[766] | 1 | /* |
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| 2 | Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved. |
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| 3 | |
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| 4 | The MySQL Connector/J is licensed under the terms of the GPLv2 |
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| 5 | <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most MySQL Connectors. |
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| 6 | There are special exceptions to the terms and conditions of the GPLv2 as it is applied to |
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| 7 | this software, see the FLOSS License Exception |
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| 8 | <http://www.mysql.com/about/legal/licensing/foss-exception.html>. |
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| 9 | |
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| 10 | This program is free software; you can redistribute it and/or modify it under the terms |
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| 11 | of the GNU General Public License as published by the Free Software Foundation; version 2 |
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| 12 | of the License. |
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| 13 | |
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| 14 | This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; |
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| 15 | without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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| 16 | See the GNU General Public License for more details. |
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| 17 | |
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| 18 | You should have received a copy of the GNU General Public License along with this |
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| 19 | program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth |
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| 20 | Floor, Boston, MA 02110-1301 USA |
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| 21 | |
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| 22 | */ |
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| 23 | package com.mysql.jdbc; |
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| 24 | |
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| 25 | import java.sql.ResultSet; |
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| 26 | import java.sql.SQLException; |
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| 27 | import java.sql.Types; |
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| 28 | import java.util.List; |
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| 29 | |
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| 30 | /** |
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| 31 | * DatabaseMetaData implementation that uses INFORMATION_SCHEMA available in |
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| 32 | * MySQL-5.0 and newer. |
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| 33 | * |
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| 34 | * The majority of the queries in this code were built for Connector/OO.org by |
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| 35 | * Georg Richter (georg_at_mysql.com). |
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| 36 | */ |
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| 37 | public class DatabaseMetaDataUsingInfoSchema extends DatabaseMetaData { |
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| 38 | |
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| 39 | private boolean hasReferentialConstraintsView; |
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| 40 | private final boolean hasParametersView; |
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| 41 | |
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| 42 | protected DatabaseMetaDataUsingInfoSchema(MySQLConnection connToSet, |
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| 43 | String databaseToSet) throws SQLException { |
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| 44 | super(connToSet, databaseToSet); |
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| 45 | |
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| 46 | this.hasReferentialConstraintsView = |
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| 47 | this.conn.versionMeetsMinimum(5, 1, 10); |
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| 48 | |
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| 49 | ResultSet rs = null; |
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| 50 | |
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| 51 | try { |
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| 52 | rs = super.getTables("INFORMATION_SCHEMA", null, "PARAMETERS", new String[0]); |
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| 53 | |
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| 54 | this.hasParametersView = rs.next(); |
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| 55 | } finally { |
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| 56 | if (rs != null) { |
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| 57 | rs.close(); |
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| 58 | } |
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| 59 | } |
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| 60 | } |
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| 61 | |
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| 62 | private ResultSet executeMetadataQuery(java.sql.PreparedStatement pStmt) |
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| 63 | throws SQLException { |
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| 64 | ResultSet rs = pStmt.executeQuery(); |
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| 65 | ((com.mysql.jdbc.ResultSetInternalMethods) rs).setOwningStatement(null); |
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| 66 | |
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| 67 | return rs; |
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| 68 | } |
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| 69 | |
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| 70 | /** |
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| 71 | * Get a description of the access rights for a table's columns. |
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| 72 | * <P> |
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| 73 | * Only privileges matching the column name criteria are returned. They are |
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| 74 | * ordered by COLUMN_NAME and PRIVILEGE. |
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| 75 | * </p> |
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| 76 | * <P> |
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| 77 | * Each privilige description has the following columns: |
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| 78 | * <OL> |
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| 79 | * <li> <B>TABLE_CAT</B> String => table catalog (may be null) </li> |
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| 80 | * <li> <B>TABLE_SCHEM</B> String => table schema (may be null) </li> |
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| 81 | * <li> <B>TABLE_NAME</B> String => table name </li> |
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| 82 | * <li> <B>COLUMN_NAME</B> String => column name </li> |
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| 83 | * <li> <B>GRANTOR</B> => grantor of access (may be null) </li> |
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| 84 | * <li> <B>GRANTEE</B> String => grantee of access </li> |
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| 85 | * <li> <B>PRIVILEGE</B> String => name of access (SELECT, INSERT, UPDATE, |
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| 86 | * REFRENCES, ...) </li> |
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| 87 | * <li> <B>IS_GRANTABLE</B> String => "YES" if grantee is permitted to |
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| 88 | * grant to others; "NO" if not; null if unknown </li> |
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| 89 | * </ol> |
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| 90 | * </p> |
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| 91 | * |
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| 92 | * @param catalog |
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| 93 | * a catalog name; "" retrieves those without a catalog |
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| 94 | * @param schema |
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| 95 | * a schema name; "" retrieves those without a schema |
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| 96 | * @param table |
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| 97 | * a table name |
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| 98 | * @param columnNamePattern |
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| 99 | * a column name pattern |
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| 100 | * @return ResultSet each row is a column privilege description |
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| 101 | * @throws SQLException |
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| 102 | * if a database access error occurs |
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| 103 | * @see #getSearchStringEscape |
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| 104 | */ |
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| 105 | public java.sql.ResultSet getColumnPrivileges(String catalog, |
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| 106 | String schema, String table, String columnNamePattern) |
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| 107 | throws SQLException { |
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| 108 | if (columnNamePattern == null) { |
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| 109 | if (this.conn.getNullNamePatternMatchesAll()) { |
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| 110 | columnNamePattern = "%"; |
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| 111 | } else { |
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| 112 | throw SQLError.createSQLException( |
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| 113 | "Column name pattern can not be NULL or empty.", |
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| 114 | SQLError.SQL_STATE_ILLEGAL_ARGUMENT, getExceptionInterceptor()); |
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| 115 | } |
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| 116 | } |
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| 117 | |
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| 118 | if (catalog == null) { |
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| 119 | if (this.conn.getNullCatalogMeansCurrent()) { |
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| 120 | catalog = this.database; |
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| 121 | } |
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| 122 | } |
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| 123 | |
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| 124 | String sql = "SELECT TABLE_SCHEMA AS TABLE_CAT, NULL AS TABLE_SCHEM, TABLE_NAME," |
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| 125 | +"COLUMN_NAME, NULL AS GRANTOR, GRANTEE, PRIVILEGE_TYPE AS PRIVILEGE, IS_GRANTABLE FROM " |
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| 126 | + "INFORMATION_SCHEMA.COLUMN_PRIVILEGES WHERE " |
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| 127 | + "TABLE_SCHEMA LIKE ? AND " |
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| 128 | + "TABLE_NAME =? AND COLUMN_NAME LIKE ? ORDER BY " |
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| 129 | + "COLUMN_NAME, PRIVILEGE_TYPE"; |
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| 130 | |
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| 131 | java.sql.PreparedStatement pStmt = null; |
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| 132 | |
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| 133 | try { |
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| 134 | pStmt = prepareMetaDataSafeStatement(sql); |
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| 135 | |
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| 136 | if (catalog != null) { |
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| 137 | pStmt.setString(1, catalog); |
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| 138 | } else { |
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| 139 | pStmt.setString(1, "%"); |
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| 140 | } |
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| 141 | |
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| 142 | pStmt.setString(2, table); |
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| 143 | pStmt.setString(3, columnNamePattern); |
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| 144 | |
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| 145 | ResultSet rs = executeMetadataQuery(pStmt); |
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| 146 | ((com.mysql.jdbc.ResultSetInternalMethods) rs).redefineFieldsForDBMD(new Field[] { |
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| 147 | new Field("", "TABLE_CAT", Types.CHAR, 64), |
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| 148 | new Field("", "TABLE_SCHEM", Types.CHAR, 1), |
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| 149 | new Field("", "TABLE_NAME", Types.CHAR, 64), |
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| 150 | new Field("", "COLUMN_NAME", Types.CHAR, 64), |
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| 151 | new Field("", "GRANTOR", Types.CHAR, 77), |
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| 152 | new Field("", "GRANTEE", Types.CHAR, 77), |
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| 153 | new Field("", "PRIVILEGE", Types.CHAR, 64), |
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| 154 | new Field("", "IS_GRANTABLE", Types.CHAR, 3)}); |
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| 155 | |
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| 156 | return rs; |
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| 157 | } finally { |
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| 158 | if (pStmt != null) { |
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| 159 | pStmt.close(); |
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| 160 | } |
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| 161 | } |
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| 162 | } |
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| 163 | |
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| 164 | /** |
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| 165 | * Get a description of table columns available in a catalog. |
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| 166 | * <P> |
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| 167 | * Only column descriptions matching the catalog, schema, table and column |
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| 168 | * name criteria are returned. They are ordered by TABLE_SCHEM, TABLE_NAME |
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| 169 | * and ORDINAL_POSITION. |
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| 170 | * </p> |
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| 171 | * <P> |
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| 172 | * Each column description has the following columns: |
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| 173 | * <OL> |
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| 174 | * <li> <B>TABLE_CAT</B> String => table catalog (may be null) </li> |
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| 175 | * <li> <B>TABLE_SCHEM</B> String => table schema (may be null) </li> |
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| 176 | * <li> <B>TABLE_NAME</B> String => table name </li> |
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| 177 | * <li> <B>COLUMN_NAME</B> String => column name </li> |
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| 178 | * <li> <B>DATA_TYPE</B> short => SQL type from java.sql.Types </li> |
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| 179 | * <li> <B>TYPE_NAME</B> String => Data source dependent type name </li> |
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| 180 | * <li> <B>COLUMN_SIZE</B> int => column size. For char or date types this |
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| 181 | * is the maximum number of characters, for numeric or decimal types this is |
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| 182 | * precision. </li> |
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| 183 | * <li> <B>BUFFER_LENGTH</B> is not used. </li> |
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| 184 | * <li> <B>DECIMAL_DIGITS</B> int => the number of fractional digits </li> |
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| 185 | * <li> <B>NUM_PREC_RADIX</B> int => Radix (typically either 10 or 2) </li> |
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| 186 | * <li> <B>NULLABLE</B> int => is NULL allowed? |
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| 187 | * <UL> |
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| 188 | * <li> columnNoNulls - might not allow NULL values </li> |
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| 189 | * <li> columnNullable - definitely allows NULL values </li> |
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| 190 | * <li> columnNullableUnknown - nullability unknown </li> |
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| 191 | * </ul> |
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| 192 | * </li> |
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| 193 | * <li> <B>REMARKS</B> String => comment describing column (may be null) |
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| 194 | * </li> |
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| 195 | * <li> <B>COLUMN_DEF</B> String => default value (may be null) </li> |
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| 196 | * <li> <B>SQL_DATA_TYPE</B> int => unused </li> |
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| 197 | * <li> <B>SQL_DATETIME_SUB</B> int => unused </li> |
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| 198 | * <li> <B>CHAR_OCTET_LENGTH</B> int => for char types the maximum number |
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| 199 | * of bytes in the column </li> |
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| 200 | * <li> <B>ORDINAL_POSITION</B> int => index of column in table (starting |
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| 201 | * at 1) </li> |
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| 202 | * <li> <B>IS_NULLABLE</B> String => "NO" means column definitely does not |
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| 203 | * allow NULL values; "YES" means the column might allow NULL values. An |
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| 204 | * empty string means nobody knows. </li> |
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| 205 | * </ol> |
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| 206 | * </p> |
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| 207 | */ |
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| 208 | public ResultSet getColumns(String catalog, String schemaPattern, |
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| 209 | String tableName, String columnNamePattern) throws SQLException { |
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| 210 | if (columnNamePattern == null) { |
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| 211 | if (this.conn.getNullNamePatternMatchesAll()) { |
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| 212 | columnNamePattern = "%"; |
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| 213 | } else { |
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| 214 | throw SQLError.createSQLException( |
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| 215 | "Column name pattern can not be NULL or empty.", |
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| 216 | SQLError.SQL_STATE_ILLEGAL_ARGUMENT, getExceptionInterceptor()); |
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| 217 | } |
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| 218 | } |
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| 219 | |
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| 220 | if (catalog == null) { |
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| 221 | if (this.conn.getNullCatalogMeansCurrent()) { |
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| 222 | catalog = this.database; |
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| 223 | } |
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| 224 | } |
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| 225 | |
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| 226 | StringBuffer sqlBuf = new StringBuffer("SELECT " |
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| 227 | + "TABLE_SCHEMA AS TABLE_CAT, " + "NULL AS TABLE_SCHEM," |
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| 228 | + "TABLE_NAME," + "COLUMN_NAME,"); |
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| 229 | MysqlDefs.appendJdbcTypeMappingQuery(sqlBuf, "DATA_TYPE"); |
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| 230 | |
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| 231 | sqlBuf.append(" AS DATA_TYPE, "); |
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| 232 | |
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| 233 | if (conn.getCapitalizeTypeNames()) { |
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| 234 | sqlBuf.append("UPPER(CASE WHEN LOCATE('unsigned', COLUMN_TYPE) != 0 AND LOCATE('unsigned', DATA_TYPE) = 0 AND LOCATE('set', DATA_TYPE) <> 1 AND LOCATE('enum', DATA_TYPE) <> 1 THEN CONCAT(DATA_TYPE, ' unsigned') ELSE DATA_TYPE END) AS TYPE_NAME,"); |
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| 235 | } else { |
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| 236 | sqlBuf.append("CASE WHEN LOCATE('unsigned', COLUMN_TYPE) != 0 AND LOCATE('unsigned', DATA_TYPE) = 0 AND LOCATE('set', DATA_TYPE) <> 1 AND LOCATE('enum', DATA_TYPE) <> 1 THEN CONCAT(DATA_TYPE, ' unsigned') ELSE DATA_TYPE END AS TYPE_NAME,"); |
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| 237 | } |
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| 238 | |
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| 239 | sqlBuf |
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| 240 | .append("CASE WHEN LCASE(DATA_TYPE)='date' THEN 10 WHEN LCASE(DATA_TYPE)='time' THEN 8 WHEN LCASE(DATA_TYPE)='datetime' THEN 19 WHEN LCASE(DATA_TYPE)='timestamp' THEN 19 WHEN CHARACTER_MAXIMUM_LENGTH IS NULL THEN NUMERIC_PRECISION WHEN CHARACTER_MAXIMUM_LENGTH > " |
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| 241 | + Integer.MAX_VALUE + " THEN " + Integer.MAX_VALUE + " ELSE CHARACTER_MAXIMUM_LENGTH END AS COLUMN_SIZE, " |
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| 242 | + MysqlIO.getMaxBuf() + " AS BUFFER_LENGTH," |
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| 243 | + "NUMERIC_SCALE AS DECIMAL_DIGITS," |
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| 244 | + "10 AS NUM_PREC_RADIX," |
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| 245 | + "CASE WHEN IS_NULLABLE='NO' THEN " + columnNoNulls + " ELSE CASE WHEN IS_NULLABLE='YES' THEN " + columnNullable + " ELSE " + columnNullableUnknown + " END END AS NULLABLE," |
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| 246 | + "COLUMN_COMMENT AS REMARKS," |
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| 247 | + "COLUMN_DEFAULT AS COLUMN_DEF," |
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| 248 | + "0 AS SQL_DATA_TYPE," |
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| 249 | + "0 AS SQL_DATETIME_SUB," |
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| 250 | + "CASE WHEN CHARACTER_OCTET_LENGTH > " + Integer.MAX_VALUE + " THEN " + Integer.MAX_VALUE + " ELSE CHARACTER_OCTET_LENGTH END AS CHAR_OCTET_LENGTH," |
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| 251 | + "ORDINAL_POSITION," |
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| 252 | + "IS_NULLABLE," |
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| 253 | + "NULL AS SCOPE_CATALOG," |
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| 254 | + "NULL AS SCOPE_SCHEMA," |
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| 255 | + "NULL AS SCOPE_TABLE," |
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| 256 | + "NULL AS SOURCE_DATA_TYPE," |
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| 257 | + "IF (EXTRA LIKE '%auto_increment%','YES','NO') AS IS_AUTOINCREMENT " |
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| 258 | + "FROM INFORMATION_SCHEMA.COLUMNS WHERE "); |
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| 259 | |
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| 260 | final boolean operatingOnInformationSchema = "information_schema".equalsIgnoreCase(catalog); |
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| 261 | |
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| 262 | if (catalog != null) { |
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| 263 | if ((operatingOnInformationSchema) || ((StringUtils.indexOfIgnoreCase(0, catalog, "%") == -1) |
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| 264 | && (StringUtils.indexOfIgnoreCase(0, catalog, "_") == -1))) { |
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| 265 | sqlBuf.append("TABLE_SCHEMA = ? AND "); |
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| 266 | } else { |
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| 267 | sqlBuf.append("TABLE_SCHEMA LIKE ? AND "); |
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| 268 | } |
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| 269 | |
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| 270 | } else { |
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| 271 | sqlBuf.append("TABLE_SCHEMA LIKE ? AND "); |
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| 272 | } |
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| 273 | |
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| 274 | if (tableName != null) { |
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| 275 | if ((StringUtils.indexOfIgnoreCase(0, tableName, "%") == -1) |
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| 276 | && (StringUtils.indexOfIgnoreCase(0, tableName, "_") == -1)) { |
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| 277 | sqlBuf.append("TABLE_NAME = ? AND "); |
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| 278 | } else { |
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| 279 | sqlBuf.append("TABLE_NAME LIKE ? AND "); |
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| 280 | } |
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| 281 | |
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| 282 | } else { |
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| 283 | sqlBuf.append("TABLE_NAME LIKE ? AND "); |
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| 284 | } |
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| 285 | |
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| 286 | if ((StringUtils.indexOfIgnoreCase(0, columnNamePattern, "%") == -1) |
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| 287 | && (StringUtils.indexOfIgnoreCase(0, columnNamePattern, "_") == -1)) { |
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| 288 | sqlBuf.append("COLUMN_NAME = ? "); |
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| 289 | } else { |
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| 290 | sqlBuf.append("COLUMN_NAME LIKE ? "); |
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| 291 | } |
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| 292 | sqlBuf.append("ORDER BY TABLE_SCHEMA, TABLE_NAME, ORDINAL_POSITION"); |
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| 293 | |
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| 294 | java.sql.PreparedStatement pStmt = null; |
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| 295 | |
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| 296 | try { |
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| 297 | pStmt = prepareMetaDataSafeStatement(sqlBuf.toString()); |
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| 298 | |
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| 299 | if (catalog != null) { |
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| 300 | pStmt.setString(1, catalog); |
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| 301 | } else { |
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| 302 | pStmt.setString(1, "%"); |
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| 303 | } |
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| 304 | |
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| 305 | pStmt.setString(2, tableName); |
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| 306 | pStmt.setString(3, columnNamePattern); |
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| 307 | |
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| 308 | ResultSet rs = executeMetadataQuery(pStmt); |
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| 309 | |
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| 310 | ((com.mysql.jdbc.ResultSetInternalMethods) rs).redefineFieldsForDBMD(createColumnsFields()); |
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| 311 | return rs; |
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| 312 | } finally { |
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| 313 | if (pStmt != null) { |
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| 314 | pStmt.close(); |
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| 315 | } |
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| 316 | } |
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| 317 | } |
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| 318 | |
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| 319 | /** |
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| 320 | * Get a description of the foreign key columns in the foreign key table |
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| 321 | * that reference the primary key columns of the primary key table (describe |
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| 322 | * how one table imports another's key.) This should normally return a |
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| 323 | * single foreign key/primary key pair (most tables only import a foreign |
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| 324 | * key from a table once.) They are ordered by FKTABLE_CAT, FKTABLE_SCHEM, |
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| 325 | * FKTABLE_NAME, and KEY_SEQ. |
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| 326 | * <P> |
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| 327 | * Each foreign key column description has the following columns: |
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| 328 | * <OL> |
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| 329 | * <li> <B>PKTABLE_CAT</B> String => primary key table catalog (may be |
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| 330 | * null) </li> |
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| 331 | * <li> <B>PKTABLE_SCHEM</B> String => primary key table schema (may be |
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| 332 | * null) </li> |
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| 333 | * <li> <B>PKTABLE_NAME</B> String => primary key table name </li> |
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| 334 | * <li> <B>PKCOLUMN_NAME</B> String => primary key column name </li> |
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| 335 | * <li> <B>FKTABLE_CAT</B> String => foreign key table catalog (may be |
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| 336 | * null) being exported (may be null) </li> |
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| 337 | * <li> <B>FKTABLE_SCHEM</B> String => foreign key table schema (may be |
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| 338 | * null) being exported (may be null) </li> |
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| 339 | * <li> <B>FKTABLE_NAME</B> String => foreign key table name being exported |
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| 340 | * </li> |
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| 341 | * <li> <B>FKCOLUMN_NAME</B> String => foreign key column name being |
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| 342 | * exported </li> |
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| 343 | * <li> <B>KEY_SEQ</B> short => sequence number within foreign key </li> |
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| 344 | * <li> <B>UPDATE_RULE</B> short => What happens to foreign key when |
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| 345 | * primary is updated: |
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| 346 | * <UL> |
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| 347 | * <li> importedKeyCascade - change imported key to agree with primary key |
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| 348 | * update </li> |
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| 349 | * <li> importedKeyRestrict - do not allow update of primary key if it has |
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| 350 | * been imported </li> |
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| 351 | * <li> importedKeySetNull - change imported key to NULL if its primary key |
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| 352 | * has been updated </li> |
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| 353 | * </ul> |
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| 354 | * </li> |
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| 355 | * <li> <B>DELETE_RULE</B> short => What happens to the foreign key when |
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| 356 | * primary is deleted. |
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| 357 | * <UL> |
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| 358 | * <li> importedKeyCascade - delete rows that import a deleted key </li> |
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| 359 | * <li> importedKeyRestrict - do not allow delete of primary key if it has |
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| 360 | * been imported </li> |
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| 361 | * <li> importedKeySetNull - change imported key to NULL if its primary key |
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| 362 | * has been deleted </li> |
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| 363 | * </ul> |
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| 364 | * </li> |
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| 365 | * <li> <B>FK_NAME</B> String => foreign key identifier (may be null) </li> |
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| 366 | * <li> <B>PK_NAME</B> String => primary key identifier (may be null) </li> |
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| 367 | * </ol> |
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| 368 | * </p> |
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| 369 | * |
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| 370 | * @param primaryCatalog |
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| 371 | * a catalog name; "" retrieves those without a catalog |
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| 372 | * @param primarySchema |
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| 373 | * a schema name pattern; "" retrieves those without a schema |
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| 374 | * @param primaryTable |
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| 375 | * a table name |
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| 376 | * @param foreignCatalog |
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| 377 | * a catalog name; "" retrieves those without a catalog |
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| 378 | * @param foreignSchema |
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| 379 | * a schema name pattern; "" retrieves those without a schema |
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| 380 | * @param foreignTable |
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| 381 | * a table name |
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| 382 | * @return ResultSet each row is a foreign key column description |
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| 383 | * @throws SQLException |
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| 384 | * if a database access error occurs |
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| 385 | */ |
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| 386 | public java.sql.ResultSet getCrossReference(String primaryCatalog, |
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| 387 | String primarySchema, String primaryTable, String foreignCatalog, |
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| 388 | String foreignSchema, String foreignTable) throws SQLException { |
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| 389 | if (primaryTable == null) { |
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| 390 | throw SQLError.createSQLException("Table not specified.", |
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| 391 | SQLError.SQL_STATE_ILLEGAL_ARGUMENT, getExceptionInterceptor()); |
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| 392 | } |
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| 393 | |
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| 394 | if (primaryCatalog == null) { |
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| 395 | if (this.conn.getNullCatalogMeansCurrent()) { |
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| 396 | primaryCatalog = this.database; |
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| 397 | } |
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| 398 | } |
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| 399 | |
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| 400 | if (foreignCatalog == null) { |
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| 401 | if (this.conn.getNullCatalogMeansCurrent()) { |
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| 402 | foreignCatalog = this.database; |
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| 403 | } |
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| 404 | } |
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| 405 | |
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| 406 | String sql = "SELECT " |
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| 407 | + "A.REFERENCED_TABLE_SCHEMA AS PKTABLE_CAT," |
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| 408 | + "NULL AS PKTABLE_SCHEM," |
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| 409 | + "A.REFERENCED_TABLE_NAME AS PKTABLE_NAME," |
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| 410 | + "A.REFERENCED_COLUMN_NAME AS PKCOLUMN_NAME," |
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| 411 | + "A.TABLE_SCHEMA AS FKTABLE_CAT," |
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| 412 | + "NULL AS FKTABLE_SCHEM," |
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| 413 | + "A.TABLE_NAME AS FKTABLE_NAME, " |
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| 414 | + "A.COLUMN_NAME AS FKCOLUMN_NAME, " |
---|
| 415 | + "A.ORDINAL_POSITION AS KEY_SEQ," |
---|
| 416 | + generateUpdateRuleClause() |
---|
| 417 | + " AS UPDATE_RULE," |
---|
| 418 | + generateDeleteRuleClause() |
---|
| 419 | + " AS DELETE_RULE," |
---|
| 420 | + "A.CONSTRAINT_NAME AS FK_NAME," |
---|
| 421 | + "(SELECT CONSTRAINT_NAME FROM" |
---|
| 422 | + " INFORMATION_SCHEMA.TABLE_CONSTRAINTS" |
---|
| 423 | + " WHERE TABLE_SCHEMA = A.REFERENCED_TABLE_SCHEMA AND" |
---|
| 424 | + " TABLE_NAME = A.REFERENCED_TABLE_NAME AND" |
---|
| 425 | + " CONSTRAINT_TYPE IN ('UNIQUE','PRIMARY KEY') LIMIT 1)" |
---|
| 426 | + " AS PK_NAME," |
---|
| 427 | + importedKeyNotDeferrable |
---|
| 428 | + " AS DEFERRABILITY " |
---|
| 429 | + "FROM " |
---|
| 430 | + "INFORMATION_SCHEMA.KEY_COLUMN_USAGE A JOIN " |
---|
| 431 | + "INFORMATION_SCHEMA.TABLE_CONSTRAINTS B " |
---|
| 432 | + "USING (TABLE_SCHEMA, TABLE_NAME, CONSTRAINT_NAME) " |
---|
| 433 | + generateOptionalRefContraintsJoin() |
---|
| 434 | + "WHERE " |
---|
| 435 | + "B.CONSTRAINT_TYPE = 'FOREIGN KEY' " |
---|
| 436 | + "AND A.REFERENCED_TABLE_SCHEMA LIKE ? AND A.REFERENCED_TABLE_NAME=? " |
---|
| 437 | + "AND A.TABLE_SCHEMA LIKE ? AND A.TABLE_NAME=? " + "ORDER BY " |
---|
| 438 | + "A.TABLE_SCHEMA, A.TABLE_NAME, A.ORDINAL_POSITION"; |
---|
| 439 | |
---|
| 440 | java.sql.PreparedStatement pStmt = null; |
---|
| 441 | |
---|
| 442 | try { |
---|
| 443 | pStmt = prepareMetaDataSafeStatement(sql); |
---|
| 444 | if (primaryCatalog != null) { |
---|
| 445 | pStmt.setString(1, primaryCatalog); |
---|
| 446 | } else { |
---|
| 447 | pStmt.setString(1, "%"); |
---|
| 448 | } |
---|
| 449 | |
---|
| 450 | pStmt.setString(2, primaryTable); |
---|
| 451 | |
---|
| 452 | if (foreignCatalog != null) { |
---|
| 453 | pStmt.setString(3, foreignCatalog); |
---|
| 454 | } else { |
---|
| 455 | pStmt.setString(3, "%"); |
---|
| 456 | } |
---|
| 457 | |
---|
| 458 | pStmt.setString(4, foreignTable); |
---|
| 459 | |
---|
| 460 | ResultSet rs = executeMetadataQuery(pStmt); |
---|
| 461 | ((com.mysql.jdbc.ResultSetInternalMethods) rs).redefineFieldsForDBMD(createFkMetadataFields()); |
---|
| 462 | |
---|
| 463 | return rs; |
---|
| 464 | } finally { |
---|
| 465 | if (pStmt != null) { |
---|
| 466 | pStmt.close(); |
---|
| 467 | } |
---|
| 468 | } |
---|
| 469 | } |
---|
| 470 | |
---|
| 471 | /** |
---|
| 472 | * Get a description of a foreign key columns that reference a table's |
---|
| 473 | * primary key columns (the foreign keys exported by a table). They are |
---|
| 474 | * ordered by FKTABLE_CAT, FKTABLE_SCHEM, FKTABLE_NAME, and KEY_SEQ. |
---|
| 475 | * <P> |
---|
| 476 | * Each foreign key column description has the following columns: |
---|
| 477 | * <OL> |
---|
| 478 | * <li> <B>PKTABLE_CAT</B> String => primary key table catalog (may be |
---|
| 479 | * null) </li> |
---|
| 480 | * <li> <B>PKTABLE_SCHEM</B> String => primary key table schema (may be |
---|
| 481 | * null) </li> |
---|
| 482 | * <li> <B>PKTABLE_NAME</B> String => primary key table name </li> |
---|
| 483 | * <li> <B>PKCOLUMN_NAME</B> String => primary key column name </li> |
---|
| 484 | * <li> <B>FKTABLE_CAT</B> String => foreign key table catalog (may be |
---|
| 485 | * null) being exported (may be null) </li> |
---|
| 486 | * <li> <B>FKTABLE_SCHEM</B> String => foreign key table schema (may be |
---|
| 487 | * null) being exported (may be null) </li> |
---|
| 488 | * <li> <B>FKTABLE_NAME</B> String => foreign key table name being exported |
---|
| 489 | * </li> |
---|
| 490 | * <li> <B>FKCOLUMN_NAME</B> String => foreign key column name being |
---|
| 491 | * exported </li> |
---|
| 492 | * <li> <B>KEY_SEQ</B> short => sequence number within foreign key </li> |
---|
| 493 | * <li> <B>UPDATE_RULE</B> short => What happens to foreign key when |
---|
| 494 | * primary is updated: |
---|
| 495 | * <UL> |
---|
| 496 | * <li> importedKeyCascade - change imported key to agree with primary key |
---|
| 497 | * update </li> |
---|
| 498 | * <li> importedKeyRestrict - do not allow update of primary key if it has |
---|
| 499 | * been imported </li> |
---|
| 500 | * <li> importedKeySetNull - change imported key to NULL if its primary key |
---|
| 501 | * has been updated </li> |
---|
| 502 | * </ul> |
---|
| 503 | * </li> |
---|
| 504 | * <li> <B>DELETE_RULE</B> short => What happens to the foreign key when |
---|
| 505 | * primary is deleted. |
---|
| 506 | * <UL> |
---|
| 507 | * <li> importedKeyCascade - delete rows that import a deleted key </li> |
---|
| 508 | * <li> importedKeyRestrict - do not allow delete of primary key if it has |
---|
| 509 | * been imported </li> |
---|
| 510 | * <li> importedKeySetNull - change imported key to NULL if its primary key |
---|
| 511 | * has been deleted </li> |
---|
| 512 | * </ul> |
---|
| 513 | * </li> |
---|
| 514 | * <li> <B>FK_NAME</B> String => foreign key identifier (may be null) </li> |
---|
| 515 | * <li> <B>PK_NAME</B> String => primary key identifier (may be null) </li> |
---|
| 516 | * </ol> |
---|
| 517 | * </p> |
---|
| 518 | * |
---|
| 519 | * @param catalog |
---|
| 520 | * a catalog name; "" retrieves those without a catalog |
---|
| 521 | * @param schema |
---|
| 522 | * a schema name pattern; "" retrieves those without a schema |
---|
| 523 | * @param table |
---|
| 524 | * a table name |
---|
| 525 | * @return ResultSet each row is a foreign key column description |
---|
| 526 | * @throws SQLException |
---|
| 527 | * if a database access error occurs |
---|
| 528 | * @see #getImportedKeys |
---|
| 529 | */ |
---|
| 530 | public java.sql.ResultSet getExportedKeys(String catalog, String schema, |
---|
| 531 | String table) throws SQLException { |
---|
| 532 | // TODO: Can't determine actions using INFORMATION_SCHEMA yet... |
---|
| 533 | |
---|
| 534 | if (table == null) { |
---|
| 535 | throw SQLError.createSQLException("Table not specified.", |
---|
| 536 | SQLError.SQL_STATE_ILLEGAL_ARGUMENT, getExceptionInterceptor()); |
---|
| 537 | } |
---|
| 538 | |
---|
| 539 | if (catalog == null) { |
---|
| 540 | if (this.conn.getNullCatalogMeansCurrent()) { |
---|
| 541 | catalog = this.database; |
---|
| 542 | } |
---|
| 543 | } |
---|
| 544 | |
---|
| 545 | //CASCADE, SET NULL, SET DEFAULT, RESTRICT, NO ACTION |
---|
| 546 | |
---|
| 547 | String sql = "SELECT " |
---|
| 548 | + "A.REFERENCED_TABLE_SCHEMA AS PKTABLE_CAT," |
---|
| 549 | + "NULL AS PKTABLE_SCHEM," |
---|
| 550 | + "A.REFERENCED_TABLE_NAME AS PKTABLE_NAME, " |
---|
| 551 | + "A.REFERENCED_COLUMN_NAME AS PKCOLUMN_NAME, " |
---|
| 552 | + "A.TABLE_SCHEMA AS FKTABLE_CAT," |
---|
| 553 | + "NULL AS FKTABLE_SCHEM," |
---|
| 554 | + "A.TABLE_NAME AS FKTABLE_NAME," |
---|
| 555 | + "A.COLUMN_NAME AS FKCOLUMN_NAME, " |
---|
| 556 | + "A.ORDINAL_POSITION AS KEY_SEQ," |
---|
| 557 | + generateUpdateRuleClause() |
---|
| 558 | + " AS UPDATE_RULE," |
---|
| 559 | + generateDeleteRuleClause() |
---|
| 560 | + " AS DELETE_RULE," |
---|
| 561 | + "A.CONSTRAINT_NAME AS FK_NAME," |
---|
| 562 | + "(SELECT CONSTRAINT_NAME FROM" |
---|
| 563 | + " INFORMATION_SCHEMA.TABLE_CONSTRAINTS" |
---|
| 564 | + " WHERE TABLE_SCHEMA = A.REFERENCED_TABLE_SCHEMA AND" |
---|
| 565 | + " TABLE_NAME = A.REFERENCED_TABLE_NAME AND" |
---|
| 566 | + " CONSTRAINT_TYPE IN ('UNIQUE','PRIMARY KEY') LIMIT 1)" |
---|
| 567 | + " AS PK_NAME," |
---|
| 568 | + importedKeyNotDeferrable |
---|
| 569 | + " AS DEFERRABILITY " |
---|
| 570 | + "FROM " |
---|
| 571 | + "INFORMATION_SCHEMA.KEY_COLUMN_USAGE A JOIN " |
---|
| 572 | + "INFORMATION_SCHEMA.TABLE_CONSTRAINTS B " |
---|
| 573 | + "USING (TABLE_SCHEMA, TABLE_NAME, CONSTRAINT_NAME) " |
---|
| 574 | + generateOptionalRefContraintsJoin() |
---|
| 575 | + "WHERE " |
---|
| 576 | + "B.CONSTRAINT_TYPE = 'FOREIGN KEY' " |
---|
| 577 | + "AND A.REFERENCED_TABLE_SCHEMA LIKE ? AND A.REFERENCED_TABLE_NAME=? " |
---|
| 578 | + "ORDER BY A.TABLE_SCHEMA, A.TABLE_NAME, A.ORDINAL_POSITION"; |
---|
| 579 | |
---|
| 580 | java.sql.PreparedStatement pStmt = null; |
---|
| 581 | |
---|
| 582 | try { |
---|
| 583 | pStmt = prepareMetaDataSafeStatement(sql); |
---|
| 584 | |
---|
| 585 | if (catalog != null) { |
---|
| 586 | pStmt.setString(1, catalog); |
---|
| 587 | } else { |
---|
| 588 | pStmt.setString(1, "%"); |
---|
| 589 | } |
---|
| 590 | |
---|
| 591 | pStmt.setString(2, table); |
---|
| 592 | |
---|
| 593 | ResultSet rs = executeMetadataQuery(pStmt); |
---|
| 594 | |
---|
| 595 | ((com.mysql.jdbc.ResultSetInternalMethods) rs).redefineFieldsForDBMD(createFkMetadataFields()); |
---|
| 596 | |
---|
| 597 | return rs; |
---|
| 598 | } finally { |
---|
| 599 | if (pStmt != null) { |
---|
| 600 | pStmt.close(); |
---|
| 601 | } |
---|
| 602 | } |
---|
| 603 | |
---|
| 604 | } |
---|
| 605 | |
---|
| 606 | private String generateOptionalRefContraintsJoin() { |
---|
| 607 | return ((this.hasReferentialConstraintsView) ? "JOIN " |
---|
| 608 | + "INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS R " |
---|
| 609 | + "ON (R.CONSTRAINT_NAME = B.CONSTRAINT_NAME " |
---|
| 610 | + "AND R.TABLE_NAME = B.TABLE_NAME AND " |
---|
| 611 | + "R.CONSTRAINT_SCHEMA = B.TABLE_SCHEMA) " : ""); |
---|
| 612 | } |
---|
| 613 | |
---|
| 614 | private String generateDeleteRuleClause() { |
---|
| 615 | return ((this.hasReferentialConstraintsView) ? |
---|
| 616 | "CASE WHEN R.DELETE_RULE='CASCADE' THEN " + String.valueOf(importedKeyCascade) |
---|
| 617 | + " WHEN R.DELETE_RULE='SET NULL' THEN " + String.valueOf(importedKeySetNull) |
---|
| 618 | + " WHEN R.DELETE_RULE='SET DEFAULT' THEN " + String.valueOf(importedKeySetDefault) |
---|
| 619 | + " WHEN R.DELETE_RULE='RESTRICT' THEN " + String.valueOf(importedKeyRestrict) |
---|
| 620 | + " WHEN R.DELETE_RULE='NO ACTION' THEN " + String.valueOf(importedKeyNoAction) |
---|
| 621 | + " ELSE " + String.valueOf(importedKeyNoAction) + " END " : String.valueOf(importedKeyRestrict)); |
---|
| 622 | } |
---|
| 623 | |
---|
| 624 | private String generateUpdateRuleClause() { |
---|
| 625 | return ((this.hasReferentialConstraintsView) ? |
---|
| 626 | "CASE WHEN R.UPDATE_RULE='CASCADE' THEN " + String.valueOf(importedKeyCascade) |
---|
| 627 | + " WHEN R.UPDATE_RULE='SET NULL' THEN " + String.valueOf(importedKeySetNull) |
---|
| 628 | + " WHEN R.UPDATE_RULE='SET DEFAULT' THEN " + String.valueOf(importedKeySetDefault) |
---|
| 629 | + " WHEN R.UPDATE_RULE='RESTRICT' THEN " + String.valueOf(importedKeyRestrict) |
---|
| 630 | + " WHEN R.UPDATE_RULE='NO ACTION' THEN " + String.valueOf(importedKeyNoAction) |
---|
| 631 | + " ELSE " + String.valueOf(importedKeyNoAction) + " END " : String.valueOf(importedKeyRestrict)); |
---|
| 632 | } |
---|
| 633 | |
---|
| 634 | /** |
---|
| 635 | * Get a description of the primary key columns that are referenced by a |
---|
| 636 | * table's foreign key columns (the primary keys imported by a table). They |
---|
| 637 | * are ordered by PKTABLE_CAT, PKTABLE_SCHEM, PKTABLE_NAME, and KEY_SEQ. |
---|
| 638 | * <P> |
---|
| 639 | * Each primary key column description has the following columns: |
---|
| 640 | * <OL> |
---|
| 641 | * <li> <B>PKTABLE_CAT</B> String => primary key table catalog being |
---|
| 642 | * imported (may be null) </li> |
---|
| 643 | * <li> <B>PKTABLE_SCHEM</B> String => primary key table schema being |
---|
| 644 | * imported (may be null) </li> |
---|
| 645 | * <li> <B>PKTABLE_NAME</B> String => primary key table name being imported |
---|
| 646 | * </li> |
---|
| 647 | * <li> <B>PKCOLUMN_NAME</B> String => primary key column name being |
---|
| 648 | * imported </li> |
---|
| 649 | * <li> <B>FKTABLE_CAT</B> String => foreign key table catalog (may be |
---|
| 650 | * null) </li> |
---|
| 651 | * <li> <B>FKTABLE_SCHEM</B> String => foreign key table schema (may be |
---|
| 652 | * null) </li> |
---|
| 653 | * <li> <B>FKTABLE_NAME</B> String => foreign key table name </li> |
---|
| 654 | * <li> <B>FKCOLUMN_NAME</B> String => foreign key column name </li> |
---|
| 655 | * <li> <B>KEY_SEQ</B> short => sequence number within foreign key </li> |
---|
| 656 | * <li> <B>UPDATE_RULE</B> short => What happens to foreign key when |
---|
| 657 | * primary is updated: |
---|
| 658 | * <UL> |
---|
| 659 | * <li> importedKeyCascade - change imported key to agree with primary key |
---|
| 660 | * update </li> |
---|
| 661 | * <li> importedKeyRestrict - do not allow update of primary key if it has |
---|
| 662 | * been imported </li> |
---|
| 663 | * <li> importedKeySetNull - change imported key to NULL if its primary key |
---|
| 664 | * has been updated </li> |
---|
| 665 | * </ul> |
---|
| 666 | * </li> |
---|
| 667 | * <li> <B>DELETE_RULE</B> short => What happens to the foreign key when |
---|
| 668 | * primary is deleted. |
---|
| 669 | * <UL> |
---|
| 670 | * <li> importedKeyCascade - delete rows that import a deleted key </li> |
---|
| 671 | * <li> importedKeyRestrict - do not allow delete of primary key if it has |
---|
| 672 | * been imported </li> |
---|
| 673 | * <li> importedKeySetNull - change imported key to NULL if its primary key |
---|
| 674 | * has been deleted </li> |
---|
| 675 | * </ul> |
---|
| 676 | * </li> |
---|
| 677 | * <li> <B>FK_NAME</B> String => foreign key name (may be null) </li> |
---|
| 678 | * <li> <B>PK_NAME</B> String => primary key name (may be null) </li> |
---|
| 679 | * </ol> |
---|
| 680 | * </p> |
---|
| 681 | * |
---|
| 682 | * @param catalog |
---|
| 683 | * a catalog name; "" retrieves those without a catalog |
---|
| 684 | * @param schema |
---|
| 685 | * a schema name pattern; "" retrieves those without a schema |
---|
| 686 | * @param table |
---|
| 687 | * a table name |
---|
| 688 | * @return ResultSet each row is a primary key column description |
---|
| 689 | * @throws SQLException |
---|
| 690 | * if a database access error occurs |
---|
| 691 | * @see #getExportedKeys |
---|
| 692 | */ |
---|
| 693 | public java.sql.ResultSet getImportedKeys(String catalog, String schema, |
---|
| 694 | String table) throws SQLException { |
---|
| 695 | if (table == null) { |
---|
| 696 | throw SQLError.createSQLException("Table not specified.", |
---|
| 697 | SQLError.SQL_STATE_ILLEGAL_ARGUMENT, getExceptionInterceptor()); |
---|
| 698 | } |
---|
| 699 | |
---|
| 700 | if (catalog == null) { |
---|
| 701 | if (this.conn.getNullCatalogMeansCurrent()) { |
---|
| 702 | catalog = this.database; |
---|
| 703 | } |
---|
| 704 | } |
---|
| 705 | |
---|
| 706 | String sql = "SELECT " |
---|
| 707 | + "A.REFERENCED_TABLE_SCHEMA AS PKTABLE_CAT," |
---|
| 708 | + "NULL AS PKTABLE_SCHEM," |
---|
| 709 | + "A.REFERENCED_TABLE_NAME AS PKTABLE_NAME," |
---|
| 710 | + "A.REFERENCED_COLUMN_NAME AS PKCOLUMN_NAME," |
---|
| 711 | + "A.TABLE_SCHEMA AS FKTABLE_CAT," |
---|
| 712 | + "NULL AS FKTABLE_SCHEM," |
---|
| 713 | + "A.TABLE_NAME AS FKTABLE_NAME, " |
---|
| 714 | + "A.COLUMN_NAME AS FKCOLUMN_NAME, " |
---|
| 715 | + "A.ORDINAL_POSITION AS KEY_SEQ," |
---|
| 716 | + generateUpdateRuleClause() |
---|
| 717 | + " AS UPDATE_RULE," |
---|
| 718 | + generateDeleteRuleClause() |
---|
| 719 | + " AS DELETE_RULE," |
---|
| 720 | + "A.CONSTRAINT_NAME AS FK_NAME," |
---|
| 721 | + "(SELECT CONSTRAINT_NAME FROM" |
---|
| 722 | + " INFORMATION_SCHEMA.TABLE_CONSTRAINTS" |
---|
| 723 | + " WHERE TABLE_SCHEMA = A.REFERENCED_TABLE_SCHEMA AND" |
---|
| 724 | + " TABLE_NAME = A.REFERENCED_TABLE_NAME AND" |
---|
| 725 | + " CONSTRAINT_TYPE IN ('UNIQUE','PRIMARY KEY') LIMIT 1)" |
---|
| 726 | + " AS PK_NAME," |
---|
| 727 | + importedKeyNotDeferrable |
---|
| 728 | + " AS DEFERRABILITY " |
---|
| 729 | + "FROM " |
---|
| 730 | + "INFORMATION_SCHEMA.KEY_COLUMN_USAGE A " |
---|
| 731 | + "JOIN INFORMATION_SCHEMA.TABLE_CONSTRAINTS B USING " |
---|
| 732 | + "(CONSTRAINT_NAME, TABLE_NAME) " |
---|
| 733 | + generateOptionalRefContraintsJoin() |
---|
| 734 | + "WHERE " |
---|
| 735 | + "B.CONSTRAINT_TYPE = 'FOREIGN KEY' " |
---|
| 736 | + "AND A.TABLE_SCHEMA LIKE ? " |
---|
| 737 | + "AND A.TABLE_NAME=? " |
---|
| 738 | + "AND A.REFERENCED_TABLE_SCHEMA IS NOT NULL " |
---|
| 739 | + "ORDER BY " |
---|
| 740 | + "A.REFERENCED_TABLE_SCHEMA, A.REFERENCED_TABLE_NAME, " |
---|
| 741 | + "A.ORDINAL_POSITION"; |
---|
| 742 | |
---|
| 743 | java.sql.PreparedStatement pStmt = null; |
---|
| 744 | |
---|
| 745 | try { |
---|
| 746 | pStmt = prepareMetaDataSafeStatement(sql); |
---|
| 747 | |
---|
| 748 | if (catalog != null) { |
---|
| 749 | pStmt.setString(1, catalog); |
---|
| 750 | } else { |
---|
| 751 | pStmt.setString(1, "%"); |
---|
| 752 | } |
---|
| 753 | |
---|
| 754 | pStmt.setString(2, table); |
---|
| 755 | |
---|
| 756 | ResultSet rs = executeMetadataQuery(pStmt); |
---|
| 757 | |
---|
| 758 | ((com.mysql.jdbc.ResultSetInternalMethods) rs).redefineFieldsForDBMD(createFkMetadataFields()); |
---|
| 759 | |
---|
| 760 | return rs; |
---|
| 761 | } finally { |
---|
| 762 | if (pStmt != null) { |
---|
| 763 | pStmt.close(); |
---|
| 764 | } |
---|
| 765 | } |
---|
| 766 | } |
---|
| 767 | |
---|
| 768 | /** |
---|
| 769 | * Get a description of a table's indices and statistics. They are ordered |
---|
| 770 | * by NON_UNIQUE, TYPE, INDEX_NAME, and ORDINAL_POSITION. |
---|
| 771 | * <P> |
---|
| 772 | * Each index column description has the following columns: |
---|
| 773 | * <OL> |
---|
| 774 | * <li> <B>TABLE_CAT</B> String => table catalog (may be null) </li> |
---|
| 775 | * <li> <B>TABLE_SCHEM</B> String => table schema (may be null) </li> |
---|
| 776 | * <li> <B>TABLE_NAME</B> String => table name </li> |
---|
| 777 | * <li> <B>NON_UNIQUE</B> boolean => Can index values be non-unique? false |
---|
| 778 | * when TYPE is tableIndexStatistic </li> |
---|
| 779 | * <li> <B>INDEX_QUALIFIER</B> String => index catalog (may be null); null |
---|
| 780 | * when TYPE is tableIndexStatistic </li> |
---|
| 781 | * <li> <B>INDEX_NAME</B> String => index name; null when TYPE is |
---|
| 782 | * tableIndexStatistic </li> |
---|
| 783 | * <li> <B>TYPE</B> short => index type: |
---|
| 784 | * <UL> |
---|
| 785 | * <li> tableIndexStatistic - this identifies table statistics that are |
---|
| 786 | * returned in conjuction with a table's index descriptions </li> |
---|
| 787 | * <li> tableIndexClustered - this is a clustered index </li> |
---|
| 788 | * <li> tableIndexHashed - this is a hashed index </li> |
---|
| 789 | * <li> tableIndexOther - this is some other style of index </li> |
---|
| 790 | * </ul> |
---|
| 791 | * </li> |
---|
| 792 | * <li> <B>ORDINAL_POSITION</B> short => column sequence number within |
---|
| 793 | * index; zero when TYPE is tableIndexStatistic </li> |
---|
| 794 | * <li> <B>COLUMN_NAME</B> String => column name; null when TYPE is |
---|
| 795 | * tableIndexStatistic </li> |
---|
| 796 | * <li> <B>ASC_OR_DESC</B> String => column sort sequence, "A" => |
---|
| 797 | * ascending, "D" => descending, may be null if sort sequence is not |
---|
| 798 | * supported; null when TYPE is tableIndexStatistic </li> |
---|
| 799 | * <li> <B>CARDINALITY</B> int => When TYPE is tableIndexStatisic then this |
---|
| 800 | * is the number of rows in the table; otherwise it is the number of unique |
---|
| 801 | * values in the index. </li> |
---|
| 802 | * <li> <B>PAGES</B> int => When TYPE is tableIndexStatisic then this is |
---|
| 803 | * the number of pages used for the table, otherwise it is the number of |
---|
| 804 | * pages used for the current index. </li> |
---|
| 805 | * <li> <B>FILTER_CONDITION</B> String => Filter condition, if any. (may be |
---|
| 806 | * null) </li> |
---|
| 807 | * </ol> |
---|
| 808 | * </p> |
---|
| 809 | * |
---|
| 810 | * @param catalog |
---|
| 811 | * a catalog name; "" retrieves those without a catalog |
---|
| 812 | * @param schema |
---|
| 813 | * a schema name pattern; "" retrieves those without a schema |
---|
| 814 | * @param table |
---|
| 815 | * a table name |
---|
| 816 | * @param unique |
---|
| 817 | * when true, return only indices for unique values; when false, |
---|
| 818 | * return indices regardless of whether unique or not |
---|
| 819 | * @param approximate |
---|
| 820 | * when true, result is allowed to reflect approximate or out of |
---|
| 821 | * data values; when false, results are requested to be accurate |
---|
| 822 | * @return ResultSet each row is an index column description |
---|
| 823 | * @throws SQLException |
---|
| 824 | * DOCUMENT ME! |
---|
| 825 | */ |
---|
| 826 | public ResultSet getIndexInfo(String catalog, String schema, String table, |
---|
| 827 | boolean unique, boolean approximate) throws SQLException { |
---|
| 828 | StringBuffer sqlBuf = new StringBuffer("SELECT " |
---|
| 829 | + "TABLE_SCHEMA AS TABLE_CAT, " + "NULL AS TABLE_SCHEM," |
---|
| 830 | + "TABLE_NAME," + "NON_UNIQUE," |
---|
| 831 | + "TABLE_SCHEMA AS INDEX_QUALIFIER," + "INDEX_NAME," |
---|
| 832 | + tableIndexOther + " AS TYPE," |
---|
| 833 | + "SEQ_IN_INDEX AS ORDINAL_POSITION," + "COLUMN_NAME," |
---|
| 834 | + "COLLATION AS ASC_OR_DESC," + "CARDINALITY," |
---|
| 835 | + "NULL AS PAGES," + "NULL AS FILTER_CONDITION " |
---|
| 836 | + "FROM INFORMATION_SCHEMA.STATISTICS WHERE " |
---|
| 837 | + "TABLE_SCHEMA LIKE ? AND " + "TABLE_NAME LIKE ?"); |
---|
| 838 | |
---|
| 839 | if (unique) { |
---|
| 840 | sqlBuf.append(" AND NON_UNIQUE=0 "); |
---|
| 841 | } |
---|
| 842 | |
---|
| 843 | sqlBuf.append("ORDER BY NON_UNIQUE, INDEX_NAME, SEQ_IN_INDEX"); |
---|
| 844 | |
---|
| 845 | java.sql.PreparedStatement pStmt = null; |
---|
| 846 | |
---|
| 847 | try { |
---|
| 848 | if (catalog == null) { |
---|
| 849 | if (this.conn.getNullCatalogMeansCurrent()) { |
---|
| 850 | catalog = this.database; |
---|
| 851 | } |
---|
| 852 | } |
---|
| 853 | |
---|
| 854 | pStmt = prepareMetaDataSafeStatement(sqlBuf.toString()); |
---|
| 855 | |
---|
| 856 | if (catalog != null) { |
---|
| 857 | pStmt.setString(1, catalog); |
---|
| 858 | } else { |
---|
| 859 | pStmt.setString(1, "%"); |
---|
| 860 | } |
---|
| 861 | |
---|
| 862 | pStmt.setString(2, table); |
---|
| 863 | |
---|
| 864 | ResultSet rs = executeMetadataQuery(pStmt); |
---|
| 865 | |
---|
| 866 | ((com.mysql.jdbc.ResultSetInternalMethods) rs).redefineFieldsForDBMD(createIndexInfoFields()); |
---|
| 867 | |
---|
| 868 | return rs; |
---|
| 869 | } finally { |
---|
| 870 | if (pStmt != null) { |
---|
| 871 | pStmt.close(); |
---|
| 872 | } |
---|
| 873 | } |
---|
| 874 | } |
---|
| 875 | |
---|
| 876 | /** |
---|
| 877 | * Get a description of a table's primary key columns. They are ordered by |
---|
| 878 | * COLUMN_NAME. |
---|
| 879 | * <P> |
---|
| 880 | * Each column description has the following columns: |
---|
| 881 | * <OL> |
---|
| 882 | * <li> <B>TABLE_CAT</B> String => table catalog (may be null) </li> |
---|
| 883 | * <li> <B>TABLE_SCHEM</B> String => table schema (may be null) </li> |
---|
| 884 | * <li> <B>TABLE_NAME</B> String => table name </li> |
---|
| 885 | * <li> <B>COLUMN_NAME</B> String => column name </li> |
---|
| 886 | * <li> <B>KEY_SEQ</B> short => sequence number within primary key </li> |
---|
| 887 | * <li> <B>PK_NAME</B> String => primary key name (may be null) </li> |
---|
| 888 | * </ol> |
---|
| 889 | * </p> |
---|
| 890 | * |
---|
| 891 | * @param catalog |
---|
| 892 | * a catalog name; "" retrieves those without a catalog |
---|
| 893 | * @param schema |
---|
| 894 | * a schema name pattern; "" retrieves those without a schema |
---|
| 895 | * @param table |
---|
| 896 | * a table name |
---|
| 897 | * @return ResultSet each row is a primary key column description |
---|
| 898 | * @throws SQLException |
---|
| 899 | * DOCUMENT ME! |
---|
| 900 | */ |
---|
| 901 | public java.sql.ResultSet getPrimaryKeys(String catalog, String schema, |
---|
| 902 | String table) throws SQLException { |
---|
| 903 | |
---|
| 904 | if (catalog == null) { |
---|
| 905 | if (this.conn.getNullCatalogMeansCurrent()) { |
---|
| 906 | catalog = this.database; |
---|
| 907 | } |
---|
| 908 | } |
---|
| 909 | |
---|
| 910 | if (table == null) { |
---|
| 911 | throw SQLError.createSQLException("Table not specified.", |
---|
| 912 | SQLError.SQL_STATE_ILLEGAL_ARGUMENT, getExceptionInterceptor()); |
---|
| 913 | } |
---|
| 914 | |
---|
| 915 | String sql = "SELECT TABLE_SCHEMA AS TABLE_CAT, NULL AS TABLE_SCHEM, TABLE_NAME, " |
---|
| 916 | + "COLUMN_NAME, SEQ_IN_INDEX AS KEY_SEQ, 'PRIMARY' AS PK_NAME FROM INFORMATION_SCHEMA.STATISTICS " |
---|
| 917 | + "WHERE TABLE_SCHEMA LIKE ? AND TABLE_NAME LIKE ? AND " |
---|
| 918 | + "INDEX_NAME='PRIMARY' ORDER BY TABLE_SCHEMA, TABLE_NAME, INDEX_NAME, SEQ_IN_INDEX"; |
---|
| 919 | |
---|
| 920 | java.sql.PreparedStatement pStmt = null; |
---|
| 921 | |
---|
| 922 | try { |
---|
| 923 | pStmt = prepareMetaDataSafeStatement(sql); |
---|
| 924 | |
---|
| 925 | if (catalog != null) { |
---|
| 926 | pStmt.setString(1, catalog); |
---|
| 927 | } else { |
---|
| 928 | pStmt.setString(1, "%"); |
---|
| 929 | } |
---|
| 930 | |
---|
| 931 | pStmt.setString(2, table); |
---|
| 932 | |
---|
| 933 | ResultSet rs = executeMetadataQuery(pStmt); |
---|
| 934 | ((com.mysql.jdbc.ResultSetInternalMethods) rs).redefineFieldsForDBMD(new Field[] { |
---|
| 935 | new Field("", "TABLE_CAT", Types.CHAR, 255), |
---|
| 936 | new Field("", "TABLE_SCHEM", Types.CHAR, 0), |
---|
| 937 | new Field("", "TABLE_NAME", Types.CHAR, 255), |
---|
| 938 | new Field("", "COLUMN_NAME", Types.CHAR, 32), |
---|
| 939 | new Field("", "KEY_SEQ", Types.SMALLINT, 5), |
---|
| 940 | new Field("", "PK_NAME", Types.CHAR, 32) }); |
---|
| 941 | |
---|
| 942 | return rs; |
---|
| 943 | } finally { |
---|
| 944 | if (pStmt != null) { |
---|
| 945 | pStmt.close(); |
---|
| 946 | } |
---|
| 947 | } |
---|
| 948 | } |
---|
| 949 | |
---|
| 950 | /** |
---|
| 951 | * Get a description of stored procedures available in a catalog. |
---|
| 952 | * <P> |
---|
| 953 | * Only procedure descriptions matching the schema and procedure name |
---|
| 954 | * criteria are returned. They are ordered by PROCEDURE_SCHEM, and |
---|
| 955 | * PROCEDURE_NAME. |
---|
| 956 | * </p> |
---|
| 957 | * <P> |
---|
| 958 | * Each procedure description has the the following columns: |
---|
| 959 | * <OL> |
---|
| 960 | * <li> <B>PROCEDURE_CAT</B> String => procedure catalog (may be null) |
---|
| 961 | * </li> |
---|
| 962 | * <li> <B>PROCEDURE_SCHEM</B> String => procedure schema (may be null) |
---|
| 963 | * </li> |
---|
| 964 | * <li> <B>PROCEDURE_NAME</B> String => procedure name </li> |
---|
| 965 | * <li> reserved for future use </li> |
---|
| 966 | * <li> reserved for future use </li> |
---|
| 967 | * <li> reserved for future use </li> |
---|
| 968 | * <li> <B>REMARKS</B> String => explanatory comment on the procedure </li> |
---|
| 969 | * <li> <B>PROCEDURE_TYPE</B> short => kind of procedure: |
---|
| 970 | * <UL> |
---|
| 971 | * <li> procedureResultUnknown - May return a result </li> |
---|
| 972 | * <li> procedureNoResult - Does not return a result </li> |
---|
| 973 | * <li> procedureReturnsResult - Returns a result </li> |
---|
| 974 | * </ul> |
---|
| 975 | * </li> |
---|
| 976 | * </ol> |
---|
| 977 | * </p> |
---|
| 978 | * |
---|
| 979 | * @param catalog |
---|
| 980 | * a catalog name; "" retrieves those without a catalog |
---|
| 981 | * @param schemaPattern |
---|
| 982 | * a schema name pattern; "" retrieves those without a schema |
---|
| 983 | * @param procedureNamePattern |
---|
| 984 | * a procedure name pattern |
---|
| 985 | * @return ResultSet each row is a procedure description |
---|
| 986 | * @throws SQLException |
---|
| 987 | * if a database access error occurs |
---|
| 988 | * @see #getSearchStringEscape |
---|
| 989 | */ |
---|
| 990 | public ResultSet getProcedures(String catalog, String schemaPattern, |
---|
| 991 | String procedureNamePattern) throws SQLException { |
---|
| 992 | |
---|
| 993 | if ((procedureNamePattern == null) |
---|
| 994 | || (procedureNamePattern.length() == 0)) { |
---|
| 995 | if (this.conn.getNullNamePatternMatchesAll()) { |
---|
| 996 | procedureNamePattern = "%"; |
---|
| 997 | } else { |
---|
| 998 | throw SQLError.createSQLException( |
---|
| 999 | "Procedure name pattern can not be NULL or empty.", |
---|
| 1000 | SQLError.SQL_STATE_ILLEGAL_ARGUMENT, getExceptionInterceptor()); |
---|
| 1001 | } |
---|
| 1002 | } |
---|
| 1003 | |
---|
| 1004 | String db = null; |
---|
| 1005 | |
---|
| 1006 | if (catalog == null) { |
---|
| 1007 | if (this.conn.getNullCatalogMeansCurrent()) { |
---|
| 1008 | db = this.database; |
---|
| 1009 | } |
---|
| 1010 | } else { |
---|
| 1011 | db = catalog; |
---|
| 1012 | } |
---|
| 1013 | |
---|
| 1014 | String sql = "SELECT ROUTINE_SCHEMA AS PROCEDURE_CAT, " |
---|
| 1015 | + "NULL AS PROCEDURE_SCHEM, " |
---|
| 1016 | + "ROUTINE_NAME AS PROCEDURE_NAME, " + "NULL AS RESERVED_1, " |
---|
| 1017 | + "NULL AS RESERVED_2, " + "NULL AS RESERVED_3, " |
---|
| 1018 | + "ROUTINE_COMMENT AS REMARKS, " |
---|
| 1019 | + "CASE WHEN ROUTINE_TYPE = 'PROCEDURE' THEN " |
---|
| 1020 | + procedureNoResult + " WHEN ROUTINE_TYPE='FUNCTION' THEN " |
---|
| 1021 | + procedureReturnsResult + " ELSE " + procedureResultUnknown |
---|
| 1022 | + " END AS PROCEDURE_TYPE " |
---|
| 1023 | + "FROM INFORMATION_SCHEMA.ROUTINES WHERE " |
---|
| 1024 | + "ROUTINE_SCHEMA LIKE ? AND ROUTINE_NAME LIKE ? " |
---|
| 1025 | + "ORDER BY ROUTINE_SCHEMA, ROUTINE_NAME"; |
---|
| 1026 | |
---|
| 1027 | java.sql.PreparedStatement pStmt = null; |
---|
| 1028 | |
---|
| 1029 | try { |
---|
| 1030 | pStmt = prepareMetaDataSafeStatement(sql); |
---|
| 1031 | |
---|
| 1032 | if (db != null) { |
---|
| 1033 | pStmt.setString(1, db); |
---|
| 1034 | } else { |
---|
| 1035 | pStmt.setString(1, "%"); |
---|
| 1036 | } |
---|
| 1037 | |
---|
| 1038 | pStmt.setString(2, procedureNamePattern); |
---|
| 1039 | |
---|
| 1040 | ResultSet rs = executeMetadataQuery(pStmt); |
---|
| 1041 | ((com.mysql.jdbc.ResultSetInternalMethods) rs).redefineFieldsForDBMD(new Field[] { |
---|
| 1042 | new Field("", "PROCEDURE_CAT", Types.CHAR, 0), |
---|
| 1043 | new Field("", "PROCEDURE_SCHEM", Types.CHAR, 0), |
---|
| 1044 | new Field("", "PROCEDURE_NAME", Types.CHAR, 0), |
---|
| 1045 | new Field("", "reserved1", Types.CHAR, 0), |
---|
| 1046 | new Field("", "reserved2", Types.CHAR, 0), |
---|
| 1047 | new Field("", "reserved3", Types.CHAR, 0), |
---|
| 1048 | new Field("", "REMARKS", Types.CHAR, 0), |
---|
| 1049 | new Field("", "PROCEDURE_TYPE", Types.SMALLINT, 0) }); |
---|
| 1050 | |
---|
| 1051 | return rs; |
---|
| 1052 | } finally { |
---|
| 1053 | if (pStmt != null) { |
---|
| 1054 | pStmt.close(); |
---|
| 1055 | } |
---|
| 1056 | } |
---|
| 1057 | } |
---|
| 1058 | |
---|
| 1059 | /** |
---|
| 1060 | * Retrieves a description of the given catalog's system or user |
---|
| 1061 | * function parameters and return type. |
---|
| 1062 | * |
---|
| 1063 | * <P>Only descriptions matching the schema, function and |
---|
| 1064 | * parameter name criteria are returned. They are ordered by |
---|
| 1065 | * <code>FUNCTION_CAT</code>, <code>FUNCTION_SCHEM</code>, |
---|
| 1066 | * <code>FUNCTION_NAME</code> and |
---|
| 1067 | * <code>SPECIFIC_ NAME</code>. Within this, the return value, |
---|
| 1068 | * if any, is first. Next are the parameter descriptions in call |
---|
| 1069 | * order. The column descriptions follow in column number order. |
---|
| 1070 | * |
---|
| 1071 | * <P>Each row in the <code>ResultSet</code> |
---|
| 1072 | * is a parameter description, column description or |
---|
| 1073 | * return type description with the following fields: |
---|
| 1074 | * <OL> |
---|
| 1075 | * <LI><B>FUNCTION_CAT</B> String => function catalog (may be <code>null</code>) |
---|
| 1076 | * <LI><B>FUNCTION_SCHEM</B> String => function schema (may be <code>null</code>) |
---|
| 1077 | * <LI><B>FUNCTION_NAME</B> String => function name. This is the name |
---|
| 1078 | * used to invoke the function |
---|
| 1079 | * <LI><B>COLUMN_NAME</B> String => column/parameter name |
---|
| 1080 | * <LI><B>COLUMN_TYPE</B> Short => kind of column/parameter: |
---|
| 1081 | * <UL> |
---|
| 1082 | * <LI> functionColumnUnknown - nobody knows |
---|
| 1083 | * <LI> functionColumnIn - IN parameter |
---|
| 1084 | * <LI> functionColumnInOut - INOUT parameter |
---|
| 1085 | * <LI> functionColumnOut - OUT parameter |
---|
| 1086 | * <LI> functionColumnReturn - function return value |
---|
| 1087 | * <LI> functionColumnResult - Indicates that the parameter or column |
---|
| 1088 | * is a column in the <code>ResultSet</code> |
---|
| 1089 | * </UL> |
---|
| 1090 | * <LI><B>DATA_TYPE</B> int => SQL type from java.sql.Types |
---|
| 1091 | * <LI><B>TYPE_NAME</B> String => SQL type name, for a UDT type the |
---|
| 1092 | * type name is fully qualified |
---|
| 1093 | * <LI><B>PRECISION</B> int => precision |
---|
| 1094 | * <LI><B>LENGTH</B> int => length in bytes of data |
---|
| 1095 | * <LI><B>SCALE</B> short => scale - null is returned for data types where |
---|
| 1096 | * SCALE is not applicable. |
---|
| 1097 | * <LI><B>RADIX</B> short => radix |
---|
| 1098 | * <LI><B>NULLABLE</B> short => can it contain NULL. |
---|
| 1099 | * <UL> |
---|
| 1100 | * <LI> functionNoNulls - does not allow NULL values |
---|
| 1101 | * <LI> functionNullable - allows NULL values |
---|
| 1102 | * <LI> functionNullableUnknown - nullability unknown |
---|
| 1103 | * </UL> |
---|
| 1104 | * <LI><B>REMARKS</B> String => comment describing column/parameter |
---|
| 1105 | * <LI><B>CHAR_OCTET_LENGTH</B> int => the maximum length of binary |
---|
| 1106 | * and character based parameters or columns. For any other datatype the returned value |
---|
| 1107 | * is a NULL |
---|
| 1108 | * <LI><B>ORDINAL_POSITION</B> int => the ordinal position, starting |
---|
| 1109 | * from 1, for the input and output parameters. A value of 0 |
---|
| 1110 | * is returned if this row describes the function's return value. |
---|
| 1111 | * For result set columns, it is the |
---|
| 1112 | * ordinal position of the column in the result set starting from 1. |
---|
| 1113 | * <LI><B>IS_NULLABLE</B> String => ISO rules are used to determine |
---|
| 1114 | * the nullability for a parameter or column. |
---|
| 1115 | * <UL> |
---|
| 1116 | * <LI> YES --- if the parameter or column can include NULLs |
---|
| 1117 | * <LI> NO --- if the parameter or column cannot include NULLs |
---|
| 1118 | * <LI> empty string --- if the nullability for the |
---|
| 1119 | * parameter or column is unknown |
---|
| 1120 | * </UL> |
---|
| 1121 | * <LI><B>SPECIFIC_NAME</B> String => the name which uniquely identifies |
---|
| 1122 | * this function within its schema. This is a user specified, or DBMS |
---|
| 1123 | * generated, name that may be different then the <code>FUNCTION_NAME</code> |
---|
| 1124 | * for example with overload functions |
---|
| 1125 | * </OL> |
---|
| 1126 | * |
---|
| 1127 | * <p>The PRECISION column represents the specified column size for the given |
---|
| 1128 | * parameter or column. |
---|
| 1129 | * For numeric data, this is the maximum precision. For character data, this is the length in characters. |
---|
| 1130 | * For datetime datatypes, this is the length in characters of the String representation (assuming the |
---|
| 1131 | * maximum allowed precision of the fractional seconds component). For binary data, this is the length in bytes. For the ROWID datatype, |
---|
| 1132 | * this is the length in bytes. Null is returned for data types where the |
---|
| 1133 | * column size is not applicable. |
---|
| 1134 | * @param catalog a catalog name; must match the catalog name as it |
---|
| 1135 | * is stored in the database; "" retrieves those without a catalog; |
---|
| 1136 | * <code>null</code> means that the catalog name should not be used to narrow |
---|
| 1137 | * the search |
---|
| 1138 | * @param schemaPattern a schema name pattern; must match the schema name |
---|
| 1139 | * as it is stored in the database; "" retrieves those without a schema; |
---|
| 1140 | * <code>null</code> means that the schema name should not be used to narrow |
---|
| 1141 | * the search |
---|
| 1142 | * @param functionNamePattern a procedure name pattern; must match the |
---|
| 1143 | * function name as it is stored in the database |
---|
| 1144 | * @param columnNamePattern a parameter name pattern; must match the |
---|
| 1145 | * parameter or column name as it is stored in the database |
---|
| 1146 | * @return <code>ResultSet</code> - each row describes a |
---|
| 1147 | * user function parameter, column or return type |
---|
| 1148 | * |
---|
| 1149 | * @exception SQLException if a database access error occurs |
---|
| 1150 | * @see #getSearchStringEscape |
---|
| 1151 | * @since 1.6 |
---|
| 1152 | */ |
---|
| 1153 | public ResultSet getFunctionColumns(String catalog, |
---|
| 1154 | String schemaPattern, |
---|
| 1155 | String functionNamePattern, |
---|
| 1156 | String columnNamePattern) throws SQLException { |
---|
| 1157 | if (!this.conn.versionMeetsMinimum(5, 4, 0)) { |
---|
| 1158 | return super.getFunctionColumns(catalog, schemaPattern, functionNamePattern, |
---|
| 1159 | columnNamePattern); |
---|
| 1160 | } |
---|
| 1161 | |
---|
| 1162 | if (!this.hasParametersView) { |
---|
| 1163 | return super.getFunctionColumns(catalog, schemaPattern, functionNamePattern, columnNamePattern); |
---|
| 1164 | } |
---|
| 1165 | |
---|
| 1166 | if ((functionNamePattern == null) |
---|
| 1167 | || (functionNamePattern.length() == 0)) { |
---|
| 1168 | if (this.conn.getNullNamePatternMatchesAll()) { |
---|
| 1169 | functionNamePattern = "%"; |
---|
| 1170 | } else { |
---|
| 1171 | throw SQLError.createSQLException( |
---|
| 1172 | "Procedure name pattern can not be NULL or empty.", |
---|
| 1173 | SQLError.SQL_STATE_ILLEGAL_ARGUMENT, getExceptionInterceptor()); |
---|
| 1174 | } |
---|
| 1175 | } |
---|
| 1176 | |
---|
| 1177 | String db = null; |
---|
| 1178 | |
---|
| 1179 | if (catalog == null) { |
---|
| 1180 | if (this.conn.getNullCatalogMeansCurrent()) { |
---|
| 1181 | db = this.database; |
---|
| 1182 | } |
---|
| 1183 | } else { |
---|
| 1184 | db = catalog; |
---|
| 1185 | } |
---|
| 1186 | |
---|
| 1187 | |
---|
| 1188 | // FIXME: Use DBMD constants when we leave Java5 |
---|
| 1189 | // FUNCTION_CAT |
---|
| 1190 | // FUNCTION_SCHEM |
---|
| 1191 | // FUNCTION_NAME |
---|
| 1192 | // COLUMN_NAME |
---|
| 1193 | // COLUMN_TYPE |
---|
| 1194 | StringBuffer sqlBuf = new StringBuffer("SELECT SPECIFIC_SCHEMA AS FUNCTION_CAT, " |
---|
| 1195 | + "NULL AS `FUNCTION_SCHEM`, " |
---|
| 1196 | + "SPECIFIC_NAME AS `FUNCTION_NAME`, " |
---|
| 1197 | + "PARAMETER_NAME AS `COLUMN_NAME`, " |
---|
| 1198 | + "CASE WHEN PARAMETER_MODE = 'IN' THEN " |
---|
| 1199 | + 1 /* functionColumnIn */ + " WHEN PARAMETER_MODE='OUT' THEN " + 3 /* functionColumnOut */ |
---|
| 1200 | + " WHEN PARAMETER_MODE='INOUT' THEN " + 2 /* functionColumnInOut */ |
---|
| 1201 | + " WHEN ORDINAL_POSITION=0 THEN " + 4 /* functionReturn */ |
---|
| 1202 | + " ELSE " + 0 /* functionColumnUnknown */ |
---|
| 1203 | + " END AS `COLUMN_TYPE`, "); |
---|
| 1204 | |
---|
| 1205 | //DATA_TYPE |
---|
| 1206 | MysqlDefs.appendJdbcTypeMappingQuery(sqlBuf, "DATA_TYPE"); |
---|
| 1207 | |
---|
| 1208 | sqlBuf.append(" AS `DATA_TYPE`, "); |
---|
| 1209 | |
---|
| 1210 | // TYPE_NAME |
---|
| 1211 | if (conn.getCapitalizeTypeNames()) { |
---|
| 1212 | sqlBuf.append("UPPER(CASE WHEN LOCATE('unsigned', DATA_TYPE) != 0 AND LOCATE('unsigned', DATA_TYPE) = 0 THEN CONCAT(DATA_TYPE, ' unsigned') ELSE DATA_TYPE END) AS `TYPE_NAME`,"); |
---|
| 1213 | } else { |
---|
| 1214 | sqlBuf.append("CASE WHEN LOCATE('unsigned', DATA_TYPE) != 0 AND LOCATE('unsigned', DATA_TYPE) = 0 THEN CONCAT(DATA_TYPE, ' unsigned') ELSE DATA_TYPE END AS `TYPE_NAME`,"); |
---|
| 1215 | } |
---|
| 1216 | |
---|
| 1217 | // PRECISION</B> int => precision |
---|
| 1218 | sqlBuf.append("NUMERIC_PRECISION AS `PRECISION`, "); |
---|
| 1219 | // LENGTH</B> int => length in bytes of data |
---|
| 1220 | sqlBuf |
---|
| 1221 | .append("CASE WHEN LCASE(DATA_TYPE)='date' THEN 10 WHEN LCASE(DATA_TYPE)='time' THEN 8 WHEN LCASE(DATA_TYPE)='datetime' THEN 19 WHEN LCASE(DATA_TYPE)='timestamp' THEN 19 WHEN CHARACTER_MAXIMUM_LENGTH IS NULL THEN NUMERIC_PRECISION WHEN CHARACTER_MAXIMUM_LENGTH > " |
---|
| 1222 | + Integer.MAX_VALUE + " THEN " + Integer.MAX_VALUE + " ELSE CHARACTER_MAXIMUM_LENGTH END AS LENGTH, "); |
---|
| 1223 | |
---|
| 1224 | // SCALE</B> short => scale |
---|
| 1225 | sqlBuf.append("NUMERIC_SCALE AS `SCALE`, "); |
---|
| 1226 | // RADIX</B> short => radix |
---|
| 1227 | sqlBuf.append("10 AS RADIX,"); |
---|
| 1228 | // NULLABLE |
---|
| 1229 | // REMARKS |
---|
| 1230 | // CHAR_OCTET_LENGTH * |
---|
| 1231 | // ORDINAL_POSITION * |
---|
| 1232 | // IS_NULLABLE * |
---|
| 1233 | // SPECIFIC_NAME * |
---|
| 1234 | sqlBuf.append(2 /* functionNullableUnknown */ + " AS `NULLABLE`, " |
---|
| 1235 | + " NULL AS `REMARKS`, " |
---|
| 1236 | + "CHARACTER_OCTET_LENGTH AS `CHAR_OCTET_LENGTH`, " |
---|
| 1237 | + " ORDINAL_POSITION, " |
---|
| 1238 | + "'' AS `IS_NULLABLE`, " |
---|
| 1239 | + "SPECIFIC_NAME " |
---|
| 1240 | + "FROM INFORMATION_SCHEMA.PARAMETERS WHERE " |
---|
| 1241 | + "SPECIFIC_SCHEMA LIKE ? AND SPECIFIC_NAME LIKE ? AND (PARAMETER_NAME LIKE ? OR PARAMETER_NAME IS NULL) " |
---|
| 1242 | + "AND ROUTINE_TYPE='FUNCTION' ORDER BY SPECIFIC_SCHEMA, SPECIFIC_NAME, ORDINAL_POSITION"); |
---|
| 1243 | |
---|
| 1244 | java.sql.PreparedStatement pStmt = null; |
---|
| 1245 | |
---|
| 1246 | try { |
---|
| 1247 | pStmt = prepareMetaDataSafeStatement(sqlBuf.toString()); |
---|
| 1248 | |
---|
| 1249 | if (db != null) { |
---|
| 1250 | pStmt.setString(1, db); |
---|
| 1251 | } else { |
---|
| 1252 | pStmt.setString(1, "%"); |
---|
| 1253 | } |
---|
| 1254 | |
---|
| 1255 | pStmt.setString(2, functionNamePattern); |
---|
| 1256 | pStmt.setString(3, columnNamePattern); |
---|
| 1257 | |
---|
| 1258 | ResultSet rs = executeMetadataQuery(pStmt); |
---|
| 1259 | ((com.mysql.jdbc.ResultSetInternalMethods) rs).redefineFieldsForDBMD(createFunctionColumnsFields()); |
---|
| 1260 | |
---|
| 1261 | return rs; |
---|
| 1262 | } finally { |
---|
| 1263 | if (pStmt != null) { |
---|
| 1264 | pStmt.close(); |
---|
| 1265 | } |
---|
| 1266 | } |
---|
| 1267 | } |
---|
| 1268 | |
---|
| 1269 | /** |
---|
| 1270 | * Retrieves a description of the given catalog's stored procedure parameter |
---|
| 1271 | * and result columns. |
---|
| 1272 | * |
---|
| 1273 | * <P>Only descriptions matching the schema, procedure and |
---|
| 1274 | * parameter name criteria are returned. They are ordered by |
---|
| 1275 | * PROCEDURE_SCHEM and PROCEDURE_NAME. Within this, the return value, |
---|
| 1276 | * if any, is first. Next are the parameter descriptions in call |
---|
| 1277 | * order. The column descriptions follow in column number order. |
---|
| 1278 | * |
---|
| 1279 | * <P>Each row in the <code>ResultSet</code> is a parameter description or |
---|
| 1280 | * column description with the following fields: |
---|
| 1281 | * <OL> |
---|
| 1282 | * <LI><B>PROCEDURE_CAT</B> String => procedure catalog (may be <code>null</code>) |
---|
| 1283 | * <LI><B>PROCEDURE_SCHEM</B> String => procedure schema (may be <code>null</code>) |
---|
| 1284 | * <LI><B>PROCEDURE_NAME</B> String => procedure name |
---|
| 1285 | * <LI><B>COLUMN_NAME</B> String => column/parameter name |
---|
| 1286 | * <LI><B>COLUMN_TYPE</B> Short => kind of column/parameter: |
---|
| 1287 | * <UL> |
---|
| 1288 | * <LI> procedureColumnUnknown - nobody knows |
---|
| 1289 | * <LI> procedureColumnIn - IN parameter |
---|
| 1290 | * <LI> procedureColumnInOut - INOUT parameter |
---|
| 1291 | * <LI> procedureColumnOut - OUT parameter |
---|
| 1292 | * <LI> procedureColumnReturn - procedure return value |
---|
| 1293 | * <LI> procedureColumnResult - result column in <code>ResultSet</code> |
---|
| 1294 | * </UL> |
---|
| 1295 | * <LI><B>DATA_TYPE</B> int => SQL type from java.sql.Types |
---|
| 1296 | * <LI><B>TYPE_NAME</B> String => SQL type name, for a UDT type the |
---|
| 1297 | * type name is fully qualified |
---|
| 1298 | * <LI><B>PRECISION</B> int => precision |
---|
| 1299 | * <LI><B>LENGTH</B> int => length in bytes of data |
---|
| 1300 | * <LI><B>SCALE</B> short => scale |
---|
| 1301 | * <LI><B>RADIX</B> short => radix |
---|
| 1302 | * <LI><B>NULLABLE</B> short => can it contain NULL. |
---|
| 1303 | * <UL> |
---|
| 1304 | * <LI> procedureNoNulls - does not allow NULL values |
---|
| 1305 | * <LI> procedureNullable - allows NULL values |
---|
| 1306 | * <LI> procedureNullableUnknown - nullability unknown |
---|
| 1307 | * </UL> |
---|
| 1308 | * <LI><B>REMARKS</B> String => comment describing parameter/column |
---|
| 1309 | * </OL> |
---|
| 1310 | * |
---|
| 1311 | * <P><B>Note:</B> Some databases may not return the column |
---|
| 1312 | * descriptions for a procedure. Additional columns beyond |
---|
| 1313 | * REMARKS can be defined by the database. |
---|
| 1314 | * |
---|
| 1315 | * @param catalog a catalog name; must match the catalog name as it |
---|
| 1316 | * is stored in the database; "" retrieves those without a catalog; |
---|
| 1317 | * <code>null</code> means that the catalog name should not be used to narrow |
---|
| 1318 | * the search |
---|
| 1319 | * @param schemaPattern a schema name pattern; must match the schema name |
---|
| 1320 | * as it is stored in the database; "" retrieves those without a schema; |
---|
| 1321 | * <code>null</code> means that the schema name should not be used to narrow |
---|
| 1322 | * the search |
---|
| 1323 | * @param procedureNamePattern a procedure name pattern; must match the |
---|
| 1324 | * procedure name as it is stored in the database |
---|
| 1325 | * @param columnNamePattern a column name pattern; must match the column name |
---|
| 1326 | * as it is stored in the database |
---|
| 1327 | * @return <code>ResultSet</code> - each row describes a stored procedure parameter or |
---|
| 1328 | * column |
---|
| 1329 | * @exception SQLException if a database access error occurs |
---|
| 1330 | * @see #getSearchStringEscape |
---|
| 1331 | */ |
---|
| 1332 | public ResultSet getProcedureColumns(String catalog, String schemaPattern, |
---|
| 1333 | String procedureNamePattern, String columnNamePattern) |
---|
| 1334 | throws SQLException { |
---|
| 1335 | if (!this.conn.versionMeetsMinimum(5, 4, 0)) { |
---|
| 1336 | return super.getProcedureColumns(catalog, schemaPattern, procedureNamePattern, |
---|
| 1337 | columnNamePattern); |
---|
| 1338 | } |
---|
| 1339 | |
---|
| 1340 | if (!this.hasParametersView) { |
---|
| 1341 | return super.getProcedureColumns(catalog, schemaPattern, procedureNamePattern, columnNamePattern); |
---|
| 1342 | } |
---|
| 1343 | |
---|
| 1344 | if ((procedureNamePattern == null) |
---|
| 1345 | || (procedureNamePattern.length() == 0)) { |
---|
| 1346 | if (this.conn.getNullNamePatternMatchesAll()) { |
---|
| 1347 | procedureNamePattern = "%"; |
---|
| 1348 | } else { |
---|
| 1349 | throw SQLError.createSQLException( |
---|
| 1350 | "Procedure name pattern can not be NULL or empty.", |
---|
| 1351 | SQLError.SQL_STATE_ILLEGAL_ARGUMENT, getExceptionInterceptor()); |
---|
| 1352 | } |
---|
| 1353 | } |
---|
| 1354 | |
---|
| 1355 | String db = null; |
---|
| 1356 | |
---|
| 1357 | if (catalog == null) { |
---|
| 1358 | if (this.conn.getNullCatalogMeansCurrent()) { |
---|
| 1359 | db = this.database; |
---|
| 1360 | } |
---|
| 1361 | } else { |
---|
| 1362 | db = catalog; |
---|
| 1363 | } |
---|
| 1364 | |
---|
| 1365 | // Here's what we get from MySQL ... |
---|
| 1366 | // SPECIFIC_CATALOG NULL |
---|
| 1367 | // SPECIFIC_SCHEMA db17 |
---|
| 1368 | // SPECIFIC_NAME p |
---|
| 1369 | // ORDINAL_POSITION 1 |
---|
| 1370 | // PARAMETER_MODE OUT |
---|
| 1371 | // PARAMETER_NAME a |
---|
| 1372 | // DATA_TYPE int |
---|
| 1373 | // CHARACTER_MAXIMUM_LENGTH NULL |
---|
| 1374 | // CHARACTER_OCTET_LENGTH NULL |
---|
| 1375 | // CHARACTER_SET_NAME NULL |
---|
| 1376 | // COLLATION_NAME NULL |
---|
| 1377 | // NUMERIC_PRECISION 10 |
---|
| 1378 | // NUMERIC_SCALE 0 |
---|
| 1379 | // DTD_IDENTIFIER int(11) |
---|
| 1380 | |
---|
| 1381 | StringBuffer sqlBuf = new StringBuffer("SELECT SPECIFIC_SCHEMA AS PROCEDURE_CAT, " |
---|
| 1382 | + "NULL AS `PROCEDURE_SCHEM`, " |
---|
| 1383 | + "SPECIFIC_NAME AS `PROCEDURE_NAME`, " |
---|
| 1384 | + "PARAMETER_NAME AS `COLUMN_NAME`, " |
---|
| 1385 | + "CASE WHEN PARAMETER_MODE = 'IN' THEN " |
---|
| 1386 | + procedureColumnIn + " WHEN PARAMETER_MODE='OUT' THEN " + procedureColumnOut |
---|
| 1387 | + " WHEN PARAMETER_MODE='INOUT' THEN " + procedureColumnInOut |
---|
| 1388 | + " WHEN ORDINAL_POSITION=0 THEN " + procedureColumnReturn |
---|
| 1389 | + " ELSE " + procedureColumnUnknown |
---|
| 1390 | + " END AS `COLUMN_TYPE`, "); |
---|
| 1391 | |
---|
| 1392 | //DATA_TYPE |
---|
| 1393 | MysqlDefs.appendJdbcTypeMappingQuery(sqlBuf, "DATA_TYPE"); |
---|
| 1394 | |
---|
| 1395 | sqlBuf.append(" AS `DATA_TYPE`, "); |
---|
| 1396 | |
---|
| 1397 | // TYPE_NAME |
---|
| 1398 | if (conn.getCapitalizeTypeNames()) { |
---|
| 1399 | sqlBuf.append("UPPER(CASE WHEN LOCATE('unsigned', DATA_TYPE) != 0 AND LOCATE('unsigned', DATA_TYPE) = 0 THEN CONCAT(DATA_TYPE, ' unsigned') ELSE DATA_TYPE END) AS `TYPE_NAME`,"); |
---|
| 1400 | } else { |
---|
| 1401 | sqlBuf.append("CASE WHEN LOCATE('unsigned', DATA_TYPE) != 0 AND LOCATE('unsigned', DATA_TYPE) = 0 THEN CONCAT(DATA_TYPE, ' unsigned') ELSE DATA_TYPE END AS `TYPE_NAME`,"); |
---|
| 1402 | } |
---|
| 1403 | |
---|
| 1404 | // PRECISION</B> int => precision |
---|
| 1405 | sqlBuf.append("NUMERIC_PRECISION AS `PRECISION`, "); |
---|
| 1406 | // LENGTH</B> int => length in bytes of data |
---|
| 1407 | sqlBuf |
---|
| 1408 | .append("CASE WHEN LCASE(DATA_TYPE)='date' THEN 10 WHEN LCASE(DATA_TYPE)='time' THEN 8 WHEN LCASE(DATA_TYPE)='datetime' THEN 19 WHEN LCASE(DATA_TYPE)='timestamp' THEN 19 WHEN CHARACTER_MAXIMUM_LENGTH IS NULL THEN NUMERIC_PRECISION WHEN CHARACTER_MAXIMUM_LENGTH > " |
---|
| 1409 | + Integer.MAX_VALUE + " THEN " + Integer.MAX_VALUE + " ELSE CHARACTER_MAXIMUM_LENGTH END AS LENGTH, "); |
---|
| 1410 | |
---|
| 1411 | // SCALE</B> short => scale |
---|
| 1412 | sqlBuf.append("NUMERIC_SCALE AS `SCALE`, "); |
---|
| 1413 | // RADIX</B> short => radix |
---|
| 1414 | sqlBuf.append("10 AS RADIX,"); |
---|
| 1415 | sqlBuf.append(procedureNullableUnknown + " AS `NULLABLE`, " |
---|
| 1416 | + " NULL AS `REMARKS` " |
---|
| 1417 | + "FROM INFORMATION_SCHEMA.PARAMETERS WHERE " |
---|
| 1418 | + "SPECIFIC_SCHEMA LIKE ? AND SPECIFIC_NAME LIKE ? AND (PARAMETER_NAME LIKE ? OR PARAMETER_NAME IS NULL) " |
---|
| 1419 | + "ORDER BY SPECIFIC_SCHEMA, SPECIFIC_NAME, ORDINAL_POSITION"); |
---|
| 1420 | |
---|
| 1421 | java.sql.PreparedStatement pStmt = null; |
---|
| 1422 | |
---|
| 1423 | try { |
---|
| 1424 | pStmt = prepareMetaDataSafeStatement(sqlBuf.toString()); |
---|
| 1425 | |
---|
| 1426 | if (db != null) { |
---|
| 1427 | pStmt.setString(1, db); |
---|
| 1428 | } else { |
---|
| 1429 | pStmt.setString(1, "%"); |
---|
| 1430 | } |
---|
| 1431 | |
---|
| 1432 | pStmt.setString(2, procedureNamePattern); |
---|
| 1433 | pStmt.setString(3, columnNamePattern); |
---|
| 1434 | |
---|
| 1435 | ResultSet rs = executeMetadataQuery(pStmt); |
---|
| 1436 | ((com.mysql.jdbc.ResultSetInternalMethods) rs).redefineFieldsForDBMD(createProcedureColumnsFields()); |
---|
| 1437 | |
---|
| 1438 | return rs; |
---|
| 1439 | } finally { |
---|
| 1440 | if (pStmt != null) { |
---|
| 1441 | pStmt.close(); |
---|
| 1442 | } |
---|
| 1443 | } |
---|
| 1444 | } |
---|
| 1445 | |
---|
| 1446 | /** |
---|
| 1447 | * Get a description of tables available in a catalog. |
---|
| 1448 | * <P> |
---|
| 1449 | * Only table descriptions matching the catalog, schema, table name and type |
---|
| 1450 | * criteria are returned. They are ordered by TABLE_TYPE, TABLE_SCHEM and |
---|
| 1451 | * TABLE_NAME. |
---|
| 1452 | * </p> |
---|
| 1453 | * <P> |
---|
| 1454 | * Each table description has the following columns: |
---|
| 1455 | * <OL> |
---|
| 1456 | * <li> <B>TABLE_CAT</B> String => table catalog (may be null) </li> |
---|
| 1457 | * <li> <B>TABLE_SCHEM</B> String => table schema (may be null) </li> |
---|
| 1458 | * <li> <B>TABLE_NAME</B> String => table name </li> |
---|
| 1459 | * <li> <B>TABLE_TYPE</B> String => table type. Typical types are "TABLE", |
---|
| 1460 | * "VIEW", "SYSTEM TABLE", "GLOBAL TEMPORARY", "LOCAL TEMPORARY", "ALIAS", |
---|
| 1461 | * "SYNONYM". </li> |
---|
| 1462 | * <li> <B>REMARKS</B> String => explanatory comment on the table </li> |
---|
| 1463 | * </ol> |
---|
| 1464 | * </p> |
---|
| 1465 | * <P> |
---|
| 1466 | * <B>Note:</B> Some databases may not return information for all tables. |
---|
| 1467 | * </p> |
---|
| 1468 | * |
---|
| 1469 | * @param catalog |
---|
| 1470 | * a catalog name; "" retrieves those without a catalog |
---|
| 1471 | * @param schemaPattern |
---|
| 1472 | * a schema name pattern; "" retrieves those without a schema |
---|
| 1473 | * @param tableNamePattern |
---|
| 1474 | * a table name pattern |
---|
| 1475 | * @param types |
---|
| 1476 | * a list of table types to include; null returns all types |
---|
| 1477 | * @return ResultSet each row is a table description |
---|
| 1478 | * @throws SQLException |
---|
| 1479 | * DOCUMENT ME! |
---|
| 1480 | * @see #getSearchStringEscape |
---|
| 1481 | */ |
---|
| 1482 | public ResultSet getTables(String catalog, String schemaPattern, |
---|
| 1483 | String tableNamePattern, String[] types) throws SQLException { |
---|
| 1484 | if (catalog == null) { |
---|
| 1485 | if (this.conn.getNullCatalogMeansCurrent()) { |
---|
| 1486 | catalog = this.database; |
---|
| 1487 | } |
---|
| 1488 | } |
---|
| 1489 | |
---|
| 1490 | if (tableNamePattern == null) { |
---|
| 1491 | if (this.conn.getNullNamePatternMatchesAll()) { |
---|
| 1492 | tableNamePattern = "%"; |
---|
| 1493 | } else { |
---|
| 1494 | throw SQLError.createSQLException( |
---|
| 1495 | "Table name pattern can not be NULL or empty.", |
---|
| 1496 | SQLError.SQL_STATE_ILLEGAL_ARGUMENT, getExceptionInterceptor()); |
---|
| 1497 | } |
---|
| 1498 | } |
---|
| 1499 | |
---|
| 1500 | final String tableNamePat; |
---|
| 1501 | String tmpCat = ""; |
---|
| 1502 | |
---|
| 1503 | if ((catalog == null) || (catalog.length() == 0)) { |
---|
| 1504 | if (this.conn.getNullCatalogMeansCurrent()) { |
---|
| 1505 | tmpCat = this.database; |
---|
| 1506 | } |
---|
| 1507 | } else { |
---|
| 1508 | tmpCat = catalog; |
---|
| 1509 | } |
---|
| 1510 | |
---|
| 1511 | List<String> parseList = StringUtils.splitDBdotName(tableNamePattern, tmpCat, |
---|
| 1512 | quotedId , conn.isNoBackslashEscapesSet()); |
---|
| 1513 | //There *should* be 2 rows, if any. |
---|
| 1514 | if (parseList.size() == 2) { |
---|
| 1515 | tableNamePat = parseList.get(1); |
---|
| 1516 | } else { |
---|
| 1517 | tableNamePat = tableNamePattern; |
---|
| 1518 | } |
---|
| 1519 | |
---|
| 1520 | java.sql.PreparedStatement pStmt = null; |
---|
| 1521 | |
---|
| 1522 | String sql = "SELECT TABLE_SCHEMA AS TABLE_CAT, " |
---|
| 1523 | + "NULL AS TABLE_SCHEM, TABLE_NAME, " |
---|
| 1524 | + "CASE WHEN TABLE_TYPE='BASE TABLE' THEN 'TABLE' WHEN TABLE_TYPE='TEMPORARY' THEN 'LOCAL_TEMPORARY' ELSE TABLE_TYPE END AS TABLE_TYPE, " |
---|
| 1525 | + "TABLE_COMMENT AS REMARKS " |
---|
| 1526 | + "FROM INFORMATION_SCHEMA.TABLES WHERE "; |
---|
| 1527 | |
---|
| 1528 | final boolean operatingOnInformationSchema = "information_schema".equalsIgnoreCase(catalog); |
---|
| 1529 | if (catalog != null) { |
---|
| 1530 | if ((operatingOnInformationSchema) || ((StringUtils.indexOfIgnoreCase(0, catalog, "%") == -1) |
---|
| 1531 | && (StringUtils.indexOfIgnoreCase(0, catalog, "_") == -1))) { |
---|
| 1532 | sql = sql + "TABLE_SCHEMA = ? AND "; |
---|
| 1533 | } else { |
---|
| 1534 | sql = sql + "TABLE_SCHEMA LIKE ? AND "; |
---|
| 1535 | } |
---|
| 1536 | |
---|
| 1537 | } else { |
---|
| 1538 | sql = sql + "TABLE_SCHEMA LIKE ? AND "; |
---|
| 1539 | } |
---|
| 1540 | |
---|
| 1541 | if (tableNamePat != null) { |
---|
| 1542 | if ((StringUtils.indexOfIgnoreCase(0, tableNamePat, "%") == -1) |
---|
| 1543 | && (StringUtils.indexOfIgnoreCase(0, tableNamePat, "_") == -1)) { |
---|
| 1544 | sql = sql + "TABLE_NAME = ? AND "; |
---|
| 1545 | } else { |
---|
| 1546 | sql = sql + "TABLE_NAME LIKE ? AND "; |
---|
| 1547 | } |
---|
| 1548 | |
---|
| 1549 | } else { |
---|
| 1550 | sql = sql + "TABLE_NAME LIKE ? AND "; |
---|
| 1551 | } |
---|
| 1552 | sql = sql + "TABLE_TYPE IN (?,?,?) "; |
---|
| 1553 | sql = sql + "ORDER BY TABLE_TYPE, TABLE_SCHEMA, TABLE_NAME"; |
---|
| 1554 | try { |
---|
| 1555 | pStmt = prepareMetaDataSafeStatement(sql); |
---|
| 1556 | |
---|
| 1557 | if (catalog != null) { |
---|
| 1558 | pStmt.setString(1, catalog); |
---|
| 1559 | } else { |
---|
| 1560 | pStmt.setString(1, "%"); |
---|
| 1561 | } |
---|
| 1562 | |
---|
| 1563 | pStmt.setString(2, tableNamePat); |
---|
| 1564 | |
---|
| 1565 | // This overloading of IN (...) allows us to cache this |
---|
| 1566 | // prepared statement |
---|
| 1567 | if (types == null || types.length == 0) { |
---|
| 1568 | pStmt.setString(3, "BASE TABLE"); |
---|
| 1569 | pStmt.setString(4, "VIEW"); |
---|
| 1570 | pStmt.setString(5, "TEMPORARY"); |
---|
| 1571 | } else { |
---|
| 1572 | pStmt.setNull(3, Types.VARCHAR); |
---|
| 1573 | pStmt.setNull(4, Types.VARCHAR); |
---|
| 1574 | pStmt.setNull(5, Types.VARCHAR); |
---|
| 1575 | |
---|
| 1576 | for (int i = 0; i < types.length; i++) { |
---|
| 1577 | if ("TABLE".equalsIgnoreCase(types[i])) { |
---|
| 1578 | pStmt.setString(3, "BASE TABLE"); |
---|
| 1579 | } |
---|
| 1580 | |
---|
| 1581 | if ("VIEW".equalsIgnoreCase(types[i])) { |
---|
| 1582 | pStmt.setString(4, "VIEW"); |
---|
| 1583 | } |
---|
| 1584 | |
---|
| 1585 | if ("LOCAL TEMPORARY".equalsIgnoreCase(types[i])) { |
---|
| 1586 | pStmt.setString(5, "TEMPORARY"); |
---|
| 1587 | } |
---|
| 1588 | } |
---|
| 1589 | } |
---|
| 1590 | |
---|
| 1591 | ResultSet rs = executeMetadataQuery(pStmt); |
---|
| 1592 | |
---|
| 1593 | ((com.mysql.jdbc.ResultSetInternalMethods) rs).redefineFieldsForDBMD(new Field[] { |
---|
| 1594 | new Field("", "TABLE_CAT", java.sql.Types.VARCHAR, |
---|
| 1595 | (catalog == null) ? 0 : catalog.length()), |
---|
| 1596 | new Field("", "TABLE_SCHEM", java.sql.Types.VARCHAR, 0), |
---|
| 1597 | new Field("", "TABLE_NAME", java.sql.Types.VARCHAR, 255), |
---|
| 1598 | new Field("", "TABLE_TYPE", java.sql.Types.VARCHAR, 5), |
---|
| 1599 | new Field("", "REMARKS", java.sql.Types.VARCHAR, 0) }); |
---|
| 1600 | |
---|
| 1601 | return rs; |
---|
| 1602 | } finally { |
---|
| 1603 | if (pStmt != null) { |
---|
| 1604 | pStmt.close(); |
---|
| 1605 | } |
---|
| 1606 | } |
---|
| 1607 | } |
---|
| 1608 | |
---|
| 1609 | public boolean gethasParametersView() { |
---|
| 1610 | return this.hasParametersView; |
---|
| 1611 | } |
---|
| 1612 | |
---|
| 1613 | |
---|
| 1614 | } |
---|