forked from mirrors/easyappointments
149 lines
4.2 KiB
PHP
149 lines
4.2 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 SQLSRV Forge Class
|
|
*
|
|
* @category Database
|
|
* @author EllisLab Dev Team
|
|
* @link https://codeigniter.com/userguide3/database/
|
|
*/
|
|
class CI_DB_pdo_sqlsrv_forge extends CI_DB_pdo_forge {
|
|
|
|
/**
|
|
* CREATE TABLE IF statement
|
|
*
|
|
* @var string
|
|
*/
|
|
protected $_create_table_if = "IF NOT EXISTS (SELECT * FROM sysobjects WHERE ID = object_id(N'%s') AND OBJECTPROPERTY(id, N'IsUserTable') = 1)\nCREATE TABLE";
|
|
|
|
/**
|
|
* DROP TABLE IF statement
|
|
*
|
|
* @var string
|
|
*/
|
|
protected $_drop_table_if = "IF EXISTS (SELECT * FROM sysobjects WHERE ID = object_id(N'%s') AND OBJECTPROPERTY(id, N'IsUserTable') = 1)\nDROP TABLE";
|
|
|
|
/**
|
|
* UNSIGNED support
|
|
*
|
|
* @var array
|
|
*/
|
|
protected $_unsigned = array(
|
|
'TINYINT' => 'SMALLINT',
|
|
'SMALLINT' => 'INT',
|
|
'INT' => 'BIGINT',
|
|
'REAL' => 'FLOAT'
|
|
);
|
|
|
|
// --------------------------------------------------------------------
|
|
|
|
/**
|
|
* 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, $field)
|
|
{
|
|
if (in_array($alter_type, array('ADD', 'DROP'), TRUE))
|
|
{
|
|
return parent::_alter_table($alter_type, $table, $field);
|
|
}
|
|
|
|
$sql = 'ALTER TABLE '.$this->db->escape_identifiers($table).' ALTER COLUMN ';
|
|
$sqls = array();
|
|
for ($i = 0, $c = count($field); $i < $c; $i++)
|
|
{
|
|
$sqls[] = $sql.$this->_process_column($field[$i]);
|
|
}
|
|
|
|
return $sqls;
|
|
}
|
|
|
|
// --------------------------------------------------------------------
|
|
|
|
/**
|
|
* Field attribute TYPE
|
|
*
|
|
* Performs a data type mapping between different databases.
|
|
*
|
|
* @param array &$attributes
|
|
* @return void
|
|
*/
|
|
protected function _attr_type(&$attributes)
|
|
{
|
|
if (isset($attributes['CONSTRAINT']) && strpos($attributes['TYPE'], 'INT') !== FALSE)
|
|
{
|
|
unset($attributes['CONSTRAINT']);
|
|
}
|
|
|
|
switch (strtoupper($attributes['TYPE']))
|
|
{
|
|
case 'MEDIUMINT':
|
|
$attributes['TYPE'] = 'INTEGER';
|
|
$attributes['UNSIGNED'] = FALSE;
|
|
return;
|
|
case 'INTEGER':
|
|
$attributes['TYPE'] = 'INT';
|
|
return;
|
|
default: return;
|
|
}
|
|
}
|
|
|
|
// --------------------------------------------------------------------
|
|
|
|
/**
|
|
* Field attribute AUTO_INCREMENT
|
|
*
|
|
* @param array &$attributes
|
|
* @param array &$field
|
|
* @return void
|
|
*/
|
|
protected function _attr_auto_increment(&$attributes, &$field)
|
|
{
|
|
if ( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE && stripos($field['type'], 'int') !== FALSE)
|
|
{
|
|
$field['auto_increment'] = ' IDENTITY(1,1)';
|
|
}
|
|
}
|
|
|
|
}
|