Storm\Drivers\Platforms\Mysql\Syncing\DatabaseBuilder::MapForeignKeyMode PHP Метод

    private function MapForeignKeyMode($Mode)
    {
        switch ($Mode) {
            case 'NO ACTION':
                return Traits\ForeignKeyMode::NoAction;
            case 'SET NULL':
                return Traits\ForeignKeyMode::SetNull;
            case 'CASCADE':
                return Traits\ForeignKeyMode::Cascade;
            default:
                throw new \Storm\Drivers\Base\Relational\PlatformException('Unknown foreing key mode: %s', $Mode);
        }
    }