public function randomizeOrder(BaseStatement $statement){
		switch($this->driverName){
			case 'mysql':
			case 'pgsql':
				$random = 'RAND()';

			case 'sqlite':
			case 'sqlite2':
				$random = 'RANDOM()';

			case 'odbc':
				$random = 'Rnd(id)';

			case 'oci':
				$random = 'dbms_random.value';

			case 'mssql':
				$random = 'NEWID()';
		}
		$statement->order($random);
	}