/**
* Add a foreign key.
*
* @param string $referenceTable Referenced table name.
* @param string $referenceColumns Columns of referenced table.
* @param array $options Optional options.
*
* @return TableApi Self.
*/
public function addForeignKey($referenceTable, $referenceColumns, array $options = [])
{
$schema = isset($options['schema']) ? new Schema($options['schema']) : null;
$foreignKey = new ForeignKey($this, new Table($referenceTable, $schema));
$foreignKey->setReferencedColumns($referenceColumns);
if (isset($options['column'])) {
$foreignKey->setColumns($options['column']);
} else {
$foreignKey->setColumns($referenceColumns);
}
if (isset($options['update'])) {
$foreignKey->setUpdateAction($options['update']);
}
if (isset($options['delete'])) {
$foreignKey->setDeleteAction($options['delete']);
}
$this->actions[] = function () use($foreignKey) {
return $this->manipulation->create($foreignKey);
};
return $this;
}
