canyin-project/ybcy/vendor/yiisoft/yii2/db/ForeignKeyConstraint.php
2024-11-01 16:07:54 +08:00

39 lines
937 B
PHP

<?php
/**
* @link http://www.yiiframework.com/
* @copyright Copyright (c) 2008 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
namespace yii\db;
/**
* ForeignKeyConstraint represents the metadata of a table `FOREIGN KEY` constraint.
*
* @author Sergey Makinen <sergey@makinen.ru>
* @since 2.0.13
*/
class ForeignKeyConstraint extends Constraint
{
/**
* @var string|null referenced table schema name.
*/
public $foreignSchemaName;
/**
* @var string referenced table name.
*/
public $foreignTableName;
/**
* @var string[] list of referenced table column names.
*/
public $foreignColumnNames;
/**
* @var string|null referential action if rows in a referenced table are to be updated.
*/
public $onUpdate;
/**
* @var string|null referential action if rows in a referenced table are to be deleted.
*/
public $onDelete;
}