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