ConstraintsInterface
in
Defines the interface for a fixture that needs to manage constraints.
If an implementation of Cake\Datasource\FixtureInterface also implements
this interface, the FixtureManager will use these methods to manage
a fixtures constraints.
Table of Contents
Methods
- createConstraints() : bool
- Build and execute SQL queries necessary to create the constraints for the fixture
- dropConstraints() : bool
- Build and execute SQL queries necessary to drop the constraints for the fixture
Methods
createConstraints()
Build and execute SQL queries necessary to create the constraints for the fixture
public
createConstraints(ConnectionInterface $connection) : bool
Parameters
- $connection : ConnectionInterface
-
An instance of the database into which the constraints will be created.
Return values
bool —on success or if there are no constraints to create, or false on failure
dropConstraints()
Build and execute SQL queries necessary to drop the constraints for the fixture
public
dropConstraints(ConnectionInterface $connection) : bool
Parameters
- $connection : ConnectionInterface
-
An instance of the database into which the constraints will be dropped.
Return values
bool —on success or if there are no constraints to drop, or false on failure