */ |
|
a5a898f6886c
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changeset
|
843 @Override |
|
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changeset
|
844 public boolean supportsLikeEscapeClause() { |
|
a5a898f6886c
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changeset
|
845 return true; |
|
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parents:
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|
846 } |
|
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
847 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
848 /** |
|
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changeset
|
849 * Are multiple ResultSets from a single execute supported? |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
850 * |
|
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parents:
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changeset
|
851 * @return true if so |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
852 */ |
|
a5a898f6886c
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parents:
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changeset
|
853 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
854 public boolean supportsMultipleResultSets() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
855 return true; |
|
a5a898f6886c
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changeset
|
856 } |
|
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parents:
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changeset
|
857 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
858 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
859 * Can we have multiple transactions open at once (on different |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
860 * connections?) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
861 * This is the main idea behind the Connection, is it? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
862 * |
|
a5a898f6886c
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changeset
|
863 * @return true if so |
|
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parents:
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changeset
|
864 */ |
|
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changeset
|
865 @Override |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
866 public boolean supportsMultipleTransactions() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
867 return true; |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
868 } |
|
a5a898f6886c
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diff
changeset
|
869 |
|
a5a898f6886c
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parents:
diff
changeset
|
870 /** |
|
213
115f6351bf4b
Update some documentation text
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
200
diff
changeset
|
871 * Can columns be defined as non-nullable. |
|
231
68b9452f1215
Fix warnings:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
222
diff
changeset
|
872 * 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
|
873 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
874 * @return true if so |
|
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|
875 */ |
|
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|
876 @Override |
|
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|
877 public boolean supportsNonNullableColumns() { |
|
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|
878 return true; |
|
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|
879 } |
|
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|
880 |
|
a5a898f6886c
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|
881 /** |
|
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|
882 * Does this driver support the minimum ODBC SQL grammar. This |
|
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|
883 * grammar is defined at: |
|
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|
884 * |
|
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|
885 * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/odbc/htm/odappcpr.asp |
|
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|
886 * From this description, we seem to support the ODBC minimal (Level 0) grammar. |
|
a5a898f6886c
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|
887 * |
|
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changeset
|
888 * @return true if so |
|
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|
889 */ |
|
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|
890 @Override |
|
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|
891 public boolean supportsMinimumSQLGrammar() { |
|
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|
892 return true; |
|
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|
893 } |
|
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|
894 |
|
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|
895 /** |
|
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|
896 * Does this driver support the Core ODBC SQL grammar. We need |
|
a5a898f6886c
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|
897 * SQL-92 conformance for this. |
|
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|
898 * |
|
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|
899 * @return true if so |
|
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|
900 */ |
|
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|
901 @Override |
|
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|
902 public boolean supportsCoreSQLGrammar() { |
|
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changeset
|
903 return true; |
|
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|
904 } |
|
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|
905 |
|
a5a898f6886c
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|
906 /** |
|
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|
907 * Does this driver support the Extended (Level 2) ODBC SQL |
|
a5a898f6886c
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diff
changeset
|
908 * grammar. We don't conform to the Core (Level 1), so we can't |
|
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changeset
|
909 * conform to the Extended SQL Grammar. |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
910 * |
|
a5a898f6886c
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changeset
|
911 * @return true if so |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
912 */ |
|
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changeset
|
913 @Override |
|
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changeset
|
914 public boolean supportsExtendedSQLGrammar() { |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
915 return false; |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
916 } |
|
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changeset
|
917 |
|
a5a898f6886c
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changeset
|
918 /** |
|
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changeset
|
919 * Does this driver support the ANSI-92 entry level SQL grammar? |
|
231
68b9452f1215
Fix warnings:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
222
diff
changeset
|
920 * All JDBC Compliant <sup>TM</sup> drivers must return true. |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
921 * |
|
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|
922 * @return true if so |
|
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changeset
|
923 */ |
|
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changeset
|
924 @Override |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
925 public boolean supportsANSI92EntryLevelSQL() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
926 return true; |
|
a5a898f6886c
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changeset
|
927 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
928 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
929 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
930 * Does this driver support the ANSI-92 intermediate level SQL |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
931 * grammar? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
932 * probably not |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
933 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
934 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
935 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
936 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
937 public boolean supportsANSI92IntermediateSQL() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
938 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
939 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
940 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
941 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
942 * Does this driver support the ANSI-92 full SQL grammar? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
943 * Would be good if it was like that |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
944 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
945 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
946 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
947 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
948 public boolean supportsANSI92FullSQL() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
949 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
950 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
951 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
952 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
953 * Is the SQL Integrity Enhancement Facility supported? |
|
267
43ea6c50483e
Correct return value for supportsIntegrityEnhancementFacility()
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
265
diff
changeset
|
954 * |
|
43ea6c50483e
Correct return value for supportsIntegrityEnhancementFacility()
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
265
diff
changeset
|
955 * The SQL Integrity Enhancement facility offers additional tools for referential integrity, |
|
43ea6c50483e
Correct return value for supportsIntegrityEnhancementFacility()
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
265
diff
changeset
|
956 * CHECK constraint clauses, and DEFAULT clauses. Referential integrity allows specification of |
|
43ea6c50483e
Correct return value for supportsIntegrityEnhancementFacility()
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
265
diff
changeset
|
957 * primary and foreign keys with the requirement that no foreign key row may be inserted or |
|
43ea6c50483e
Correct return value for supportsIntegrityEnhancementFacility()
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
265
diff
changeset
|
958 * updated unless a matching primary key row exists. Check clauses allow specification of |
|
43ea6c50483e
Correct return value for supportsIntegrityEnhancementFacility()
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
265
diff
changeset
|
959 * inter-column constraints to be maintained by the database system. |
|
43ea6c50483e
Correct return value for supportsIntegrityEnhancementFacility()
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
265
diff
changeset
|
960 * Default clauses provide optional default values for missing data. |
|
43ea6c50483e
Correct return value for supportsIntegrityEnhancementFacility()
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
265
diff
changeset
|
961 * |
|
43ea6c50483e
Correct return value for supportsIntegrityEnhancementFacility()
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
265
diff
changeset
|
962 * We currently do not supprt CHECK constraints (see bug 3568) nor deferrable FK constraints. |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
963 * |
|
a5a898f6886c
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parents:
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changeset
|
964 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
965 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
966 @Override |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
967 public boolean supportsIntegrityEnhancementFacility() { |
|
267
43ea6c50483e
Correct return value for supportsIntegrityEnhancementFacility()
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265
diff
changeset
|
968 return false; |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
969 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
970 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
971 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
972 * Is some form of outer join supported? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
973 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
974 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
975 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
976 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
977 public boolean supportsOuterJoins(){ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
978 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
979 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
980 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
981 /** |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
982 * Are full nested outer joins supported? |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
983 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
984 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
985 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
986 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
987 public boolean supportsFullOuterJoins() { |
|
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|
988 return true; |
|
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|
989 } |
|
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|
990 |
|
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|
991 /** |
|
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|
992 * Is there limited support for outer joins? |
|
a5a898f6886c
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|
993 * |
|
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|
994 * @return true if so |
|
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|
995 */ |
|
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|
996 @Override |
|
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|
997 public boolean supportsLimitedOuterJoins() { |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
998 return false; |
|
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|
999 } |
|
a5a898f6886c
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|
1000 |
|
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Sjoerd Mullender <sjoerd@acm.org>
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|
1001 /** |
|
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|
1002 * What is the database vendor's preferred term for "schema"? |
|
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|
1003 * MonetDB uses the term "schema". |
|
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|
1004 * |
|
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|
1005 * @return the vendor term |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
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|
1006 */ |
|
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parents:
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changeset
|
1007 @Override |
|
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|
1008 public String getSchemaTerm() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
1009 return "schema"; |
|
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Sjoerd Mullender <sjoerd@acm.org>
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|
1010 } |
|
a5a898f6886c
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parents:
diff
changeset
|
1011 |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1012 /** |
|
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Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
1013 * What is the database vendor's preferred term for "procedure"? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1014 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1015 * @return the vendor term |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1016 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1017 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1018 public String getProcedureTerm() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1019 return "procedure"; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1020 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1021 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1022 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1023 * 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
|
1024 * 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
|
1025 * 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
|
1026 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1027 * @return the vendor term |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1028 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1029 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1030 public String getCatalogTerm() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1031 return "database"; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1032 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1033 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1034 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1035 * 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
|
1036 * (Otherwise it appears at the end). |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1037 * 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
|
1038 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1039 * @return true if so |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1042 public boolean isCatalogAtStart() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1043 // 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
|
1044 // 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
|
1045 return true; |
|
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 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1048 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1049 * What is the Catalog separator. |
|
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 * @return the catalog separator string |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1054 public String getCatalogSeparator() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1055 // 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
|
1056 return null; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1057 } |
|
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 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1060 * 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
|
1061 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1062 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1063 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1064 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1065 public boolean supportsSchemasInDataManipulation() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1066 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1067 } |
|
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 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1070 * 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
|
1071 * 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
|
1072 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1073 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1074 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1075 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1076 public boolean supportsSchemasInProcedureCalls() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1077 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1078 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1079 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1080 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1081 * 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
|
1082 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1083 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1084 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1085 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1086 public boolean supportsSchemasInTableDefinitions() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1087 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1088 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1089 |
|
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 * 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
|
1092 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1093 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1094 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1095 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1096 public boolean supportsSchemasInIndexDefinitions() { |
|
294
894abb249de1
Corrected 3 MonetDatabaseMetaData methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
286
diff
changeset
|
1097 // we currently do NOT support: create index sch.tblidx on sch.tbl(col); |
|
894abb249de1
Corrected 3 MonetDatabaseMetaData methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
286
diff
changeset
|
1098 // only: create index tblidx on sch.tbl(col); |
|
894abb249de1
Corrected 3 MonetDatabaseMetaData methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
286
diff
changeset
|
1099 return false; |
|
0
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 |
|
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:
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changeset
|
1103 * 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:
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changeset
|
1104 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1105 * @return true if so |
|
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:
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changeset
|
1107 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1108 public boolean supportsSchemasInPrivilegeDefinitions() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1109 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1110 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1111 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1112 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1113 * Can a catalog name be used in a data manipulation statement? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1114 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1115 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1116 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1117 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1118 public boolean supportsCatalogsInDataManipulation() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1119 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
1120 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1121 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1122 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1123 * Can a catalog name be used in a procedure call statement? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1124 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1125 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1126 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1127 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1128 public boolean supportsCatalogsInProcedureCalls() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1129 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1130 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1131 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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 * 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
|
1134 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1135 * @return true if so |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1138 public boolean supportsCatalogsInTableDefinitions() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1139 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1140 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1141 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1142 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1143 * 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
|
1144 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1145 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1146 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1147 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1148 public boolean supportsCatalogsInIndexDefinitions() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1149 return false; |
|
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 |
|
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 * 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
|
1154 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1155 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1156 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1157 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1158 public boolean supportsCatalogsInPrivilegeDefinitions() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1159 return false; |
|
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 |
|
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 * MonetDB doesn't support positioned DELETEs I guess |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1164 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1165 * @return true if so |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1168 public boolean supportsPositionedDelete() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1169 return false; |
|
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 |
|
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 * Is positioned UPDATE supported? (same as above) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1174 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1175 * @return true if so |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1178 public boolean supportsPositionedUpdate() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1179 return false; |
|
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 |
|
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 * Is SELECT FOR UPDATE supported? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1184 * My test resulted in a negative answer |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1185 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1186 * @return true if so; false otherwise |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1189 public boolean supportsSelectForUpdate(){ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1190 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1191 } |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1192 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1193 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1194 * Are stored procedure calls using the stored procedure escape |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1195 * syntax supported? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1196 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1197 * @return true if so; false otherwise |
|
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.
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parents:
diff
changeset
|
1199 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1200 public boolean supportsStoredProcedures() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1201 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1202 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1203 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1204 /** |
|
213
115f6351bf4b
Update some documentation text
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
200
diff
changeset
|
1205 * Are subqueries in comparison expressions supported? |
|
231
68b9452f1215
Fix warnings:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
222
diff
changeset
|
1206 * 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
|
1207 * MonetDB also supports this |
|
0
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.
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parents:
diff
changeset
|
1209 * @return true if so; false otherwise |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1210 */ |
|
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1211 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1212 public boolean supportsSubqueriesInComparisons() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1213 return true; |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1214 } |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1215 |
|
a5a898f6886c
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parents:
diff
changeset
|
1216 /** |
|
213
115f6351bf4b
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|
1217 * Are subqueries in 'exists' expressions supported? |
|
231
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|
1218 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
0
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|
1219 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
1220 * @return true if so; false otherwise |
|
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|
1221 */ |
|
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|
1222 @Override |
|
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|
1223 public boolean supportsSubqueriesInExists() { |
|
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|
1224 return true; |
|
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|
1225 } |
|
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|
1226 |
|
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|
1227 /** |
|
213
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|
1228 * Are subqueries in 'in' statements supported? |
|
231
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|
1229 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
0
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|
1230 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
1231 * @return true if so; false otherwise |
|
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|
1232 */ |
|
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|
1233 @Override |
|
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|
1234 public boolean supportsSubqueriesInIns() { |
|
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|
1235 return true; |
|
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|
1236 } |
|
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|
1237 |
|
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|
1238 /** |
|
213
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|
1239 * Are subqueries in quantified expressions supported? |
|
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|
1240 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
0
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|
1241 * |
|
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|
1242 * (No idea what this is, but we support a good deal of |
|
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|
1243 * subquerying.) |
|
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1244 * |
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1245 * @return true if so; false otherwise |
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1246 */ |
|
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|
1247 @Override |
|
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|
1248 public boolean supportsSubqueriesInQuantifieds() { |
|
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|
1249 return true; |
|
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|
1250 } |
|
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|
1251 |
|
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|
1252 /** |
|
213
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|
1253 * Are correlated subqueries supported? |
|
231
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|
1254 * A JDBC Compliant <sup>TM</sup> driver always returns true. |
|
0
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|
1255 * |
|
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|
1256 * (a.k.a. subselect in from?) |
|
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|
1257 * |
|
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|
1258 * @return true if so; false otherwise |
|
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|
1259 */ |
|
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|
1260 @Override |
|
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|
1261 public boolean supportsCorrelatedSubqueries() { |
|
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|
1262 return true; |
|
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|
1263 } |
|
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|
1264 |
|
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|
1265 /** |
|
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|
1266 * Is SQL UNION supported? |
|
a5a898f6886c
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|
1267 * since 2004-03-20 |
|
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|
1268 * |
|
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|
1269 * @return true if so |
|
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|
1270 */ |
|
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|
1271 @Override |
|
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|
1272 public boolean supportsUnion() { |
|
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|
1273 return true; |
|
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|
1274 } |
|
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|
1275 |
|
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|
1276 /** |
|
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|
1277 * Is SQL UNION ALL supported? |
|
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|
1278 * since 2004-03-20 |
|
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|
1279 * |
|
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|
1280 * @return true if so |
|
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|
1281 */ |
|
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|
1282 @Override |
|
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|
1283 public boolean supportsUnionAll() { |
|
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|
1284 return true; |
|
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|
1285 } |
|
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|
1286 |
|
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|
1287 /** |
|
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|
1288 * ResultSet objects (cursors) are not closed upon explicit or |
|
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|
1289 * implicit commit. |
|
a5a898f6886c
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|
1290 * |
|
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|
1291 * @return true if so |
|
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|
1292 */ |
|
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|
1293 @Override |
|
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|
1294 public boolean supportsOpenCursorsAcrossCommit() { |
|
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|
1295 return true; |
|
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|
1296 } |
|
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|
1297 |
|
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|
1298 /** |
|
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|
1299 * Same as above |
|
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|
1300 * |
|
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|
1301 * @return true if so |
|
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|
1302 */ |
|
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|
1303 @Override |
|
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|
1304 public boolean supportsOpenCursorsAcrossRollback() { |
|
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|
1305 return true; |
|
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1306 } |
|
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|
1307 |
|
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|
1308 /** |
|
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|
1309 * Can statements remain open across commits? They may, but |
|
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|
1310 * this driver cannot guarentee that. In further reflection. |
|
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1311 * we are taking a Statement object here, so the answer is |
|
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1312 * yes, since the Statement is only a vehicle to execute some SQL |
|
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1313 * |
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|
1314 * @return true if they always remain open; false otherwise |
|
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1315 */ |
|
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|
1316 @Override |
|
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|
1317 public boolean supportsOpenStatementsAcrossCommit() { |
|
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|
1318 return true; |
|
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1319 } |
|
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|
1320 |
|
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|
1321 /** |
|
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|
1322 * Can statements remain open across rollbacks? They may, but |
|
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|
1323 * this driver cannot guarentee that. In further contemplation, |
|
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|
1324 * we are taking a Statement object here, so the answer is yes again. |
|
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|
1325 * |
|
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|
1326 * @return true if they always remain open; false otherwise |
|
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1327 */ |
|
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|
1328 @Override |
|
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|
1329 public boolean supportsOpenStatementsAcrossRollback() { |
|
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diff
changeset
|
1330 return true; |
|
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 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1333 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1334 * How many hex characters can you have in an inline binary literal |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1335 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1336 * @return the max literal length |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1339 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
|
1340 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
|
1341 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1342 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1343 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1344 * 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
|
1345 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1346 * @return the max literal length |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1347 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1348 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1349 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
|
1350 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
|
1351 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1352 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1353 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1354 * Whats the limit on column name length. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1355 * I take some safety here, but it's just a varchar in MonetDB |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1356 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1357 * @return the maximum column name length |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1358 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1359 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1360 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
|
1361 return 1024; // In MonetDB the max length of column sys._columns.name is defined as 1024 |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1362 } |
|
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.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1364 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1365 * 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
|
1366 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1367 * @return the max number of columns |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1368 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1369 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1370 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
|
1371 return 0; // no specific limit known |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1372 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1373 |
|
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 * 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
|
1376 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1377 * @return max number of columns |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1378 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1379 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1380 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
|
1381 return 0; // no specific limit known |
|
0
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 |
|
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 * 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
|
1386 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1387 * @return the max columns |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1390 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
|
1391 return 0; // no specific limit known |
|
0
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 |
|
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 * 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
|
1396 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1397 * @return the max columns |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1400 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
|
1401 return 0; // no specific limit known |
|
0
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 |
|
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 * 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
|
1406 * |
|
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1407 * 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
|
1408 * 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
|
1409 * 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
|
1410 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1411 * @return the max columns |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1414 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
|
1415 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
|
1416 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1417 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1418 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1419 * 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
|
1420 * 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
|
1421 * 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
|
1422 * 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
|
1423 * 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
|
1424 * 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
|
1425 * number here. |
|
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 maximum number of connections |
|
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 |
|
7
b3ca1157be73
Improve DatabaseMetaData.getDatabaseProductVersion() to never return a null String.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
0
diff
changeset
|
1430 public int getMaxConnections() throws SQLException { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1431 if (env_max_clients == null) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1432 getEnvValues(); |
|
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 int max_clients = 16; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1435 if (env_max_clients != null) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1436 try { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1437 max_clients = Integer.parseInt(env_max_clients); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1438 } catch (NumberFormatException nfe) { /* ignore */ } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1439 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1440 return max_clients; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1441 } |
|
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 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1444 * What is the maximum cursor name length |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1445 * 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
|
1446 * a precaution for maybe the future. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1447 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1448 * @return max cursor name length in bytes |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1451 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
|
1452 return 0; // no specific limit known |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1453 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1454 |
|
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 * 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
|
1457 * of the parts of the index. |
|
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 * @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
|
1460 * 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
|
1461 * 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
|
1462 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1463 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1464 public int getMaxIndexLength() { |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1465 return 0; // no specific limit known |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1466 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1467 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1468 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1469 * 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
|
1470 * allows in a schema name. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1471 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1472 * @return 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
|
1473 * limit is unknown. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1474 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1475 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1476 public int getMaxSchemaNameLength() { |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1477 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
|
1478 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1479 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1480 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1481 * 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
|
1482 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1483 * @return the max name length in bytes |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1486 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
|
1487 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
|
1488 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1489 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1490 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1491 * What is the maximum length of a catalog |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1492 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1493 * @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
|
1494 * 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
|
1495 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1496 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1497 public int getMaxCatalogNameLength() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1498 return 0; // MonetDB does not support catalog names |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1499 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1500 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1501 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1502 * What is the maximum length of a single row? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1503 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1504 * @return max row size in bytes |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1505 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1506 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1507 public int getMaxRowSize() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1508 return 0; // very long I hope... |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1509 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1510 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1511 /** |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1512 * 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
|
1513 * blobs? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1514 * Yes I thought so... |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1515 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1516 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1517 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1518 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1519 public boolean doesMaxRowSizeIncludeBlobs() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1520 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1521 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1522 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1523 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1524 * What is the maximum length of a SQL statement? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1525 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1526 * @return max length in bytes |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1527 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1528 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1529 public int getMaxStatementLength() { |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1530 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
|
1531 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1532 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1533 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1534 * 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
|
1535 * this database? Basically, since each Statement downloads |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1536 * 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
|
1537 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1538 * @return the maximum |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1539 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1540 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1541 public int getMaxStatements() { |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
1542 return 0; // no specific limit known |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1543 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1544 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1545 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1546 * What is the maximum length of a table name |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1547 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1548 * @return max name length in bytes |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1549 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1550 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1551 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
|
1552 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
|
1553 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1554 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1555 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1556 * 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
|
1557 * in a SELECT? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1558 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1559 * @return the maximum |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1562 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
|
1563 return 0; // no specific limit known |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1564 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1565 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1566 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1567 * 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
|
1568 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1569 * @return the max name length in bytes |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1572 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
|
1573 return 1024; // In MonetDB the max length of column sys.db_user_info.name is defined as 1024 |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
1574 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
1575 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1576 /** |
|
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parents:
diff
changeset
|
1577 * What is the database's default transaction isolation level? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1578 * We only see commited data, nonrepeatable reads and phantom |
|
a5a898f6886c
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parents:
diff
changeset
|
1579 * reads can occur. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1580 * |
|
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parents:
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changeset
|
1581 * @return the default isolation level |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1582 * @see Connection |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
1583 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
1584 @Override |
|
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1585 public int getDefaultTransactionIsolation() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1586 return Connection.TRANSACTION_SERIALIZABLE; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1587 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1588 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1589 /** |
|
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parents:
diff
changeset
|
1590 * 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
|
1591 * and the isolation level is TRANSACTION_NONE. We do support |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1592 * transactions. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1593 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
1594 * @return true if transactions are supported |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1595 */ |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
1596 @Override |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1597 public boolean supportsTransactions() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1598 return true; |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1599 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
1600 |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1601 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
1602 * Does the database support the given transaction isolation level? |
|
213
115f6351bf4b
Update some documentation text
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
200
diff
changeset
|
1603 * We only support TRANSACTION_SERIALIZABLE as far as I know |
|
0
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parents:
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|
1604 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1605 * @param level the values are defined in java.sql.Connection |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
1606 * @return true if so |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1607 * @see Connection |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1608 */ |
|
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parents:
diff
changeset
|
1609 @Override |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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294
diff
changeset
|
1610 public boolean supportsTransactionIsolationLevel(final int level) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1611 return level == Connection.TRANSACTION_SERIALIZABLE; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1612 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1613 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1614 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1615 * Are both data definition and data manipulation transactions |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1616 * supported? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1617 * Supposedly that data definition is like CREATE or ALTER TABLE |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1618 * yes it is. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1619 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1620 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1621 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1622 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1623 public boolean supportsDataDefinitionAndDataManipulationTransactions() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
1624 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1625 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1626 |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1627 /** |
|
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parents:
diff
changeset
|
1628 * Are only data manipulation statements within a transaction |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1629 * supported? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1630 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
1631 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1632 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1633 @Override |
|
a5a898f6886c
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parents:
diff
changeset
|
1634 public boolean supportsDataManipulationTransactionsOnly() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1635 return false; |
|
a5a898f6886c
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parents:
diff
changeset
|
1636 } |
|
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1637 |
|
a5a898f6886c
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parents:
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changeset
|
1638 /** |
|
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diff
changeset
|
1639 * Does a data definition statement within a transaction force |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1640 * the transaction to commit? I think this means something like: |
|
a5a898f6886c
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|
1641 * |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
1642 * <pre> |
|
0
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changeset
|
1643 * CREATE TABLE T (A INT); |
|
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|
1644 * INSERT INTO T (A) VALUES (2); |
|
a5a898f6886c
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parents:
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|
1645 * BEGIN; |
|
a5a898f6886c
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diff
changeset
|
1646 * UPDATE T SET A = A + 1; |
|
a5a898f6886c
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parents:
diff
changeset
|
1647 * CREATE TABLE X (A INT); |
|
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parents:
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changeset
|
1648 * SELECT A FROM T INTO X; |
|
a5a898f6886c
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|
1649 * COMMIT; |
|
194
1296dbcc4958
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parents:
186
diff
changeset
|
1650 * </pre> |
|
0
a5a898f6886c
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parents:
diff
changeset
|
1651 * |
|
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parents:
diff
changeset
|
1652 * does the CREATE TABLE call cause a commit? The answer is no. |
|
a5a898f6886c
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parents:
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changeset
|
1653 * |
|
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diff
changeset
|
1654 * @return true if so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
1655 */ |
|
a5a898f6886c
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parents:
diff
changeset
|
1656 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1657 public boolean dataDefinitionCausesTransactionCommit() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1658 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
1659 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
1660 |
|
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|
1661 /** |
|
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|
1662 * Is a data definition statement within a transaction ignored? |
|
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|
1663 * |
|
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|
1664 * @return true if so |
|
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|
1665 */ |
|
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|
1666 @Override |
|
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|
1667 public boolean dataDefinitionIgnoredInTransactions() { |
|
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1668 return false; |
|
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|
1669 } |
|
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|
1670 |
|
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|
1671 /** |
|
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|
1672 * Get a description of stored procedures available in a catalog |
|
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|
1673 * |
|
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1674 * <p>Only procedure descriptions matching the schema and procedure |
|
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|
1675 * name criteria are returned. They are ordered by PROCEDURE_SCHEM, |
|
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|
1676 * PROCEDURE_NAME and SPECIFIC_NAME. |
|
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1677 * |
|
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1678 * <p>Each procedure description has the following columns: |
|
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1679 * <ol> |
|
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1680 * <li><b>PROCEDURE_CAT</b> String => procedure catalog (may be null) |
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1681 * <li><b>PROCEDURE_SCHEM</b> String => procedure schema (may be null) |
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1682 * <li><b>PROCEDURE_NAME</b> String => procedure name |
|
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1683 * <li><b>Field4</b> reserved (make it null) |
|
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1684 * <li><b>Field5</b> reserved (make it null) |
|
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1685 * <li><b>Field6</b> reserved (make it null) |
|
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1686 * <li><b>REMARKS</b> String => explanatory comment on the procedure |
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1687 * <li><b>PROCEDURE_TYPE</b> short => kind of procedure |
|
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1688 * <ul> |
|
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1689 * <li> procedureResultUnknown - May return a result |
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1690 * <li> procedureNoResult - Does not return a result |
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1691 * <li> procedureReturnsResult - Returns a result |
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1692 * </ul> |
|
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1693 * <li><b>SPECIFIC_NAME</b> String => The name which uniquely identifies this procedure within its schema. |
|
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1694 * </ol> |
|
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1695 * |
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1696 * @param catalog - a catalog name; must match the catalog name as it is stored in the database; |
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1697 * "" retrieves those without a catalog; |
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1698 * null means that the catalog name should not be used to narrow the search |
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|
1699 * @param schemaPattern - a schema name pattern; must match the schema name as it is stored in the database; |
|
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1700 * "" retrieves those without a schema; |
|
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|
1701 * null means that the schema name should not be used to narrow the search |
|
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|
1702 * @param procedureNamePattern - a procedure name pattern; must match the procedure name as it is stored in the database |
|
245
55375d489024
Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
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|
1703 * 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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|
1704 * @return ResultSet - each row is a procedure description |
|
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|
1705 * @throws SQLException if a database access error occurs |
|
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|
1706 */ |
|
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|
1707 @Override |
|
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|
1708 public ResultSet getProcedures( |
|
295
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1709 final String catalog, |
|
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|
1710 final String schemaPattern, |
|
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1711 final String procedureNamePattern |
|
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1712 ) throws SQLException |
|
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|
1713 { |
|
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1714 final boolean useCommentsTable = ((MonetConnection)con).commentsTableExists(); |
|
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|
1715 final StringBuilder query = new StringBuilder(980); |
|
217
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
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|
1716 query.append("SELECT cast(null as char(1)) AS \"PROCEDURE_CAT\", " + |
|
0
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|
1717 "\"schemas\".\"name\" AS \"PROCEDURE_SCHEM\", " + |
|
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|
1718 "\"functions\".\"name\" AS \"PROCEDURE_NAME\", " + |
|
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|
1719 "cast(null as char(1)) AS \"Field4\", " + |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
1720 "cast(null as char(1)) AS \"Field5\", " + |
|
215
71b039bc2d99
Added support for querying the sys.comments table for some meta data methods
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|
1721 "cast(null as char(1)) AS \"Field6\", ") |
|
71b039bc2d99
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|
1722 .append(useCommentsTable ? "COALESCE(\"comments\".\"remark\", cast(\"functions\".\"func\" as varchar(9999)))" : "cast(\"functions\".\"func\" as varchar(9999))").append(" AS \"REMARKS\", " + |
|
0
a5a898f6886c
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|
1723 // in MonetDB procedures have no return value by design. |
|
217
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
1724 "cast(").append(DatabaseMetaData.procedureNoResult).append(" AS smallint) AS \"PROCEDURE_TYPE\", " + |
|
0
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diff
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|
1725 // only the id value uniquely identifies a procedure. Include it to be able to differentiate between multiple overloaded procedures with the same name |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
1726 "cast(\"functions\".\"id\" as varchar(10)) AS \"SPECIFIC_NAME\" " + |
|
215
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|
1727 "FROM \"sys\".\"functions\" JOIN \"sys\".\"schemas\" ON (\"functions\".\"schema_id\" = \"schemas\".\"id\") "); |
|
71b039bc2d99
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|
1728 if (useCommentsTable) { |
|
71b039bc2d99
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|
1729 query.append("LEFT OUTER JOIN \"sys\".\"comments\" ON (\"functions\".\"id\" = \"comments\".\"id\") "); |
|
71b039bc2d99
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|
1730 } |
|
0
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|
1731 // include procedures only (type = 2). Others will be returned via getFunctions() |
|
215
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|
1732 query.append("WHERE \"functions\".\"type\" = 2"); |
|
0
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|
1733 |
|
216
116b5a149fb4
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|
1734 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
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|
1735 // non-empty catalog selection. |
|
0
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|
1736 // as we do not support catalogs this always results in no rows returned |
|
a5a898f6886c
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|
1737 query.append(" AND 1 = 0"); |
|
216
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|
1738 } else { |
|
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|
1739 if (schemaPattern != null) { |
|
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|
1740 query.append(" AND \"schemas\".\"name\" ").append(composeMatchPart(schemaPattern)); |
|
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1741 } |
|
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|
1742 if (procedureNamePattern != null) { |
|
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|
1743 query.append(" AND \"functions\".\"name\" ").append(composeMatchPart(procedureNamePattern)); |
|
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|
1744 } |
|
0
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|
1745 } |
|
216
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1746 |
|
0
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|
1747 query.append(" ORDER BY \"PROCEDURE_SCHEM\", \"PROCEDURE_NAME\", \"SPECIFIC_NAME\""); |
|
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|
1748 |
|
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|
1749 return executeMetaDataQuery(query.toString()); |
|
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|
1750 } |
|
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|
1751 |
|
a5a898f6886c
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|
1752 /** |
|
a5a898f6886c
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|
1753 * Get a description of a catalog's stored procedure parameters |
|
a5a898f6886c
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|
1754 * and result columns. |
|
a5a898f6886c
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|
1755 * |
|
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|
1756 * <p>Only descriptions matching the schema, procedure and parameter name |
|
a5a898f6886c
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|
1757 * criteria are returned. They are ordered by PROCEDURE_SCHEM, PROCEDURE_NAME |
|
a5a898f6886c
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|
1758 * and SPECIFIC_NAME. Within this, the return value, if any, is first. |
|
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1759 * Next are the parameter descriptions in call order. The |
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|
1760 * column descriptions follow in column number order. |
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1761 * |
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1762 * <p>Each row in the ResultSet is a parameter description or column |
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1763 * description with the following fields: |
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1764 * <ol> |
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1765 * <li><b>PROCEDURE_CAT</b> String => procedure catalog (may be null) |
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1766 * <li><b>PROCEDURE_SCHEM</b> String => procedure schema (may be null) |
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1767 * <li><b>PROCEDURE_NAME</b> String => procedure name |
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1768 * <li><b>COLUMN_NAME</b> String => column/parameter name |
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1769 * <li><b>COLUMN_TYPE</b> Short => kind of column/parameter: |
|
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1770 * <ul><li>procedureColumnUnknown - nobody knows |
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1771 * <li>procedureColumnIn - IN parameter |
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1772 * <li>procedureColumnInOut - INOUT parameter |
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1773 * <li>procedureColumnOut - OUT parameter |
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1774 * <li>procedureColumnReturn - procedure return value |
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1775 * <li>procedureColumnResult - result column in ResultSet |
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1776 * </ul> |
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1777 * <li><b>DATA_TYPE</b> int => SQL type from java.sql.Types |
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1778 * <li><b>TYPE_NAME</b> String => SQL type name, for a UDT type the type name is fully qualified |
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1779 * <li><b>PRECISION</b> int => precision |
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1780 * <li><b>LENGTH</b> int => length in bytes of data |
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1781 * <li><b>SCALE</b> short => scale - null is returned for data types where SCALE is not applicable. |
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1782 * <li><b>RADIX</b> short => radix |
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1783 * <li><b>NULLABLE</b> short => can it contain NULL? |
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1784 * <ul><li>procedureNoNulls - does not allow NULL values |
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1785 * <li>procedureNullable - allows NULL values |
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1786 * <li>procedureNullableUnknown - nullability unknown |
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1787 * </ul> |
|
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1788 * <li><b>REMARKS</b> String => comment describing parameter/column |
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1789 * <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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1790 * The string NULL (not enclosed in quotes) - if NULL was specified as the default value |
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1791 * TRUNCATE (not enclosed in quotes) - if the specified default value cannot be represented without truncation |
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1792 * NULL - if a default value was not specified |
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1793 * <li><b>SQL_DATA_TYPE</b> int => reserved for future use |
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1794 * <li><b>SQL_DATETIME_SUB</b> int => reserved for future use |
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1795 * <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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1796 * <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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1797 * 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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1798 * 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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1799 * <li><b>IS_NULLABLE</b> String => ISO rules are used to determine the nullability for a column. |
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1800 * <ul><li>YES --- if the parameter can include NULLs |
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1801 * <li>NO --- if the parameter cannot include NULLs |
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1802 * <li>empty string --- if the nullability for the parameter is unknown |
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1803 * </ul> |
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1804 * <li><b>SPECIFIC_NAME</b> String => the name which uniquely identifies this procedure within its schema. |
|
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1805 * </ol> |
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1806 * @param catalog - a catalog name; must match the catalog name as it is stored in the database; |
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1807 * "" retrieves those without a catalog; |
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1808 * null means that the catalog name should not be used to narrow the search |
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1809 * @param schemaPattern - a schema name pattern; must match the schema name as it is stored in the database; |
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1810 * "" retrieves those without a schema; |
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1811 * null means that the schema name should not be used to narrow the search |
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1812 * @param procedureNamePattern - a procedure name pattern; must match the procedure name as it is stored in the database |
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1813 * 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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1814 * @param columnNamePattern - a column name pattern; must match the column name as it is stored in the database |
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1815 * 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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1816 * @return ResultSet - each row describes a stored procedure parameter or column |
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1817 * @throws SQLException if a database-access error occurs |
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1818 * @see #getSearchStringEscape |
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1819 */ |
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1820 @Override |
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1821 public ResultSet getProcedureColumns( |
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1822 final String catalog, |
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1823 final String schemaPattern, |
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1824 final String procedureNamePattern, |
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1825 final String columnNamePattern |
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1826 ) throws SQLException { |
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1827 final StringBuilder query = new StringBuilder(2900); |
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1828 query.append("SELECT cast(null as char(1)) AS \"PROCEDURE_CAT\", " + |
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1829 "\"schemas\".\"name\" AS \"PROCEDURE_SCHEM\", " + |
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1830 "\"functions\".\"name\" AS \"PROCEDURE_NAME\", " + |
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1831 "\"args\".\"name\" AS \"COLUMN_NAME\", " + |
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1832 "cast(CASE \"args\".\"inout\"" + |
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1833 " WHEN 0 THEN (CASE \"args\".\"number\" WHEN 0 THEN ").append(DatabaseMetaData.procedureColumnReturn).append(" ELSE ").append(DatabaseMetaData.procedureColumnOut).append(" END)" + |
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1834 " WHEN 1 THEN ").append(DatabaseMetaData.procedureColumnIn) |
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1835 .append(" ELSE ").append(DatabaseMetaData.procedureColumnUnknown).append(" END AS smallint) AS \"COLUMN_TYPE\", " + |
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1836 "cast(").append(MonetDriver.getSQLTypeMap("\"args\".\"type\"")).append(" AS int) AS \"DATA_TYPE\", " + |
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1837 "\"args\".\"type\" AS \"TYPE_NAME\", " + |
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1838 "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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1839 "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\", " + |
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1840 "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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1841 "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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1842 "cast(").append(DatabaseMetaData.procedureNullableUnknown).append(" AS smallint) AS \"NULLABLE\", " + |
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1843 "cast(null as char(1)) AS \"REMARKS\", " + |
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1844 "cast(null as char(1)) AS \"COLUMN_DEF\", " + |
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1845 "cast(0 as int) AS \"SQL_DATA_TYPE\", " + |
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1846 "cast(0 as int) AS \"SQL_DATETIME_SUB\", " + |
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1847 "cast(CASE WHEN \"args\".\"type\" IN ('char','varchar','clob') THEN \"args\".\"type_digits\" ELSE NULL END as int) AS \"CHAR_OCTET_LENGTH\", " + |
|
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1848 // in MonetDB procedures have no return value by design. The arguments in sys.args are numbered from 0 so we must add 1 to comply with the API specification. |
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217
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1849 "cast(\"args\".\"number\" + 1 as int) AS \"ORDINAL_POSITION\", " + |
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1850 "cast('' as varchar(3)) AS \"IS_NULLABLE\", " + |
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1851 // 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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1852 "cast(\"functions\".\"id\" as varchar(10)) AS \"SPECIFIC_NAME\" " + |
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1853 "FROM \"sys\".\"args\" " + |
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1854 "JOIN \"sys\".\"functions\" ON (\"args\".\"func_id\" = \"functions\".\"id\") " + |
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1855 "JOIN \"sys\".\"schemas\" ON (\"functions\".\"schema_id\" = \"schemas\".\"id\") " + |
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1856 // include procedures only (type = 2). Others will be returned via getFunctionColumns() |
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1857 "WHERE \"functions\".\"type\" = 2"); |
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1858 |
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1859 if (catalog != null && !catalog.isEmpty()) { |
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299
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1860 // non-empty catalog selection. |
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1861 // as we do not support catalogs this always results in no rows returned |
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1862 query.append(" AND 1 = 0"); |
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1863 } else { |
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1864 if (schemaPattern != null) { |
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1865 query.append(" AND \"schemas\".\"name\" ").append(composeMatchPart(schemaPattern)); |
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1866 } |
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1867 if (procedureNamePattern != null) { |
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1868 query.append(" AND \"functions\".\"name\" ").append(composeMatchPart(procedureNamePattern)); |
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1869 } |
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1870 if (columnNamePattern != null) { |
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1871 query.append(" AND \"args\".\"name\" ").append(composeMatchPart(columnNamePattern)); |
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1872 } |
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1873 } |
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1874 |
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1875 query.append(" ORDER BY \"PROCEDURE_SCHEM\", \"PROCEDURE_NAME\", \"SPECIFIC_NAME\", \"ORDINAL_POSITION\""); |
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1876 |
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1877 return executeMetaDataQuery(query.toString()); |
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1878 } |
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1879 |
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1880 |
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1881 //== this is a helper method which does not belong to the interface |
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1882 |
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1883 /** |
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1884 * Returns a SQL match part string where depending on the input value we |
|
245
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1885 * compose an exact match (use =) or match with wildcards (use LIKE) or IS NULL |
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1886 * |
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1887 * @param in the string to match |
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1888 * @return the SQL match part string |
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1889 */ |
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295
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1890 private static final String composeMatchPart(final String in) { |
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1891 if (in == null) |
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1892 return "IS NULL"; |
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1893 |
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1894 String sql = "= '"; |
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1895 // check if SQL wildcards are used in the input, if so use LIKE |
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1896 if (in.contains("%") || in.contains("_")) |
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1897 sql = "LIKE '"; |
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1898 |
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1899 // all slashes and single quotes in input are escaped with a slash. |
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1900 final String escaped = in.replaceAll("\\\\", "\\\\\\\\").replaceAll("'", "\\\\'"); |
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1901 |
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1902 return sql + escaped + "'"; |
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1903 } |
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1904 |
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1905 /** |
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1906 * Returns the given string between two double quotes for usage as |
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1907 * exact column or table name in SQL queries. |
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1908 * |
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1909 * @param in the string to quote |
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1910 * @return the quoted string |
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1911 */ |
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1912 // @SuppressWarnings("unused") |
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1913 // private static final String dq(String in) { |
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1914 // return "\"" + in.replaceAll("\\\\", "\\\\\\\\").replaceAll("\"", "\\\\\"") + "\""; |
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1915 // } |
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1916 |
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1917 //== end helper methods |
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1918 |
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1919 |
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1920 /** |
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1921 * Retrieves a description of the tables available in the given catalog. |
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1922 * Only table descriptions matching the catalog, schema, table name and type criteria are returned. |
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1923 * They are ordered by TABLE_TYPE, TABLE_CAT, TABLE_SCHEM and TABLE_NAME. |
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1924 * |
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1925 * <p>Each table description has the following columns: |
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1926 * |
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1927 * <ol> |
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1928 * <li><b>TABLE_CAT</b> String => table catalog (may be null) |
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1929 * <li><b>TABLE_SCHEM</b> String => table schema (may be null) |
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1930 * <li><b>TABLE_NAME</b> String => table name |
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1931 * <li><b>TABLE_TYPE</b> String => table type. Typical types are "TABLE", |
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1932 * "VIEW", "SYSTEM TABLE", "GLOBAL TEMPORARY", "LOCAL TEMPORARY", "ALIAS", "SYNONYM". |
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1933 * <li><b>REMARKS</b> String => explanatory comment on the table |
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1934 * <li><b>TYPE_CAT</b> String => the types catalog (may be null) |
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1935 * <li><b>TYPE_SCHEM</b> String => the types schema (may be null) |
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1936 * <li><b>TYPE_NAME</b> String => type name (may be null) |
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1937 * <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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1938 * <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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1939 * </ol> |
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1940 * |
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1941 * @param catalog - a catalog name; must match the catalog name as it is stored in the database; |
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1942 * "" retrieves those without a catalog; null means that the |
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1943 * catalog name should not be used to narrow the search |
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1944 * @param schemaPattern - a schema name pattern; must match the schema name as it is stored |
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1945 * in the database; "" retrieves those without a schema; |
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1946 * null means that the schema name should not be used to narrow the search |
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1947 * @param tableNamePattern - a table name pattern; must match the table name as it is stored in the database |
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1948 * For all tables this should be "%" |
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1949 * 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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1950 * @param types - a list of table types, which must be from the list of table types returned |
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1951 * from getTableTypes(),to include; null returns all types |
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1952 * @return ResultSet - each row is a table description |
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1953 * @throws SQLException if a database-access error occurs. |
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1954 */ |
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1955 @Override |
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1956 public ResultSet getTables( |
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1957 final String catalog, |
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1958 final String schemaPattern, |
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1959 final String tableNamePattern, |
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1960 final String types[] |
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1961 ) throws SQLException |
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1962 { |
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1963 // 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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1964 // as of Jul2015 release we also have a new table: sys.table_types with names for the new table types |
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1965 // 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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1966 final boolean preJul2015 = ("11.19.15".compareTo(getDatabaseProductVersion()) >= 0); |
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1967 /* for debug: System.out.println("getDatabaseProductVersion() is " + getDatabaseProductVersion() + " preJul2015 is " + preJul2015); */ |
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1968 |
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1969 final boolean useCommentsTable = ((MonetConnection)con).commentsTableExists(); |
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1970 final StringBuilder query = new StringBuilder(1600); |
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1971 if (preJul2015 && types != null && types.length > 0) { |
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1972 // 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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1973 query.append("SELECT * FROM ("); |
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1974 } |
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217
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1975 query.append("SELECT cast(null as char(1)) AS \"TABLE_CAT\", " + |
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1976 "\"schemas\".\"name\" AS \"TABLE_SCHEM\", " + |
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1977 "\"tables\".\"name\" AS \"TABLE_NAME\", "); |
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1978 if (preJul2015) { |
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1979 query.append( |
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1980 "CASE WHEN \"tables\".\"system\" = true AND \"tables\".\"type\" IN (0, 10) AND \"tables\".\"temporary\" = 0 THEN 'SYSTEM TABLE' " + |
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1981 "WHEN \"tables\".\"system\" = true AND \"tables\".\"type\" IN (1, 11) AND \"tables\".\"temporary\" = 0 THEN 'SYSTEM VIEW' " + |
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1982 "WHEN \"tables\".\"system\" = false AND \"tables\".\"type\" = 0 AND \"tables\".\"temporary\" = 0 THEN 'TABLE' " + |
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1983 "WHEN \"tables\".\"system\" = false AND \"tables\".\"type\" = 1 AND \"tables\".\"temporary\" = 0 THEN 'VIEW' " + |
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1984 "WHEN \"tables\".\"system\" = true AND \"tables\".\"type\" IN (0, 20) AND \"tables\".\"temporary\" = 1 THEN 'SYSTEM SESSION TABLE' " + |
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1985 "WHEN \"tables\".\"system\" = true AND \"tables\".\"type\" IN (1, 21) AND \"tables\".\"temporary\" = 1 THEN 'SYSTEM SESSION VIEW' " + |
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1986 "WHEN \"tables\".\"system\" = false AND \"tables\".\"type\" IN (0, 30) AND \"tables\".\"temporary\" = 1 THEN 'SESSION TABLE' " + |
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1987 "WHEN \"tables\".\"system\" = false AND \"tables\".\"type\" IN (1, 31) AND \"tables\".\"temporary\" = 1 THEN 'SESSION VIEW' " + |
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1988 "END AS \"TABLE_TYPE\", "); |
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1989 } else { |
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1990 query.append("\"table_types\".\"table_type_name\" AS \"TABLE_TYPE\", "); |
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1991 } |
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215
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1992 query.append(useCommentsTable ? "COALESCE(\"comments\".\"remark\", \"tables\".\"query\")" : "\"tables\".\"query\"").append(" AS \"REMARKS\", " + |
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1993 "cast(null as char(1)) AS \"TYPE_CAT\", " + |
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1994 "cast(null as char(1)) AS \"TYPE_SCHEM\", " + |
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1995 "cast(null as char(1)) AS \"TYPE_NAME\", " + |
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1996 "cast(null as char(1)) AS \"SELF_REFERENCING_COL_NAME\", " + |
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1997 "cast(null as char(1)) AS \"REF_GENERATION\" " + |
|
215
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1998 "FROM \"sys\".\"tables\""); |
|
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1999 if (useCommentsTable) { |
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2000 query.append(" LEFT OUTER JOIN \"sys\".\"comments\" ON (\"tables\".\"id\" = \"comments\".\"id\")"); |
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2001 } |
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2002 query.append(", \"sys\".\"schemas\""); |
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2003 if (!preJul2015) { |
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2004 query.append(", \"sys\".\"table_types\""); |
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2005 } |
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2006 query.append(" WHERE \"tables\".\"schema_id\" = \"schemas\".\"id\""); |
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2007 if (!preJul2015) { |
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2008 query.append(" AND \"tables\".\"type\" = \"table_types\".\"table_type_id\""); |
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2009 } |
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2010 |
|
216
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2011 if (catalog != null && !catalog.isEmpty()) { |
|
299
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2012 // non-empty catalog selection. |
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2013 // as we do not support catalogs this always results in no rows returned |
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2014 query.append(" AND 1 = 0"); |
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216
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2015 } else { |
|
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2016 if (schemaPattern != null) { |
|
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2017 query.append(" AND \"schemas\".\"name\" ").append(composeMatchPart(schemaPattern)); |
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2018 } |
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2019 if (tableNamePattern != null) { |
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2020 query.append(" AND \"tables\".\"name\" ").append(composeMatchPart(tableNamePattern)); |
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2021 } |
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2022 } |
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216
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2023 |
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2024 if (types != null && types.length > 0) { |
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2025 if (preJul2015) { |
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2026 query.append(") AS \"getTables\" WHERE \"TABLE_TYPE\" IN ("); |
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2027 } else { |
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2028 query.append(" AND \"table_types\".\"table_type_name\" IN ("); |
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2029 } |
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2030 for (int i = 0; i < types.length; i++) { |
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2031 if (i > 0) { |
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2032 query.append(", "); |
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2033 } |
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2034 query.append("'").append(types[i]).append("'"); |
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2035 } |
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2036 query.append(")"); |
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2037 } |
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2038 |
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2039 query.append(" ORDER BY \"TABLE_TYPE\", \"TABLE_SCHEM\", \"TABLE_NAME\""); |
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2040 |
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2041 return executeMetaDataQuery(query.toString()); |
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2042 } |
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2043 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2044 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2045 * Get the schema names available in this database. The results |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2046 * are ordered by schema name. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
2047 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2048 * <P>The schema column is: |
|
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|
2049 * <OL> |
|
194
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|
2050 * <LI><B>TABLE_SCHEM</B> String => schema name |
|
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Resolved javadoc many errors and warnings, such as:
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|
2051 * <LI><B>TABLE_CATALOG</B> String => catalog name (may be null) |
|
0
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|
2052 * </OL> |
|
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|
2053 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2054 * @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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|
2055 * is stored in the database;"" retrieves those without a |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2056 * 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
|
2057 * narrow down the search. |
|
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|
2058 * @param schemaPattern a schema name; must match the schema name as |
|
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|
2059 * it is stored in the database; null means schema name |
|
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|
2060 * should not be used to narrow down the search. |
|
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|
2061 * @return ResultSet each row has a single String column that is a |
|
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|
2062 * schema name |
|
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|
2063 * @throws SQLException if a database error occurs |
|
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2064 */ |
|
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2065 @Override |
|
295
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2066 public ResultSet getSchemas(final String catalog, final String schemaPattern) |
|
0
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|
2067 throws SQLException |
|
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2068 { |
|
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2069 final StringBuilder query = new StringBuilder(170); |
|
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|
2070 query.append("SELECT \"name\" AS \"TABLE_SCHEM\", " + |
|
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2071 "cast(null as char(1)) AS \"TABLE_CATALOG\" " + |
|
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|
2072 "FROM \"sys\".\"schemas\""); |
|
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2073 |
|
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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|
2074 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
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|
2075 // non-empty catalog selection. |
|
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|
2076 // as we do not support catalogs this always results in no rows returned |
|
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2077 query.append(" WHERE 1 = 0"); |
|
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|
2078 } else { |
|
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|
2079 if (schemaPattern != null) { |
|
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|
2080 query.append(" WHERE \"name\" ").append(composeMatchPart(schemaPattern)); |
|
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|
2081 } |
|
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|
2082 } |
|
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|
2083 query.append(" ORDER BY \"TABLE_SCHEM\""); |
|
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|
2084 |
|
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|
2085 return executeMetaDataQuery(query.toString()); |
|
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|
2086 } |
|
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|
2087 |
|
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|
2088 /** |
|
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|
2089 * Get the catalog names available in this database. The results |
|
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|
2090 * are ordered by catalog name. |
|
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|
2091 * |
|
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2092 * <P>The catalog column is: |
|
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2093 * <OL> |
|
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|
2094 * <LI><B>TABLE_CAT</B> String => catalog name |
|
0
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|
2095 * </OL> |
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2096 * |
|
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2097 * |
|
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2098 * @return ResultSet each row has a single String column that is a |
|
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2099 * catalog name |
|
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2100 * @throws SQLException if a database error occurs |
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2101 */ |
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2102 @Override |
|
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|
2103 public ResultSet getCatalogs() throws SQLException { |
|
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2104 // MonetDB does NOT support catalogs. |
|
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2105 // Return a resultset with no rows |
|
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|
2106 return executeMetaDataQuery("SELECT cast(null as char(1)) AS \"TABLE_CAT\" WHERE 1 = 0"); |
|
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2107 } |
|
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|
2108 |
|
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|
2109 /** |
|
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|
2110 * Get the table types available in this database. The results |
|
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|
2111 * are ordered by table type. |
|
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|
2112 * |
|
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|
2113 * <P>The table type is: |
|
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2114 * <OL> |
|
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|
2115 * <LI><B>TABLE_TYPE</B> String => table type. Typical types are "TABLE", |
|
0
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|
2116 * "VIEW", "SYSTEM TABLE", "GLOBAL TEMPORARY", |
|
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|
2117 * "LOCAL TEMPORARY", "ALIAS", "SYNONYM". |
|
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|
2118 * </OL> |
|
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|
2119 * |
|
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|
2120 * @return ResultSet each row has a single String column that is a |
|
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|
2121 * table type |
|
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|
2122 * @throws SQLException if a database error occurs |
|
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2123 */ |
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|
2124 @Override |
|
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|
2125 public ResultSet getTableTypes() throws SQLException { |
|
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|
2126 // as of Jul2015 release we have a new table: sys.table_types with more table types |
|
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|
2127 // For old (pre jul2015) servers fall back to old behavior. |
|
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2128 final boolean preJul2015 = ("11.19.15".compareTo(getDatabaseProductVersion()) >= 0); |
|
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|
2129 final String query = preJul2015 |
|
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|
2130 ? "SELECT 'SESSION TABLE' AS \"TABLE_TYPE\" UNION ALL " + |
|
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2131 "SELECT 'SESSION VIEW' UNION ALL " + |
|
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|
2132 "SELECT 'SYSTEM SESSION TABLE' UNION ALL " + |
|
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2133 "SELECT 'SYSTEM SESSION VIEW' UNION ALL " + |
|
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2134 "SELECT 'SYSTEM TABLE' UNION ALL " + |
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2135 "SELECT 'SYSTEM VIEW' UNION ALL " + |
|
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2136 "SELECT 'TABLE' UNION ALL " + |
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2137 "SELECT 'VIEW' ORDER BY 1" |
|
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|
2138 : "SELECT \"table_type_name\" AS \"TABLE_TYPE\" FROM \"sys\".\"table_types\" ORDER BY 1"; |
|
0
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2139 |
|
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|
2140 return executeMetaDataQuery(query); |
|
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|
2141 } |
|
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|
2142 |
|
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|
2143 /** |
|
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|
2144 * Get a description of table columns available in a catalog. |
|
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|
2145 * |
|
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|
2146 * <P>Only column descriptions matching the catalog, schema, table |
|
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|
2147 * and column name criteria are returned. They are ordered by |
|
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|
2148 * TABLE_SCHEM, TABLE_NAME and ORDINAL_POSITION. |
|
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2149 * |
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|
2150 * <P>Each column description has the following columns: |
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2151 * <OL> |
|
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2152 * <LI><B>TABLE_CAT</B> String => table catalog (may be null) |
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2153 * <LI><B>TABLE_SCHEM</B> String => table schema (may be null) |
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2154 * <LI><B>TABLE_NAME</B> String => table name |
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2155 * <LI><B>COLUMN_NAME</B> String => column name |
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2156 * <LI><B>DATA_TYPE</B> int => SQL type from java.sql.Types |
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2157 * <LI><B>TYPE_NAME</B> String => Data source dependent type name |
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2158 * <LI><B>COLUMN_SIZE</B> int => column size. For char or date |
|
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|
2159 * types this is the maximum number of characters, for numeric or |
|
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parents:
diff
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|
2160 * decimal types this is precision. |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2161 * <LI><B>BUFFER_LENGTH</B> is not used. |
|
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2162 * <LI><B>DECIMAL_DIGITS</B> int => the number of fractional digits |
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2163 * <LI><B>NUM_PREC_RADIX</B> int => Radix (typically either 10 or 2) |
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2164 * <LI><B>NULLABLE</B> int => is NULL allowed? |
|
0
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|
2165 * <UL> |
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|
2166 * <LI> columnNoNulls - might not allow NULL values |
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|
2167 * <LI> columnNullable - definitely allows NULL values |
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|
2168 * <LI> columnNullableUnknown - nullability unknown |
|
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|
2169 * </UL> |
|
194
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2170 * <LI><B>REMARKS</B> String => comment describing column (may be null) |
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2171 * <LI><B>COLUMN_DEF</B> String => default value (may be null) |
|
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2172 * <LI><B>SQL_DATA_TYPE</B> int => unused |
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2173 * <LI><B>SQL_DATETIME_SUB</B> int => unused |
|
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2174 * <LI><B>CHAR_OCTET_LENGTH</B> int => for char types the |
|
0
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|
2175 * maximum number of bytes in the column |
|
194
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2176 * <LI><B>ORDINAL_POSITION</B> int => index of column in table |
|
0
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|
2177 * (starting at 1) |
|
194
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2178 * <LI><B>IS_NULLABLE</B> String => "NO" means column definitely |
|
0
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|
2179 * does not allow NULL values; "YES" means the column might |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2180 * allow NULL values. An empty string means nobody knows. |
|
194
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2181 * <LI><B>SCOPE_CATALOG</B> String => catalog of table that is the scope of a reference attribute (null if DATA_TYPE isn't REF) |
|
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|
2182 * <LI><B>SCOPE_SCHEMA</B> String => schema of table that is the scope of a reference attribute (null if the DATA_TYPE isn't REF) |
|
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|
2183 * <LI><B>SCOPE_TABLE</B> String => table name that this the scope of a reference attribute (null if the DATA_TYPE isn't REF) |
|
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2184 * <LI><B>SOURCE_DATA_TYPE</B> short => source type of a distinct type or user-generated Ref type, SQL type from java.sql.Types (null if DATA_TYPE isn't DISTINCT or user-generated REF) |
|
1296dbcc4958
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|
2185 * <LI><B>IS_AUTOINCREMENT</B> String => Indicates whether this column is auto incremented |
|
0
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parents:
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|
2186 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2187 * <LI> YES --- if the column is auto incremented |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2188 * <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
|
2189 * <LI> empty string --- if it cannot be determined whether the column is auto incremented |
|
0
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|
2190 * </UL> |
|
194
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|
2191 * <LI><B>IS_GENERATEDCOLUMN</B> String => Indicates whether this is a generated column |
|
0
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Sjoerd Mullender <sjoerd@acm.org>
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|
2192 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2193 * <LI> YES --- if this a generated column |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2194 * <LI> NO --- if this not a generated column |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2195 * <LI> empty string --- if it cannot be determined whether this is a generated column |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2196 * </UL> |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2197 * </OL> |
|
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|
2198 * |
|
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|
2199 * @param catalog - a catalog name; must match the catalog name as it is stored in the database; |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2200 * "" retrieves those without a catalog; null means that the |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2201 * catalog name should not be used to narrow the search |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2202 * @param schemaPattern - a schema name pattern; must match the schema name as it is stored |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2203 * in the database; "" retrieves those without a schema; |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2204 * null means that the schema name should not be used to narrow the search |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2205 * @param tableNamePattern - a table name pattern; must match the table name as it is stored in the database |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2206 * For all tables this should be "%" |
|
245
55375d489024
Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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231
diff
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|
2207 * 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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|
2208 * @param columnNamePattern - a column name pattern; must match the column name as it is stored in the database |
|
245
55375d489024
Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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231
diff
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|
2209 * Note that our implementation allows this param to be null also (for efficiency as no extra LIKE "%" condition is added to be evaluated). |
|
0
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Sjoerd Mullender <sjoerd@acm.org>
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|
2210 * @return ResultSet - each row is a column description |
|
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Sjoerd Mullender <sjoerd@acm.org>
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2211 * @throws SQLException if a database error occurs |
|
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Sjoerd Mullender <sjoerd@acm.org>
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|
2212 * @see #getSearchStringEscape |
|
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|
2213 */ |
|
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|
2214 @Override |
|
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|
2215 public ResultSet getColumns( |
|
295
003ae6d881db
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|
2216 final String catalog, |
|
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|
2217 final String schemaPattern, |
|
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|
2218 final String tableNamePattern, |
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|
2219 final String columnNamePattern |
|
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|
2220 ) throws SQLException |
|
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|
2221 { |
|
295
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2222 final boolean useCommentsTable = ((MonetConnection)con).commentsTableExists(); |
|
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|
2223 final StringBuilder query = new StringBuilder(2450); |
|
0
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|
2224 query.append("SELECT cast(null as char(1)) AS \"TABLE_CAT\", " + |
|
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|
2225 "\"schemas\".\"name\" AS \"TABLE_SCHEM\", " + |
|
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|
2226 "\"tables\".\"name\" AS \"TABLE_NAME\", " + |
|
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|
2227 "\"columns\".\"name\" AS \"COLUMN_NAME\", " + |
|
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|
2228 "cast(").append(MonetDriver.getSQLTypeMap("\"columns\".\"type\"")).append(" AS int) AS \"DATA_TYPE\", " + |
|
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|
2229 "\"columns\".\"type\" AS \"TYPE_NAME\", " + |
|
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|
2230 "\"columns\".\"type_digits\" AS \"COLUMN_SIZE\", " + |
|
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|
2231 "0 AS \"BUFFER_LENGTH\", " + |
|
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|
2232 "\"columns\".\"type_scale\" AS \"DECIMAL_DIGITS\", " + |
|
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|
2233 "cast(CASE WHEN \"columns\".\"type\" IN ('decimal', 'numeric', 'sec_interval') THEN 10 " + |
|
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|
2234 "WHEN \"columns\".\"type\" IN ('int', 'smallint', 'tinyint', 'bigint', 'hugeint', 'float', 'real', 'double', 'oid', 'wrd') THEN 2 " + |
|
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|
2235 "ELSE 0 END AS int) AS \"NUM_PREC_RADIX\", " + |
|
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|
2236 "cast(CASE \"null\" WHEN true THEN ").append(ResultSetMetaData.columnNullable) |
|
215
71b039bc2d99
Added support for querying the sys.comments table for some meta data methods
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|
2237 .append(" WHEN false THEN ").append(ResultSetMetaData.columnNoNulls).append(" END AS int) AS \"NULLABLE\", ") |
|
217
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
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|
2238 .append(useCommentsTable ? "\"comments\".\"remark\"" : "cast(null AS varchar(9999))").append(" AS \"REMARKS\", " + |
|
0
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|
2239 "\"columns\".\"default\" AS \"COLUMN_DEF\", " + |
|
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|
2240 "cast(0 as int) AS \"SQL_DATA_TYPE\", " + |
|
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|
2241 "cast(0 as int) AS \"SQL_DATETIME_SUB\", " + |
|
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|
2242 "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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|
2243 "cast(\"columns\".\"number\" + 1 as int) AS \"ORDINAL_POSITION\", " + |
|
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2244 "cast(CASE \"null\" WHEN true THEN 'YES' WHEN false THEN 'NO' ELSE '' END AS varchar(3)) AS \"IS_NULLABLE\", " + |
|
217
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2245 "cast(null AS char(1)) AS \"SCOPE_CATALOG\", " + |
|
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2246 "cast(null AS char(1)) AS \"SCOPE_SCHEMA\", " + |
|
7cbd20ff628c
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|
2247 "cast(null AS char(1)) AS \"SCOPE_TABLE\", " + |
|
168
70630bc76ac6
Correct returned value for column SOURCE_DATA_TYPE of method getColumns().
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|
2248 "cast(null AS smallint) AS \"SOURCE_DATA_TYPE\", " + |
|
0
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|
2249 "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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|
2250 "cast('NO' AS varchar(3)) AS \"IS_GENERATEDCOLUMN\" " + |
|
215
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Added support for querying the sys.comments table for some meta data methods
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|
2251 "FROM \"sys\".\"columns\""); |
|
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2252 if (useCommentsTable) { |
|
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2253 query.append(" LEFT OUTER JOIN \"sys\".\"comments\" ON (\"columns\".\"id\" = \"comments\".\"id\")"); |
|
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2254 } |
|
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2255 query.append(", \"sys\".\"tables\"" + |
|
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2256 ", \"sys\".\"schemas\" " + |
|
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2257 "WHERE \"columns\".\"table_id\" = \"tables\".\"id\"" + |
|
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|
2258 " AND \"tables\".\"schema_id\" = \"schemas\".\"id\""); |
|
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2259 |
|
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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2260 if (catalog != null && !catalog.isEmpty()) { |
|
299
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2261 // non-empty catalog selection. |
|
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2262 // as we do not support catalogs this always results in no rows returned |
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2263 query.append(" AND 1 = 0"); |
|
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2264 } else { |
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2265 if (schemaPattern != null) { |
|
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2266 query.append(" AND \"schemas\".\"name\" ").append(composeMatchPart(schemaPattern)); |
|
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2267 } |
|
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2268 if (tableNamePattern != null) { |
|
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2269 query.append(" AND \"tables\".\"name\" ").append(composeMatchPart(tableNamePattern)); |
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2270 } |
|
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|
2271 if (columnNamePattern != null) { |
|
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|
2272 query.append(" AND \"columns\".\"name\" ").append(composeMatchPart(columnNamePattern)); |
|
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2273 } |
|
0
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|
2274 } |
|
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|
2275 |
|
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|
2276 query.append(" ORDER BY \"TABLE_SCHEM\", \"TABLE_NAME\", \"ORDINAL_POSITION\""); |
|
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2277 |
|
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|
2278 return executeMetaDataQuery(query.toString()); |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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2279 } |
|
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|
2280 |
|
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|
2281 /** |
|
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|
2282 * Get a description of the access rights for a table's columns. |
|
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|
2283 * MonetDB doesn't have this level of access rights. |
|
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|
2284 * |
|
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|
2285 * <P>Only privileges matching the column name criteria are |
|
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|
2286 * returned. They are ordered by COLUMN_NAME and PRIVILEGE. |
|
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2287 * |
|
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|
2288 * <P>Each privilige description has the following columns: |
|
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2289 * <OL> |
|
194
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2290 * <LI><B>TABLE_CAT</B> String => table catalog (may be null) |
|
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|
2291 * <LI><B>TABLE_SCHEM</B> String => table schema (may be null) |
|
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|
2292 * <LI><B>TABLE_NAME</B> String => table name |
|
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2293 * <LI><B>COLUMN_NAME</B> String => column name |
|
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|
2294 * <LI><B>GRANTOR</B> => grantor of access (may be null) |
|
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|
2295 * <LI><B>GRANTEE</B> String => grantee of access |
|
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2296 * <LI><B>PRIVILEGE</B> String => name of access (SELECT, |
|
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|
2297 * INSERT, UPDATE, REFRENCES, ...) |
|
194
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2298 * <LI><B>IS_GRANTABLE</B> String => "YES" if grantee is permitted |
|
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|
2299 * to grant to others; "NO" if not; null if unknown |
|
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|
2300 * </OL> |
|
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|
2301 * |
|
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|
2302 * @param catalog a catalog name; "" retrieves those without a catalog |
|
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|
2303 * @param schemaPattern a schema name; "" retrieves those without a schema |
|
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|
2304 * @param tableNamePattern a table name |
|
245
55375d489024
Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
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|
2305 * 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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|
2306 * @param columnNamePattern a column name pattern |
|
245
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Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
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|
2307 * 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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|
2308 * @return ResultSet each row is a column privilege description |
|
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|
2309 * @see #getSearchStringEscape |
|
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|
2310 * @throws SQLException if a database error occurs |
|
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|
2311 */ |
|
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|
2312 @Override |
|
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|
2313 public ResultSet getColumnPrivileges( |
|
295
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|
2314 final String catalog, |
|
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|
2315 final String schemaPattern, |
|
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|
2316 final String tableNamePattern, |
|
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|
2317 final String columnNamePattern |
|
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|
2318 ) throws SQLException |
|
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|
2319 { |
|
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|
2320 final boolean usePrivilege_codesTable = ((MonetConnection)con).privilege_codesTableExists(); |
|
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|
2321 final StringBuilder query = new StringBuilder(1100); |
|
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|
2322 query.append("SELECT cast(null as char(1)) AS \"TABLE_CAT\", " + |
|
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|
2323 "\"schemas\".\"name\" AS \"TABLE_SCHEM\", " + |
|
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|
2324 "\"tables\".\"name\" AS \"TABLE_NAME\", " + |
|
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|
2325 "\"columns\".\"name\" AS \"COLUMN_NAME\", " + |
|
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|
2326 "\"grantors\".\"name\" AS \"GRANTOR\", " + |
|
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|
2327 "\"grantees\".\"name\" AS \"GRANTEE\", ") |
|
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|
2328 .append(usePrivilege_codesTable ? "\"privilege_codes\".\"privilege_code_name\"" : |
|
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2329 "cast(CASE \"privileges\".\"privileges\" " + |
|
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|
2330 "WHEN 1 THEN 'SELECT' " + |
|
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|
2331 "WHEN 2 THEN 'UPDATE' " + |
|
a5a898f6886c
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|
2332 "WHEN 4 THEN 'INSERT' " + |
|
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|
2333 "WHEN 8 THEN 'DELETE' " + |
|
a5a898f6886c
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|
2334 "WHEN 16 THEN 'EXECUTE' " + |
|
a5a898f6886c
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|
2335 "WHEN 32 THEN 'GRANT' " + |
|
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|
2336 "ELSE NULL " + |
|
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|
2337 "END AS varchar(7))").append(" AS \"PRIVILEGE\", " + |
|
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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|
2338 "cast(CASE \"privileges\".\"grantable\" " + |
|
0
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parents:
diff
changeset
|
2339 "WHEN 0 THEN 'NO' " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2340 "WHEN 1 THEN 'YES' " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2341 "ELSE NULL " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2342 "END AS varchar(3)) AS \"IS_GRANTABLE\" " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2343 "FROM \"sys\".\"privileges\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2344 "\"sys\".\"tables\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2345 "\"sys\".\"schemas\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2346 "\"sys\".\"columns\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2347 "\"sys\".\"auths\" AS \"grantors\", " + |
|
219
4572f0694fde
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diff
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|
2348 "\"sys\".\"auths\" AS \"grantees\" "); |
|
4572f0694fde
Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
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218
diff
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|
2349 if (usePrivilege_codesTable) { |
|
4572f0694fde
Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
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218
diff
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|
2350 query.append(", \"sys\".\"privilege_codes\" "); |
|
4572f0694fde
Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
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diff
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|
2351 } |
|
4572f0694fde
Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
2352 query.append("WHERE \"privileges\".\"obj_id\" = \"columns\".\"id\" " + |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2353 "AND \"columns\".\"table_id\" = \"tables\".\"id\" " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2354 "AND \"tables\".\"schema_id\" = \"schemas\".\"id\" " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2355 "AND \"privileges\".\"auth_id\" = \"grantees\".\"id\" " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2356 "AND \"privileges\".\"grantor\" = \"grantors\".\"id\""); |
|
219
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|
2357 if (usePrivilege_codesTable) { |
|
4572f0694fde
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|
2358 query.append(" AND \"privileges\".\"privileges\" = \"privilege_codes\".\"privilege_code_id\""); |
|
4572f0694fde
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|
2359 } |
|
0
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|
2360 |
|
216
116b5a149fb4
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diff
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|
2361 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
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diff
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|
2362 // non-empty catalog selection. |
|
0
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|
2363 // 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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|
2364 query.append(" AND 1 = 0"); |
|
216
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|
2365 } 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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|
2366 if (schemaPattern != null) { |
|
116b5a149fb4
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|
2367 query.append(" AND \"schemas\".\"name\" ").append(composeMatchPart(schemaPattern)); |
|
116b5a149fb4
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|
2368 } |
|
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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|
2369 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:
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diff
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|
2370 query.append(" AND \"tables\".\"name\" ").append(composeMatchPart(tableNamePattern)); |
|
116b5a149fb4
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
215
diff
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|
2371 } |
|
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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|
2372 if (columnNamePattern != null) { |
|
116b5a149fb4
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
215
diff
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|
2373 query.append(" AND \"columns\".\"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>
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215
diff
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|
2374 } |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2375 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2376 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2377 query.append(" ORDER BY \"TABLE_SCHEM\", \"TABLE_NAME\", \"COLUMN_NAME\", \"PRIVILEGE\""); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2378 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2379 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2380 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2381 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2382 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2383 * Get a description of the access rights for each table available |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2384 * in a catalog. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2385 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2386 * <P>Only privileges matching the schema and table name |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2387 * criteria are returned. They are ordered by TABLE_SCHEM, |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2388 * TABLE_NAME, and PRIVILEGE. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2389 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2390 * <P>Each privilege description has the following columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2391 * <OL> |
|
194
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
2392 * <LI><B>TABLE_CAT</B> String => table catalog (may be null) |
|
1296dbcc4958
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186
diff
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|
2393 * <LI><B>TABLE_SCHEM</B> String => table schema (may be null) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
2394 * <LI><B>TABLE_NAME</B> String => table name |
|
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
changeset
|
2395 * <LI><B>GRANTOR</B> => grantor of access (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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|
2396 * <LI><B>GRANTEE</B> String => grantee of access |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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186
diff
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|
2397 * <LI><B>PRIVILEGE</B> String => name of access (SELECT, |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
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|
2398 * INSERT, UPDATE, REFRENCES, ...) |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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|
2399 * <LI><B>IS_GRANTABLE</B> String => "YES" if grantee is permitted |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2400 * to grant to others; "NO" if not; null if unknown |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2401 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2402 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2403 * @param catalog a catalog name; "" retrieves those without a catalog |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2404 * @param schemaPattern a schema name pattern; "" retrieves those without a schema |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2405 * @param tableNamePattern a table name pattern |
|
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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|
2406 * 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
|
2407 * @return ResultSet each row is a table privilege description |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2408 * @see #getSearchStringEscape |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2409 * @throws SQLException if a database error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
2410 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
2411 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2412 public ResultSet getTablePrivileges( |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
2413 final String catalog, |
|
003ae6d881db
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294
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|
2414 final String schemaPattern, |
|
003ae6d881db
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diff
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|
2415 final String tableNamePattern |
|
0
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parents:
diff
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|
2416 ) throws SQLException |
|
a5a898f6886c
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|
2417 { |
|
295
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diff
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|
2418 final boolean usePrivilege_codesTable = ((MonetConnection)con).privilege_codesTableExists(); |
|
003ae6d881db
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changeset
|
2419 final StringBuilder query = new StringBuilder(1000); |
|
0
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diff
changeset
|
2420 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
|
2421 "\"schemas\".\"name\" AS \"TABLE_SCHEM\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2422 "\"tables\".\"name\" AS \"TABLE_NAME\", " + |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2423 "\"grantors\".\"name\" AS \"GRANTOR\", " + |
|
219
4572f0694fde
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|
2424 "\"grantees\".\"name\" AS \"GRANTEE\", ") |
|
4572f0694fde
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|
2425 .append(usePrivilege_codesTable ? "\"privilege_codes\".\"privilege_code_name\"" : |
|
217
7cbd20ff628c
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216
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|
2426 "cast(CASE \"privileges\".\"privileges\" " + |
|
0
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diff
changeset
|
2427 "WHEN 1 THEN 'SELECT' " + |
|
a5a898f6886c
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diff
changeset
|
2428 "WHEN 2 THEN 'UPDATE' " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2429 "WHEN 4 THEN 'INSERT' " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2430 "WHEN 8 THEN 'DELETE' " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2431 "WHEN 16 THEN 'EXECUTE' " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2432 "WHEN 32 THEN 'GRANT' " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2433 "ELSE NULL " + |
|
219
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2434 "END AS varchar(7))").append(" AS \"PRIVILEGE\", " + |
|
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2435 "cast(CASE \"privileges\".\"grantable\" " + |
|
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changeset
|
2436 "WHEN 0 THEN 'NO' " + |
|
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|
2437 "WHEN 1 THEN 'YES' " + |
|
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diff
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|
2438 "ELSE NULL " + |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2439 "END AS varchar(3)) AS \"IS_GRANTABLE\" " + |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
2440 "FROM \"sys\".\"privileges\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2441 "\"sys\".\"tables\", " + |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2442 "\"sys\".\"schemas\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2443 "\"sys\".\"auths\" AS \"grantors\", " + |
|
219
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Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
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|
2444 "\"sys\".\"auths\" AS \"grantees\" "); |
|
4572f0694fde
Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
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|
2445 if (usePrivilege_codesTable) { |
|
4572f0694fde
Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
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|
2446 query.append(", \"sys\".\"privilege_codes\" "); |
|
4572f0694fde
Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
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|
2447 } |
|
4572f0694fde
Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
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|
2448 query.append("WHERE \"privileges\".\"obj_id\" = \"tables\".\"id\" " + |
|
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diff
changeset
|
2449 "AND \"tables\".\"schema_id\" = \"schemas\".\"id\" " + |
|
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parents:
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changeset
|
2450 "AND \"privileges\".\"auth_id\" = \"grantees\".\"id\" " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2451 "AND \"privileges\".\"grantor\" = \"grantors\".\"id\""); |
|
219
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|
2452 if (usePrivilege_codesTable) { |
|
4572f0694fde
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|
2453 query.append(" AND \"privileges\".\"privileges\" = \"privilege_codes\".\"privilege_code_id\""); |
|
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2454 } |
|
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2455 |
|
216
116b5a149fb4
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|
2456 if (catalog != null && !catalog.isEmpty()) { |
|
299
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|
2457 // non-empty catalog selection. |
|
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|
2458 // as we do not support catalogs this always results in no rows returned |
|
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|
2459 query.append(" AND 1 = 0"); |
|
216
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2460 } else { |
|
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|
2461 if (schemaPattern != null) { |
|
116b5a149fb4
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|
2462 query.append(" AND \"schemas\".\"name\" ").append(composeMatchPart(schemaPattern)); |
|
116b5a149fb4
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|
2463 } |
|
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|
2464 if (tableNamePattern != null) { |
|
116b5a149fb4
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|
2465 query.append(" AND \"tables\".\"name\" ").append(composeMatchPart(tableNamePattern)); |
|
116b5a149fb4
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|
2466 } |
|
0
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parents:
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changeset
|
2467 } |
|
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diff
changeset
|
2468 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2469 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
|
2470 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2471 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2472 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2473 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2474 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2475 * Get a description of a table's optimal set of columns that |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2476 * uniquely identifies a row. They are ordered by SCOPE. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2477 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2478 * <P>Each column description has the following columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2479 * <OL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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|
2480 * <LI><B>SCOPE</B> short => actual scope of result |
|
0
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Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
2481 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2482 * <LI> bestRowTemporary - very temporary, while using row |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2483 * <LI> bestRowTransaction - valid for remainder of current transaction |
|
a5a898f6886c
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|
2484 * <LI> bestRowSession - valid for remainder of current session |
|
a5a898f6886c
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|
2485 * </UL> |
|
194
1296dbcc4958
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|
2486 * <LI><B>COLUMN_NAME</B> String => column name |
|
1296dbcc4958
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186
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|
2487 * <LI><B>DATA_TYPE</B> int => SQL data type from java.sql.Types |
|
1296dbcc4958
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186
diff
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|
2488 * <LI><B>TYPE_NAME</B> String => Data source dependent type name |
|
1296dbcc4958
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diff
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|
2489 * <LI><B>COLUMN_SIZE</B> int => precision |
|
1296dbcc4958
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186
diff
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|
2490 * <LI><B>BUFFER_LENGTH</B> int => not used |
|
1296dbcc4958
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186
diff
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|
2491 * <LI><B>DECIMAL_DIGITS</B> short => scale |
|
1296dbcc4958
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186
diff
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|
2492 * <LI><B>PSEUDO_COLUMN</B> short => is this a pseudo column |
|
0
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diff
changeset
|
2493 * like an Oracle ROWID |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2494 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2495 * <LI> bestRowUnknown - may or may not be pseudo column |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2496 * <LI> bestRowNotPseudo - is NOT a pseudo column |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2497 * <LI> bestRowPseudo - is a pseudo column |
|
a5a898f6886c
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|
2498 * </UL> |
|
a5a898f6886c
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|
2499 * </OL> |
|
a5a898f6886c
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|
2500 * |
|
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|
2501 * @param catalog a catalog name; "" retrieves those without a catalog |
|
a5a898f6886c
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|
2502 * @param schema a schema name; "" retrieves those without a schema |
|
a5a898f6886c
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|
2503 * @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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|
2504 * 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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|
2505 * @param scope the scope of interest; use same values as SCOPE |
|
a5a898f6886c
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|
2506 * @param nullable include columns that are nullable? |
|
a5a898f6886c
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|
2507 * @return ResultSet each row is a column description |
|
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|
2508 * @throws SQLException if a database error occurs |
|
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|
2509 */ |
|
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|
2510 @Override |
|
a5a898f6886c
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|
2511 public ResultSet getBestRowIdentifier( |
|
295
003ae6d881db
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|
2512 final String catalog, |
|
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|
2513 final String schema, |
|
003ae6d881db
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changeset
|
2514 final String table, |
|
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|
2515 final int scope, |
|
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|
2516 final boolean nullable |
|
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|
2517 ) throws SQLException |
|
a5a898f6886c
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|
2518 { |
|
295
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|
2519 final StringBuilder query = new StringBuilder(1500); |
|
217
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|
2520 query.append("SELECT cast(").append(DatabaseMetaData.bestRowSession).append(" AS smallint) AS \"SCOPE\", " + |
|
0
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changeset
|
2521 "\"columns\".\"name\" AS \"COLUMN_NAME\", " + |
|
a5a898f6886c
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changeset
|
2522 "cast(").append(MonetDriver.getSQLTypeMap("\"columns\".\"type\"")).append(" AS int) AS \"DATA_TYPE\", " + |
|
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changeset
|
2523 "\"columns\".\"type\" AS \"TYPE_NAME\", " + |
|
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|
2524 "\"columns\".\"type_digits\" AS \"COLUMN_SIZE\", " + |
|
217
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|
2525 "cast(0 as int) AS \"BUFFER_LENGTH\", " + |
|
7cbd20ff628c
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|
2526 "cast(\"columns\".\"type_scale\" AS smallint) AS \"DECIMAL_DIGITS\", " + |
|
7cbd20ff628c
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changeset
|
2527 "cast(").append(DatabaseMetaData.bestRowNotPseudo).append(" AS smallint) AS \"PSEUDO_COLUMN\" " + |
|
0
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changeset
|
2528 "FROM \"sys\".\"keys\", " + |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
2529 "\"sys\".\"objects\", " + |
|
a5a898f6886c
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diff
changeset
|
2530 "\"sys\".\"columns\", " + |
|
a5a898f6886c
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changeset
|
2531 "\"sys\".\"tables\", " + |
|
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|
2532 "\"sys\".\"schemas\" " + |
|
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|
2533 "WHERE \"keys\".\"id\" = \"objects\".\"id\" " + |
|
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changeset
|
2534 "AND \"keys\".\"table_id\" = \"tables\".\"id\" " + |
|
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|
2535 "AND \"keys\".\"table_id\" = \"columns\".\"table_id\" " + |
|
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|
2536 "AND \"objects\".\"name\" = \"columns\".\"name\" " + |
|
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|
2537 "AND \"tables\".\"schema_id\" = \"schemas\".\"id\" " + |
|
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|
2538 "AND \"keys\".\"type\" IN (0, 1)"); // only primary keys (type = 0) and unique keys (type = 1), not fkeys (type = 2) |
|
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|
2539 |
|
216
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2540 if (catalog != null && !catalog.isEmpty()) { |
|
299
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2541 // non-empty catalog selection. |
|
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|
2542 // as we do not support catalogs this always results in no rows returned |
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|
2543 query.append(" AND 1 = 0"); |
|
216
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2544 } else { |
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2545 if (scope != DatabaseMetaData.bestRowSession |
|
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2546 && scope != DatabaseMetaData.bestRowTransaction |
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2547 && scope != DatabaseMetaData.bestRowTemporary) { |
|
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2548 query.append(" AND 1 = 0"); |
|
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2549 } else { |
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2550 if (schema != null) { |
|
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2551 query.append(" AND \"schemas\".\"name\" ").append(composeMatchPart(schema)); |
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2552 } |
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2553 if (table != null) { |
|
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|
2554 query.append(" AND \"tables\".\"name\" ").append(composeMatchPart(table)); |
|
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|
2555 } |
|
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|
2556 if (!nullable) { |
|
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|
2557 query.append(" AND \"columns\".\"null\" = false"); |
|
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2558 } |
|
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2559 } |
|
0
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|
2560 } |
|
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|
2561 |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
2562 query.append(" ORDER BY \"keys\".\"type\", \"columns\".\"name\""); |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2563 |
|
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diff
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|
2564 return executeMetaDataQuery(query.toString()); |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2565 } |
|
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diff
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|
2566 |
|
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|
2567 /** |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2568 * Get a description of a table's columns that are automatically |
|
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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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|
2569 * updated when any value in a row is updated. They are unordered. |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2570 * |
|
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|
2571 * <P>Each column description has the following columns: |
|
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|
2572 * <OL> |
|
194
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|
2573 * <LI><B>SCOPE</B> short => is not used |
|
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|
2574 * <LI><B>COLUMN_NAME</B> String => column name |
|
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|
2575 * <LI><B>DATA_TYPE</B> int => SQL data type from java.sql.Types |
|
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|
2576 * <LI><B>TYPE_NAME</B> String => Data source dependent type name |
|
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|
2577 * <LI><B>COLUMN_SIZE</B> int => precision |
|
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|
2578 * <LI><B>BUFFER_LENGTH</B> int => length of column value in bytes |
|
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|
2579 * <LI><B>DECIMAL_DIGITS</B> short => scale |
|
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|
2580 * <LI><B>PSEUDO_COLUMN</B> short => is this a pseudo column like an Oracle ROWID |
|
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|
2581 * <UL> |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2582 * <LI> versionColumnUnknown - may or may not be pseudo column |
|
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diff
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|
2583 * <LI> versionColumnNotPseudo - is NOT a pseudo column |
|
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|
2584 * <LI> versionColumnPseudo - is a pseudo column |
|
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|
2585 * </UL> |
|
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|
2586 * </OL> |
|
a5a898f6886c
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parents:
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|
2587 * |
|
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|
2588 * @param catalog a catalog name; "" retrieves those without a catalog |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2589 * @param schema a schema name; "" retrieves those without a schema |
|
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|
2590 * @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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|
2591 * 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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|
2592 * @return ResultSet each row is a column description |
|
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|
2593 * @throws SQLException if a database error occurs |
|
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|
2594 */ |
|
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|
2595 @Override |
|
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|
2596 public ResultSet getVersionColumns( |
|
295
003ae6d881db
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|
2597 final String catalog, |
|
003ae6d881db
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|
2598 final String schema, |
|
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|
2599 final String table |
|
0
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|
2600 ) throws SQLException |
|
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|
2601 { |
|
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|
2602 // MonetDB currently does not have columns which update themselves, so return an empty ResultSet |
|
295
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|
2603 final String query = |
|
217
7cbd20ff628c
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216
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|
2604 "SELECT cast(0 as smallint) AS \"SCOPE\", " + |
|
7cbd20ff628c
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|
2605 "cast(null as char(1)) AS \"COLUMN_NAME\", " + |
|
7cbd20ff628c
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|
2606 "cast(0 as int) AS \"DATA_TYPE\", " + |
|
7cbd20ff628c
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|
2607 "cast(null as char(1)) AS \"TYPE_NAME\", " + |
|
7cbd20ff628c
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|
2608 "cast(0 as int) AS \"COLUMN_SIZE\", " + |
|
7cbd20ff628c
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|
2609 "cast(0 as int) AS \"BUFFER_LENGTH\", " + |
|
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|
2610 "cast(0 as smallint) AS \"DECIMAL_DIGITS\", " + |
|
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|
2611 "cast(0 as smallint) AS \"PSEUDO_COLUMN\" " + |
|
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|
2612 "WHERE 1 = 0"; |
|
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|
2613 |
|
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|
2614 return executeMetaDataQuery(query); |
|
a5a898f6886c
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|
2615 } |
|
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|
2616 |
|
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|
2617 /** |
|
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|
2618 * Get a description of a table's primary key columns. They |
|
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|
2619 * are ordered by COLUMN_NAME. |
|
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|
2620 * |
|
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|
2621 * <P>Each column description has the following columns: |
|
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|
2622 * <OL> |
|
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|
2623 * <LI><B>TABLE_CAT</B> String => table catalog (may be null) |
|
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|
2624 * <LI><B>TABLE_SCHEM</B> String => table schema (may be null) |
|
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|
2625 * <LI><B>TABLE_NAME</B> String => table name |
|
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|
2626 * <LI><B>COLUMN_NAME</B> String => column name |
|
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|
2627 * <LI><B>KEY_SEQ</B> short => sequence number within primary key |
|
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2628 * <LI><B>PK_NAME</B> String => primary key name (may be null) |
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parents:
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|
2629 * </OL> |
|
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parents:
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|
2630 * |
|
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|
2631 * @param catalog a catalog name; "" retrieves those without a catalog |
|
245
55375d489024
Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
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231
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|
2632 * @param schema a schema name pattern; "" retrieves those without a schema |
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|
2633 * @param table a table name |
|
245
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Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
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|
2634 * Note that our implementation allows this param to be null also (for efficiency as no extra LIKE "%" condition is added to be evaluated). |
|
0
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parents:
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changeset
|
2635 * @return ResultSet each row is a primary key column description |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2636 * @throws SQLException if a database error occurs |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2637 */ |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2638 @Override |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2639 public ResultSet getPrimaryKeys( |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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|
2640 final String catalog, |
|
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Add "final" keyword to method arguments and local variables where possible.
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|
2641 final String schema, |
|
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Add "final" keyword to method arguments and local variables where possible.
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|
2642 final String table |
|
0
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parents:
diff
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|
2643 ) throws SQLException |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2644 { |
|
295
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Add "final" keyword to method arguments and local variables where possible.
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|
2645 final StringBuilder query = new StringBuilder(600); |
|
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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|
2646 query.append("SELECT cast(null AS char(1)) AS \"TABLE_CAT\", " + |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2647 "\"schemas\".\"name\" AS \"TABLE_SCHEM\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2648 "\"tables\".\"name\" AS \"TABLE_NAME\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2649 "\"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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|
2650 "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>
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diff
changeset
|
2651 " \"keys\".\"name\" AS \"PK_NAME\" " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2652 "FROM \"sys\".\"keys\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2653 "\"sys\".\"objects\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2654 "\"sys\".\"tables\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2655 "\"sys\".\"schemas\" " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2656 "WHERE \"keys\".\"id\" = \"objects\".\"id\" " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2657 "AND \"keys\".\"table_id\" = \"tables\".\"id\" " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2658 "AND \"tables\".\"schema_id\" = \"schemas\".\"id\" " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2659 "AND \"keys\".\"type\" = 0"); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2660 |
|
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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|
2661 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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298
diff
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|
2662 // non-empty catalog selection. |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2663 // 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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|
2664 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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|
2665 } 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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|
2666 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.
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215
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|
2667 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.
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|
2668 } |
|
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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|
2669 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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|
2670 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.
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|
2671 } |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
2672 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2673 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2674 query.append(" ORDER BY \"TABLE_SCHEM\", \"TABLE_NAME\", \"COLUMN_NAME\""); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2675 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2676 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2677 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2678 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2679 |
|
186
4767b005a531
Making variables private where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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177
diff
changeset
|
2680 private static final String keyQuery = |
|
217
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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216
diff
changeset
|
2681 "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
|
2682 "\"pkschema\".\"name\" AS \"PKTABLE_SCHEM\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2683 "\"pktable\".\"name\" AS \"PKTABLE_NAME\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2684 "\"pkkeycol\".\"name\" AS \"PKCOLUMN_NAME\", " + |
|
217
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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216
diff
changeset
|
2685 "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
|
2686 "\"fkschema\".\"name\" AS \"FKTABLE_SCHEM\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2687 "\"fktable\".\"name\" AS \"FKTABLE_NAME\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
2688 "\"fkkeycol\".\"name\" AS \"FKCOLUMN_NAME\", " + |
|
217
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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216
diff
changeset
|
2689 "cast(1 + \"pkkeycol\".\"nr\" AS smallint) AS \"KEY_SEQ\", " + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2690 DatabaseMetaData.importedKeyNoAction + " AS \"UPDATE_RULE\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2691 DatabaseMetaData.importedKeyNoAction + " AS \"DELETE_RULE\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2692 "\"fkkey\".\"name\" AS \"FK_NAME\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2693 "\"pkkey\".\"name\" AS \"PK_NAME\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2694 DatabaseMetaData.importedKeyNotDeferrable + " AS \"DEFERRABILITY\" " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2695 "FROM \"sys\".\"keys\" AS \"fkkey\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2696 "\"sys\".\"keys\" AS \"pkkey\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2697 "\"sys\".\"objects\" AS \"fkkeycol\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2698 "\"sys\".\"objects\" AS \"pkkeycol\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2699 "\"sys\".\"tables\" AS \"fktable\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2700 "\"sys\".\"tables\" AS \"pktable\", " + |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2701 "\"sys\".\"schemas\" AS \"fkschema\", " + |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2702 "\"sys\".\"schemas\" AS \"pkschema\" " + |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2703 "WHERE \"fktable\".\"id\" = \"fkkey\".\"table_id\"" + |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2704 " AND \"pktable\".\"id\" = \"pkkey\".\"table_id\"" + |
|
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|
2705 " AND \"fkkey\".\"id\" = \"fkkeycol\".\"id\"" + |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2706 " AND \"pkkey\".\"id\" = \"pkkeycol\".\"id\"" + |
|
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|
2707 " AND \"fkschema\".\"id\" = \"fktable\".\"schema_id\"" + |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2708 " AND \"pkschema\".\"id\" = \"pktable\".\"schema_id\"" + |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2709 " AND \"fkkey\".\"rkey\" > -1" + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2710 " AND \"fkkey\".\"rkey\" = \"pkkey\".\"id\"" + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2711 " AND \"fkkeycol\".\"nr\" = \"pkkeycol\".\"nr\""; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2712 |
|
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|
2713 /** |
|
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|
2714 * Get a description of the primary key columns that are |
|
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|
2715 * referenced by a table's foreign key columns (the primary keys |
|
a5a898f6886c
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|
2716 * imported by a table). They are ordered by PKTABLE_CAT, |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2717 * PKTABLE_SCHEM, PKTABLE_NAME, and KEY_SEQ. |
|
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|
2718 * |
|
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|
2719 * <P>Each primary key column description has the following columns: |
|
a5a898f6886c
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|
2720 * <OL> |
|
194
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|
2721 * <LI><B>PKTABLE_CAT</B> String => primary key table catalog |
|
0
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|
2722 * being imported (may be null) |
|
194
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|
2723 * <LI><B>PKTABLE_SCHEM</B> String => primary key table schema |
|
0
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|
2724 * being imported (may be null) |
|
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|
2725 * <LI><B>PKTABLE_NAME</B> String => primary key table name |
|
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|
2726 * being imported |
|
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|
2727 * <LI><B>PKCOLUMN_NAME</B> String => primary key column name |
|
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|
2728 * being imported |
|
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|
2729 * <LI><B>FKTABLE_CAT</B> String => foreign key table catalog (may be null) |
|
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|
2730 * <LI><B>FKTABLE_SCHEM</B> String => foreign key table schema (may be null) |
|
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186
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|
2731 * <LI><B>FKTABLE_NAME</B> String => foreign key table name |
|
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|
2732 * <LI><B>FKCOLUMN_NAME</B> String => foreign key column name |
|
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|
2733 * <LI><B>KEY_SEQ</B> short => sequence number within foreign key |
|
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|
2734 * (a value of 1 represents the first column of the foreign key, a value of 2 would represent the second column within the foreign key). |
|
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2735 * <LI><B>UPDATE_RULE</B> short => What happens to |
|
0
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parents:
diff
changeset
|
2736 * foreign key when primary is updated: |
|
a5a898f6886c
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parents:
diff
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|
2737 * <UL> |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2738 * <LI> importedKeyNoAction - do not allow update of primary key if it has been imported |
|
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parents:
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changeset
|
2739 * <LI> importedKeyCascade - change imported key to agree |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2740 * with primary key update |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2741 * <LI> importedKeyRestrict - do not allow update of primary |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2742 * key if it has been imported |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2743 * <LI> importedKeySetNull - change imported key to NULL if |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2744 * its primary key has been updated |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2745 * </UL> |
|
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2746 * <LI><B>DELETE_RULE</B> short => What happens to |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2747 * the foreign key when primary is deleted. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2748 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
2749 * <LI> importedKeyNoAction - do not allow delete of primary key if it has been imported |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2750 * <LI> importedKeyCascade - delete rows that import a deleted key |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2751 * <LI> importedKeyRestrict - do not allow delete of primary |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
2752 * key if it has been imported |
|
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parents:
diff
changeset
|
2753 * <LI> importedKeySetNull - change imported key to NULL if |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2754 * its primary key has been deleted |
|
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|
2755 * </UL> |
|
194
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2756 * <LI><B>FK_NAME</B> String => foreign key name (may be null) |
|
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|
2757 * <LI><B>PK_NAME</B> String => primary key name (may be null) |
|
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2758 * <LI><B>DEFERRABILITY</B> short => can the evaluation of foreign key constraints be deferred until commit |
|
0
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parents:
diff
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|
2759 * <UL> |
|
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parents:
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|
2760 * <LI> importedKeyInitiallyDeferred - see SQL92 for definition |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2761 * <LI> importedKeyInitiallyImmediate - see SQL92 for definition |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2762 * <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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|
2763 * </UL> |
|
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parents:
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|
2764 * </OL> |
|
a5a898f6886c
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parents:
diff
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|
2765 * |
|
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parents:
diff
changeset
|
2766 * @param catalog a catalog name; "" retrieves those without a catalog |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2767 * @param schema a schema name pattern; "" retrieves those without a schema |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2768 * @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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|
2769 * Note that our implementation allows this param to be null also (for efficiency as no extra LIKE "%" condition is added to be evaluated). |
|
0
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parents:
diff
changeset
|
2770 * @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
|
2771 * @see #getExportedKeys |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2772 * @throws SQLException if a database error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2773 */ |
|
a5a898f6886c
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|
2774 @Override |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
2775 public ResultSet getImportedKeys( |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
2776 final String catalog, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
2777 final String schema, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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|
2778 final String table |
|
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Add "final" keyword to method arguments and local variables where possible.
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|
2779 ) throws SQLException |
|
0
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|
2780 { |
|
295
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|
2781 final StringBuilder query = new StringBuilder(keyQuery.length() + 250); |
|
0
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diff
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|
2782 query.append(keyQuery); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2783 |
|
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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|
2784 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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298
diff
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|
2785 // non-empty catalog selection. |
|
0
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parents:
diff
changeset
|
2786 // 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:
diff
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|
2787 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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|
2788 } 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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|
2789 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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|
2790 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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diff
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|
2791 } |
|
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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|
2792 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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|
2793 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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|
2794 } |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2795 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
2796 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2797 query.append(" ORDER BY \"PKTABLE_SCHEM\", \"PKTABLE_NAME\", \"PK_NAME\", \"KEY_SEQ\""); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
2798 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2799 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
2800 } |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2801 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2802 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2803 * Get a description of a foreign key columns that reference a |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2804 * table's primary key columns (the foreign keys exported by a table). |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
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|
2805 * They are ordered by FKTABLE_CAT, FKTABLE_SCHEM, FKTABLE_NAME, and KEY_SEQ. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
2806 * |
|
a5a898f6886c
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|
2807 * <P>Each foreign key column description has the following columns: |
|
a5a898f6886c
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|
2808 * <OL> |
|
194
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|
2809 * <LI><B>PKTABLE_CAT</B> String => primary key table catalog (may be null) |
|
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|
2810 * <LI><B>PKTABLE_SCHEM</B> String => primary key table schema (may be null) |
|
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|
2811 * <LI><B>PKTABLE_NAME</B> String => primary key table name |
|
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|
2812 * <LI><B>PKCOLUMN_NAME</B> String => primary key column name |
|
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|
2813 * <LI><B>FKTABLE_CAT</B> String => foreign key table catalog (may be null) |
|
0
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|
2814 * being exported (may be null) |
|
194
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|
2815 * <LI><B>FKTABLE_SCHEM</B> String => foreign key table schema (may be null) |
|
0
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|
2816 * being exported (may be null) |
|
194
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|
2817 * <LI><B>FKTABLE_NAME</B> String => foreign key table name |
|
0
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|
2818 * being exported |
|
194
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|
2819 * <LI><B>FKCOLUMN_NAME</B> String => foreign key column name |
|
0
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|
2820 * being exported |
|
194
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|
2821 * <LI><B>KEY_SEQ</B> short => sequence number within foreign key |
|
0
a5a898f6886c
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diff
changeset
|
2822 * (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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2823 * <LI><B>UPDATE_RULE</B> short => What happens to |
|
0
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2824 * foreign key when primary is updated: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2825 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2826 * <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
|
2827 * <LI> importedKeyCascade - change imported key to agree |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2828 * with primary key update |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2829 * <LI> importedKeyRestrict - do not allow update of primary |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2830 * key if it has been imported |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2831 * <LI> importedKeySetNull - change imported key to NULL if |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2832 * its primary key has been updated |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2833 * </UL> |
|
194
1296dbcc4958
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|
2834 * <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
|
2835 * the foreign key when primary is deleted. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2836 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2837 * <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
|
2838 * <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
|
2839 * <LI> importedKeyRestrict - do not allow delete of primary |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2840 * key if it has been imported |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2841 * <LI> importedKeySetNull - change imported key to NULL if |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2842 * its primary key has been deleted |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2843 * </UL> |
|
194
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2844 * <LI><B>FK_NAME</B> String => foreign key identifier (may be null) |
|
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|
2845 * <LI><B>PK_NAME</B> String => primary key identifier (may be null) |
|
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|
2846 * <LI><B>DEFERRABILITY</B> short => can the evaluation of foreign key constraints be deferred until commit |
|
0
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parents:
diff
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|
2847 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2848 * <LI> importedKeyInitiallyDeferred - see SQL92 for definition |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2849 * <LI> importedKeyInitiallyImmediate - see SQL92 for definition |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2850 * <LI> importedKeyNotDeferrable - see SQL92 for definition |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2851 * </UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
2852 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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|
2853 * |
|
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parents:
diff
changeset
|
2854 * @param catalog a catalog name; "" retrieves those without a catalog |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2855 * @param schema a schema name pattern; "" retrieves those without a schema |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2856 * @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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|
2857 * Note that our implementation allows this param to be null also (for efficiency as no extra LIKE "%" condition is added to be evaluated). |
|
0
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parents:
diff
changeset
|
2858 * @return ResultSet each row is a foreign key column description |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
2859 * @see #getImportedKeys |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2860 * @throws SQLException if a database error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
2861 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2862 @Override |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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294
diff
changeset
|
2863 public ResultSet getExportedKeys( |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
2864 final String catalog, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
2865 final String schema, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
2866 final String table |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
2867 ) throws SQLException |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2868 { |
|
295
003ae6d881db
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diff
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|
2869 final StringBuilder query = new StringBuilder(keyQuery.length() + 250); |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2870 query.append(keyQuery); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2871 |
|
216
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
215
diff
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|
2872 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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298
diff
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|
2873 // non-empty catalog selection. |
|
0
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parents:
diff
changeset
|
2874 // 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:
diff
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|
2875 query.append(" AND 1 = 0"); |
|
216
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
215
diff
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|
2876 } 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
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|
2877 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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|
2878 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>
parents:
215
diff
changeset
|
2879 } |
|
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
|
2880 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
|
2881 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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diff
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|
2882 } |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2883 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2884 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2885 query.append(" ORDER BY \"FKTABLE_SCHEM\", \"FKTABLE_NAME\", \"FK_NAME\", \"KEY_SEQ\""); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2886 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2887 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2888 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2889 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2890 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2891 * Get a description of the foreign key columns in the foreign key |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2892 * table that reference the primary key columns of the primary key |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2893 * 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
|
2894 * 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
|
2895 * (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
|
2896 * 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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|
2897 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
2898 * <P>Each foreign key column description has the following columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2899 * <OL> |
|
194
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|
2900 * <LI><B>PKTABLE_CAT</B> String => primary key table catalog (may be null) |
|
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186
diff
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|
2901 * <LI><B>PKTABLE_SCHEM</B> String => primary key table schema (may be null) |
|
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|
2902 * <LI><B>PKTABLE_NAME</B> String => primary key table name |
|
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|
2903 * <LI><B>PKCOLUMN_NAME</B> String => primary key column name |
|
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|
2904 * <LI><B>FKTABLE_CAT</B> String => foreign key table catalog (may be null) |
|
0
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|
2905 * being exported (may be null) |
|
194
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|
2906 * <LI><B>FKTABLE_SCHEM</B> String => foreign key table schema (may be null) |
|
0
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|
2907 * being exported (may be null) |
|
194
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|
2908 * <LI><B>FKTABLE_NAME</B> String => foreign key table name |
|
0
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|
2909 * being exported |
|
194
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|
2910 * <LI><B>FKCOLUMN_NAME</B> String => foreign key column name |
|
0
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|
2911 * being exported |
|
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|
2912 * <LI><B>KEY_SEQ</B> short => sequence number within foreign key |
|
0
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|
2913 * (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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|
2914 * <LI><B>UPDATE_RULE</B> short => What happens to |
|
0
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diff
changeset
|
2915 * foreign key when primary is updated: |
|
a5a898f6886c
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changeset
|
2916 * <UL> |
|
a5a898f6886c
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parents:
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|
2917 * <LI> importedKeyNoAction - do not allow update of primary key if it has been imported |
|
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changeset
|
2918 * <LI> importedKeyCascade - change imported key to agree |
|
a5a898f6886c
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diff
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|
2919 * with primary key update |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
2920 * <LI> importedKeyRestrict - do not allow update of primary |
|
a5a898f6886c
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diff
changeset
|
2921 * key if it has been imported |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
2922 * <LI> importedKeySetNull - change imported key to NULL if |
|
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changeset
|
2923 * its primary key has been updated |
|
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2924 * </UL> |
|
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2925 * <LI><B>DELETE_RULE</B> short => What happens to |
|
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|
2926 * the foreign key when primary is deleted. |
|
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|
2927 * <UL> |
|
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2928 * <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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|
2929 * <LI> importedKeyCascade - delete rows that import a deleted key |
|
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|
2930 * <LI> importedKeyRestrict - do not allow delete of primary |
|
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|
2931 * key if it has been imported |
|
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|
2932 * <LI> importedKeySetNull - change imported key to NULL if |
|
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|
2933 * its primary key has been deleted |
|
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2934 * </UL> |
|
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2935 * <LI><B>FK_NAME</B> String => foreign key identifier (may be null) |
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2936 * <LI><B>PK_NAME</B> String => primary key identifier (may be null) |
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2937 * <LI><B>DEFERRABILITY</B> short => can the evaluation of foreign key constraints be deferred until commit |
|
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|
2938 * <UL> |
|
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parents:
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|
2939 * <LI> importedKeyInitiallyDeferred - see SQL92 for definition |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2940 * <LI> importedKeyInitiallyImmediate - see SQL92 for definition |
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|
2941 * <LI> importedKeyNotDeferrable - see SQL92 for definition |
|
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2942 * </UL> |
|
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2943 * </OL> |
|
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2944 * |
|
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2945 * @param pcatalog primary key catalog name; "" retrieves those without a catalog |
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|
2946 * @param pschema primary key schema name pattern; "" retrieves those without a schema |
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2947 * @param ptable primary key table name |
|
245
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Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
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2948 * 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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2949 * @param fcatalog foreign key catalog name; "" retrieves those without a catalog |
|
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|
2950 * @param fschema foreign key schema name pattern; "" retrieves those without a schema |
|
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2951 * @param ftable koreign key table name |
|
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2952 * 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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|
2953 * @return ResultSet each row is a foreign key column description |
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2954 * @throws SQLException if a database error occurs |
|
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2955 * @see #getImportedKeys |
|
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2956 */ |
|
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|
2957 @Override |
|
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|
2958 public ResultSet getCrossReference( |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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2959 final String pcatalog, |
|
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2960 final String pschema, |
|
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2961 final String ptable, |
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|
2962 final String fcatalog, |
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|
2963 final String fschema, |
|
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2964 final String ftable |
|
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|
2965 ) throws SQLException |
|
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2966 { |
|
295
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2967 final StringBuilder query = new StringBuilder(keyQuery.length() + 350); |
|
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|
2968 query.append(keyQuery); |
|
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|
2969 |
|
216
116b5a149fb4
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|
2970 if ((pcatalog != null && !pcatalog.isEmpty()) |
|
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|
2971 || (fcatalog != null && !fcatalog.isEmpty())) { |
|
299
1f0324072b0c
Correcting typo in comment
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diff
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|
2972 // non-empty catalog selection. |
|
0
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|
2973 // 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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|
2974 query.append(" AND 1 = 0"); |
|
216
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|
2975 } else { |
|
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Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
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|
2976 if (pschema != null) { |
|
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|
2977 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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|
2978 } |
|
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Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
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|
2979 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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|
2980 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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|
2981 } |
|
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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|
2982 |
|
116b5a149fb4
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|
2983 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.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
2984 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.
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|
2985 } |
|
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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|
2986 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.
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|
2987 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.
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|
2988 } |
|
0
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|
2989 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2990 |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
2991 query.append(" ORDER BY \"FKTABLE_SCHEM\", \"FKTABLE_NAME\", \"FK_NAME\", \"KEY_SEQ\""); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2992 |
|
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|
2993 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
2994 } |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
2995 |
|
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|
2996 /** |
|
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|
2997 * Get a description of all the SQL data types supported by |
|
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|
2998 * this database. They are ordered by DATA_TYPE and then by how |
|
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|
2999 * closely the data type maps to the corresponding JDBC SQL type. |
|
a5a898f6886c
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|
3000 * |
|
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|
3001 * If the database supports SQL distinct types, then getTypeInfo() will |
|
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|
3002 * return a single row with a TYPE_NAME of DISTINCT and a DATA_TYPE of Types.DISTINCT. |
|
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|
3003 * If the database supports SQL structured types, then getTypeInfo() will |
|
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|
3004 * return a single row with a TYPE_NAME of STRUCT and a DATA_TYPE of Types.STRUCT. |
|
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|
3005 * If SQL distinct or structured types are supported, then information on |
|
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|
3006 * the individual types may be obtained from the getUDTs() method. |
|
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|
3007 * |
|
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|
3008 * <P>Each type description has the following columns: |
|
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|
3009 * <OL> |
|
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3010 * <LI><B>TYPE_NAME</B> String => Type name |
|
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|
3011 * <LI><B>DATA_TYPE</B> int => SQL data type from java.sql.Types |
|
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|
3012 * <LI><B>PRECISION</B> int => maximum precision |
|
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|
3013 * <LI><B>LITERAL_PREFIX</B> String => prefix used to quote a literal (may be null) |
|
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|
3014 * <LI><B>LITERAL_SUFFIX</B> String => suffix used to quote a literal (may be null) |
|
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|
3015 * <LI><B>CREATE_PARAMS</B> String => parameters used in creating |
|
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|
3016 * the type (may be null) |
|
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|
3017 * <LI><B>NULLABLE</B> short => can you use NULL for this type? |
|
0
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|
3018 * <UL> |
|
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|
3019 * <LI> typeNoNulls - does not allow NULL values |
|
a5a898f6886c
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|
3020 * <LI> typeNullable - allows NULL values |
|
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parents:
diff
changeset
|
3021 * <LI> typeNullableUnknown - nullability unknown |
|
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parents:
diff
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|
3022 * </UL> |
|
194
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|
3023 * <LI><B>CASE_SENSITIVE</B> boolean=> is it case sensitive? |
|
1296dbcc4958
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|
3024 * <LI><B>SEARCHABLE</B> short => can you use "WHERE" based on this type: |
|
0
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3025 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3026 * <LI> typePredNone - No support |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3027 * <LI> typePredChar - Only supported with WHERE .. LIKE |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3028 * <LI> typePredBasic - Supported except for WHERE .. LIKE |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3029 * <LI> typeSearchable - Supported for all WHERE .. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
3030 * </UL> |
|
194
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186
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|
3031 * <LI><B>UNSIGNED_ATTRIBUTE</B> boolean => is it unsigned? |
|
1296dbcc4958
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186
diff
changeset
|
3032 * <LI><B>FIXED_PREC_SCALE</B> boolean => can it be a money value? |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
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|
3033 * <LI><B>AUTO_INCREMENT</B> boolean => can it be used for an |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3034 * auto-increment value? |
|
194
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|
3035 * <LI><B>LOCAL_TYPE_NAME</B> String => localized version of type name |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
3036 * (may be null) |
|
194
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|
3037 * <LI><B>MINIMUM_SCALE</B> short => minimum scale supported |
|
1296dbcc4958
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186
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|
3038 * <LI><B>MAXIMUM_SCALE</B> short => maximum scale supported |
|
1296dbcc4958
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186
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|
3039 * <LI><B>SQL_DATA_TYPE</B> int => unused |
|
1296dbcc4958
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186
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|
3040 * <LI><B>SQL_DATETIME_SUB</B> int => unused |
|
1296dbcc4958
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|
3041 * <LI><B>NUM_PREC_RADIX</B> int => usually 2 or 10 |
|
0
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parents:
diff
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|
3042 * </OL> |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3043 * |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
3044 * @return ResultSet each row is a SQL type description |
|
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3045 * @throws SQLException if a database error occurs |
|
0
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parents:
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|
3046 */ |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
3047 @Override |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
3048 public ResultSet getTypeInfo() throws SQLException { |
|
295
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Add "final" keyword to method arguments and local variables where possible.
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|
3049 final StringBuilder query = new StringBuilder(2300); |
|
0
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parents:
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|
3050 query.append("SELECT \"sqlname\" AS \"TYPE_NAME\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3051 "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:
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changeset
|
3052 "\"digits\" AS \"PRECISION\", " + // note that when radix is 2 the precision shows the number of bits |
|
265
177f3d1a791d
Corrected MonetDatabaseMetaData method getTypeInfo() for result column
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
3053 "cast(CASE WHEN \"systemname\" IN ('str','inet','json','url','uuid','blob','sqlblob') THEN ''''" + |
|
0
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|
3054 " ELSE NULL END AS varchar(2)) AS \"LITERAL_PREFIX\", " + |
|
265
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Corrected MonetDatabaseMetaData method getTypeInfo() for result column
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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|
3055 "cast(CASE WHEN \"systemname\" IN ('str','inet','json','url','uuid','blob','sqlblob') THEN ''''" + |
|
0
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parents:
diff
changeset
|
3056 " ELSE NULL END AS varchar(2)) AS \"LITERAL_SUFFIX\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3057 "CASE WHEN \"sqlname\" IN ('char', 'varchar') THEN 'max length'" + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
3058 " WHEN \"sqlname\" = 'decimal' THEN 'precision, scale'" + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3059 " WHEN \"sqlname\" IN ('time', 'timetz', 'timestamp', 'timestamptz', 'sec_interval') THEN 'precision'" + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3060 " ELSE NULL END AS \"CREATE_PARAMS\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3061 "cast(CASE WHEN \"systemname\" = 'oid' THEN ").append(DatabaseMetaData.typeNoNulls) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3062 .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
changeset
|
3063 "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
|
3064 "cast(CASE WHEN \"systemname\" IN ('str','inet','json','url','uuid','blob','sqlblob') THEN ").append(DatabaseMetaData.typeSearchable) |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3065 .append(" ELSE ").append(DatabaseMetaData.typePredBasic).append(" END AS smallint) AS \"SEARCHABLE\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3066 "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
|
3067 "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
|
3068 "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
|
3069 "\"systemname\" AS \"LOCAL_TYPE_NAME\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3070 "cast(0 AS smallint) AS \"MINIMUM_SCALE\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3071 "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
|
3072 " 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
|
3073 "cast(0 AS int) AS \"SQL_DATA_TYPE\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3074 "cast(0 AS int) AS \"SQL_DATETIME_SUB\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3075 "cast(\"radix\" as int) AS \"NUM_PREC_RADIX\" " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3076 "FROM \"sys\".\"types\" " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3077 "ORDER BY \"DATA_TYPE\", \"sqlname\", \"id\""); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3078 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3079 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3080 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3081 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3082 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3083 * 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
|
3084 * They are ordered by NON_UNIQUE, TYPE, INDEX_NAME, and ORDINAL_POSITION. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3085 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3086 * <P>Each index column description has the following columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
3087 * <OL> |
|
194
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
3088 * <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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|
3089 * <LI><B>TABLE_SCHEM</B> String => table schema (may be null) |
|
1296dbcc4958
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186
diff
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|
3090 * <LI><B>TABLE_NAME</B> String => table name |
|
1296dbcc4958
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186
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|
3091 * <LI><B>NON_UNIQUE</B> boolean => Can index values be non-unique? |
|
0
a5a898f6886c
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|
3092 * false when TYPE is tableIndexStatistic |
|
194
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|
3093 * <LI><B>INDEX_QUALIFIER</B> String => index catalog (may be null); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
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|
3094 * null when TYPE is tableIndexStatistic |
|
194
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186
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|
3095 * <LI><B>INDEX_NAME</B> String => index name; null when TYPE is |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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|
3096 * tableIndexStatistic |
|
194
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186
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|
3097 * <LI><B>TYPE</B> short => index type: |
|
0
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
3098 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3099 * <LI> tableIndexStatistic - this identifies table statistics that are |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
3100 * returned in conjuction with a table's index descriptions |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
3101 * <LI> tableIndexClustered - this is a clustered index |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
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|
3102 * <LI> tableIndexHashed - this is a hashed index |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
3103 * <LI> tableIndexOther - this is some other style of index |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
3104 * </UL> |
|
194
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|
3105 * <LI><B>ORDINAL_POSITION</B> short => column sequence number |
|
0
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|
3106 * within index; zero when TYPE is tableIndexStatistic |
|
194
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|
3107 * <LI><B>COLUMN_NAME</B> String => column name; null when TYPE is |
|
0
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|
3108 * tableIndexStatistic |
|
194
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|
3109 * <LI><B>ASC_OR_DESC</B> String => column sort sequence, "A" => ascending |
|
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|
3110 * "D" => descending, may be null if sort sequence is not supported; |
|
0
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|
3111 * null when TYPE is tableIndexStatistic |
|
194
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|
3112 * <LI><B>CARDINALITY</B> int => When TYPE is tableIndexStatisic then |
|
0
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changeset
|
3113 * this is the number of rows in the table; otherwise it is the |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
3114 * number of unique values in the index. |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3115 * <LI><B>PAGES</B> int => When TYPE is tableIndexStatisic then |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3116 * this is the number of pages used for the table, otherwise it |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3117 * is the number of pages used for the current index. |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3118 * <LI><B>FILTER_CONDITION</B> String => Filter condition, if any. |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3119 * (may be null) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3120 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3121 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3122 * @param catalog a catalog name; "" retrieves those without a catalog |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3123 * @param schema a schema name pattern; "" retrieves those without a schema |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3124 * @param table a table name |
|
245
55375d489024
Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
231
diff
changeset
|
3125 * 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
|
3126 * @param unique when true, return only indices for unique values; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3127 * 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
|
3128 * @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
|
3129 * 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
|
3130 * accurate |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3131 * @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
|
3132 * @throws SQLException if a database occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3133 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3134 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3135 public ResultSet getIndexInfo( |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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294
diff
changeset
|
3136 final String catalog, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
294
diff
changeset
|
3137 final String schema, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
294
diff
changeset
|
3138 final String table, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
294
diff
changeset
|
3139 final boolean unique, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
294
diff
changeset
|
3140 final boolean approximate |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3141 ) throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3142 { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3143 String table_row_count = "0"; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3144 |
|
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
|
3145 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
|
3146 // 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
|
3147 ResultSet count = null; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3148 try { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3149 count = executeMetaDataQuery("SELECT COUNT(*) FROM \"" + schema + "\".\"" + table + "\""); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3150 if (count != null && count.next()) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3151 String count_value = count.getString(1); |
|
216
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
215
diff
changeset
|
3152 if (count_value != null && !count_value.isEmpty()) |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3153 table_row_count = count_value; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3154 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3155 } catch (SQLException e) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3156 // ignore |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3157 } finally { |
|
300
8cc3b51d1984
Add a utility method to close objects ignoring any possible SQLExceptions thrown.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
299
diff
changeset
|
3158 MonetConnection.closeResultsetStatement(count, null); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3159 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3160 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3161 |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
294
diff
changeset
|
3162 final StringBuilder query = new StringBuilder(1250); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3163 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
|
3164 "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
|
3165 "\"schemas\".\"name\" AS \"TABLE_SCHEM\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3166 "\"tables\".\"name\" AS \"TABLE_NAME\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3167 "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
|
3168 "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
|
3169 "\"idxs\".\"name\" AS \"INDEX_NAME\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3170 "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
|
3171 "cast(\"objects\".\"nr\" +1 AS smallint) AS \"ORDINAL_POSITION\", "+ |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3172 "\"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>
parents:
216
diff
changeset
|
3173 "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
|
3174 "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
|
3175 "cast(0 AS int) AS \"PAGES\", " + |
|
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
changeset
|
3176 "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
|
3177 "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
|
3178 "\"sys\".\"schemas\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3179 "\"sys\".\"objects\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3180 "\"sys\".\"columns\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3181 "\"sys\".\"tables\" " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3182 "WHERE \"idxs\".\"table_id\" = \"tables\".\"id\" " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3183 "AND \"tables\".\"schema_id\" = \"schemas\".\"id\" " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3184 "AND \"idxs\".\"id\" = \"objects\".\"id\" " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3185 "AND \"tables\".\"id\" = \"columns\".\"table_id\" " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3186 "AND \"objects\".\"name\" = \"columns\".\"name\" " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3187 "AND (\"keys\".\"type\" IS NULL OR \"keys\".\"type\" = 1)"); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3188 |
|
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
|
3189 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
298
diff
changeset
|
3190 // non-empty catalog selection. |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3191 // 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
|
3192 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
|
3193 } 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
|
3194 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
changeset
|
3195 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
|
3196 } |
|
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
|
3197 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
|
3198 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
|
3199 } |
|
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
|
3200 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
changeset
|
3201 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
changeset
|
3202 } |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
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 |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3205 query.append(" ORDER BY \"NON_UNIQUE\", \"TYPE\", \"INDEX_NAME\", \"ORDINAL_POSITION\""); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3206 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3207 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3208 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3209 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3210 //== 1.2 methods (JDBC 2) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3211 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3212 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3213 * Does the database support the given result set type? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3214 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3215 * @param type - defined in java.sql.ResultSet |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3216 * @return true if so; false otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3217 * @throws SQLException - if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3218 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3219 @Override |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
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|
3220 public boolean supportsResultSetType(final int type) throws SQLException { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3221 // The only type we don't support |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3222 return type != ResultSet.TYPE_SCROLL_SENSITIVE; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3223 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3224 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3225 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3226 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3227 * 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
|
3228 * with the given result set type? |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3229 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3230 * @param type - defined in java.sql.ResultSet |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3231 * @param concurrency - type defined in java.sql.ResultSet |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3232 * @return true if so; false otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3233 * @throws SQLException - if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3234 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3235 @Override |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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294
diff
changeset
|
3236 public boolean supportsResultSetConcurrency(final int type, final int concurrency) |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3237 throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3238 { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3239 // These combinations are not supported! |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3240 if (type == ResultSet.TYPE_SCROLL_SENSITIVE) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3241 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3242 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3243 // We do only support Read Only ResultSets |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3244 if (concurrency != ResultSet.CONCUR_READ_ONLY) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3245 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3246 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3247 // 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
|
3248 return true; |
|
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 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3251 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3252 /* lots of unsupported stuff... (no updatable ResultSet!) */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3253 @Override |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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294
diff
changeset
|
3254 public boolean ownUpdatesAreVisible(final int type) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3255 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3256 } |
|
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 @Override |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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294
diff
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|
3259 public boolean ownDeletesAreVisible(final int type) { |
|
0
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 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3263 @Override |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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294
diff
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|
3264 public boolean ownInsertsAreVisible(final int type) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3265 return false; |
|
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 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3268 @Override |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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294
diff
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|
3269 public boolean othersUpdatesAreVisible(final int type) { |
|
0
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 |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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294
diff
changeset
|
3274 public boolean othersDeletesAreVisible(final int i) { |
|
0
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 |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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294
diff
changeset
|
3279 public boolean othersInsertsAreVisible(final int type) { |
|
0
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 |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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294
diff
changeset
|
3284 public boolean updatesAreDetected(final int type) { |
|
0
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 |
|
295
003ae6d881db
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diff
changeset
|
3289 public boolean deletesAreDetected(final int i) { |
|
0
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>
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diff
changeset
|
3293 @Override |
|
295
003ae6d881db
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diff
changeset
|
3294 public boolean insertsAreDetected(final int type) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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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 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3299 * Indicates whether the driver supports batch updates. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3300 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3301 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3302 public boolean supportsBatchUpdates() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3303 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3304 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3305 |
|
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 * Retrieves a description of the user-defined types (UDTs) defined in a particular schema. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3308 * 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
|
3309 * 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
|
3310 * 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
|
3311 * 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
|
3312 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3313 * Each type description has the following columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3314 * |
|
194
1296dbcc4958
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186
diff
changeset
|
3315 * 1 TYPE_CAT String => the type's catalog (may be null) |
|
1296dbcc4958
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186
diff
changeset
|
3316 * 2 TYPE_SCHEM String => type's schema (may be null) |
|
1296dbcc4958
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186
diff
changeset
|
3317 * 3 TYPE_NAME String => type name |
|
1296dbcc4958
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186
diff
changeset
|
3318 * 4 CLASS_NAME String => Java class name |
|
1296dbcc4958
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186
diff
changeset
|
3319 * 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:
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changeset
|
3320 * 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
|
3321 * 7 BASE_TYPE short => type code of the source type of a DISTINCT type or the type that implements the |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3322 * 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
|
3323 * in java.sql.Types (null if DATA_TYPE is not DISTINCT or not STRUCT with REFERENCE_GENERATION = USER_DEFINED) |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3324 * |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3325 * @throws SQLException - if a database access error occurs |
|
0
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parents:
diff
changeset
|
3326 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3327 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3328 public ResultSet getUDTs( |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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diff
changeset
|
3329 final String catalog, |
|
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Add "final" keyword to method arguments and local variables where possible.
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294
diff
changeset
|
3330 final String schemaPattern, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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parents:
294
diff
changeset
|
3331 final String typeNamePattern, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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changeset
|
3332 final int[] types |
|
0
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parents:
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changeset
|
3333 ) throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
3334 { |
|
295
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changeset
|
3335 final StringBuilder query = new StringBuilder(990); |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
3336 if (types != null && types.length > 0) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3337 query.append("SELECT * FROM ("); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3338 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3339 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
|
3340 "\"schemas\".\"name\" AS \"TYPE_SCHEM\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3341 "\"types\".\"sqlname\" AS \"TYPE_NAME\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3342 "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>
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diff
changeset
|
3343 // next 4 UDTs are standard |
|
0
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parents:
diff
changeset
|
3344 " 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
|
3345 " WHEN 'json' THEN 'java.lang.String'" + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3346 " 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
|
3347 " WHEN 'uuid' THEN 'java.lang.String'" + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3348 " 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>
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216
diff
changeset
|
3349 "cast(CASE WHEN \"types\".\"sqlname\" IN ('inet', 'json', 'url', 'uuid') THEN ").append(Types.JAVA_OBJECT) |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3350 .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
|
3351 "\"types\".\"systemname\" AS \"REMARKS\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3352 "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>
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213
diff
changeset
|
3353 "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>
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213
diff
changeset
|
3354 // 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>
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213
diff
changeset
|
3355 "WHERE \"types\".\"id\" > 99 AND \"types\".\"eclass\" >= 15"); |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
3356 |
|
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
|
3357 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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298
diff
changeset
|
3358 // non-empty catalog selection. |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3359 // 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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diff
changeset
|
3360 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
|
3361 } 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
|
3362 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
|
3363 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
|
3364 } |
|
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
|
3365 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>
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215
diff
changeset
|
3366 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>
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215
diff
changeset
|
3367 } |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3368 } |
|
215
71b039bc2d99
Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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changeset
|
3369 |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3370 if (types != null && types.length > 0) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3371 query.append(") AS getUDTs WHERE \"DATA_TYPE\" IN ("); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3372 for (int i = 0; i < types.length; i++) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3373 if (i > 0) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3374 query.append(", "); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3375 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3376 query.append(types[i]); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3377 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3378 query.append(")"); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3379 } |
|
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
|
3380 |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3381 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
|
3382 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3383 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3384 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3385 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3386 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3387 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
3388 * Retrieves the connection that produced this metadata object. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
3389 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3390 * @return the connection that produced this metadata object |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3391 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3392 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3393 public Connection getConnection() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3394 return con; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3395 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
3396 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
3397 /* I don't find these in the spec!?! */ |
|
295
003ae6d881db
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changeset
|
3398 public boolean rowChangesAreDetected(final int type) { |
|
0
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changeset
|
3399 return false; |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
3400 } |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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|
3401 |
|
295
003ae6d881db
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|
3402 public boolean rowChangesAreVisible(final int type) { |
|
0
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changeset
|
3403 return false; |
|
a5a898f6886c
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changeset
|
3404 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
3405 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
3406 //== 1.4 methods (JDBC 3) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
3407 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
3408 /** |
|
a5a898f6886c
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diff
changeset
|
3409 * Retrieves whether this database supports savepoints. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
3410 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
3411 * @return <code>true</code> if savepoints are supported; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
3412 * <code>false</code> otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
3413 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
3414 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
3415 public boolean supportsSavepoints() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3416 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3417 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3418 |
|
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>
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diff
changeset
|
3420 * Retrieves whether this database supports named parameters to callable |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
3421 * statements. |
|
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.
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diff
changeset
|
3423 * @return <code>true</code> if named parameters are supported; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3424 * <code>false</code> otherwise |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3427 public boolean supportsNamedParameters() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3428 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
3429 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3430 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3431 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
3432 * 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
|
3433 * returned from a <code>CallableStatement</code> object |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3434 * simultaneously. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3435 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3436 * @return <code>true</code> if a <code>CallableStatement</code> object |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3437 * can return multiple <code>ResultSet</code> objects |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3438 * simultaneously; <code>false</code> otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
3439 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3440 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3441 public boolean supportsMultipleOpenResults() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3442 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3443 } |
|
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 * 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
|
3447 * a statement has been executed. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3448 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3449 * @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
|
3450 * 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
|
3451 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3452 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3453 public boolean supportsGetGeneratedKeys() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3454 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3455 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3456 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3457 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3458 * 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
|
3459 * 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
|
3460 * 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
|
3461 * <P> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3462 * Only supertype information for UDTs matching the catalog, |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3463 * 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
|
3464 * 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
|
3465 * 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
|
3466 * ignored. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3467 * <P> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3468 * 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
|
3469 * A row of the <code>ResultSet</code> object returned by this method |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3470 * 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
|
3471 * columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3472 * <OL> |
|
194
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186
diff
changeset
|
3473 * <LI><B>TYPE_CAT</B> String => the UDT's catalog (may be <code>null</code>) |
|
1296dbcc4958
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186
diff
changeset
|
3474 * <LI><B>TYPE_SCHEM</B> String => UDT's schema (may be <code>null</code>) |
|
1296dbcc4958
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186
diff
changeset
|
3475 * <LI><B>TYPE_NAME</B> String => type name of the UDT |
|
1296dbcc4958
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186
diff
changeset
|
3476 * <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:
diff
changeset
|
3477 * (may be <code>null</code>) |
|
194
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diff
changeset
|
3478 * <LI><B>SUPERTYPE_SCHEM</B> String => the direct super type's schema |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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changeset
|
3479 * (may be <code>null</code>) |
|
194
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186
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changeset
|
3480 * <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
|
3481 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3482 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3483 * <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
|
3484 * empty result set is returned. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3485 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3486 * @param catalog a catalog name; "" retrieves those without a catalog; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3487 * <code>null</code> means drop catalog name from the selection criteria |
|
245
55375d489024
Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
231
diff
changeset
|
3488 * @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
|
3489 * @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
|
3490 * @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
|
3491 * about the designated UDT |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3492 * @throws SQLException if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3493 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3494 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
3495 public ResultSet getSuperTypes( |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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294
diff
changeset
|
3496 final String catalog, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
changeset
|
3497 final String schemaPattern, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
changeset
|
3498 final String typeNamePattern |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3499 ) throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
3500 { |
|
295
003ae6d881db
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diff
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|
3501 final String query = |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
3502 "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>
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diff
changeset
|
3503 "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>
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changeset
|
3504 "WHERE 1 = 0"; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
3505 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
3506 return executeMetaDataQuery(query); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
3507 } |
|
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changeset
|
3508 |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
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changeset
|
3509 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
3510 * Retrieves a description of the table hierarchies defined in a particular |
|
a5a898f6886c
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diff
changeset
|
3511 * schema in this database. |
|
a5a898f6886c
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diff
changeset
|
3512 * |
|
a5a898f6886c
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diff
changeset
|
3513 * <P>Only supertable information for tables matching the catalog, schema |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
3514 * and table name are returned. The table name parameter may be a fully- |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3515 * qualified name, in which case, the catalog and schemaPattern parameters |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
3516 * are ignored. If a table does not have a super table, it is not listed here. |
|
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
3517 * Supertables have to be defined in the same catalog and schema as the |
|
a5a898f6886c
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diff
changeset
|
3518 * sub tables. Therefore, the type description does not need to include |
|
a5a898f6886c
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changeset
|
3519 * this information for the supertable. |
|
a5a898f6886c
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diff
changeset
|
3520 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
changeset
|
3521 * <P>Each type description has the following columns: |
|
a5a898f6886c
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changeset
|
3522 * <OL> |
|
194
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|
3523 * <LI><B>TABLE_CAT</B> String => the type's catalog (may be <code>null</code>) |
|
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|
3524 * <LI><B>TABLE_SCHEM</B> String => type's schema (may be <code>null</code>) |
|
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|
3525 * <LI><B>TABLE_NAME</B> String => type name |
|
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changeset
|
3526 * <LI><B>SUPERTABLE_NAME</B> String => the direct super type's name |
|
0
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diff
changeset
|
3527 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3528 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3529 * <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
|
3530 * empty result set is returned. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3531 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3532 * @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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|
3533 * <code>null</code> means drop catalog name from the selection criteria |
|
245
55375d489024
Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
231
diff
changeset
|
3534 * @param schemaPattern a schema name pattern; "" retrieves those without a schema |
|
55375d489024
Corrected return values of DatabaseMetaData methods allTablesAreSelectable() and allProceduresAreCallable().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
231
diff
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|
3535 * @param tableNamePattern a table 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
|
3536 * @return a <code>ResultSet</code> object in which each row is a type description |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3537 * @throws SQLException if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3538 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3539 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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diff
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|
3540 public ResultSet getSuperTables( |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
3541 final String catalog, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
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|
3542 final String schemaPattern, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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|
3543 final String tableNamePattern |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3544 ) throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
3545 { |
|
295
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Add "final" keyword to method arguments and local variables where possible.
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|
3546 final String query = |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3547 "SELECT cast(null as char(1)) AS \"TABLE_CAT\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3548 "'' AS \"TABLE_SCHEM\", '' AS \"TABLE_NAME\", '' AS \"SUPERTABLE_NAME\" " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3549 "WHERE 1 = 0"; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3550 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3551 return executeMetaDataQuery(query); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3552 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3553 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3554 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3555 * Retrieves a description of the given attribute of the given type |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3556 * for a user-defined type (UDT) that is available in the given schema |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3557 * and catalog. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3558 * <P> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3559 * Descriptions are returned only for attributes of UDTs matching the |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3560 * catalog, schema, type, and attribute name criteria. They are ordered by |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3561 * TYPE_SCHEM, TYPE_NAME and ORDINAL_POSITION. This description |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3562 * does not contain inherited attributes. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3563 * <P> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3564 * The <code>ResultSet</code> object that is returned has the following |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3565 * columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3566 * <OL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
changeset
|
3567 * <LI><B>TYPE_CAT</B> String => type catalog (may be <code>null</code>) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3568 * <LI><B>TYPE_SCHEM</B> String => type schema (may be <code>null</code>) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3569 * <LI><B>TYPE_NAME</B> String => type name |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
changeset
|
3570 * <LI><B>ATTR_NAME</B> String => attribute name |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3571 * <LI><B>DATA_TYPE</B> int => attribute type SQL type from java.sql.Types |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3572 * <LI><B>ATTR_TYPE_NAME</B> String => Data source dependent type name. |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3573 * For a UDT, the type name is fully qualified. For a REF, the type name is |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3574 * fully qualified and represents the target type of the reference type. |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
changeset
|
3575 * <LI><B>ATTR_SIZE</B> int => column size. For char or date |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3576 * 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
|
3577 * decimal types this is precision. |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
changeset
|
3578 * <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
|
3579 * <LI><B>NUM_PREC_RADIX</B> int => Radix (typically either 10 or 2) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3580 * <LI><B>NULLABLE</B> int => whether NULL is allowed |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3581 * <UL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3582 * <LI> attributeNoNulls - might not allow NULL values |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3583 * <LI> attributeNullable - definitely allows NULL values |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3584 * <LI> attributeNullableUnknown - nullability unknown |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3585 * </UL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3586 * <LI><B>REMARKS</B> String => comment describing column (may be <code>null</code>) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3587 * <LI><B>ATTR_DEF</B> String => default value (may be <code>null</code>) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3588 * <LI><B>SQL_DATA_TYPE</B> int => unused |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3589 * <LI><B>SQL_DATETIME_SUB</B> int => unused |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3590 * <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
|
3591 * maximum number of bytes in the column |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
changeset
|
3592 * <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
|
3593 * (starting at 1) |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
changeset
|
3594 * <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
|
3595 * does not allow NULL values; "YES" means the column might |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3596 * allow NULL values. An empty string means unknown. |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
3597 * <LI><B>SCOPE_CATALOG</B> String => catalog of table that is the |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3598 * scope of a reference attribute (<code>null</code> if DATA_TYPE isn't REF) |
|
194
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
changeset
|
3599 * <LI><B>SCOPE_SCHEMA</B> String => schema of table that is the |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3600 * scope of a reference attribute (<code>null</code> if DATA_TYPE isn't REF) |
|
194
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
changeset
|
3601 * <LI><B>SCOPE_TABLE</B> String => table name that is the scope of a |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3602 * reference attribute (<code>null</code> if the DATA_TYPE isn't REF) |
|
194
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186
diff
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|
3603 * <LI><B>SOURCE_DATA_TYPE</B> short => source type of a distinct type or user-generated |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3604 * Ref type,SQL type from java.sql.Types (<code>null</code> if DATA_TYPE |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3605 * isn't DISTINCT or user-generated REF) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3606 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3607 * @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
|
3608 * is stored in the database; "" retrieves those without a catalog; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3609 * <code>null</code> means that the catalog name should not be used to narrow |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3610 * the search |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3611 * @param schemaPattern a schema name pattern; must match the schema name |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3612 * as it is stored in the database; "" retrieves those without a schema; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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changeset
|
3613 * <code>null</code> means that the schema name should not be used to narrow |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3614 * the search |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3615 * @param typeNamePattern a type name pattern; must match the |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3616 * type name as it is stored in the database |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3617 * @param attributeNamePattern an attribute name pattern; must match the attribute |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3618 * name as it is declared in the database |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3619 * @return a <code>ResultSet</code> object in which each row is an |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3620 * attribute description |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3621 * @throws SQLException if a database access error occurs |
|
a5a898f6886c
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parents:
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changeset
|
3622 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3623 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
changeset
|
3624 public ResultSet getAttributes( |
|
295
003ae6d881db
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diff
changeset
|
3625 final String catalog, |
|
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diff
changeset
|
3626 final String schemaPattern, |
|
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|
3627 final String typeNamePattern, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
294
diff
changeset
|
3628 final String attributeNamePattern |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3629 ) throws SQLException |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3630 { |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
294
diff
changeset
|
3631 final String query = |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3632 "SELECT cast(null as char(1)) AS \"TYPE_CAT\", '' AS \"TYPE_SCHEM\", '' AS \"TYPE_NAME\", " + |
|
217
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
changeset
|
3633 "'' AS \"ATTR_NAME\", cast(0 as int) AS \"DATA_TYPE\", '' AS \"ATTR_TYPE_NAME\", cast(0 as int) AS \"ATTR_SIZE\", " + |
|
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
changeset
|
3634 "cast(0 as int) AS \"DECIMAL_DIGITS\", cast(0 as int) AS \"NUM_PREC_RADIX\", cast(0 as int) AS \"NULLABLE\", " + |
|
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
changeset
|
3635 "'' AS \"REMARKS\", '' AS \"ATTR_DEF\", cast(0 as int) AS \"SQL_DATA_TYPE\", " + |
|
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
changeset
|
3636 "cast(0 as int) AS \"SQL_DATETIME_SUB\", cast(0 as int) AS \"CHAR_OCTET_LENGTH\", " + |
|
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
changeset
|
3637 "cast(0 as int) AS \"ORDINAL_POSITION\", 'YES' AS \"IS_NULLABLE\", " + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3638 "'' AS \"SCOPE_CATALOG\", '' AS \"SCOPE_SCHEMA\", '' AS \"SCOPE_TABLE\", " + |
|
217
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
changeset
|
3639 "cast(0 as smallint) AS \"SOURCE_DATA_TYPE\" " + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3640 "WHERE 1 = 0"; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3641 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3642 return executeMetaDataQuery(query); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3643 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3644 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3645 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3646 * Retrieves whether this database supports the given result set holdability. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3647 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3648 * @param holdability one of the following constants: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3649 * <code>ResultSet.HOLD_CURSORS_OVER_COMMIT</code> or |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3650 * <code>ResultSet.CLOSE_CURSORS_AT_COMMIT</code> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3651 * @return <code>true</code> if so; <code>false</code> otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3652 * @see Connection |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3653 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3654 @Override |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
294
diff
changeset
|
3655 public boolean supportsResultSetHoldability(final int holdability) { |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3656 // we don't close ResultSets at commit; and we don't do updateable |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3657 // result sets, so comes closest to hold cursors over commit |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3658 return holdability == ResultSet.HOLD_CURSORS_OVER_COMMIT; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3659 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3660 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3661 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3662 * 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
|
3663 * object. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3664 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3665 * @return the default holdability; either |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3666 * <code>ResultSet.HOLD_CURSORS_OVER_COMMIT</code> or |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3667 * <code>ResultSet.CLOSE_CURSORS_AT_COMMIT</code> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3668 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3669 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3670 public int getResultSetHoldability() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3671 return ResultSet.HOLD_CURSORS_OVER_COMMIT; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3672 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3673 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3674 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3675 * 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
|
3676 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3677 * @return the underlying database's major version |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3678 * @throws SQLException if a database access error occurs |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3681 public int getDatabaseMajorVersion() throws SQLException { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3682 if (env_monet_version == null) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3683 getEnvValues(); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3684 int major = 0; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3685 if (env_monet_version != null) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3686 try { |
|
25
5ec116ba7d71
When single character use faster version of indexOf(<char>)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
23
diff
changeset
|
3687 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
|
3688 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
|
3689 } catch (NumberFormatException e) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3690 // ignore |
|
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 } |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
3693 return major; |
|
0
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 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3696 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3697 * 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
|
3698 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3699 * @return underlying database's minor version |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3700 * @throws SQLException if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3701 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3702 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3703 public int getDatabaseMinorVersion() throws SQLException { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3704 if (env_monet_version == null) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3705 getEnvValues(); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3706 int minor = 0; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3707 if (env_monet_version != null) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3708 try { |
|
25
5ec116ba7d71
When single character use faster version of indexOf(<char>)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
23
diff
changeset
|
3709 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
|
3710 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
|
3711 start++; |
|
25
5ec116ba7d71
When single character use faster version of indexOf(<char>)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
23
diff
changeset
|
3712 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
|
3713 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
|
3714 } |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3715 } catch (NumberFormatException e) { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3716 // ignore |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3717 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3718 } |
|
15
6e48d0fae766
Corrected return values of DatabaseMetaData methods nullsAreSortedHigh(), nullsAreSortedLow(),
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
7
diff
changeset
|
3719 return minor; |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3720 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3721 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3722 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3723 * 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
|
3724 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3725 * @return JDBC version major number |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3726 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3727 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3728 public int getJDBCMajorVersion() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3729 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
|
3730 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3731 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3732 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3733 * Retrieves the minor JDBC version number for this driver. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3734 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3735 * @return JDBC version minor number |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3738 public int getJDBCMinorVersion() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3739 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
|
3740 } |
|
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 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3743 * 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
|
3744 * 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
|
3745 * @return the type of SQLSTATEs, one of: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3746 * sqlStateXOpen or |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3747 * sqlStateSQL |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3748 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3749 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3750 public int getSQLStateType() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3751 // 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
|
3752 return DatabaseMetaData.sqlStateSQL; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3753 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3754 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3755 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3756 * 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
|
3757 * to the LOB. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3758 * @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
|
3759 * <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
|
3760 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3761 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3762 public boolean locatorsUpdateCopy() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3763 // 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
|
3764 return true; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3765 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3766 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3767 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3768 * Retrieves whether this database supports statement pooling. |
|
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 * @return <code>true</code> is so; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3771 <code>false</code> otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3772 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3773 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3774 public boolean supportsStatementPooling() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3775 // For the moment, I don't think so |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3776 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3777 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3778 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3779 //== 1.6 methods (JDBC 4) |
|
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 * 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
|
3783 * 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
|
3784 * valid. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3785 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3786 * @return ROWID_UNSUPPORTED for now |
|
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 RowIdLifetime getRowIdLifetime() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3790 // I believe we don't do rowids |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3791 return RowIdLifetime.ROWID_UNSUPPORTED; |
|
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 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3795 * 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
|
3796 * are ordered by schema name. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3797 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3798 * <P>The schema column is: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3799 * <OL> |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3800 * <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
|
3801 * <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
|
3802 * </OL> |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3803 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3804 * @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
|
3805 * schema name |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3806 * @throws SQLException if a database error occurs |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3809 public ResultSet getSchemas() throws SQLException { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3810 return getSchemas(null, null); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3811 } |
|
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 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3814 * 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
|
3815 * vendor functions using the stored procedure escape syntax. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3816 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3817 * @return true if so; false otherwise |
|
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 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3820 public boolean supportsStoredFunctionsUsingCallSyntax() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3821 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3822 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3823 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3824 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3825 * Retrieves whether a SQLException while autoCommit is true |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3826 * 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
|
3827 * 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
|
3828 * 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
|
3829 * 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
|
3830 * 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
|
3831 * or not holdable ResultSets are closed. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3832 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3833 * @return true if so; false otherwise |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3834 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3835 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3836 public boolean autoCommitFailureClosesAllResultSets() { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3837 // 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
|
3838 // 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
|
3839 // failure either. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3840 return false; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3841 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3842 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3843 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3844 * Retrieves a list of the client info properties that the driver |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3845 * supports. The result set contains the following columns |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
3846 * |
|
194
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parents:
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|
3847 * 1. NAME String => The name of the client info property |
|
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186
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|
3848 * 2. MAX_LEN int => The maximum length of the value for the |
|
0
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parents:
diff
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|
3849 * property |
|
194
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|
3850 * 3. DEFAULT_VALUE String => The default value of the |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
3851 * property |
|
194
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|
3852 * 4. DESCRIPTION String => A description of the |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3853 * property. This will typically contain information as |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3854 * 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
|
3855 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3856 * The ResultSet is sorted by the NAME column |
|
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 * @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
|
3859 * 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
|
3860 * @throws SQLException if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3861 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3862 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3863 public ResultSet getClientInfoProperties() throws SQLException { |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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|
3864 // for a list of connection properties see also MonetConnection.java constructor MonetConnection(Properties props) |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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294
diff
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|
3865 final String query = |
|
217
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
changeset
|
3866 "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.
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parents:
diff
changeset
|
3867 "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
|
3868 "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
|
3869 "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
|
3870 "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
|
3871 "SELECT 'database', 1024, 'demo', 'name of database. It matches the dbfarm subdirectory name' UNION ALL " + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
3872 "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
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|
3873 "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
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|
3874 "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
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|
3875 "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
|
3876 "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
|
3877 "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
|
3878 "ORDER BY \"NAME\""; |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3879 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3880 return executeMetaDataQuery(query); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3881 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3882 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3883 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3884 * 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
|
3885 * available in the given catalog. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3886 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3887 * 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
|
3888 * 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
|
3889 * 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
|
3890 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3891 * Each function description has the the following columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3892 * |
|
194
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
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|
3893 * 1. FUNCTION_CAT String => function catalog (may be null) |
|
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3894 * 2. FUNCTION_SCHEM String => function schema (may be null) |
|
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
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|
3895 * 3. FUNCTION_NAME String => function name. This is the |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3896 * name used to invoke the function |
|
194
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
3897 * 4. REMARKS String => explanatory comment on the function |
|
1296dbcc4958
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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186
diff
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|
3898 * 5. FUNCTION_TYPE short => kind of function: |
|
0
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3899 * * functionResultUnknown - Cannot determine if a return |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3900 * value or table will be returned |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3901 * * 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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|
3902 * * functionReturnsTable - Returns a table |
|
194
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
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|
3903 * 6. SPECIFIC_NAME String => the name which uniquely identifies |
|
0
a5a898f6886c
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3904 * 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
|
3905 * 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
|
3906 * FUNCTION_NAME for example with overload functions |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
3907 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3908 * 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
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|
3909 * that are returned by getFunctions. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
3910 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
3911 * @param catalog a catalog name; must match the catalog name as it |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
3912 * 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
|
3913 * catalog; null means that the catalog name should not be |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
3914 * used to narrow the search |
|
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diff
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|
3915 * @param schemaPattern a schema name pattern; must match the schema |
|
a5a898f6886c
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|
3916 * name as it is stored in the database; "" retrieves those |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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|
3917 * without a schema; null means that the schema name should |
|
a5a898f6886c
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|
3918 * not be used to narrow the search |
|
a5a898f6886c
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parents:
diff
changeset
|
3919 * @param functionNamePattern a function name pattern; must match |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
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changeset
|
3920 * 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
|
3921 * 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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|
3922 * @return ResultSet - each row is a function description |
|
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diff
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|
3923 * @throws SQLException if a database access error occurs |
|
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|
3924 */ |
|
a5a898f6886c
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diff
changeset
|
3925 @Override |
|
a5a898f6886c
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diff
changeset
|
3926 public ResultSet getFunctions( |
|
295
003ae6d881db
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294
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|
3927 final String catalog, |
|
003ae6d881db
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294
diff
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|
3928 final String schemaPattern, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
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|
3929 final String functionNamePattern |
|
003ae6d881db
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|
3930 ) throws SQLException |
|
0
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|
3931 { |
|
295
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294
diff
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|
3932 final boolean useCommentsTable = ((MonetConnection)con).commentsTableExists(); |
|
003ae6d881db
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294
diff
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|
3933 final StringBuilder query = new StringBuilder(800); |
|
217
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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216
diff
changeset
|
3934 query.append("SELECT cast(null as char(1)) AS \"FUNCTION_CAT\", " + |
|
0
a5a898f6886c
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changeset
|
3935 "\"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
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|
3936 "\"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>
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213
diff
changeset
|
3937 .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.
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parents:
diff
changeset
|
3938 "CASE \"functions\".\"type\"" + |
|
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3939 " WHEN 1 THEN ").append(DatabaseMetaData.functionNoTable) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3940 .append(" WHEN 2 THEN ").append(DatabaseMetaData.functionNoTable) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3941 .append(" WHEN 3 THEN ").append(DatabaseMetaData.functionNoTable) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3942 .append(" WHEN 4 THEN ").append(DatabaseMetaData.functionNoTable) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
3943 .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
|
3944 .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>
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220
diff
changeset
|
3945 .append(" WHEN 7 THEN ").append(DatabaseMetaData.functionReturnsTable) |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3946 .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
|
3947 // 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
|
3948 "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>
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213
diff
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|
3949 "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>
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213
diff
changeset
|
3950 if (useCommentsTable) { |
|
71b039bc2d99
Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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213
diff
changeset
|
3951 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>
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213
diff
changeset
|
3952 } |
|
71b039bc2d99
Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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213
diff
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|
3953 // 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>
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213
diff
changeset
|
3954 query.append("WHERE \"functions\".\"type\" <> 2"); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3955 |
|
216
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
215
diff
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|
3956 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
298
diff
changeset
|
3957 // non-empty catalog selection. |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3958 // 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
|
3959 query.append(" AND 1 = 0"); |
|
216
116b5a149fb4
Optimise SQL query generation for cases where the WHERE clause already has a AND 1 = 0 condition. Exlude adding more AND ... conditions.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
215
diff
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|
3960 } 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
|
3961 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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|
3962 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
|
3963 } |
|
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
|
3964 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
|
3965 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
|
3966 } |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3967 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3968 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3969 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
|
3970 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3971 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3972 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3973 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3974 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3975 * 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
|
3976 * function parameters and return type. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3977 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3978 * 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
|
3979 * 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
|
3980 * 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
|
3981 * The column descriptions follow in column number order. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3982 * |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3983 * 1. FUNCTION_CAT String => function catalog (may be null) |
|
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
186
diff
changeset
|
3984 * 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
|
3985 * 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
|
3986 * 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
|
3987 * 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
|
3988 * functionColumnUnknown - nobody knows |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3989 * functionColumnIn - IN parameter |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3990 * functionColumnInOut - INOUT parameter |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3991 * functionColumnOut - OUT parameter |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3992 * functionColumnReturn - function return value |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
3993 * 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
|
3994 * 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
|
3995 * 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
|
3996 * 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
|
3997 * 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
|
3998 * 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
|
3999 * 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
|
4000 * 12. NULLABLE short => can it contain NULL. |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4001 * functionNoNulls - does not allow NULL values |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4002 * functionNullable - allows NULL values |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4003 * 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
|
4004 * 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
|
4005 * 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
|
4006 * 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
|
4007 * 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
|
4008 * 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
|
4009 * 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
|
4010 * 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
|
4011 * 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
|
4012 * 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
|
4013 * 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
|
4014 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4015 * @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
|
4016 * 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
|
4017 * 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
|
4018 * used to narrow the search |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4019 * @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
|
4020 * 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
|
4021 * 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
|
4022 * not be used to narrow the search |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4023 * @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
|
4024 * 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
|
4025 * 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
|
4026 * @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
|
4027 * 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
|
4028 * 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
|
4029 * @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
|
4030 * column or return type |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4031 * @throws SQLException - if a database access error occurs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4032 */ |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4033 @Override |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4034 public ResultSet getFunctionColumns( |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
294
diff
changeset
|
4035 final String catalog, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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parents:
294
diff
changeset
|
4036 final String schemaPattern, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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parents:
294
diff
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|
4037 final String functionNamePattern, |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
diff
changeset
|
4038 final String columnNamePattern |
|
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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294
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|
4039 ) throws SQLException |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
4040 { |
|
295
003ae6d881db
Add "final" keyword to method arguments and local variables where possible.
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|
4041 final StringBuilder query = new StringBuilder(2600); |
|
217
7cbd20ff628c
Removed DISTINCT from SELECT DISTINCT where it should not be needed (in getTables() and getFunctionColumns())
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
216
diff
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|
4042 query.append("SELECT cast(null as char(1)) AS \"FUNCTION_CAT\", " + |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4043 "\"schemas\".\"name\" AS \"FUNCTION_SCHEM\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4044 "\"functions\".\"name\" AS \"FUNCTION_NAME\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
4045 "\"args\".\"name\" AS \"COLUMN_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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|
4046 "cast(CASE \"args\".\"inout\"" + |
|
0
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Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4047 " 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
|
4048 .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
|
4049 " WHEN 1 THEN ").append(DatabaseMetaData.functionColumnIn) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4050 .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
|
4051 "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
|
4052 "\"args\".\"type\" AS \"TYPE_NAME\", " + |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4053 "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
|
4054 " 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
|
4055 "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
|
4056 " 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
|
4057 "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
|
4058 "'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
|
4059 "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
|
4060 " 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())
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216
diff
changeset
|
4061 "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>
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216
diff
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|
4062 "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>
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216
diff
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|
4063 "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
|
4064 "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>
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216
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|
4065 "cast('' as varchar(3)) AS \"IS_NULLABLE\", " + |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4066 // 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
|
4067 "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
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|
4068 "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
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|
4069 "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>
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213
diff
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|
4070 "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
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|
4071 // 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
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|
4072 "WHERE \"functions\".\"type\" <> 2"); |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
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|
4073 |
|
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
|
4074 if (catalog != null && !catalog.isEmpty()) { |
|
299
1f0324072b0c
Correcting typo in comment
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents:
298
diff
changeset
|
4075 // non-empty catalog selection. |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff
changeset
|
4076 // 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:
diff
changeset
|
4077 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
|
4078 } 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
|
4079 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
|
4080 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
|
4081 } |
|
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
|
4082 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
|
4083 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
|
4084 } |
|
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
|
4085 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
|
4086 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
changeset
|
4087 } |
|
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 |
|
0
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4090 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
|
4091 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4092 return executeMetaDataQuery(query.toString()); |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4093 } |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4094 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4095 //== 1.7 methods (JDBC 4.1) |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4096 |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4097 /** |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4098 * 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
|
4099 * 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
|
4100 * 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
|
4101 * 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
|
4102 * 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
|
4103 * necessarily be able to be modified. |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4104 * 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
|
4105 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4106 * 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
|
4107 * 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
|
4108 * |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4109 * Each column description has the following columns: |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
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|
4110 * |
|
194
1296dbcc4958
Resolved javadoc many errors and warnings, such as:
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186
diff
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|
4111 * 1. TABLE_CAT String => table catalog (may be null) |
|
1296dbcc4958
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186
diff
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|
4112 * 2. TABLE_SCHEM String => table schema (may be null) |
|
1296dbcc4958
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186
diff
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|
4113 * 3. TABLE_NAME String => table name |
|
1296dbcc4958
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186
diff
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|
4114 * 4. COLUMN_NAME String => column name |
|
1296dbcc4958
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186
diff
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|
4115 * 5. DATA_TYPE int => SQL type from java.sql.Types |
|
1296dbcc4958
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186
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|
4116 * 6. COLUMN_SIZE int => column size. |
|
1296dbcc4958
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|
4117 * 7. DECIMAL_DIGITS int => the number of fractional digits. Null is returned for data types where DECIMAL_DIGITS is not applicable. |
|
1296dbcc4958
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|
4118 * 8. NUM_PREC_RADIX int => Radix (typically either 10 or 2) |
|
1296dbcc4958
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|
4119 * 9. COLUMN_USAGE String => The allowed usage for the column. The value returned will correspond to the enum name returned by PseudoColumnUsage.name() |
|
1296dbcc4958
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|
4120 * 10. REMARKS String => comment describing column (may be null) |
|
1296dbcc4958
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|
4121 * 11. CHAR_OCTET_LENGTH int => for char types the maximum number of bytes in the column |
|
1296dbcc4958
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|
4122 * 12. IS_NULLABLE String => ISO rules are used to determine the nullability for a column. |
|
0
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changeset
|
4123 * YES --- if the column can include NULLs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff
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|
4124 * NO --- if the column cannot include NULLs |
|
a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff
changeset
|
4125 * empty string --- if the nullability for the column is unknown |
|
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4126 * |
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4127 * @param catalog a catalog name |
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4128 * @param schemaPattern a schema name pattern |
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4129 * @param tableNamePattern a table name pattern |
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4130 * @param columnNamePattern a column name pattern |
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4131 * @return ResultSet where each row is a column description |
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4132 * @throws SQLException if a database access error occurs |
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4133 */ |
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4134 @Override |
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4135 public ResultSet getPseudoColumns( |
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4136 final String catalog, |
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4137 final String schemaPattern, |
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4138 final String tableNamePattern, |
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4139 final String columnNamePattern |
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4140 ) throws SQLException |
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4141 { |
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4142 // MonetDB currently does not support pseudo or hidden columns, so return an empty ResultSet |
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4143 final String query = |
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217
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4144 "SELECT cast(null as char(1)) AS \"TABLE_CAT\", " + |
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4145 "'' AS \"TABLE_SCHEM\", " + |
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4146 "'' AS \"TABLE_NAME\", " + |
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4147 "'' AS \"COLUMN_NAME\", " + |
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4148 "cast(0 as int) AS \"DATA_TYPE\", " + |
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4149 "cast(0 as int) AS \"COLUMN_SIZE\", " + |
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4150 "cast(0 as int) AS \"DECIMAL_DIGITS\", " + |
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4151 "cast(0 as int) AS \"NUM_PREC_RADIX\", " + |
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4152 "'' AS \"COLUMN_USAGE\", " + |
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4153 "'' AS \"REMARKS\", " + |
|
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4154 "cast(0 as int) AS \"CHAR_OCTET_LENGTH\", " + |
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4155 "'' AS \"IS_NULLABLE\" " + |
|
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4156 "WHERE 1 = 0"; |
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4157 |
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4158 return executeMetaDataQuery(query); |
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4159 } |
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4160 |
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4161 /** |
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4162 * Retrieves whether a generated key will always be returned if the |
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4163 * column name(s) or index(es) specified for the auto generated key |
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4164 * column(s) are valid and the statement succeeds. The key that is |
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4165 * returned may or may not be based on the column(s) for the auto |
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4166 * generated key. |
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4167 * |
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4168 * @return true if so, false otherwise |
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4169 * @throws SQLException - if a database access error occurs |
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4170 */ |
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4171 @Override |
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4172 public boolean generatedKeyAlwaysReturned() throws SQLException { |
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4173 return true; |
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4174 } |
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4175 |
|
264
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4176 //== 1.8 methods (JDBC 4.2) |
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4177 |
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4178 /** |
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4179 * Retrieves the maximum number of bytes this database allows for the logical size for a LOB. |
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4180 * The default implementation will return 0 |
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4181 * @return the maximum number of bytes |
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4182 */ |
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4183 @Override |
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4184 public long getMaxLogicalLobSize() { |
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4185 return 0; |
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4186 } |
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4187 |
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4188 /** |
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4189 * Retrieves whether this database supports REF CURSOR. |
|
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4190 * The default implementation will return false |
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4191 * @return true if so, false otherwise |
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4192 */ |
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4193 @Override |
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4194 public boolean supportsRefCursors() { |
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4195 return false; |
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4196 } |
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4197 |
|
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4198 //== end methods interface DatabaseMetaData |
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4199 } |