| 1 | <?php
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| 2 | // +----------------------------------------------------------------------+
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| 3 | // | PHP versions 4 and 5 |
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| 4 | // +----------------------------------------------------------------------+
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| 5 | // | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox, |
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| 6 | // | Stig. S. Bakken, Lukas Smith |
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| 7 | // | All rights reserved. |
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| 8 | // +----------------------------------------------------------------------+
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| 9 | // | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
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| 10 | // | API as well as database abstraction for PHP applications. |
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| 11 | // | This LICENSE is in the BSD license style. |
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| 12 | // | |
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| 13 | // | Redistribution and use in source and binary forms, with or without |
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| 14 | // | modification, are permitted provided that the following conditions |
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| 15 | // | are met: |
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| 16 | // | |
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| 17 | // | Redistributions of source code must retain the above copyright |
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| 18 | // | notice, this list of conditions and the following disclaimer. |
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| 19 | // | |
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| 20 | // | Redistributions in binary form must reproduce the above copyright |
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| 21 | // | notice, this list of conditions and the following disclaimer in the |
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| 22 | // | documentation and/or other materials provided with the distribution. |
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| 23 | // | |
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| 24 | // | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
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| 25 | // | Lukas Smith nor the names of his contributors may be used to endorse |
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| 26 | // | or promote products derived from this software without specific prior|
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| 27 | // | written permission. |
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| 28 | // | |
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| 29 | // | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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| 30 | // | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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| 31 | // | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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| 32 | // | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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| 33 | // | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 34 | // | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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| 35 | // | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
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| 36 | // | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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| 37 | // | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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| 38 | // | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
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| 39 | // | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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| 40 | // | POSSIBILITY OF SUCH DAMAGE. |
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| 41 | // +----------------------------------------------------------------------+
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| 42 | // | Author: Lukas Smith <[email protected]> |
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| 43 | // +----------------------------------------------------------------------+
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| 44 | //
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| 45 | // $Id: mysql.php,v 1.113 2008/11/23 20:30:29 quipo Exp $
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| 46 | //
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| 47 |
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| 48 | require_once 'MDB2/Driver/Manager/Common.php';
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| 49 |
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| 50 | /**
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| 51 | * MDB2 MySQL driver for the management modules
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| 52 | *
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| 53 | * @package MDB2
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| 54 | * @category Database
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| 55 | * @author Lukas Smith <[email protected]>
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| 56 | */
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| 57 | class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common
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| 58 | {
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| 59 |
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| 60 | // }}}
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| 61 | // {{{ createDatabase()
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| 62 |
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| 63 | /**
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| 64 | * create a new database
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| 65 | *
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| 66 | * @param string $name name of the database that should be created
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| 67 | * @param array $options array with charset, collation info
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| 68 | *
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| 69 | * @return mixed MDB2_OK on success, a MDB2 error on failure
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| 70 | * @access public
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| 71 | */
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| 72 | function createDatabase($name, $options = array())
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| 73 | {
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| 74 | $db =& $this->getDBInstance();
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| 75 | if (PEAR::isError($db)) {
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| 76 | return $db;
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| 77 | }
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| 78 |
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| 79 | $name = $db->quoteIdentifier($name, true);
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| 80 | $query = 'CREATE DATABASE ' . $name;
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| 81 | if (!empty($options['charset'])) {
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| 82 | $query .= ' DEFAULT CHARACTER SET ' . $db->quote($options['charset'], 'text');
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| 83 | }
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| 84 | if (!empty($options['collation'])) {
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| 85 | $query .= ' COLLATE ' . $db->quote($options['collation'], 'text');
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| 86 | }
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| 87 | return $db->standaloneQuery($query, null, true);
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| 88 | }
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| 89 |
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| 90 | // }}}
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| 91 | // {{{ alterDatabase()
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| 92 |
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| 93 | /**
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| 94 | * alter an existing database
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| 95 | *
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| 96 | * @param string $name name of the database that is intended to be changed
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| 97 | * @param array $options array with charset, collation info
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| 98 | *
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| 99 | * @return mixed MDB2_OK on success, a MDB2 error on failure
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| 100 | * @access public
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| 101 | */
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| 102 | function alterDatabase($name, $options = array())
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| 103 | {
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| 104 | $db =& $this->getDBInstance();
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| 105 | if (PEAR::isError($db)) {
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| 106 | return $db;
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| 107 | }
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| 108 |
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| 109 | $query = 'ALTER DATABASE '. $db->quoteIdentifier($name, true);
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| 110 | if (!empty($options['charset'])) {
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| 111 | $query .= ' DEFAULT CHARACTER SET ' . $db->quote($options['charset'], 'text');
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| 112 | }
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| 113 | if (!empty($options['collation'])) {
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| 114 | $query .= ' COLLATE ' . $db->quote($options['collation'], 'text');
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| 115 | }
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| 116 | return $db->standaloneQuery($query, null, true);
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| 117 | }
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| 118 |
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| 119 | // }}}
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| 120 | // {{{ dropDatabase()
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| 121 |
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| 122 | /**
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| 123 | * drop an existing database
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| 124 | *
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| 125 | * @param string $name name of the database that should be dropped
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| 126 | * @return mixed MDB2_OK on success, a MDB2 error on failure
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| 127 | * @access public
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| 128 | */
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| 129 | function dropDatabase($name)
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| 130 | {
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| 131 | $db =& $this->getDBInstance();
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| 132 | if (PEAR::isError($db)) {
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| 133 | return $db;
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| 134 | }
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| 135 |
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| 136 | $name = $db->quoteIdentifier($name, true);
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| 137 | $query = "DROP DATABASE $name";
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| 138 | return $db->standaloneQuery($query, null, true);
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| 139 | }
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| 140 |
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| 141 | // }}}
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| 142 | // {{{ _getAdvancedFKOptions()
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| 143 |
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| 144 | /**
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| 145 | * Return the FOREIGN KEY query section dealing with non-standard options
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| 146 | * as MATCH, INITIALLY DEFERRED, ON UPDATE, ...
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| 147 | *
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| 148 | * @param array $definition
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| 149 | * @return string
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| 150 | * @access protected
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| 151 | */
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| 152 | function _getAdvancedFKOptions($definition)
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| 153 | {
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| 154 | $query = '';
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| 155 | if (!empty($definition['match'])) {
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| 156 | $query .= ' MATCH '.$definition['match'];
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| 157 | }
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| 158 | if (!empty($definition['onupdate'])) {
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| 159 | $query .= ' ON UPDATE '.$definition['onupdate'];
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| 160 | }
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| 161 | if (!empty($definition['ondelete'])) {
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| 162 | $query .= ' ON DELETE '.$definition['ondelete'];
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| 163 | }
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| 164 | return $query;
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| 165 | }
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| 166 |
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| 167 | // }}}
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| 168 | // {{{ createTable()
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| 169 |
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| 170 | /**
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| 171 | * create a new table
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| 172 | *
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| 173 | * @param string $name Name of the database that should be created
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| 174 | * @param array $fields Associative array that contains the definition of each field of the new table
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| 175 | * The indexes of the array entries are the names of the fields of the table an
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| 176 | * the array entry values are associative arrays like those that are meant to be
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| 177 | * passed with the field definitions to get[Type]Declaration() functions.
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| 178 | * array(
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| 179 | * 'id' => array(
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| 180 | * 'type' => 'integer',
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| 181 | * 'unsigned' => 1
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| 182 | * 'notnull' => 1
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| 183 | * 'default' => 0
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| 184 | * ),
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| 185 | * 'name' => array(
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| 186 | * 'type' => 'text',
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| 187 | * 'length' => 12
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| 188 | * ),
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| 189 | * 'password' => array(
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| 190 | * 'type' => 'text',
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| 191 | * 'length' => 12
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| 192 | * )
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| 193 | * );
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| 194 | * @param array $options An associative array of table options:
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| 195 | * array(
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| 196 | * 'comment' => 'Foo',
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| 197 | * 'charset' => 'utf8',
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| 198 | * 'collate' => 'utf8_unicode_ci',
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| 199 | * 'type' => 'innodb',
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| 200 | * );
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| 201 | *
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| 202 | * @return mixed MDB2_OK on success, a MDB2 error on failure
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| 203 | * @access public
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| 204 | */
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| 205 | function createTable($name, $fields, $options = array())
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| 206 | {
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| 207 | $db =& $this->getDBInstance();
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| 208 | if (PEAR::isError($db)) {
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| 209 | return $db;
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| 210 | }
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| 211 |
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| 212 | // if we have an AUTO_INCREMENT column and a PK on more than one field,
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| 213 | // we have to handle it differently...
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| 214 | $autoincrement = null;
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| 215 | if (empty($options['primary'])) {
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| 216 | $pk_fields = array();
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| 217 | foreach ($fields as $fieldname => $def) {
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| 218 | if (!empty($def['primary'])) {
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| 219 | $pk_fields[$fieldname] = true;
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| 220 | }
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| 221 | if (!empty($def['autoincrement'])) {
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| 222 | $autoincrement = $fieldname;
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| 223 | }
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| 224 | }
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| 225 | if (!is_null($autoincrement) && count($pk_fields) > 1) {
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| 226 | $options['primary'] = $pk_fields;
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| 227 | } else {
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| 228 | // the PK constraint is on max one field => OK
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| 229 | $autoincrement = null;
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| 230 | }
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| 231 | }
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| 232 |
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| 233 | $query = $this->_getCreateTableQuery($name, $fields, $options);
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| 234 | if (PEAR::isError($query)) {
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| 235 | return $query;
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| 236 | }
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| 237 |
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| 238 | if (!is_null($autoincrement)) {
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| 239 | // we have to remove the PK clause added by _getIntegerDeclaration()
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| 240 | $query = str_replace('AUTO_INCREMENT PRIMARY KEY', 'AUTO_INCREMENT', $query);
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| 241 | }
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| 242 |
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| 243 | $options_strings = array();
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| 244 |
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| 245 | if (!empty($options['comment'])) {
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| 246 | $options_strings['comment'] = 'COMMENT = '.$db->quote($options['comment'], 'text');
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| 247 | }
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| 248 |
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| 249 | if (!empty($options['charset'])) {
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| 250 | $options_strings['charset'] = 'DEFAULT CHARACTER SET '.$options['charset'];
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| 251 | if (!empty($options['collate'])) {
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| 252 | $options_strings['charset'].= ' COLLATE '.$options['collate'];
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| 253 | }
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| 254 | }
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| 255 |
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| 256 | $type = false;
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| 257 | if (!empty($options['type'])) {
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| 258 | $type = $options['type'];
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| 259 | } elseif ($db->options['default_table_type']) {
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| 260 | $type = $db->options['default_table_type'];
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| 261 | }
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| 262 | if ($type) {
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| 263 | $options_strings[] = "ENGINE = $type";
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| 264 | }
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| 265 |
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| 266 | if (!empty($options_strings)) {
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| 267 | $query .= ' '.implode(' ', $options_strings);
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| 268 | }
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| 269 | $result = $db->exec($query);
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| 270 | if (PEAR::isError($result)) {
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| 271 | return $result;
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| 272 | }
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| 273 | return MDB2_OK;
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| 274 | }
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| 275 |
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| 276 | // }}}
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| 277 | // {{{ dropTable()
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| 278 |
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| 279 | /**
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| 280 | * drop an existing table
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| 281 | *
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| 282 | * @param string $name name of the table that should be dropped
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| 283 | * @return mixed MDB2_OK on success, a MDB2 error on failure
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| 284 | * @access public
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| 285 | */
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| 286 | function dropTable($name)
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| 287 | {
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| 288 | $db =& $this->getDBInstance();
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| 289 | if (PEAR::isError($db)) {
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| 290 | return $db;
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| 291 | }
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| 292 |
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| 293 | //delete the triggers associated to existing FK constraints
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| 294 | $constraints = $this->listTableConstraints($name);
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| 295 | if (!PEAR::isError($constraints) && !empty($constraints)) {
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| 296 | $db->loadModule('Reverse', null, true);
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| 297 | foreach ($constraints as $constraint) {
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| 298 | $definition = $db->reverse->getTableConstraintDefinition($name, $constraint);
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| 299 | if (!PEAR::isError($definition) && !empty($definition['foreign'])) {
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| 300 | $result = $this->_dropFKTriggers($name, $constraint, $definition['references']['table']);
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| 301 | if (PEAR::isError($result)) {
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| 302 | return $result;
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| 303 | }
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| 304 | }
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| 305 | }
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| 306 | }
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| 307 |
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| 308 | return parent::dropTable($name);
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| 309 | }
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| 310 |
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| 311 | // }}}
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| 312 | // {{{ truncateTable()
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| 313 |
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| 314 | /**
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| 315 | * Truncate an existing table (if the TRUNCATE TABLE syntax is not supported,
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| 316 | * it falls back to a DELETE FROM TABLE query)
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| 317 | *
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| 318 | * @param string $name name of the table that should be truncated
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| 319 | * @return mixed MDB2_OK on success, a MDB2 error on failure
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| 320 | * @access public
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| 321 | */
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| 322 | function truncateTable($name)
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| 323 | {
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| 324 | $db =& $this->getDBInstance();
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| 325 | if (PEAR::isError($db)) {
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| 326 | return $db;
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| 327 | }
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| 328 |
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| 329 | $name = $db->quoteIdentifier($name, true);
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| 330 | return $db->exec("TRUNCATE TABLE $name");
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| 331 | }
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| 332 |
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| 333 | // }}}
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| 334 | // {{{ vacuum()
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| 335 |
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| 336 | /**
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| 337 | * Optimize (vacuum) all the tables in the db (or only the specified table)
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| 338 | * and optionally run ANALYZE.
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| 339 | *
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| 340 | * @param string $table table name (all the tables if empty)
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| 341 | * @param array $options an array with driver-specific options:
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| 342 | * - timeout [int] (in seconds) [mssql-only]
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| 343 | * - analyze [boolean] [pgsql and mysql]
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| 344 | * - full [boolean] [pgsql-only]
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| 345 | * - freeze [boolean] [pgsql-only]
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| 346 | *
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| 347 | * @return mixed MDB2_OK success, a MDB2 error on failure
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| 348 | * @access public
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| 349 | */
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| 350 | function vacuum($table = null, $options = array())
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| 351 | {
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| 352 | $db =& $this->getDBInstance();
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| 353 | if (PEAR::isError($db)) {
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| 354 | return $db;
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| 355 | }
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| 356 |
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| 357 | if (empty($table)) {
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| 358 | $table = $this->listTables();
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| 359 | if (PEAR::isError($table)) {
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| 360 | return $table;
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| 361 | }
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| 362 | }
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| 363 | if (is_array($table)) {
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| 364 | foreach (array_keys($table) as $k) {
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| 365 | $table[$k] = $db->quoteIdentifier($table[$k], true);
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| 366 | }
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| 367 | $table = implode(', ', $table);
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| 368 | } else {
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| 369 | $table = $db->quoteIdentifier($table, true);
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| 370 | }
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| 371 |
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| 372 | $result = $db->exec('OPTIMIZE TABLE '.$table);
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| 373 | if (PEAR::isError($result)) {
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| 374 | return $result;
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| 375 | }
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| 376 | if (!empty($options['analyze'])) {
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| 377 | return $db->exec('ANALYZE TABLE '.$table);
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| 378 | }
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| 379 | return MDB2_OK;
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| 380 | }
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| 381 |
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| 382 | // }}}
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| 383 | // {{{ alterTable()
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| 384 |
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| 385 | /**
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| 386 | * alter an existing table
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| 387 | *
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| 388 | * @param string $name name of the table that is intended to be changed.
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| 389 | * @param array $changes associative array that contains the details of each type
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| 390 | * of change that is intended to be performed. The types of
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| 391 | * changes that are currently supported are defined as follows:
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| 392 | *
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| 393 | * name
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| 394 | *
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| 395 | * New name for the table.
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| 396 | *
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| 397 | * add
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| 398 | *
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| 399 | * Associative array with the names of fields to be added as
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| 400 | * indexes of the array. The value of each entry of the array
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| 401 | * should be set to another associative array with the properties
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| 402 | * of the fields to be added. The properties of the fields should
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| 403 | * be the same as defined by the MDB2 parser.
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| 404 | *
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| 405 | *
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| 406 | * remove
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| 407 | *
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| 408 | * Associative array with the names of fields to be removed as indexes
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| 409 | * of the array. Currently the values assigned to each entry are ignored.
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| 410 | * An empty array should be used for future compatibility.
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| 411 | *
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| 412 | * rename
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| 413 | *
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| 414 | * Associative array with the names of fields to be renamed as indexes
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| 415 | * of the array. The value of each entry of the array should be set to
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| 416 | * another associative array with the entry named name with the new
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| 417 | * field name and the entry named Declaration that is expected to contain
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| 418 | * the portion of the field declaration already in DBMS specific SQL code
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| 419 | * as it is used in the CREATE TABLE statement.
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| 420 | *
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| 421 | * change
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| 422 | *
|
|---|
| 423 | * Associative array with the names of the fields to be changed as indexes
|
|---|
| 424 | * of the array. Keep in mind that if it is intended to change either the
|
|---|
| 425 | * name of a field and any other properties, the change array entries
|
|---|
| 426 | * should have the new names of the fields as array indexes.
|
|---|
| 427 | *
|
|---|
| 428 | * The value of each entry of the array should be set to another associative
|
|---|
| 429 | * array with the properties of the fields to that are meant to be changed as
|
|---|
| 430 | * array entries. These entries should be assigned to the new values of the
|
|---|
| 431 | * respective properties. The properties of the fields should be the same
|
|---|
| 432 | * as defined by the MDB2 parser.
|
|---|
| 433 | *
|
|---|
| 434 | * Example
|
|---|
| 435 | * array(
|
|---|
| 436 | * 'name' => 'userlist',
|
|---|
| 437 | * 'add' => array(
|
|---|
| 438 | * 'quota' => array(
|
|---|
| 439 | * 'type' => 'integer',
|
|---|
| 440 | * 'unsigned' => 1
|
|---|
| 441 | * )
|
|---|
| 442 | * ),
|
|---|
| 443 | * 'remove' => array(
|
|---|
| 444 | * 'file_limit' => array(),
|
|---|
| 445 | * 'time_limit' => array()
|
|---|
| 446 | * ),
|
|---|
| 447 | * 'change' => array(
|
|---|
| 448 | * 'name' => array(
|
|---|
| 449 | * 'length' => '20',
|
|---|
| 450 | * 'definition' => array(
|
|---|
| 451 | * 'type' => 'text',
|
|---|
| 452 | * 'length' => 20,
|
|---|
| 453 | * ),
|
|---|
| 454 | * )
|
|---|
| 455 | * ),
|
|---|
| 456 | * 'rename' => array(
|
|---|
| 457 | * 'sex' => array(
|
|---|
| 458 | * 'name' => 'gender',
|
|---|
| 459 | * 'definition' => array(
|
|---|
| 460 | * 'type' => 'text',
|
|---|
| 461 | * 'length' => 1,
|
|---|
| 462 | * 'default' => 'M',
|
|---|
| 463 | * ),
|
|---|
| 464 | * )
|
|---|
| 465 | * )
|
|---|
| 466 | * )
|
|---|
| 467 | *
|
|---|
| 468 | * @param boolean $check indicates whether the function should just check if the DBMS driver
|
|---|
| 469 | * can perform the requested table alterations if the value is true or
|
|---|
| 470 | * actually perform them otherwise.
|
|---|
| 471 | * @access public
|
|---|
| 472 | *
|
|---|
| 473 | * @return mixed MDB2_OK on success, a MDB2 error on failure
|
|---|
| 474 | */
|
|---|
| 475 | function alterTable($name, $changes, $check)
|
|---|
| 476 | {
|
|---|
| 477 | $db =& $this->getDBInstance();
|
|---|
| 478 | if (PEAR::isError($db)) {
|
|---|
| 479 | return $db;
|
|---|
| 480 | }
|
|---|
| 481 |
|
|---|
| 482 | foreach ($changes as $change_name => $change) {
|
|---|
| 483 | switch ($change_name) {
|
|---|
| 484 | case 'add':
|
|---|
| 485 | case 'remove':
|
|---|
| 486 | case 'change':
|
|---|
| 487 | case 'rename':
|
|---|
| 488 | case 'name':
|
|---|
| 489 | break;
|
|---|
| 490 | default:
|
|---|
| 491 | return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null,
|
|---|
| 492 | 'change type "'.$change_name.'" not yet supported', __FUNCTION__);
|
|---|
| 493 | }
|
|---|
| 494 | }
|
|---|
| 495 |
|
|---|
| 496 | if ($check) {
|
|---|
| 497 | return MDB2_OK;
|
|---|
| 498 | }
|
|---|
| 499 |
|
|---|
| 500 | $query = '';
|
|---|
| 501 | if (!empty($changes['name'])) {
|
|---|
| 502 | $change_name = $db->quoteIdentifier($changes['name'], true);
|
|---|
| 503 | $query .= 'RENAME TO ' . $change_name;
|
|---|
| 504 | }
|
|---|
| 505 |
|
|---|
| 506 | if (!empty($changes['add']) && is_array($changes['add'])) {
|
|---|
| 507 | foreach ($changes['add'] as $field_name => $field) {
|
|---|
| 508 | if ($query) {
|
|---|
| 509 | $query.= ', ';
|
|---|
| 510 | }
|
|---|
| 511 | $query.= 'ADD ' . $db->getDeclaration($field['type'], $field_name, $field);
|
|---|
| 512 | }
|
|---|
| 513 | }
|
|---|
| 514 |
|
|---|
| 515 | if (!empty($changes['remove']) && is_array($changes['remove'])) {
|
|---|
| 516 | foreach ($changes['remove'] as $field_name => $field) {
|
|---|
| 517 | if ($query) {
|
|---|
| 518 | $query.= ', ';
|
|---|
| 519 | }
|
|---|
| 520 | $field_name = $db->quoteIdentifier($field_name, true);
|
|---|
| 521 | $query.= 'DROP ' . $field_name;
|
|---|
| 522 | }
|
|---|
| 523 | }
|
|---|
| 524 |
|
|---|
| 525 | $rename = array();
|
|---|
| 526 | if (!empty($changes['rename']) && is_array($changes['rename'])) {
|
|---|
| 527 | foreach ($changes['rename'] as $field_name => $field) {
|
|---|
| 528 | $rename[$field['name']] = $field_name;
|
|---|
| 529 | }
|
|---|
| 530 | }
|
|---|
| 531 |
|
|---|
| 532 | if (!empty($changes['change']) && is_array($changes['change'])) {
|
|---|
| 533 | foreach ($changes['change'] as $field_name => $field) {
|
|---|
| 534 | if ($query) {
|
|---|
| 535 | $query.= ', ';
|
|---|
| 536 | }
|
|---|
| 537 | if (isset($rename[$field_name])) {
|
|---|
| 538 | $old_field_name = $rename[$field_name];
|
|---|
| 539 | unset($rename[$field_name]);
|
|---|
| 540 | } else {
|
|---|
| 541 | $old_field_name = $field_name;
|
|---|
| 542 | }
|
|---|
| 543 | $old_field_name = $db->quoteIdentifier($old_field_name, true);
|
|---|
| 544 | $query.= "CHANGE $old_field_name " . $db->getDeclaration($field['definition']['type'], $field_name, $field['definition']);
|
|---|
| 545 | }
|
|---|
| 546 | }
|
|---|
| 547 |
|
|---|
| 548 | if (!empty($rename) && is_array($rename)) {
|
|---|
| 549 | foreach ($rename as $rename_name => $renamed_field) {
|
|---|
| 550 | if ($query) {
|
|---|
| 551 | $query.= ', ';
|
|---|
| 552 | }
|
|---|
| 553 | $field = $changes['rename'][$renamed_field];
|
|---|
| 554 | $renamed_field = $db->quoteIdentifier($renamed_field, true);
|
|---|
| 555 | $query.= 'CHANGE ' . $renamed_field . ' ' . $db->getDeclaration($field['definition']['type'], $field['name'], $field['definition']);
|
|---|
| 556 | }
|
|---|
| 557 | }
|
|---|
| 558 |
|
|---|
| 559 | if (!$query) {
|
|---|
| 560 | return MDB2_OK;
|
|---|
| 561 | }
|
|---|
| 562 |
|
|---|
| 563 | $name = $db->quoteIdentifier($name, true);
|
|---|
| 564 | return $db->exec("ALTER TABLE $name $query");
|
|---|
| 565 | }
|
|---|
| 566 |
|
|---|
| 567 | // }}}
|
|---|
| 568 | // {{{ listDatabases()
|
|---|
| 569 |
|
|---|
| 570 | /**
|
|---|
| 571 | * list all databases
|
|---|
| 572 | *
|
|---|
| 573 | * @return mixed array of database names on success, a MDB2 error on failure
|
|---|
| 574 | * @access public
|
|---|
| 575 | */
|
|---|
| 576 | function listDatabases()
|
|---|
| 577 | {
|
|---|
| 578 | $db =& $this->getDBInstance();
|
|---|
| 579 | if (PEAR::isError($db)) {
|
|---|
| 580 | return $db;
|
|---|
| 581 | }
|
|---|
| 582 |
|
|---|
| 583 | $result = $db->queryCol('SHOW DATABASES');
|
|---|
| 584 | if (PEAR::isError($result)) {
|
|---|
| 585 | return $result;
|
|---|
| 586 | }
|
|---|
| 587 | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
|
|---|
| 588 | $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
|
|---|
| 589 | }
|
|---|
| 590 | return $result;
|
|---|
| 591 | }
|
|---|
| 592 |
|
|---|
| 593 | // }}}
|
|---|
| 594 | // {{{ listUsers()
|
|---|
| 595 |
|
|---|
| 596 | /**
|
|---|
| 597 | * list all users
|
|---|
| 598 | *
|
|---|
| 599 | * @return mixed array of user names on success, a MDB2 error on failure
|
|---|
| 600 | * @access public
|
|---|
| 601 | */
|
|---|
| 602 | function listUsers()
|
|---|
| 603 | {
|
|---|
| 604 | $db =& $this->getDBInstance();
|
|---|
| 605 | if (PEAR::isError($db)) {
|
|---|
| 606 | return $db;
|
|---|
| 607 | }
|
|---|
| 608 |
|
|---|
| 609 | return $db->queryCol('SELECT DISTINCT USER FROM mysql.USER');
|
|---|
| 610 | }
|
|---|
| 611 |
|
|---|
| 612 | // }}}
|
|---|
| 613 | // {{{ listFunctions()
|
|---|
| 614 |
|
|---|
| 615 | /**
|
|---|
| 616 | * list all functions in the current database
|
|---|
| 617 | *
|
|---|
| 618 | * @return mixed array of function names on success, a MDB2 error on failure
|
|---|
| 619 | * @access public
|
|---|
| 620 | */
|
|---|
| 621 | function listFunctions()
|
|---|
| 622 | {
|
|---|
| 623 | $db =& $this->getDBInstance();
|
|---|
| 624 | if (PEAR::isError($db)) {
|
|---|
| 625 | return $db;
|
|---|
| 626 | }
|
|---|
| 627 |
|
|---|
| 628 | $query = "SELECT name FROM mysql.proc";
|
|---|
| 629 | /*
|
|---|
| 630 | SELECT ROUTINE_NAME
|
|---|
| 631 | FROM INFORMATION_SCHEMA.ROUTINES
|
|---|
| 632 | WHERE ROUTINE_TYPE = 'FUNCTION'
|
|---|
| 633 | */
|
|---|
| 634 | $result = $db->queryCol($query);
|
|---|
| 635 | if (PEAR::isError($result)) {
|
|---|
| 636 | return $result;
|
|---|
| 637 | }
|
|---|
| 638 | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
|
|---|
| 639 | $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
|
|---|
| 640 | }
|
|---|
| 641 | return $result;
|
|---|
| 642 | }
|
|---|
| 643 |
|
|---|
| 644 | // }}}
|
|---|
| 645 | // {{{ listTableTriggers()
|
|---|
| 646 |
|
|---|
| 647 | /**
|
|---|
| 648 | * list all triggers in the database that reference a given table
|
|---|
| 649 | *
|
|---|
| 650 | * @param string table for which all referenced triggers should be found
|
|---|
| 651 | * @return mixed array of trigger names on success, a MDB2 error on failure
|
|---|
| 652 | * @access public
|
|---|
| 653 | */
|
|---|
| 654 | function listTableTriggers($table = null)
|
|---|
| 655 | {
|
|---|
| 656 | $db =& $this->getDBInstance();
|
|---|
| 657 | if (PEAR::isError($db)) {
|
|---|
| 658 | return $db;
|
|---|
| 659 | }
|
|---|
| 660 |
|
|---|
| 661 | $query = 'SHOW TRIGGERS';
|
|---|
| 662 | if (!is_null($table)) {
|
|---|
| 663 | $table = $db->quote($table, 'text');
|
|---|
| 664 | $query .= " LIKE $table";
|
|---|
| 665 | }
|
|---|
| 666 | $result = $db->queryCol($query);
|
|---|
| 667 | if (PEAR::isError($result)) {
|
|---|
| 668 | return $result;
|
|---|
| 669 | }
|
|---|
| 670 | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
|
|---|
| 671 | $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
|
|---|
| 672 | }
|
|---|
| 673 | return $result;
|
|---|
| 674 | }
|
|---|
| 675 |
|
|---|
| 676 | // }}}
|
|---|
| 677 | // {{{ listTables()
|
|---|
| 678 |
|
|---|
| 679 | /**
|
|---|
| 680 | * list all tables in the current database
|
|---|
| 681 | *
|
|---|
| 682 | * @param string database, the current is default
|
|---|
| 683 | * @return mixed array of table names on success, a MDB2 error on failure
|
|---|
| 684 | * @access public
|
|---|
| 685 | */
|
|---|
| 686 | function listTables($database = null)
|
|---|
| 687 | {
|
|---|
| 688 | $db =& $this->getDBInstance();
|
|---|
| 689 | if (PEAR::isError($db)) {
|
|---|
| 690 | return $db;
|
|---|
| 691 | }
|
|---|
| 692 |
|
|---|
| 693 | $query = "SHOW /*!50002 FULL*/ TABLES";
|
|---|
| 694 | if (!is_null($database)) {
|
|---|
| 695 | $query .= " FROM $database";
|
|---|
| 696 | }
|
|---|
| 697 | $query.= "/*!50002 WHERE Table_type = 'BASE TABLE'*/";
|
|---|
| 698 |
|
|---|
| 699 | $table_names = $db->queryAll($query, null, MDB2_FETCHMODE_ORDERED);
|
|---|
| 700 | if (PEAR::isError($table_names)) {
|
|---|
| 701 | return $table_names;
|
|---|
| 702 | }
|
|---|
| 703 |
|
|---|
| 704 | $result = array();
|
|---|
| 705 | foreach ($table_names as $table) {
|
|---|
| 706 | if (!$this->_fixSequenceName($table[0], true)) {
|
|---|
| 707 | $result[] = $table[0];
|
|---|
| 708 | }
|
|---|
| 709 | }
|
|---|
| 710 | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
|
|---|
| 711 | $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
|
|---|
| 712 | }
|
|---|
| 713 | return $result;
|
|---|
| 714 | }
|
|---|
| 715 |
|
|---|
| 716 | // }}}
|
|---|
| 717 | // {{{ listViews()
|
|---|
| 718 |
|
|---|
| 719 | /**
|
|---|
| 720 | * list all views in the current database
|
|---|
| 721 | *
|
|---|
| 722 | * @param string database, the current is default
|
|---|
| 723 | * @return mixed array of view names on success, a MDB2 error on failure
|
|---|
| 724 | * @access public
|
|---|
| 725 | */
|
|---|
| 726 | function listViews($database = null)
|
|---|
| 727 | {
|
|---|
| 728 | $db =& $this->getDBInstance();
|
|---|
| 729 | if (PEAR::isError($db)) {
|
|---|
| 730 | return $db;
|
|---|
| 731 | }
|
|---|
| 732 |
|
|---|
| 733 | $query = 'SHOW FULL TABLES';
|
|---|
| 734 | if (!is_null($database)) {
|
|---|
| 735 | $query.= " FROM $database";
|
|---|
| 736 | }
|
|---|
| 737 | $query.= " WHERE Table_type = 'VIEW'";
|
|---|
| 738 |
|
|---|
| 739 | $result = $db->queryCol($query);
|
|---|
| 740 | if (PEAR::isError($result)) {
|
|---|
| 741 | return $result;
|
|---|
| 742 | }
|
|---|
| 743 |
|
|---|
| 744 | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
|
|---|
| 745 | $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
|
|---|
| 746 | }
|
|---|
| 747 | return $result;
|
|---|
| 748 | }
|
|---|
| 749 |
|
|---|
| 750 | // }}}
|
|---|
| 751 | // {{{ listTableFields()
|
|---|
| 752 |
|
|---|
| 753 | /**
|
|---|
| 754 | * list all fields in a table in the current database
|
|---|
| 755 | *
|
|---|
| 756 | * @param string $table name of table that should be used in method
|
|---|
| 757 | * @return mixed array of field names on success, a MDB2 error on failure
|
|---|
| 758 | * @access public
|
|---|
| 759 | */
|
|---|
| 760 | function listTableFields($table)
|
|---|
| 761 | {
|
|---|
| 762 | $db =& $this->getDBInstance();
|
|---|
| 763 | if (PEAR::isError($db)) {
|
|---|
| 764 | return $db;
|
|---|
| 765 | }
|
|---|
| 766 |
|
|---|
| 767 | $table = $db->quoteIdentifier($table, true);
|
|---|
| 768 | $result = $db->queryCol("SHOW COLUMNS FROM $table");
|
|---|
| 769 | if (PEAR::isError($result)) {
|
|---|
| 770 | return $result;
|
|---|
| 771 | }
|
|---|
| 772 | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
|
|---|
| 773 | $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
|
|---|
| 774 | }
|
|---|
| 775 | return $result;
|
|---|
| 776 | }
|
|---|
| 777 |
|
|---|
| 778 | // }}}
|
|---|
| 779 | // {{{ createIndex()
|
|---|
| 780 |
|
|---|
| 781 | /**
|
|---|
| 782 | * Get the stucture of a field into an array
|
|---|
| 783 | *
|
|---|
| 784 | * @author Leoncx
|
|---|
| 785 | * @param string $table name of the table on which the index is to be created
|
|---|
| 786 | * @param string $name name of the index to be created
|
|---|
| 787 | * @param array $definition associative array that defines properties of the index to be created.
|
|---|
| 788 | * Currently, only one property named FIELDS is supported. This property
|
|---|
| 789 | * is also an associative with the names of the index fields as array
|
|---|
| 790 | * indexes. Each entry of this array is set to another type of associative
|
|---|
| 791 | * array that specifies properties of the index that are specific to
|
|---|
| 792 | * each field.
|
|---|
| 793 | *
|
|---|
| 794 | * Currently, only the sorting property is supported. It should be used
|
|---|
| 795 | * to define the sorting direction of the index. It may be set to either
|
|---|
| 796 | * ascending or descending.
|
|---|
| 797 | *
|
|---|
| 798 | * Not all DBMS support index sorting direction configuration. The DBMS
|
|---|
| 799 | * drivers of those that do not support it ignore this property. Use the
|
|---|
| 800 | * function supports() to determine whether the DBMS driver can manage indexes.
|
|---|
| 801 | *
|
|---|
| 802 | * Example
|
|---|
| 803 | * array(
|
|---|
| 804 | * 'fields' => array(
|
|---|
| 805 | * 'user_name' => array(
|
|---|
| 806 | * 'sorting' => 'ascending'
|
|---|
| 807 | * 'length' => 10
|
|---|
| 808 | * ),
|
|---|
| 809 | * 'last_login' => array()
|
|---|
| 810 | * )
|
|---|
| 811 | * )
|
|---|
| 812 | *
|
|---|
| 813 | * @return mixed MDB2_OK on success, a MDB2 error on failure
|
|---|
| 814 | * @access public
|
|---|
| 815 | */
|
|---|
| 816 | function createIndex($table, $name, $definition)
|
|---|
| 817 | {
|
|---|
| 818 | $db =& $this->getDBInstance();
|
|---|
| 819 | if (PEAR::isError($db)) {
|
|---|
| 820 | return $db;
|
|---|
| 821 | }
|
|---|
| 822 |
|
|---|
| 823 | $table = $db->quoteIdentifier($table, true);
|
|---|
| 824 | $name = $db->quoteIdentifier($db->getIndexName($name), true);
|
|---|
| 825 | $query = "CREATE INDEX $name ON $table";
|
|---|
| 826 | $fields = array();
|
|---|
| 827 | foreach ($definition['fields'] as $field => $fieldinfo) {
|
|---|
| 828 | if (!empty($fieldinfo['length'])) {
|
|---|
| 829 | $fields[] = $db->quoteIdentifier($field, true) . '(' . $fieldinfo['length'] . ')';
|
|---|
| 830 | } else {
|
|---|
| 831 | $fields[] = $db->quoteIdentifier($field, true);
|
|---|
| 832 | }
|
|---|
| 833 | }
|
|---|
| 834 | $query .= ' ('. implode(', ', $fields) . ')';
|
|---|
| 835 | return $db->exec($query);
|
|---|
| 836 | }
|
|---|
| 837 |
|
|---|
| 838 | // }}}
|
|---|
| 839 | // {{{ dropIndex()
|
|---|
| 840 |
|
|---|
| 841 | /**
|
|---|
| 842 | * drop existing index
|
|---|
| 843 | *
|
|---|
| 844 | * @param string $table name of table that should be used in method
|
|---|
| 845 | * @param string $name name of the index to be dropped
|
|---|
| 846 | * @return mixed MDB2_OK on success, a MDB2 error on failure
|
|---|
| 847 | * @access public
|
|---|
| 848 | */
|
|---|
| 849 | function dropIndex($table, $name)
|
|---|
| 850 | {
|
|---|
| 851 | $db =& $this->getDBInstance();
|
|---|
| 852 | if (PEAR::isError($db)) {
|
|---|
| 853 | return $db;
|
|---|
| 854 | }
|
|---|
| 855 |
|
|---|
| 856 | $table = $db->quoteIdentifier($table, true);
|
|---|
| 857 | $name = $db->quoteIdentifier($db->getIndexName($name), true);
|
|---|
| 858 | return $db->exec("DROP INDEX $name ON $table");
|
|---|
| 859 | }
|
|---|
| 860 |
|
|---|
| 861 | // }}}
|
|---|
| 862 | // {{{ listTableIndexes()
|
|---|
| 863 |
|
|---|
| 864 | /**
|
|---|
| 865 | * list all indexes in a table
|
|---|
| 866 | *
|
|---|
| 867 | * @param string $table name of table that should be used in method
|
|---|
| 868 | * @return mixed array of index names on success, a MDB2 error on failure
|
|---|
| 869 | * @access public
|
|---|
| 870 | */
|
|---|
| 871 | function listTableIndexes($table)
|
|---|
| 872 | {
|
|---|
| 873 | $db =& $this->getDBInstance();
|
|---|
| 874 | if (PEAR::isError($db)) {
|
|---|
| 875 | return $db;
|
|---|
| 876 | }
|
|---|
| 877 |
|
|---|
| 878 | $key_name = 'Key_name';
|
|---|
| 879 | $non_unique = 'Non_unique';
|
|---|
| 880 | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
|
|---|
| 881 | if ($db->options['field_case'] == CASE_LOWER) {
|
|---|
| 882 | $key_name = strtolower($key_name);
|
|---|
| 883 | $non_unique = strtolower($non_unique);
|
|---|
| 884 | } else {
|
|---|
| 885 | $key_name = strtoupper($key_name);
|
|---|
| 886 | $non_unique = strtoupper($non_unique);
|
|---|
| 887 | }
|
|---|
| 888 | }
|
|---|
| 889 |
|
|---|
| 890 | $table = $db->quoteIdentifier($table, true);
|
|---|
| 891 | $query = "SHOW INDEX FROM $table";
|
|---|
| 892 | $indexes = $db->queryAll($query, null, MDB2_FETCHMODE_ASSOC);
|
|---|
| 893 | if (PEAR::isError($indexes)) {
|
|---|
| 894 | return $indexes;
|
|---|
| 895 | }
|
|---|
| 896 |
|
|---|
| 897 | $result = array();
|
|---|
| 898 | foreach ($indexes as $index_data) {
|
|---|
| 899 | if ($index_data[$non_unique] && ($index = $this->_fixIndexName($index_data[$key_name]))) {
|
|---|
| 900 | $result[$index] = true;
|
|---|
| 901 | }
|
|---|
| 902 | }
|
|---|
| 903 |
|
|---|
| 904 | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
|
|---|
| 905 | $result = array_change_key_case($result, $db->options['field_case']);
|
|---|
| 906 | }
|
|---|
| 907 | return array_keys($result);
|
|---|
| 908 | }
|
|---|
| 909 |
|
|---|
| 910 | // }}}
|
|---|
| 911 | // {{{ createConstraint()
|
|---|
| 912 |
|
|---|
| 913 | /**
|
|---|
| 914 | * create a constraint on a table
|
|---|
| 915 | *
|
|---|
| 916 | * @param string $table name of the table on which the constraint is to be created
|
|---|
| 917 | * @param string $name name of the constraint to be created
|
|---|
| 918 | * @param array $definition associative array that defines properties of the constraint to be created.
|
|---|
| 919 | * Currently, only one property named FIELDS is supported. This property
|
|---|
| 920 | * is also an associative with the names of the constraint fields as array
|
|---|
| 921 | * constraints. Each entry of this array is set to another type of associative
|
|---|
| 922 | * array that specifies properties of the constraint that are specific to
|
|---|
| 923 | * each field.
|
|---|
| 924 | *
|
|---|
| 925 | * Example
|
|---|
| 926 | * array(
|
|---|
| 927 | * 'fields' => array(
|
|---|
| 928 | * 'user_name' => array(),
|
|---|
| 929 | * 'last_login' => array()
|
|---|
| 930 | * )
|
|---|
| 931 | * )
|
|---|
| 932 | * @return mixed MDB2_OK on success, a MDB2 error on failure
|
|---|
| 933 | * @access public
|
|---|
| 934 | */
|
|---|
| 935 | function createConstraint($table, $name, $definition)
|
|---|
| 936 | {
|
|---|
| 937 | $db =& $this->getDBInstance();
|
|---|
| 938 | if (PEAR::isError($db)) {
|
|---|
| 939 | return $db;
|
|---|
| 940 | }
|
|---|
| 941 |
|
|---|
| 942 | $type = '';
|
|---|
| 943 | $idx_name = $db->quoteIdentifier($db->getIndexName($name), true);
|
|---|
| 944 | if (!empty($definition['primary'])) {
|
|---|
| 945 | $type = 'PRIMARY';
|
|---|
| 946 | $idx_name = 'KEY';
|
|---|
| 947 | } elseif (!empty($definition['unique'])) {
|
|---|
| 948 | $type = 'UNIQUE';
|
|---|
| 949 | } elseif (!empty($definition['foreign'])) {
|
|---|
| 950 | $type = 'CONSTRAINT';
|
|---|
| 951 | }
|
|---|
| 952 | if (empty($type)) {
|
|---|
| 953 | return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
|
|---|
| 954 | 'invalid definition, could not create constraint', __FUNCTION__);
|
|---|
| 955 | }
|
|---|
| 956 |
|
|---|
| 957 | $table_quoted = $db->quoteIdentifier($table, true);
|
|---|
| 958 | $query = "ALTER TABLE $table_quoted ADD $type $idx_name";
|
|---|
| 959 | if (!empty($definition['foreign'])) {
|
|---|
| 960 | $query .= ' FOREIGN KEY';
|
|---|
| 961 | }
|
|---|
| 962 | $fields = array();
|
|---|
| 963 | foreach ($definition['fields'] as $field => $fieldinfo) {
|
|---|
| 964 | $quoted = $db->quoteIdentifier($field, true);
|
|---|
| 965 | if (!empty($fieldinfo['length'])) {
|
|---|
| 966 | $quoted .= '(' . $fieldinfo['length'] . ')';
|
|---|
| 967 | }
|
|---|
| 968 | $fields[] = $quoted;
|
|---|
| 969 | }
|
|---|
| 970 | $query .= ' ('. implode(', ', $fields) . ')';
|
|---|
| 971 | if (!empty($definition['foreign'])) {
|
|---|
| 972 | $query.= ' REFERENCES ' . $db->quoteIdentifier($definition['references']['table'], true);
|
|---|
| 973 | $referenced_fields = array();
|
|---|
| 974 | foreach (array_keys($definition['references']['fields']) as $field) {
|
|---|
| 975 | $referenced_fields[] = $db->quoteIdentifier($field, true);
|
|---|
| 976 | }
|
|---|
| 977 | $query .= ' ('. implode(', ', $referenced_fields) . ')';
|
|---|
| 978 | $query .= $this->_getAdvancedFKOptions($definition);
|
|---|
| 979 |
|
|---|
| 980 | // add index on FK column(s) or we can't add a FK constraint
|
|---|
| 981 | // @see http://forums.mysql.com/read.php?22,19755,226009
|
|---|
| 982 | $result = $this->createIndex($table, $name.'_fkidx', $definition);
|
|---|
| 983 | if (PEAR::isError($result)) {
|
|---|
| 984 | return $result;
|
|---|
| 985 | }
|
|---|
| 986 | }
|
|---|
| 987 | $res = $db->exec($query);
|
|---|
| 988 | if (PEAR::isError($res)) {
|
|---|
| 989 | return $res;
|
|---|
| 990 | }
|
|---|
| 991 | if (!empty($definition['foreign'])) {
|
|---|
| 992 | return $this->_createFKTriggers($table, array($name => $definition));
|
|---|
| 993 | }
|
|---|
| 994 | return MDB2_OK;
|
|---|
| 995 | }
|
|---|
| 996 |
|
|---|
| 997 | // }}}
|
|---|
| 998 | // {{{ dropConstraint()
|
|---|
| 999 |
|
|---|
| 1000 | /**
|
|---|
| 1001 | * drop existing constraint
|
|---|
| 1002 | *
|
|---|
| 1003 | * @param string $table name of table that should be used in method
|
|---|
| 1004 | * @param string $name name of the constraint to be dropped
|
|---|
| 1005 | * @param string $primary hint if the constraint is primary
|
|---|
| 1006 | * @return mixed MDB2_OK on success, a MDB2 error on failure
|
|---|
| 1007 | * @access public
|
|---|
| 1008 | */
|
|---|
| 1009 | function dropConstraint($table, $name, $primary = false)
|
|---|
| 1010 | {
|
|---|
| 1011 | $db =& $this->getDBInstance();
|
|---|
| 1012 | if (PEAR::isError($db)) {
|
|---|
| 1013 | return $db;
|
|---|
| 1014 | }
|
|---|
| 1015 |
|
|---|
| 1016 | if ($primary || strtolower($name) == 'primary') {
|
|---|
| 1017 | $query = 'ALTER TABLE '. $db->quoteIdentifier($table, true) .' DROP PRIMARY KEY';
|
|---|
| 1018 | return $db->exec($query);
|
|---|
| 1019 | }
|
|---|
| 1020 |
|
|---|
| 1021 | //is it a FK constraint? If so, also delete the associated triggers
|
|---|
| 1022 | $db->loadModule('Reverse', null, true);
|
|---|
| 1023 | $definition = $db->reverse->getTableConstraintDefinition($table, $name);
|
|---|
| 1024 | if (!PEAR::isError($definition) && !empty($definition['foreign'])) {
|
|---|
| 1025 | //first drop the FK enforcing triggers
|
|---|
| 1026 | $result = $this->_dropFKTriggers($table, $name, $definition['references']['table']);
|
|---|
| 1027 | if (PEAR::isError($result)) {
|
|---|
| 1028 | return $result;
|
|---|
| 1029 | }
|
|---|
| 1030 | //then drop the constraint itself
|
|---|
| 1031 | $table = $db->quoteIdentifier($table, true);
|
|---|
| 1032 | $name = $db->quoteIdentifier($db->getIndexName($name), true);
|
|---|
| 1033 | $query = "ALTER TABLE $table DROP FOREIGN KEY $name";
|
|---|
| 1034 | return $db->exec($query);
|
|---|
| 1035 | }
|
|---|
| 1036 |
|
|---|
| 1037 | $table = $db->quoteIdentifier($table, true);
|
|---|
| 1038 | $name = $db->quoteIdentifier($db->getIndexName($name), true);
|
|---|
| 1039 | $query = "ALTER TABLE $table DROP INDEX $name";
|
|---|
| 1040 | return $db->exec($query);
|
|---|
| 1041 | }
|
|---|
| 1042 |
|
|---|
| 1043 | // }}}
|
|---|
| 1044 | // {{{ _createFKTriggers()
|
|---|
| 1045 |
|
|---|
| 1046 | /**
|
|---|
| 1047 | * Create triggers to enforce the FOREIGN KEY constraint on the table
|
|---|
| 1048 | *
|
|---|
| 1049 | * NB: since there's no RAISE_APPLICATION_ERROR facility in mysql,
|
|---|
| 1050 | * we call a non-existent procedure to raise the FK violation message.
|
|---|
| 1051 | * @see http://forums.mysql.com/read.php?99,55108,71877#msg-71877
|
|---|
| 1052 | *
|
|---|
| 1053 | * @param string $table table name
|
|---|
| 1054 | * @param array $foreign_keys FOREIGN KEY definitions
|
|---|
| 1055 | *
|
|---|
| 1056 | * @return mixed MDB2_OK on success, a MDB2 error on failure
|
|---|
| 1057 | * @access private
|
|---|
| 1058 | */
|
|---|
| 1059 | function _createFKTriggers($table, $foreign_keys)
|
|---|
| 1060 | {
|
|---|
| 1061 | $db =& $this->getDBInstance();
|
|---|
| 1062 | if (PEAR::isError($db)) {
|
|---|
| 1063 | return $db;
|
|---|
| 1064 | }
|
|---|
| 1065 | // create triggers to enforce FOREIGN KEY constraints
|
|---|
| 1066 | if ($db->supports('triggers') && !empty($foreign_keys)) {
|
|---|
| 1067 | $table_quoted = $db->quoteIdentifier($table, true);
|
|---|
| 1068 | foreach ($foreign_keys as $fkname => $fkdef) {
|
|---|
| 1069 | if (empty($fkdef)) {
|
|---|
| 1070 | continue;
|
|---|
| 1071 | }
|
|---|
| 1072 | //set actions to default if not set
|
|---|
| 1073 | $fkdef['onupdate'] = empty($fkdef['onupdate']) ? $db->options['default_fk_action_onupdate'] : strtoupper($fkdef['onupdate']);
|
|---|
| 1074 | $fkdef['ondelete'] = empty($fkdef['ondelete']) ? $db->options['default_fk_action_ondelete'] : strtoupper($fkdef['ondelete']);
|
|---|
| 1075 |
|
|---|
| 1076 | $trigger_names = array(
|
|---|
| 1077 | 'insert' => $fkname.'_insert_trg',
|
|---|
| 1078 | 'update' => $fkname.'_update_trg',
|
|---|
| 1079 | 'pk_update' => $fkname.'_pk_update_trg',
|
|---|
| 1080 | 'pk_delete' => $fkname.'_pk_delete_trg',
|
|---|
| 1081 | );
|
|---|
| 1082 | $table_fields = array_keys($fkdef['fields']);
|
|---|
| 1083 | $referenced_fields = array_keys($fkdef['references']['fields']);
|
|---|
| 1084 |
|
|---|
| 1085 | //create the ON [UPDATE|DELETE] triggers on the primary table
|
|---|
| 1086 | $restrict_action = ' IF (SELECT ';
|
|---|
| 1087 | $aliased_fields = array();
|
|---|
| 1088 | foreach ($table_fields as $field) {
|
|---|
| 1089 | $aliased_fields[] = $table_quoted .'.'.$field .' AS '.$field;
|
|---|
| 1090 | }
|
|---|
| 1091 | $restrict_action .= implode(',', $aliased_fields)
|
|---|
| 1092 | .' FROM '.$table_quoted
|
|---|
| 1093 | .' WHERE ';
|
|---|
| 1094 | $conditions = array();
|
|---|
| 1095 | $new_values = array();
|
|---|
| 1096 | $null_values = array();
|
|---|
| 1097 | for ($i=0; $i<count($table_fields); $i++) {
|
|---|
| 1098 | $conditions[] = $table_fields[$i] .' = OLD.'.$referenced_fields[$i];
|
|---|
| 1099 | $new_values[] = $table_fields[$i] .' = NEW.'.$referenced_fields[$i];
|
|---|
| 1100 | $null_values[] = $table_fields[$i] .' = NULL';
|
|---|
| 1101 | }
|
|---|
| 1102 | $conditions2 = array();
|
|---|
| 1103 | for ($i=0; $i<count($referenced_fields); $i++) {
|
|---|
| 1104 | $conditions2[] = 'NEW.'.$referenced_fields[$i] .' <> OLD.'.$referenced_fields[$i];
|
|---|
| 1105 | }
|
|---|
| 1106 | $restrict_action .= implode(' AND ', $conditions).') IS NOT NULL'
|
|---|
| 1107 | .' AND (' .implode(' OR ', $conditions2) .')'
|
|---|
| 1108 | .' THEN CALL %s_ON_TABLE_'.$table.'_VIOLATES_FOREIGN_KEY_CONSTRAINT();'
|
|---|
| 1109 | .' END IF;';
|
|---|
| 1110 |
|
|---|
| 1111 | $cascade_action_update = 'UPDATE '.$table_quoted.' SET '.implode(', ', $new_values) .' WHERE '.implode(' AND ', $conditions). ';';
|
|---|
| 1112 | $cascade_action_delete = 'DELETE FROM '.$table_quoted.' WHERE '.implode(' AND ', $conditions). ';';
|
|---|
| 1113 | $setnull_action = 'UPDATE '.$table_quoted.' SET '.implode(', ', $null_values).' WHERE '.implode(' AND ', $conditions). ';';
|
|---|
| 1114 |
|
|---|
| 1115 | if ('SET DEFAULT' == $fkdef['onupdate'] || 'SET DEFAULT' == $fkdef['ondelete']) {
|
|---|
| 1116 | $db->loadModule('Reverse', null, true);
|
|---|
| 1117 | $default_values = array();
|
|---|
| 1118 | foreach ($table_fields as $table_field) {
|
|---|
| 1119 | $field_definition = $db->reverse->getTableFieldDefinition($table, $field);
|
|---|
| 1120 | if (PEAR::isError($field_definition)) {
|
|---|
| 1121 | return $field_definition;
|
|---|
| 1122 | }
|
|---|
| 1123 | $default_values[] = $table_field .' = '. $field_definition[0]['default'];
|
|---|
| 1124 | }
|
|---|
| 1125 | $setdefault_action = 'UPDATE '.$table_quoted.' SET '.implode(', ', $default_values).' WHERE '.implode(' AND ', $conditions). ';';
|
|---|
| 1126 | }
|
|---|
| 1127 |
|
|---|
| 1128 | $query = 'CREATE TRIGGER %s'
|
|---|
| 1129 | .' %s ON '.$fkdef['references']['table']
|
|---|
| 1130 | .' FOR EACH ROW BEGIN '
|
|---|
| 1131 | .' SET FOREIGN_KEY_CHECKS = 0; '; //only really needed for ON UPDATE CASCADE
|
|---|
| 1132 |
|
|---|
| 1133 | if ('CASCADE' == $fkdef['onupdate']) {
|
|---|
| 1134 | $sql_update = sprintf($query, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update') . $cascade_action_update;
|
|---|
| 1135 | } elseif ('SET NULL' == $fkdef['onupdate']) {
|
|---|
| 1136 | $sql_update = sprintf($query, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update') . $setnull_action;
|
|---|
| 1137 | } elseif ('SET DEFAULT' == $fkdef['onupdate']) {
|
|---|
| 1138 | $sql_update = sprintf($query, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update') . $setdefault_action;
|
|---|
| 1139 | } elseif ('NO ACTION' == $fkdef['onupdate']) {
|
|---|
| 1140 | $sql_update = sprintf($query.$restrict_action, $trigger_names['pk_update'], 'AFTER UPDATE', 'update');
|
|---|
| 1141 | } elseif ('RESTRICT' == $fkdef['onupdate']) {
|
|---|
| 1142 | $sql_update = sprintf($query.$restrict_action, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update');
|
|---|
| 1143 | }
|
|---|
| 1144 | if ('CASCADE' == $fkdef['ondelete']) {
|
|---|
| 1145 | $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete') . $cascade_action_delete;
|
|---|
| 1146 | } elseif ('SET NULL' == $fkdef['ondelete']) {
|
|---|
| 1147 | $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete') . $setnull_action;
|
|---|
| 1148 | } elseif ('SET DEFAULT' == $fkdef['ondelete']) {
|
|---|
| 1149 | $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete') . $setdefault_action;
|
|---|
| 1150 | } elseif ('NO ACTION' == $fkdef['ondelete']) {
|
|---|
| 1151 | $sql_delete = sprintf($query.$restrict_action, $trigger_names['pk_delete'], 'AFTER DELETE', 'delete');
|
|---|
| 1152 | } elseif ('RESTRICT' == $fkdef['ondelete']) {
|
|---|
| 1153 | $sql_delete = sprintf($query.$restrict_action, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete');
|
|---|
| 1154 | }
|
|---|
| 1155 | $sql_update .= ' SET FOREIGN_KEY_CHECKS = 1; END;';
|
|---|
| 1156 | $sql_delete .= ' SET FOREIGN_KEY_CHECKS = 1; END;';
|
|---|
| 1157 |
|
|---|
| 1158 | $db->pushErrorHandling(PEAR_ERROR_RETURN);
|
|---|
| 1159 | $db->expectError(MDB2_ERROR_CANNOT_CREATE);
|
|---|
| 1160 | $result = $db->exec($sql_delete);
|
|---|
| 1161 | $expected_errmsg = 'This MySQL version doesn\'t support multiple triggers with the same action time and event for one table';
|
|---|
| 1162 | $db->popExpect();
|
|---|
| 1163 | $db->popErrorHandling();
|
|---|
| 1164 | if (PEAR::isError($result)) {
|
|---|
| 1165 | if ($result->getCode() != MDB2_ERROR_CANNOT_CREATE) {
|
|---|
| 1166 | return $result;
|
|---|
| 1167 | }
|
|---|
| 1168 | $db->warnings[] = $expected_errmsg;
|
|---|
| 1169 | }
|
|---|
| 1170 | $db->pushErrorHandling(PEAR_ERROR_RETURN);
|
|---|
| 1171 | $db->expectError(MDB2_ERROR_CANNOT_CREATE);
|
|---|
| 1172 | $result = $db->exec($sql_update);
|
|---|
| 1173 | $db->popExpect();
|
|---|
| 1174 | $db->popErrorHandling();
|
|---|
| 1175 | if (PEAR::isError($result) && $result->getCode() != MDB2_ERROR_CANNOT_CREATE) {
|
|---|
| 1176 | if ($result->getCode() != MDB2_ERROR_CANNOT_CREATE) {
|
|---|
| 1177 | return $result;
|
|---|
| 1178 | }
|
|---|
| 1179 | $db->warnings[] = $expected_errmsg;
|
|---|
| 1180 | }
|
|---|
| 1181 | }
|
|---|
| 1182 | }
|
|---|
| 1183 | return MDB2_OK;
|
|---|
| 1184 | }
|
|---|
| 1185 |
|
|---|
| 1186 | // }}}
|
|---|
| 1187 | // {{{ _dropFKTriggers()
|
|---|
| 1188 |
|
|---|
| 1189 | /**
|
|---|
| 1190 | * Drop the triggers created to enforce the FOREIGN KEY constraint on the table
|
|---|
| 1191 | *
|
|---|
| 1192 | * @param string $table table name
|
|---|
| 1193 | * @param string $fkname FOREIGN KEY constraint name
|
|---|
| 1194 | * @param string $referenced_table referenced table name
|
|---|
| 1195 | *
|
|---|
| 1196 | * @return mixed MDB2_OK on success, a MDB2 error on failure
|
|---|
| 1197 | * @access private
|
|---|
| 1198 | */
|
|---|
| 1199 | function _dropFKTriggers($table, $fkname, $referenced_table)
|
|---|
| 1200 | {
|
|---|
| 1201 | $db =& $this->getDBInstance();
|
|---|
| 1202 | if (PEAR::isError($db)) {
|
|---|
| 1203 | return $db;
|
|---|
| 1204 | }
|
|---|
| 1205 |
|
|---|
| 1206 | $triggers = $this->listTableTriggers($table);
|
|---|
| 1207 | $triggers2 = $this->listTableTriggers($referenced_table);
|
|---|
| 1208 | if (!PEAR::isError($triggers2) && !PEAR::isError($triggers)) {
|
|---|
| 1209 | $triggers = array_merge($triggers, $triggers2);
|
|---|
| 1210 | $pattern = '/^'.$fkname.'(_pk)?_(insert|update|delete)_trg$/i';
|
|---|
| 1211 | foreach ($triggers as $trigger) {
|
|---|
| 1212 | if (preg_match($pattern, $trigger)) {
|
|---|
| 1213 | $result = $db->exec('DROP TRIGGER '.$trigger);
|
|---|
| 1214 | if (PEAR::isError($result)) {
|
|---|
| 1215 | return $result;
|
|---|
| 1216 | }
|
|---|
| 1217 | }
|
|---|
| 1218 | }
|
|---|
| 1219 | }
|
|---|
| 1220 | return MDB2_OK;
|
|---|
| 1221 | }
|
|---|
| 1222 |
|
|---|
| 1223 | // }}}
|
|---|
| 1224 | // {{{ listTableConstraints()
|
|---|
| 1225 |
|
|---|
| 1226 | /**
|
|---|
| 1227 | * list all constraints in a table
|
|---|
| 1228 | *
|
|---|
| 1229 | * @param string $table name of table that should be used in method
|
|---|
| 1230 | * @return mixed array of constraint names on success, a MDB2 error on failure
|
|---|
| 1231 | * @access public
|
|---|
| 1232 | */
|
|---|
| 1233 | function listTableConstraints($table)
|
|---|
| 1234 | {
|
|---|
| 1235 | $db =& $this->getDBInstance();
|
|---|
| 1236 | if (PEAR::isError($db)) {
|
|---|
| 1237 | return $db;
|
|---|
| 1238 | }
|
|---|
| 1239 |
|
|---|
| 1240 | $key_name = 'Key_name';
|
|---|
| 1241 | $non_unique = 'Non_unique';
|
|---|
| 1242 | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
|
|---|
| 1243 | if ($db->options['field_case'] == CASE_LOWER) {
|
|---|
| 1244 | $key_name = strtolower($key_name);
|
|---|
| 1245 | $non_unique = strtolower($non_unique);
|
|---|
| 1246 | } else {
|
|---|
| 1247 | $key_name = strtoupper($key_name);
|
|---|
| 1248 | $non_unique = strtoupper($non_unique);
|
|---|
| 1249 | }
|
|---|
| 1250 | }
|
|---|
| 1251 |
|
|---|
| 1252 | $query = 'SHOW INDEX FROM ' . $db->quoteIdentifier($table, true);
|
|---|
| 1253 | $indexes = $db->queryAll($query, null, MDB2_FETCHMODE_ASSOC);
|
|---|
| 1254 | if (PEAR::isError($indexes)) {
|
|---|
| 1255 | return $indexes;
|
|---|
| 1256 | }
|
|---|
| 1257 |
|
|---|
| 1258 | $result = array();
|
|---|
| 1259 | foreach ($indexes as $index_data) {
|
|---|
| 1260 | if (!$index_data[$non_unique]) {
|
|---|
| 1261 | if ($index_data[$key_name] !== 'PRIMARY') {
|
|---|
| 1262 | $index = $this->_fixIndexName($index_data[$key_name]);
|
|---|
| 1263 | } else {
|
|---|
| 1264 | $index = 'PRIMARY';
|
|---|
| 1265 | }
|
|---|
| 1266 | if (!empty($index)) {
|
|---|
| 1267 | $result[$index] = true;
|
|---|
| 1268 | }
|
|---|
| 1269 | }
|
|---|
| 1270 | }
|
|---|
| 1271 |
|
|---|
| 1272 | //list FOREIGN KEY constraints...
|
|---|
| 1273 | $query = 'SHOW CREATE TABLE '. $db->escape($table);
|
|---|
| 1274 | $definition = $db->queryOne($query, 'text', 1);
|
|---|
| 1275 | if (!PEAR::isError($definition) && !empty($definition)) {
|
|---|
| 1276 | $pattern = '/\bCONSTRAINT\b\s+([^\s]+)\s+\bFOREIGN KEY\b/Uims';
|
|---|
| 1277 | if (preg_match_all($pattern, str_replace('`', '', $definition), $matches) > 0) {
|
|---|
| 1278 | foreach ($matches[1] as $constraint) {
|
|---|
| 1279 | $result[$constraint] = true;
|
|---|
| 1280 | }
|
|---|
| 1281 | }
|
|---|
| 1282 | }
|
|---|
| 1283 |
|
|---|
| 1284 | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
|
|---|
| 1285 | $result = array_change_key_case($result, $db->options['field_case']);
|
|---|
| 1286 | }
|
|---|
| 1287 | return array_keys($result);
|
|---|
| 1288 | }
|
|---|
| 1289 |
|
|---|
| 1290 | // }}}
|
|---|
| 1291 | // {{{ createSequence()
|
|---|
| 1292 |
|
|---|
| 1293 | /**
|
|---|
| 1294 | * create sequence
|
|---|
| 1295 | *
|
|---|
| 1296 | * @param string $seq_name name of the sequence to be created
|
|---|
| 1297 | * @param string $start start value of the sequence; default is 1
|
|---|
| 1298 | * @param array $options An associative array of table options:
|
|---|
| 1299 | * array(
|
|---|
| 1300 | * 'comment' => 'Foo',
|
|---|
| 1301 | * 'charset' => 'utf8',
|
|---|
| 1302 | * 'collate' => 'utf8_unicode_ci',
|
|---|
| 1303 | * 'type' => 'innodb',
|
|---|
| 1304 | * );
|
|---|
| 1305 | * @return mixed MDB2_OK on success, a MDB2 error on failure
|
|---|
| 1306 | * @access public
|
|---|
| 1307 | */
|
|---|
| 1308 | function createSequence($seq_name, $start = 1, $options = array())
|
|---|
| 1309 | {
|
|---|
| 1310 | $db =& $this->getDBInstance();
|
|---|
| 1311 | if (PEAR::isError($db)) {
|
|---|
| 1312 | return $db;
|
|---|
| 1313 | }
|
|---|
| 1314 |
|
|---|
| 1315 | $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
|
|---|
| 1316 | $seqcol_name = $db->quoteIdentifier($db->options['seqcol_name'], true);
|
|---|
| 1317 |
|
|---|
| 1318 | $options_strings = array();
|
|---|
| 1319 |
|
|---|
| 1320 | if (!empty($options['comment'])) {
|
|---|
| 1321 | $options_strings['comment'] = 'COMMENT = '.$db->quote($options['comment'], 'text');
|
|---|
| 1322 | }
|
|---|
| 1323 |
|
|---|
| 1324 | if (!empty($options['charset'])) {
|
|---|
| 1325 | $options_strings['charset'] = 'DEFAULT CHARACTER SET '.$options['charset'];
|
|---|
| 1326 | if (!empty($options['collate'])) {
|
|---|
| 1327 | $options_strings['charset'].= ' COLLATE '.$options['collate'];
|
|---|
| 1328 | }
|
|---|
| 1329 | }
|
|---|
| 1330 |
|
|---|
| 1331 | $type = false;
|
|---|
| 1332 | if (!empty($options['type'])) {
|
|---|
| 1333 | $type = $options['type'];
|
|---|
| 1334 | } elseif ($db->options['default_table_type']) {
|
|---|
| 1335 | $type = $db->options['default_table_type'];
|
|---|
| 1336 | }
|
|---|
| 1337 | if ($type) {
|
|---|
| 1338 | $options_strings[] = "ENGINE = $type";
|
|---|
| 1339 | }
|
|---|
| 1340 |
|
|---|
| 1341 | $query = "CREATE TABLE $sequence_name ($seqcol_name INT NOT NULL AUTO_INCREMENT, PRIMARY KEY ($seqcol_name))";
|
|---|
| 1342 | if (!empty($options_strings)) {
|
|---|
| 1343 | $query .= ' '.implode(' ', $options_strings);
|
|---|
| 1344 | }
|
|---|
| 1345 | $res = $db->exec($query);
|
|---|
| 1346 | if (PEAR::isError($res)) {
|
|---|
| 1347 | return $res;
|
|---|
| 1348 | }
|
|---|
| 1349 |
|
|---|
| 1350 | if ($start == 1) {
|
|---|
| 1351 | return MDB2_OK;
|
|---|
| 1352 | }
|
|---|
| 1353 |
|
|---|
| 1354 | $query = "INSERT INTO $sequence_name ($seqcol_name) VALUES (".($start-1).')';
|
|---|
| 1355 | $res = $db->exec($query);
|
|---|
| 1356 | if (!PEAR::isError($res)) {
|
|---|
| 1357 | return MDB2_OK;
|
|---|
| 1358 | }
|
|---|
| 1359 |
|
|---|
| 1360 | // Handle error
|
|---|
| 1361 | $result = $db->exec("DROP TABLE $sequence_name");
|
|---|
| 1362 | if (PEAR::isError($result)) {
|
|---|
| 1363 | return $db->raiseError($result, null, null,
|
|---|
| 1364 | 'could not drop inconsistent sequence table', __FUNCTION__);
|
|---|
| 1365 | }
|
|---|
| 1366 |
|
|---|
| 1367 | return $db->raiseError($res, null, null,
|
|---|
| 1368 | 'could not create sequence table', __FUNCTION__);
|
|---|
| 1369 | }
|
|---|
| 1370 |
|
|---|
| 1371 | // }}}
|
|---|
| 1372 | // {{{ dropSequence()
|
|---|
| 1373 |
|
|---|
| 1374 | /**
|
|---|
| 1375 | * drop existing sequence
|
|---|
| 1376 | *
|
|---|
| 1377 | * @param string $seq_name name of the sequence to be dropped
|
|---|
| 1378 | * @return mixed MDB2_OK on success, a MDB2 error on failure
|
|---|
| 1379 | * @access public
|
|---|
| 1380 | */
|
|---|
| 1381 | function dropSequence($seq_name)
|
|---|
| 1382 | {
|
|---|
| 1383 | $db =& $this->getDBInstance();
|
|---|
| 1384 | if (PEAR::isError($db)) {
|
|---|
| 1385 | return $db;
|
|---|
| 1386 | }
|
|---|
| 1387 |
|
|---|
| 1388 | $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
|
|---|
| 1389 | return $db->exec("DROP TABLE $sequence_name");
|
|---|
| 1390 | }
|
|---|
| 1391 |
|
|---|
| 1392 | // }}}
|
|---|
| 1393 | // {{{ listSequences()
|
|---|
| 1394 |
|
|---|
| 1395 | /**
|
|---|
| 1396 | * list all sequences in the current database
|
|---|
| 1397 | *
|
|---|
| 1398 | * @param string database, the current is default
|
|---|
| 1399 | * @return mixed array of sequence names on success, a MDB2 error on failure
|
|---|
| 1400 | * @access public
|
|---|
| 1401 | */
|
|---|
| 1402 | function listSequences($database = null)
|
|---|
| 1403 | {
|
|---|
| 1404 | $db =& $this->getDBInstance();
|
|---|
| 1405 | if (PEAR::isError($db)) {
|
|---|
| 1406 | return $db;
|
|---|
| 1407 | }
|
|---|
| 1408 |
|
|---|
| 1409 | $query = "SHOW TABLES";
|
|---|
| 1410 | if (!is_null($database)) {
|
|---|
| 1411 | $query .= " FROM $database";
|
|---|
| 1412 | }
|
|---|
| 1413 | $table_names = $db->queryCol($query);
|
|---|
| 1414 | if (PEAR::isError($table_names)) {
|
|---|
| 1415 | return $table_names;
|
|---|
| 1416 | }
|
|---|
| 1417 |
|
|---|
| 1418 | $result = array();
|
|---|
| 1419 | foreach ($table_names as $table_name) {
|
|---|
| 1420 | if ($sqn = $this->_fixSequenceName($table_name, true)) {
|
|---|
| 1421 | $result[] = $sqn;
|
|---|
| 1422 | }
|
|---|
| 1423 | }
|
|---|
| 1424 | if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
|
|---|
| 1425 | $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
|
|---|
| 1426 | }
|
|---|
| 1427 | return $result;
|
|---|
| 1428 | }
|
|---|
| 1429 |
|
|---|
| 1430 | // }}}
|
|---|
| 1431 | }
|
|---|
| 1432 | ?> |
|---|