Class yii\db\ForeignKeyConstraint

Inheritanceyii\db\ForeignKeyConstraint » yii\db\Constraint » yii\base\BaseObject
Implementsyii\base\Configurable
Available since version2.0.13
Source Code https://github.com/yiisoft/yii2/blob/master/framework/db/ForeignKeyConstraint.php

ForeignKeyConstraint represents the metadata of a table FOREIGN KEY constraint.

Public Properties

Hide inherited properties

PropertyTypeDescriptionDefined By
$columnNames string[]|null List of column names the constraint belongs to. yii\db\Constraint
$foreignColumnNames string[] List of referenced table column names. yii\db\ForeignKeyConstraint
$foreignSchemaName string|null Referenced table schema name. yii\db\ForeignKeyConstraint
$foreignTableName string Referenced table name. yii\db\ForeignKeyConstraint
$name string|null The constraint name. yii\db\Constraint
$onDelete string|null Referential action if rows in a referenced table are to be deleted. yii\db\ForeignKeyConstraint
$onUpdate string|null Referential action if rows in a referenced table are to be updated. yii\db\ForeignKeyConstraint

Public Methods

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MethodDescriptionDefined By
__call() Calls the named method which is not a class method. yii\base\BaseObject
__construct() Constructor. yii\base\BaseObject
__get() Returns the value of an object property. yii\base\BaseObject
__isset() Checks if a property is set, i.e. defined and not null. yii\base\BaseObject
__set() Sets value of an object property. yii\base\BaseObject
__unset() Sets an object property to null. yii\base\BaseObject
canGetProperty() Returns a value indicating whether a property can be read. yii\base\BaseObject
canSetProperty() Returns a value indicating whether a property can be set. yii\base\BaseObject
className() Returns the fully qualified name of this class. yii\base\BaseObject
hasMethod() Returns a value indicating whether a method is defined. yii\base\BaseObject
hasProperty() Returns a value indicating whether a property is defined. yii\base\BaseObject
init() Initializes the object. yii\base\BaseObject

Property Details

$foreignColumnNames public property

List of referenced table column names.

public string[] $foreignColumnNames null
$foreignSchemaName public property

Referenced table schema name.

$foreignTableName public property

Referenced table name.

public string $foreignTableName null
$onDelete public property

Referential action if rows in a referenced table are to be deleted.

public string|null $onDelete null
$onUpdate public property

Referential action if rows in a referenced table are to be updated.

public string|null $onUpdate null