kopia lustrzana https://github.com/magicbug/Cloudlog
155 wiersze
4.0 KiB
PHP
155 wiersze
4.0 KiB
PHP
<?php
|
|
/**
|
|
* CodeIgniter
|
|
*
|
|
* An open source application development framework for PHP
|
|
*
|
|
* This content is released under the MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2014 - 2019, British Columbia Institute of Technology
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*
|
|
* @package CodeIgniter
|
|
* @author EllisLab Dev Team
|
|
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
|
|
* @copyright Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/)
|
|
* @license https://opensource.org/licenses/MIT MIT License
|
|
* @link https://codeigniter.com
|
|
* @since Version 3.0.0
|
|
* @filesource
|
|
*/
|
|
defined('BASEPATH') OR exit('No direct script access allowed');
|
|
|
|
/**
|
|
* PDO IBM DB2 Forge Class
|
|
*
|
|
* @category Database
|
|
* @author EllisLab Dev Team
|
|
* @link https://codeigniter.com/userguide3/database/
|
|
*/
|
|
class CI_DB_pdo_ibm_forge extends CI_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
|
|
}
|
|
|
|
}
|