<?php
/**
* CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
* Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
*
* Licensed under The MIT License
* For full copyright and license information, please see the LICENSE.txt
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
* @link https://cakephp.org CakePHP(tm) Project
* @since 3.0.0
* @license https://opensource.org/licenses/mit-license.php MIT License
*/
namespace Cake\Database\Dialect;
use Cake\Database\Schema\MysqlSchema;
use Cake\Database\SqlDialectTrait;
/**
* Contains functions that encapsulates the SQL dialect used by MySQL,
* including query translators and schema introspection.
*
* @internal
*/
trait MysqlDialectTrait
{
use SqlDialectTrait;
/**
* String used to start a database identifier quoting to make it safe
*
* @var string
*/
protected $_startQuote = '`';
/**
* String used to end a database identifier quoting to make it safe
*
* @var string
*/
protected $_endQuote = '`';
/**
* The schema dialect class for this driver
*
* @var \Cake\Database\Schema\MysqlSchema
*/
protected $_schemaDialect;
/**
* Get the schema dialect.
*
* Used by Cake\Database\Schema package to reflect schema and
* generate schema.
*
* @return \Cake\Database\Schema\MysqlSchema
*/
public function schemaDialect()
{
if (!$this->_schemaDialect) {
$this->_schemaDialect = new MysqlSchema($this);
}
return $this->_schemaDialect;
}
/**
* {@inheritDoc}
*/
public function disableForeignKeySQL()
{
return 'SET foreign_key_checks = 0';
}
/**
* {@inheritDoc}
*/
public function enableForeignKeySQL()
{
return 'SET foreign_key_checks = 1';
}
}