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<?php
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// +----------------------------------------------------------------------+
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// | PHP versions 4 and 5 |
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// +----------------------------------------------------------------------+
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// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
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// | Stig. S. Bakken, Lukas Smith |
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// | All rights reserved. |
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// +----------------------------------------------------------------------+
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// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
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// | API as well as database abstraction for PHP applications. |
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// | This LICENSE is in the BSD license style. |
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// | |
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// | Redistribution and use in source and binary forms, with or without |
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// | modification, are permitted provided that the following conditions |
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// | are met: |
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// | |
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// | Redistributions of source code must retain the above copyright |
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// | notice, this list of conditions and the following disclaimer. |
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// | |
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// | Redistributions in binary form must reproduce the above copyright |
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// | notice, this list of conditions and the following disclaimer in the |
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// | documentation and/or other materials provided with the distribution. |
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// | |
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// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
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// | Lukas Smith nor the names of his contributors may be used to endorse |
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// | or promote products derived from this software without specific prior|
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// | written permission. |
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// | |
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// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
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// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
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// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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// | POSSIBILITY OF SUCH DAMAGE. |
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// +----------------------------------------------------------------------+
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// | Author: Lukas Smith <smith@pooteeweet.org> |
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// +----------------------------------------------------------------------+
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//
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// $Id: mysql.php,v 1.94 2007/03/04 22:50:16 quipo Exp $
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//
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require_once 'MDB2/Driver/Manager/Common.php';
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/**
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* MDB2 MySQL driver for the management modules
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*
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* @package MDB2
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* @category Database
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* @author Lukas Smith <smith@pooteeweet.org>
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*/
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class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common
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{
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// }}}
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// {{{ createDatabase()
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/**
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* create a new database
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*
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* @param string $name name of the database that should be created
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* @return mixed MDB2_OK on success, a MDB2 error on failure
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* @access public
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*/
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function createDatabase($name)
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{
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$db =& $this->getDBInstance();
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if (PEAR::isError($db)) {
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return $db;
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}
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$name = $db->quoteIdentifier($name, true);
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$query = "CREATE DATABASE $name";
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$result = $db->exec($query);
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if (PEAR::isError($result)) {
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return $result;
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}
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return MDB2_OK;
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}
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// }}}
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// {{{ dropDatabase()
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/**
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* drop an existing database
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*
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* @param string $name name of the database that should be dropped
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* @return mixed MDB2_OK on success, a MDB2 error on failure
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* @access public
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*/
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function dropDatabase($name)
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{
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$db =& $this->getDBInstance();
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if (PEAR::isError($db)) {
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return $db;
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}
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$name = $db->quoteIdentifier($name, true);
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$query = "DROP DATABASE $name";
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$result = $db->exec($query);
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if (PEAR::isError($result)) {
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return $result;
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}
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return MDB2_OK;
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}
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// }}}
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// {{{ createTable()
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/**
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* create a new table
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*
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* @param string $name Name of the database that should be created
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* @param array $fields Associative array that contains the definition of each field of the new table
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* The indexes of the array entries are the names of the fields of the table an
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* the array entry values are associative arrays like those that are meant to be
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* passed with the field definitions to get[Type]Declaration() functions.
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* array(
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* 'id' => array(
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* 'type' => 'integer',
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* 'unsigned' => 1
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* 'notnull' => 1
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* 'default' => 0
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* ),
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* 'name' => array(
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* 'type' => 'text',
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* 'length' => 12
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* ),
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* 'password' => array(
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* 'type' => 'text',
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* 'length' => 12
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* )
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* );
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* @param array $options An associative array of table options:
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* array(
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* 'comment' => 'Foo',
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* 'charset' => 'utf8',
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* 'collate' => 'utf8_unicode_ci',
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* 'type' => 'innodb',
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* );
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*
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* @return mixed MDB2_OK on success, a MDB2 error on failure
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* @access public
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*/
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function createTable($name, $fields, $options = array())
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{
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$db =& $this->getDBInstance();
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if (PEAR::isError($db)) {
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return $db;
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}
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$query = $this->_getCreateTableQuery($name, $fields, $options);
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if (PEAR::isError($query)) {
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return $query;
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}
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$options_strings = array();
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if (!empty($options['comment'])) {
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$options_strings['comment'] = 'COMMENT = '.$db->quote($options['comment'], 'text');
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}
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if (!empty($options['charset'])) {
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$options_strings['charset'] = 'DEFAULT CHARACTER SET '.$options['charset'];
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if (!empty($options['collate'])) {
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$options_strings['charset'].= ' COLLATE '.$options['collate'];
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}
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}
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$type = false;
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if (!empty($options['type'])) {
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$type = $options['type'];
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} elseif ($db->options['default_table_type']) {
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$type = $db->options['default_table_type'];
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}
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if ($type) {
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$options_strings[] = "ENGINE = $type";
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}
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if (!empty($options_strings)) {
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$query .= ' '.implode(' ', $options_strings);
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}
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return $db->exec($query);
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}
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// }}}
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// {{{ alterTable()
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/**
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* alter an existing table
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*
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* @param string $name name of the table that is intended to be changed.
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* @param array $changes associative array that contains the details of each type
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* of change that is intended to be performed. The types of
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* changes that are currently supported are defined as follows:
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*
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* name
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*
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* New name for the table.
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*
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* add
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*
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* Associative array with the names of fields to be added as
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* indexes of the array. The value of each entry of the array
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* should be set to another associative array with the properties
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* of the fields to be added. The properties of the fields should
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* be the same as defined by the MDB2 parser.
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*
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*
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* remove
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*
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* Associative array with the names of fields to be removed as indexes
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* of the array. Currently the values assigned to each entry are ignored.
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* An empty array should be used for future compatibility.
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*
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* rename
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*
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* Associative array with the names of fields to be renamed as indexes
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* of the array. The value of each entry of the array should be set to
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* another associative array with the entry named name with the new
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* field name and the entry named Declaration that is expected to contain
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* the portion of the field declaration already in DBMS specific SQL code
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* as it is used in the CREATE TABLE statement.
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*
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* change
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*
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* Associative array with the names of the fields to be changed as indexes
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* of the array. Keep in mind that if it is intended to change either the
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* name of a field and any other properties, the change array entries
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* should have the new names of the fields as array indexes.
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*
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* The value of each entry of the array should be set to another associative
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* array with the properties of the fields to that are meant to be changed as
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* array entries. These entries should be assigned to the new values of the
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* respective properties. The properties of the fields should be the same
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* as defined by the MDB2 parser.
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*
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* Example
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* array(
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* 'name' => 'userlist',
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* 'add' => array(
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* 'quota' => array(
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* 'type' => 'integer',
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* 'unsigned' => 1
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* )
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* ),
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* 'remove' => array(
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* 'file_limit' => array(),
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* 'time_limit' => array()
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* ),
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* 'change' => array(
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* 'name' => array(
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* 'length' => '20',
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* 'definition' => array(
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* 'type' => 'text',
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* 'length' => 20,
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* ),
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* )
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* ),
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* 'rename' => array(
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* 'sex' => array(
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* 'name' => 'gender',
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* 'definition' => array(
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* 'type' => 'text',
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* 'length' => 1,
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* 'default' => 'M',
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* ),
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* )
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* )
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* )
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*
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* @param boolean $check indicates whether the function should just check if the DBMS driver
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* can perform the requested table alterations if the value is true or
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* actually perform them otherwise.
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* @access public
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*
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* @return mixed MDB2_OK on success, a MDB2 error on failure
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*/
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function alterTable($name, $changes, $check)
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{
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$db =& $this->getDBInstance();
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if (PEAR::isError($db)) {
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return $db;
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}
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foreach ($changes as $change_name => $change) {
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switch ($change_name) {
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case 'add':
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case 'remove':
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case 'change':
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case 'rename':
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case 'name':
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break;
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default:
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return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null,
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'change type "'.$change_name.'" not yet supported', __FUNCTION__);
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}
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}
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if ($check) {
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return MDB2_OK;
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}
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$query = '';
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if (!empty($changes['name'])) {
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$change_name = $db->quoteIdentifier($changes['name'], true);
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$query .= 'RENAME TO ' . $change_name;
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}
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if (!empty($changes['add']) && is_array($changes['add'])) {
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foreach ($changes['add'] as $field_name => $field) {
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if ($query) {
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$query.= ', ';
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}
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$query.= 'ADD ' . $db->getDeclaration($field['type'], $field_name, $field);
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}
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}
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if (!empty($changes['remove']) && is_array($changes['remove'])) {
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foreach ($changes['remove'] as $field_name => $field) {
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if ($query) {
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$query.= ', ';
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}
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$field_name = $db->quoteIdentifier($field_name, true);
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$query.= 'DROP ' . $field_name;
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}
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}
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$rename = array();
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if (!empty($changes['rename']) && is_array($changes['rename'])) {
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foreach ($changes['rename'] as $field_name => $field) {
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$rename[$field['name']] = $field_name;
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}
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}
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if (!empty($changes['change']) && is_array($changes['change'])) {
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foreach ($changes['change'] as $field_name => $field) {
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if ($query) {
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$query.= ', ';
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}
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if (isset($rename[$field_name])) {
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$old_field_name = $rename[$field_name];
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unset($rename[$field_name]);
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} else {
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$old_field_name = $field_name;
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}
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$old_field_name = $db->quoteIdentifier($old_field_name, true);
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$query.= "CHANGE $old_field_name " . $db->getDeclaration($field['definition']['type'], $field_name, $field['definition']);
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}
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}
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if (!empty($rename) && is_array($rename)) {
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foreach ($rename as $rename_name => $renamed_field) {
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if ($query) {
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$query.= ', ';
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}
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$field = $changes['rename'][$renamed_field];
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$renamed_field = $db->quoteIdentifier($renamed_field, true);
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|
364 |
$query.= 'CHANGE ' . $renamed_field . ' ' . $db->getDeclaration($field['definition']['type'], $field['name'], $field['definition']);
|
|
|
365 |
}
|
|
|
366 |
}
|
|
|
367 |
|
|
|
368 |
if (!$query) {
|
|
|
369 |
return MDB2_OK;
|
|
|
370 |
}
|
|
|
371 |
|
|
|
372 |
$name = $db->quoteIdentifier($name, true);
|
|
|
373 |
return $db->exec("ALTER TABLE $name $query");
|
|
|
374 |
}
|
|
|
375 |
|
|
|
376 |
// }}}
|
|
|
377 |
// {{{ listDatabases()
|
|
|
378 |
|
|
|
379 |
/**
|
|
|
380 |
* list all databases
|
|
|
381 |
*
|
|
|
382 |
* @return mixed array of database names on success, a MDB2 error on failure
|
|
|
383 |
* @access public
|
|
|
384 |
*/
|
|
|
385 |
function listDatabases()
|
|
|
386 |
{
|
|
|
387 |
$db =& $this->getDBInstance();
|
|
|
388 |
if (PEAR::isError($db)) {
|
|
|
389 |
return $db;
|
|
|
390 |
}
|
|
|
391 |
|
|
|
392 |
$result = $db->queryCol('SHOW DATABASES');
|
|
|
393 |
if (PEAR::isError($result)) {
|
|
|
394 |
return $result;
|
|
|
395 |
}
|
|
|
396 |
if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
|
|
|
397 |
$result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
|
|
|
398 |
}
|
|
|
399 |
return $result;
|
|
|
400 |
}
|
|
|
401 |
|
|
|
402 |
// }}}
|
|
|
403 |
// {{{ listUsers()
|
|
|
404 |
|
|
|
405 |
/**
|
|
|
406 |
* list all users
|
|
|
407 |
*
|
|
|
408 |
* @return mixed array of user names on success, a MDB2 error on failure
|
|
|
409 |
* @access public
|
|
|
410 |
*/
|
|
|
411 |
function listUsers()
|
|
|
412 |
{
|
|
|
413 |
$db =& $this->getDBInstance();
|
|
|
414 |
if (PEAR::isError($db)) {
|
|
|
415 |
return $db;
|
|
|
416 |
}
|
|
|
417 |
|
|
|
418 |
return $db->queryCol('SELECT DISTINCT USER FROM mysql.USER');
|
|
|
419 |
}
|
|
|
420 |
|
|
|
421 |
// }}}
|
|
|
422 |
// {{{ listFunctions()
|
|
|
423 |
|
|
|
424 |
/**
|
|
|
425 |
* list all functions in the current database
|
|
|
426 |
*
|
|
|
427 |
* @return mixed array of function names on success, a MDB2 error on failure
|
|
|
428 |
* @access public
|
|
|
429 |
*/
|
|
|
430 |
function listFunctions()
|
|
|
431 |
{
|
|
|
432 |
$db =& $this->getDBInstance();
|
|
|
433 |
if (PEAR::isError($db)) {
|
|
|
434 |
return $db;
|
|
|
435 |
}
|
|
|
436 |
|
|
|
437 |
$query = "SELECT name FROM mysql.proc";
|
|
|
438 |
/*
|
|
|
439 |
SELECT ROUTINE_NAME
|
|
|
440 |
FROM INFORMATION_SCHEMA.ROUTINES
|
|
|
441 |
WHERE ROUTINE_TYPE = 'FUNCTION'
|
|
|
442 |
*/
|
|
|
443 |
$result = $db->queryCol($query);
|
|
|
444 |
if (PEAR::isError($result)) {
|
|
|
445 |
return $result;
|
|
|
446 |
}
|
|
|
447 |
if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
|
|
|
448 |
$result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
|
|
|
449 |
}
|
|
|
450 |
return $result;
|
|
|
451 |
}
|
|
|
452 |
|
|
|
453 |
// }}}
|
|
|
454 |
// {{{ listTableTriggers()
|
|
|
455 |
|
|
|
456 |
/**
|
|
|
457 |
* list all triggers in the database that reference a given table
|
|
|
458 |
*
|
|
|
459 |
* @param string table for which all referenced triggers should be found
|
|
|
460 |
* @return mixed array of trigger names on success, a MDB2 error on failure
|
|
|
461 |
* @access public
|
|
|
462 |
*/
|
|
|
463 |
function listTableTriggers($table = null)
|
|
|
464 |
{
|
|
|
465 |
$db =& $this->getDBInstance();
|
|
|
466 |
if (PEAR::isError($db)) {
|
|
|
467 |
return $db;
|
|
|
468 |
}
|
|
|
469 |
|
|
|
470 |
$query = 'SHOW TRIGGERS';
|
|
|
471 |
if (!is_null($table)) {
|
|
|
472 |
$table = $db->quote($table, 'text');
|
|
|
473 |
$query .= " LIKE $table";
|
|
|
474 |
}
|
|
|
475 |
$result = $db->queryCol($query);
|
|
|
476 |
if (PEAR::isError($result)) {
|
|
|
477 |
return $result;
|
|
|
478 |
}
|
|
|
479 |
if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
|
|
|
480 |
$result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
|
|
|
481 |
}
|
|
|
482 |
return $result;
|
|
|
483 |
}
|
|
|
484 |
|
|
|
485 |
// }}}
|
|
|
486 |
// {{{ listTables()
|
|
|
487 |
|
|
|
488 |
/**
|
|
|
489 |
* list all tables in the current database
|
|
|
490 |
*
|
|
|
491 |
* @param string database, the current is default
|
|
|
492 |
* @return mixed array of table names on success, a MDB2 error on failure
|
|
|
493 |
* @access public
|
|
|
494 |
*/
|
|
|
495 |
function listTables($database = null)
|
|
|
496 |
{
|
|
|
497 |
$db =& $this->getDBInstance();
|
|
|
498 |
if (PEAR::isError($db)) {
|
|
|
499 |
return $db;
|
|
|
500 |
}
|
|
|
501 |
|
|
|
502 |
$query = "SHOW /*!50002 FULL*/ TABLES";
|
|
|
503 |
if (!is_null($database)) {
|
|
|
504 |
$query .= " FROM $database";
|
|
|
505 |
}
|
|
|
506 |
$query.= "/*!50002 WHERE Table_type = 'BASE TABLE'*/";
|
|
|
507 |
|
|
|
508 |
$table_names = $db->queryAll($query, null, MDB2_FETCHMODE_ORDERED);
|
|
|
509 |
if (PEAR::isError($table_names)) {
|
|
|
510 |
return $table_names;
|
|
|
511 |
}
|
|
|
512 |
|
|
|
513 |
$result = array();
|
|
|
514 |
foreach ($table_names as $table) {
|
|
|
515 |
if (!$this->_fixSequenceName($table[0], true)) {
|
|
|
516 |
$result[] = $table[0];
|
|
|
517 |
}
|
|
|
518 |
}
|
|
|
519 |
if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
|
|
|
520 |
$result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
|
|
|
521 |
}
|
|
|
522 |
return $result;
|
|
|
523 |
}
|
|
|
524 |
|
|
|
525 |
// }}}
|
|
|
526 |
// {{{ listViews()
|
|
|
527 |
|
|
|
528 |
/**
|
|
|
529 |
* list all views in the current database
|
|
|
530 |
*
|
|
|
531 |
* @param string database, the current is default
|
|
|
532 |
* @return mixed array of view names on success, a MDB2 error on failure
|
|
|
533 |
* @access public
|
|
|
534 |
*/
|
|
|
535 |
function listViews($database = null)
|
|
|
536 |
{
|
|
|
537 |
$db =& $this->getDBInstance();
|
|
|
538 |
if (PEAR::isError($db)) {
|
|
|
539 |
return $db;
|
|
|
540 |
}
|
|
|
541 |
|
|
|
542 |
$query = 'SHOW FULL TABLES';
|
|
|
543 |
if (!is_null($database)) {
|
|
|
544 |
$query.= " FROM $database";
|
|
|
545 |
}
|
|
|
546 |
$query.= " WHERE Table_type = 'VIEW'";
|
|
|
547 |
|
|
|
548 |
$result = $db->queryCol($query);
|
|
|
549 |
if (PEAR::isError($result)) {
|
|
|
550 |
return $result;
|
|
|
551 |
}
|
|
|
552 |
|
|
|
553 |
if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
|
|
|
554 |
$result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
|
|
|
555 |
}
|
|
|
556 |
return $result;
|
|
|
557 |
}
|
|
|
558 |
|
|
|
559 |
// }}}
|
|
|
560 |
// {{{ listTableFields()
|
|
|
561 |
|
|
|
562 |
/**
|
|
|
563 |
* list all fields in a table in the current database
|
|
|
564 |
*
|
|
|
565 |
* @param string $table name of table that should be used in method
|
|
|
566 |
* @return mixed array of field names on success, a MDB2 error on failure
|
|
|
567 |
* @access public
|
|
|
568 |
*/
|
|
|
569 |
function listTableFields($table)
|
|
|
570 |
{
|
|
|
571 |
$db =& $this->getDBInstance();
|
|
|
572 |
if (PEAR::isError($db)) {
|
|
|
573 |
return $db;
|
|
|
574 |
}
|
|
|
575 |
|
|
|
576 |
$table = $db->quoteIdentifier($table, true);
|
|
|
577 |
$result = $db->queryCol("SHOW COLUMNS FROM $table");
|
|
|
578 |
if (PEAR::isError($result)) {
|
|
|
579 |
return $result;
|
|
|
580 |
}
|
|
|
581 |
if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
|
|
|
582 |
$result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
|
|
|
583 |
}
|
|
|
584 |
return $result;
|
|
|
585 |
}
|
|
|
586 |
|
|
|
587 |
// }}}
|
|
|
588 |
// {{{ createIndex()
|
|
|
589 |
|
|
|
590 |
/**
|
|
|
591 |
* Get the stucture of a field into an array
|
|
|
592 |
*
|
|
|
593 |
* @author Leoncx
|
|
|
594 |
* @param string $table name of the table on which the index is to be created
|
|
|
595 |
* @param string $name name of the index to be created
|
|
|
596 |
* @param array $definition associative array that defines properties of the index to be created.
|
|
|
597 |
* Currently, only one property named FIELDS is supported. This property
|
|
|
598 |
* is also an associative with the names of the index fields as array
|
|
|
599 |
* indexes. Each entry of this array is set to another type of associative
|
|
|
600 |
* array that specifies properties of the index that are specific to
|
|
|
601 |
* each field.
|
|
|
602 |
*
|
|
|
603 |
* Currently, only the sorting property is supported. It should be used
|
|
|
604 |
* to define the sorting direction of the index. It may be set to either
|
|
|
605 |
* ascending or descending.
|
|
|
606 |
*
|
|
|
607 |
* Not all DBMS support index sorting direction configuration. The DBMS
|
|
|
608 |
* drivers of those that do not support it ignore this property. Use the
|
|
|
609 |
* function supports() to determine whether the DBMS driver can manage indexes.
|
|
|
610 |
*
|
|
|
611 |
* Example
|
|
|
612 |
* array(
|
|
|
613 |
* 'fields' => array(
|
|
|
614 |
* 'user_name' => array(
|
|
|
615 |
* 'sorting' => 'ascending'
|
|
|
616 |
* 'length' => 10
|
|
|
617 |
* ),
|
|
|
618 |
* 'last_login' => array()
|
|
|
619 |
* )
|
|
|
620 |
* )
|
|
|
621 |
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
|
622 |
* @access public
|
|
|
623 |
*/
|
|
|
624 |
function createIndex($table, $name, $definition)
|
|
|
625 |
{
|
|
|
626 |
$db =& $this->getDBInstance();
|
|
|
627 |
if (PEAR::isError($db)) {
|
|
|
628 |
return $db;
|
|
|
629 |
}
|
|
|
630 |
|
|
|
631 |
$table = $db->quoteIdentifier($table, true);
|
|
|
632 |
$name = $db->quoteIdentifier($db->getIndexName($name), true);
|
|
|
633 |
$query = "CREATE INDEX $name ON $table";
|
|
|
634 |
$fields = array();
|
|
|
635 |
foreach ($definition['fields'] as $field => $fieldinfo) {
|
|
|
636 |
if (!empty($fieldinfo['length'])) {
|
|
|
637 |
$fields[] = $db->quoteIdentifier($field, true) . '(' . $fieldinfo['length'] . ')';
|
|
|
638 |
} else {
|
|
|
639 |
$fields[] = $db->quoteIdentifier($field, true);
|
|
|
640 |
}
|
|
|
641 |
}
|
|
|
642 |
$query .= ' ('. implode(', ', $fields) . ')';
|
|
|
643 |
return $db->exec($query);
|
|
|
644 |
}
|
|
|
645 |
|
|
|
646 |
// }}}
|
|
|
647 |
// {{{ dropIndex()
|
|
|
648 |
|
|
|
649 |
/**
|
|
|
650 |
* drop existing index
|
|
|
651 |
*
|
|
|
652 |
* @param string $table name of table that should be used in method
|
|
|
653 |
* @param string $name name of the index to be dropped
|
|
|
654 |
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
|
655 |
* @access public
|
|
|
656 |
*/
|
|
|
657 |
function dropIndex($table, $name)
|
|
|
658 |
{
|
|
|
659 |
$db =& $this->getDBInstance();
|
|
|
660 |
if (PEAR::isError($db)) {
|
|
|
661 |
return $db;
|
|
|
662 |
}
|
|
|
663 |
|
|
|
664 |
$table = $db->quoteIdentifier($table, true);
|
|
|
665 |
$name = $db->quoteIdentifier($db->getIndexName($name), true);
|
|
|
666 |
return $db->exec("DROP INDEX $name ON $table");
|
|
|
667 |
}
|
|
|
668 |
|
|
|
669 |
// }}}
|
|
|
670 |
// {{{ listTableIndexes()
|
|
|
671 |
|
|
|
672 |
/**
|
|
|
673 |
* list all indexes in a table
|
|
|
674 |
*
|
|
|
675 |
* @param string $table name of table that should be used in method
|
|
|
676 |
* @return mixed array of index names on success, a MDB2 error on failure
|
|
|
677 |
* @access public
|
|
|
678 |
*/
|
|
|
679 |
function listTableIndexes($table)
|
|
|
680 |
{
|
|
|
681 |
$db =& $this->getDBInstance();
|
|
|
682 |
if (PEAR::isError($db)) {
|
|
|
683 |
return $db;
|
|
|
684 |
}
|
|
|
685 |
|
|
|
686 |
$key_name = 'Key_name';
|
|
|
687 |
$non_unique = 'Non_unique';
|
|
|
688 |
if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
|
|
|
689 |
if ($db->options['field_case'] == CASE_LOWER) {
|
|
|
690 |
$key_name = strtolower($key_name);
|
|
|
691 |
$non_unique = strtolower($non_unique);
|
|
|
692 |
} else {
|
|
|
693 |
$key_name = strtoupper($key_name);
|
|
|
694 |
$non_unique = strtoupper($non_unique);
|
|
|
695 |
}
|
|
|
696 |
}
|
|
|
697 |
|
|
|
698 |
$table = $db->quoteIdentifier($table, true);
|
|
|
699 |
$query = "SHOW INDEX FROM $table";
|
|
|
700 |
$indexes = $db->queryAll($query, null, MDB2_FETCHMODE_ASSOC);
|
|
|
701 |
if (PEAR::isError($indexes)) {
|
|
|
702 |
return $indexes;
|
|
|
703 |
}
|
|
|
704 |
|
|
|
705 |
$result = array();
|
|
|
706 |
foreach ($indexes as $index_data) {
|
|
|
707 |
if ($index_data[$non_unique] && ($index = $this->_fixIndexName($index_data[$key_name]))) {
|
|
|
708 |
$result[$index] = true;
|
|
|
709 |
}
|
|
|
710 |
}
|
|
|
711 |
|
|
|
712 |
if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
|
|
|
713 |
$result = array_change_key_case($result, $db->options['field_case']);
|
|
|
714 |
}
|
|
|
715 |
return array_keys($result);
|
|
|
716 |
}
|
|
|
717 |
|
|
|
718 |
// }}}
|
|
|
719 |
// {{{ createConstraint()
|
|
|
720 |
|
|
|
721 |
/**
|
|
|
722 |
* create a constraint on a table
|
|
|
723 |
*
|
|
|
724 |
* @param string $table name of the table on which the constraint is to be created
|
|
|
725 |
* @param string $name name of the constraint to be created
|
|
|
726 |
* @param array $definition associative array that defines properties of the constraint to be created.
|
|
|
727 |
* Currently, only one property named FIELDS is supported. This property
|
|
|
728 |
* is also an associative with the names of the constraint fields as array
|
|
|
729 |
* constraints. Each entry of this array is set to another type of associative
|
|
|
730 |
* array that specifies properties of the constraint that are specific to
|
|
|
731 |
* each field.
|
|
|
732 |
*
|
|
|
733 |
* Example
|
|
|
734 |
* array(
|
|
|
735 |
* 'fields' => array(
|
|
|
736 |
* 'user_name' => array(),
|
|
|
737 |
* 'last_login' => array()
|
|
|
738 |
* )
|
|
|
739 |
* )
|
|
|
740 |
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
|
741 |
* @access public
|
|
|
742 |
*/
|
|
|
743 |
function createConstraint($table, $name, $definition)
|
|
|
744 |
{
|
|
|
745 |
$db =& $this->getDBInstance();
|
|
|
746 |
if (PEAR::isError($db)) {
|
|
|
747 |
return $db;
|
|
|
748 |
}
|
|
|
749 |
|
|
|
750 |
$type = '';
|
|
|
751 |
$name = $db->quoteIdentifier($db->getIndexName($name), true);
|
|
|
752 |
if (!empty($definition['primary'])) {
|
|
|
753 |
$type = 'PRIMARY';
|
|
|
754 |
$name = 'KEY';
|
|
|
755 |
} elseif (!empty($definition['unique'])) {
|
|
|
756 |
$type = 'UNIQUE';
|
|
|
757 |
}
|
|
|
758 |
if (empty($type)) {
|
|
|
759 |
return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
|
|
|
760 |
'invalid definition, could not create constraint', __FUNCTION__);
|
|
|
761 |
}
|
|
|
762 |
|
|
|
763 |
$table = $db->quoteIdentifier($table, true);
|
|
|
764 |
$query = "ALTER TABLE $table ADD $type $name";
|
|
|
765 |
$fields = array();
|
|
|
766 |
foreach (array_keys($definition['fields']) as $field) {
|
|
|
767 |
$fields[] = $db->quoteIdentifier($field, true);
|
|
|
768 |
}
|
|
|
769 |
$query .= ' ('. implode(', ', $fields) . ')';
|
|
|
770 |
return $db->exec($query);
|
|
|
771 |
}
|
|
|
772 |
|
|
|
773 |
// }}}
|
|
|
774 |
// {{{ dropConstraint()
|
|
|
775 |
|
|
|
776 |
/**
|
|
|
777 |
* drop existing constraint
|
|
|
778 |
*
|
|
|
779 |
* @param string $table name of table that should be used in method
|
|
|
780 |
* @param string $name name of the constraint to be dropped
|
|
|
781 |
* @param string $primary hint if the constraint is primary
|
|
|
782 |
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
|
783 |
* @access public
|
|
|
784 |
*/
|
|
|
785 |
function dropConstraint($table, $name, $primary = false)
|
|
|
786 |
{
|
|
|
787 |
$db =& $this->getDBInstance();
|
|
|
788 |
if (PEAR::isError($db)) {
|
|
|
789 |
return $db;
|
|
|
790 |
}
|
|
|
791 |
|
|
|
792 |
$table = $db->quoteIdentifier($table, true);
|
|
|
793 |
if ($primary || strtolower($name) == 'primary') {
|
|
|
794 |
$query = "ALTER TABLE $table DROP PRIMARY KEY";
|
|
|
795 |
} else {
|
|
|
796 |
$name = $db->quoteIdentifier($db->getIndexName($name), true);
|
|
|
797 |
$query = "ALTER TABLE $table DROP INDEX $name";
|
|
|
798 |
}
|
|
|
799 |
return $db->exec($query);
|
|
|
800 |
}
|
|
|
801 |
|
|
|
802 |
// }}}
|
|
|
803 |
// {{{ listTableConstraints()
|
|
|
804 |
|
|
|
805 |
/**
|
|
|
806 |
* list all constraints in a table
|
|
|
807 |
*
|
|
|
808 |
* @param string $table name of table that should be used in method
|
|
|
809 |
* @return mixed array of constraint names on success, a MDB2 error on failure
|
|
|
810 |
* @access public
|
|
|
811 |
*/
|
|
|
812 |
function listTableConstraints($table)
|
|
|
813 |
{
|
|
|
814 |
$db =& $this->getDBInstance();
|
|
|
815 |
if (PEAR::isError($db)) {
|
|
|
816 |
return $db;
|
|
|
817 |
}
|
|
|
818 |
|
|
|
819 |
$key_name = 'Key_name';
|
|
|
820 |
$non_unique = 'Non_unique';
|
|
|
821 |
if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
|
|
|
822 |
if ($db->options['field_case'] == CASE_LOWER) {
|
|
|
823 |
$key_name = strtolower($key_name);
|
|
|
824 |
$non_unique = strtolower($non_unique);
|
|
|
825 |
} else {
|
|
|
826 |
$key_name = strtoupper($key_name);
|
|
|
827 |
$non_unique = strtoupper($non_unique);
|
|
|
828 |
}
|
|
|
829 |
}
|
|
|
830 |
|
|
|
831 |
$table = $db->quoteIdentifier($table, true);
|
|
|
832 |
$query = "SHOW INDEX FROM $table";
|
|
|
833 |
$indexes = $db->queryAll($query, null, MDB2_FETCHMODE_ASSOC);
|
|
|
834 |
if (PEAR::isError($indexes)) {
|
|
|
835 |
return $indexes;
|
|
|
836 |
}
|
|
|
837 |
|
|
|
838 |
$result = array();
|
|
|
839 |
foreach ($indexes as $index_data) {
|
|
|
840 |
if (!$index_data[$non_unique]) {
|
|
|
841 |
if ($index_data[$key_name] !== 'PRIMARY') {
|
|
|
842 |
$index = $this->_fixIndexName($index_data[$key_name]);
|
|
|
843 |
} else {
|
|
|
844 |
$index = 'PRIMARY';
|
|
|
845 |
}
|
|
|
846 |
if (!empty($index)) {
|
|
|
847 |
$result[$index] = true;
|
|
|
848 |
}
|
|
|
849 |
}
|
|
|
850 |
}
|
|
|
851 |
|
|
|
852 |
if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
|
|
|
853 |
$result = array_change_key_case($result, $db->options['field_case']);
|
|
|
854 |
}
|
|
|
855 |
return array_keys($result);
|
|
|
856 |
}
|
|
|
857 |
|
|
|
858 |
// }}}
|
|
|
859 |
// {{{ createSequence()
|
|
|
860 |
|
|
|
861 |
/**
|
|
|
862 |
* create sequence
|
|
|
863 |
*
|
|
|
864 |
* @param string $seq_name name of the sequence to be created
|
|
|
865 |
* @param string $start start value of the sequence; default is 1
|
|
|
866 |
* @param array $options An associative array of table options:
|
|
|
867 |
* array(
|
|
|
868 |
* 'comment' => 'Foo',
|
|
|
869 |
* 'charset' => 'utf8',
|
|
|
870 |
* 'collate' => 'utf8_unicode_ci',
|
|
|
871 |
* 'type' => 'innodb',
|
|
|
872 |
* );
|
|
|
873 |
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
|
874 |
* @access public
|
|
|
875 |
*/
|
|
|
876 |
function createSequence($seq_name, $start = 1, $options = array())
|
|
|
877 |
{
|
|
|
878 |
$db =& $this->getDBInstance();
|
|
|
879 |
if (PEAR::isError($db)) {
|
|
|
880 |
return $db;
|
|
|
881 |
}
|
|
|
882 |
|
|
|
883 |
$sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
|
|
|
884 |
$seqcol_name = $db->quoteIdentifier($db->options['seqcol_name'], true);
|
|
|
885 |
|
|
|
886 |
$options_strings = array();
|
|
|
887 |
|
|
|
888 |
if (!empty($options['comment'])) {
|
|
|
889 |
$options_strings['comment'] = 'COMMENT = '.$db->quote($options['comment'], 'text');
|
|
|
890 |
}
|
|
|
891 |
|
|
|
892 |
if (!empty($options['charset'])) {
|
|
|
893 |
$options_strings['charset'] = 'DEFAULT CHARACTER SET '.$options['charset'];
|
|
|
894 |
if (!empty($options['collate'])) {
|
|
|
895 |
$options_strings['charset'].= ' COLLATE '.$options['collate'];
|
|
|
896 |
}
|
|
|
897 |
}
|
|
|
898 |
|
|
|
899 |
$type = false;
|
|
|
900 |
if (!empty($options['type'])) {
|
|
|
901 |
$type = $options['type'];
|
|
|
902 |
} elseif ($db->options['default_table_type']) {
|
|
|
903 |
$type = $db->options['default_table_type'];
|
|
|
904 |
}
|
|
|
905 |
if ($type) {
|
|
|
906 |
$options_strings[] = "ENGINE = $type";
|
|
|
907 |
}
|
|
|
908 |
|
|
|
909 |
$query = "CREATE TABLE $sequence_name ($seqcol_name INT NOT NULL AUTO_INCREMENT, PRIMARY KEY ($seqcol_name))";
|
|
|
910 |
if (!empty($options_strings)) {
|
|
|
911 |
$query .= ' '.implode(' ', $options_strings);
|
|
|
912 |
}
|
|
|
913 |
$res = $db->exec($query);
|
|
|
914 |
|
|
|
915 |
if (PEAR::isError($res)) {
|
|
|
916 |
return $res;
|
|
|
917 |
}
|
|
|
918 |
|
|
|
919 |
if ($start == 1) {
|
|
|
920 |
return MDB2_OK;
|
|
|
921 |
}
|
|
|
922 |
|
|
|
923 |
$query = "INSERT INTO $sequence_name ($seqcol_name) VALUES (".($start-1).')';
|
|
|
924 |
$res = $db->exec($query);
|
|
|
925 |
if (!PEAR::isError($res)) {
|
|
|
926 |
return MDB2_OK;
|
|
|
927 |
}
|
|
|
928 |
|
|
|
929 |
// Handle error
|
|
|
930 |
$result = $db->exec("DROP TABLE $sequence_name");
|
|
|
931 |
if (PEAR::isError($result)) {
|
|
|
932 |
return $db->raiseError($result, null, null,
|
|
|
933 |
'could not drop inconsistent sequence table', __FUNCTION__);
|
|
|
934 |
}
|
|
|
935 |
|
|
|
936 |
return $db->raiseError($res, null, null,
|
|
|
937 |
'could not create sequence table', __FUNCTION__);
|
|
|
938 |
}
|
|
|
939 |
|
|
|
940 |
// }}}
|
|
|
941 |
// {{{ dropSequence()
|
|
|
942 |
|
|
|
943 |
/**
|
|
|
944 |
* drop existing sequence
|
|
|
945 |
*
|
|
|
946 |
* @param string $seq_name name of the sequence to be dropped
|
|
|
947 |
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
|
948 |
* @access public
|
|
|
949 |
*/
|
|
|
950 |
function dropSequence($seq_name)
|
|
|
951 |
{
|
|
|
952 |
$db =& $this->getDBInstance();
|
|
|
953 |
if (PEAR::isError($db)) {
|
|
|
954 |
return $db;
|
|
|
955 |
}
|
|
|
956 |
|
|
|
957 |
$sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
|
|
|
958 |
return $db->exec("DROP TABLE $sequence_name");
|
|
|
959 |
}
|
|
|
960 |
|
|
|
961 |
// }}}
|
|
|
962 |
// {{{ listSequences()
|
|
|
963 |
|
|
|
964 |
/**
|
|
|
965 |
* list all sequences in the current database
|
|
|
966 |
*
|
|
|
967 |
* @param string database, the current is default
|
|
|
968 |
* @return mixed array of sequence names on success, a MDB2 error on failure
|
|
|
969 |
* @access public
|
|
|
970 |
*/
|
|
|
971 |
function listSequences($database = null)
|
|
|
972 |
{
|
|
|
973 |
$db =& $this->getDBInstance();
|
|
|
974 |
if (PEAR::isError($db)) {
|
|
|
975 |
return $db;
|
|
|
976 |
}
|
|
|
977 |
|
|
|
978 |
$query = "SHOW TABLES";
|
|
|
979 |
if (!is_null($database)) {
|
|
|
980 |
$query .= " FROM $database";
|
|
|
981 |
}
|
|
|
982 |
$table_names = $db->queryCol($query);
|
|
|
983 |
if (PEAR::isError($table_names)) {
|
|
|
984 |
return $table_names;
|
|
|
985 |
}
|
|
|
986 |
|
|
|
987 |
$result = array();
|
|
|
988 |
foreach ($table_names as $table_name) {
|
|
|
989 |
if ($sqn = $this->_fixSequenceName($table_name, true)) {
|
|
|
990 |
$result[] = $sqn;
|
|
|
991 |
}
|
|
|
992 |
}
|
|
|
993 |
if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
|
|
|
994 |
$result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
|
|
|
995 |
}
|
|
|
996 |
return $result;
|
|
|
997 |
}
|
|
|
998 |
|
|
|
999 |
// }}}
|
|
|
1000 |
}
|
|
|
1001 |
?>
|