mirror of
https://github.com/Dolibarr/dolibarr.git
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544 lines
21 KiB
PHP
544 lines
21 KiB
PHP
<?php
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// +----------------------------------------------------------------------+
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// | PHP versions 4 and 5 |
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// +----------------------------------------------------------------------+
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// | Copyright (c) 1998-2006 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: Frank M. Kromann <frank@kromann.info> |
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// +----------------------------------------------------------------------+
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//
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// $Id$
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//
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require_once 'MDB2/Driver/Manager/Common.php';
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// {{{ class MDB2_Driver_Manager_mssql
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/**
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* MDB2 MSSQL 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 Frank M. Kromann <frank@kromann.info>
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* @author David Coallier <davidc@php.net>
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*/
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class MDB2_Driver_Manager_mssql extends MDB2_Driver_Manager_Common
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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 $name";
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if ($db->options['database_device']) {
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$query.= ' ON '.$db->options['database_device'];
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$query.= $db->options['database_size'] ? '=' .
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$db->options['database_size'] : '';
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}
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return $db->standaloneQuery($query, null, true);
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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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return $db->standaloneQuery("DROP DATABASE $name", null, true);
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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 Metabase 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 Metabase 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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break;
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case 'remove':
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break;
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case 'name':
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case 'rename':
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case 'change':
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default:
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return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null,
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'alterTable: change type "'.$change_name.'" not yet supported');
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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($changes['add']) && is_array($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 COLUMN ' . $field_name;
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}
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}
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if (!$query) {
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return MDB2_OK;
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}
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$name = $db->quoteIdentifier($name, true);
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return $db->exec("ALTER TABLE $name $query");
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}
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// }}}
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// {{{ listTables()
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/**
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* list all tables in the current database
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*
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* @return mixed data array on success, a MDB2 error on failure
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* @access public
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*/
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function listTables()
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{
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$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 = 'EXEC sp_tables @table_type = "\'TABLE\'"';
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$table_names = $db->queryCol($query, null, 2);
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if (PEAR::isError($table_names)) {
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return $table_names;
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}
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$result = array();
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foreach ($table_names as $table_name) {
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if (!$this->_fixSequenceName($table_name, true)) {
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$result[] = $table_name;
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}
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}
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if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
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$result = array_map(($db->options['field_case'] == CASE_LOWER ?
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'strtolower' : 'strtoupper'), $result);
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}
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return $result;
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}
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// }}}
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// {{{ listTableFields()
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/**
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* list all fields in a tables in the current database
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*
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* @param string $table name of table that should be used in method
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* @return mixed data array on success, a MDB2 error on failure
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* @access public
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*/
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function listTableFields($table)
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{
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$db =& $this->getDBInstance();
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if (PEAR::isError($db)) {
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return $db;
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}
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$table = $db->quoteIdentifier($table, true);
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$db->setLimit(1);
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$result2 = $db->query("SELECT * FROM $table");
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if (PEAR::isError($result2)) {
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return $result2;
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}
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$result = $result2->getColumnNames();
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$result2->free();
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if (PEAR::isError($result)) {
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return $result;
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}
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return array_flip($result);
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}
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// }}}
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// {{{ listTableIndexes()
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/**
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* list all indexes in a table
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*
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* @param string $table name of table that should be used in method
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* @return mixed data array on success, a MDB2 error on failure
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* @access public
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*/
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function listTableIndexes($table)
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{
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$db =& $this->getDBInstance();
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if (PEAR::isError($db)) {
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return $db;
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}
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$key_name = 'INDEX_NAME';
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$pk_name = 'PK_NAME';
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if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
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if ($db->options['field_case'] == CASE_LOWER) {
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$key_name = strtolower($key_name);
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$pk_name = strtolower($pk_name);
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} else {
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$key_name = strtoupper($key_name);
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$pk_name = strtoupper($pk_name);
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}
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}
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$table = $db->quote($table, 'text');
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$query = "EXEC sp_statistics @table_name=$table";
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$indexes = $db->queryCol($query, 'text', $key_name);
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if (PEAR::isError($indexes)) {
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return $indexes;
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}
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$query = "EXEC sp_pkeys @table_name=$table";
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$pk_all = $db->queryCol($query, 'text', $pk_name);
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$result = array();
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foreach ($indexes as $index) {
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if (!in_array($index, $pk_all) && $index != null) {
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$result[$this->_fixIndexName($index)] = true;
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}
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}
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if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
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$result = array_change_key_case($result, $db->options['field_case']);
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}
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return array_keys($result);
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}
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// }}}
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// {{{ listTableTriggers()
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/**
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* This function will be called to
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* display all the triggers from the current
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* database ($db->getDatabase()).
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*
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* @access public
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* @param string $table The name of the table from the
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* previous database to query against.
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* @return mixed Array of the triggers if the query
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* is successful, otherwise, false which
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* could be a db error if the db is not
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* instantiated or could be the results
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* of the error that occured during the
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* query'ing of the sysobject module.
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*/
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function listTableTriggers($table = null)
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{
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$db =& $this->getDBInstance();
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if (PEAR::isError($db)) {
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return $db;
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}
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$table = $db->quote($table, 'text');
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$query = "SELECT name FROM sysobjects WHERE xtype = 'TR'";
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if (!is_null($table)) {
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$query .= "AND object_name(parent_obj) = $table";
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}
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$result = $db->queryCol($query);
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if (PEAR::isError($results)) {
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return $result;
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}
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if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE &&
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$db->options['field_case'] == CASE_LOWER)
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{
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$result = array_map(($db->options['field_case'] == CASE_LOWER ?
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'strtolower' : 'strtoupper'), $result);
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}
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return $result;
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}
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// }}}
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// {{{ listViews()
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/**
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* This function is a simple method that lists
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* all the views that are set on a db instance
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* (The db connected to it)
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*
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* @access public
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* @return mixed Error on failure or array of views for a database.
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*/
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function listViews()
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{
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$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 = "SELECT name
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FROM sysobjects
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WHERE xtype = 'V'";
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$result = $db->queryCol($query);
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if (PEAR::isError($results)) {
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return $result;
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}
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if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE &&
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$db->options['field_case'] == CASE_LOWER)
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{
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$result = array_map(($db->options['field_case'] == CASE_LOWER ?
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'strtolower' : 'strtoupper'), $result);
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}
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return $result;
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}
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// }}}
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// {{{ createSequence()
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/**
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* create sequence
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*
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* @param string $seq_name name of the sequence to be created
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* @param string $start start value of the sequence; default is 1
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* @return mixed MDB2_OK on success, a MDB2 error on failure
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* @access public
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*/
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function createSequence($seq_name, $start = 1)
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{
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$db =& $this->getDBInstance();
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if (PEAR::isError($db)) {
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return $db;
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}
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$sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
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$seqcol_name = $db->quoteIdentifier($db->options['seqcol_name'], true);
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$query = "CREATE TABLE $sequence_name ($seqcol_name " .
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"INT PRIMARY KEY CLUSTERED IDENTITY($start,1) NOT NULL)";
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$res = $db->exec($query);
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if (PEAR::isError($res)) {
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return $res;
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}
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if ($start == 1) {
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return MDB2_OK;
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}
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$query = "SET IDENTITY_INSERT $sequence_name ON ".
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"INSERT INTO $sequence_name ($seqcol_name) VALUES ($start)";
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$res = $db->exec($query);
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if (!PEAR::isError($res)) {
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return MDB2_OK;
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}
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$result = $db->exec("DROP TABLE $sequence_name");
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if (PEAR::isError($result)) {
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return $db->raiseError($result, null, null,
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'createSequence: could not drop inconsistent sequence table');
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}
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return $db->raiseError($res, null, null,
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'createSequence: could not create sequence table');
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}
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// }}}
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// {{{ dropSequence()
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/**
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* This function drops an existing sequence
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*
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* @param string $seq_name name of the sequence to be dropped
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* @return mixed MDB2_OK on success, a MDB2 error on failure
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* @access public
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*/
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function dropSequence($seq_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 $db;
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}
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$sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
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return $db->exec("DROP TABLE $sequence_name");
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}
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// }}}
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// {{{ listSequences()
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/**
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* list all sequences in the current database
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*
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* @return mixed data array on success, a MDB2 error on failure
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* @access public
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*/
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function listSequences()
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{
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$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 = "SELECT name FROM sysobjects WHERE xtype = 'U'";
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$table_names = $db->queryCol($query);
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if (PEAR::isError($table_names)) {
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return $table_names;
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}
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$result = array();
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foreach ($table_names as $table_name) {
|
|
if ($sqn = $this->_fixSequenceName($table_name, true)) {
|
|
$result[] = $sqn;
|
|
}
|
|
}
|
|
if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
|
|
$result = array_map(($db->options['field_case'] == CASE_LOWER ?
|
|
'strtolower' : 'strtoupper'), $result);
|
|
}
|
|
return $result;
|
|
}
|
|
// }}}
|
|
}
|
|
// }}}
|
|
?>
|