Core/src/Database/drivers/pdo/subdrivers/pdo_ibm_forge.php

152 lines
3.5 KiB
PHP

<?php
/**
* FuzeWorks.
*
* The FuzeWorks MVC PHP FrameWork
*
* Copyright (C) 2015 TechFuze
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @author TechFuze
* @copyright Copyright (c) 2013 - 2016, Techfuze. (http://techfuze.net)
* @copyright Copyright (c) 1996 - 2015, Free Software Foundation, Inc. (http://www.fsf.org/)
* @license http://opensource.org/licenses/GPL-3.0 GPLv3 License
*
* @link http://techfuze.net/fuzeworks
* @since Version 0.0.1
*
* @version Version 1.0.0
*/
/**
* PDO IBM DB2 Forge Class
*
* Converted from CodeIgniter.
*
* @package FuzeWorks
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
* @license http://opensource.org/licenses/MIT MIT License
*/
class FW_DB_pdo_ibm_forge extends FW_DB_pdo_forge {
/**
* RENAME TABLE IF statement
*
* @var string
*/
protected $_rename_table = 'RENAME TABLE %s TO %s';
/**
* UNSIGNED support
*
* @var array
*/
protected $_unsigned = array(
'SMALLINT' => 'INTEGER',
'INT' => 'BIGINT',
'INTEGER' => 'BIGINT'
);
/**
* DEFAULT value representation in CREATE/ALTER TABLE statements
*
* @var string
*/
protected $_default = FALSE;
// --------------------------------------------------------------------
/**
* ALTER TABLE
*
* @param string $alter_type ALTER type
* @param string $table Table name
* @param mixed $field Column definition
* @return string|string[]
*/
protected function _alter_table($alter_type, $table, $field)
{
if ($alter_type === 'CHANGE')
{
$alter_type = 'MODIFY';
}
return parent::_alter_table($alter_type, $table, $field);
}
// --------------------------------------------------------------------
/**
* Field attribute TYPE
*
* Performs a data type mapping between different databases.
*
* @param array &$attributes
* @return void
*/
protected function _attr_type(&$attributes)
{
switch (strtoupper($attributes['TYPE']))
{
case 'TINYINT':
$attributes['TYPE'] = 'SMALLINT';
$attributes['UNSIGNED'] = FALSE;
return;
case 'MEDIUMINT':
$attributes['TYPE'] = 'INTEGER';
$attributes['UNSIGNED'] = FALSE;
return;
default: return;
}
}
// --------------------------------------------------------------------
/**
* Field attribute UNIQUE
*
* @param array &$attributes
* @param array &$field
* @return void
*/
protected function _attr_unique(&$attributes, &$field)
{
if ( ! empty($attributes['UNIQUE']) && $attributes['UNIQUE'] === TRUE)
{
$field['unique'] = ' UNIQUE';
// UNIQUE must be used with NOT NULL
$field['null'] = ' NOT NULL';
}
}
// --------------------------------------------------------------------
/**
* Field attribute AUTO_INCREMENT
*
* @param array &$attributes
* @param array &$field
* @return void
*/
protected function _attr_auto_increment(&$attributes, &$field)
{
// Not supported
}
}