DELIMITER $$
CREATE OR REPLACE DEFINER=`root`@`localhost` TRIGGER `vn`.`town_beforeInsert`
	BEFORE INSERT ON `town`
	FOR EACH ROW
BEGIN
    SET NEW.geoFk = zoneGeo_new('town', NEW.`name`,
		(SELECT geoFk FROM province WHERE id = NEW.provinceFk));
END$$
DELIMITER ;