DELIMITER $$
CREATE OR REPLACE DEFINER=`vn`@`localhost` TRIGGER `vn`.`operator_beforeUpdate`
	BEFORE UPDATE ON `operator`
	FOR EACH ROW
BEGIN
	IF NOT (NEW.labelerFk <=> OLD.labelerFk AND NEW.sectorFk <=> OLD.sectorFk) THEN
		CALL vn.printer_checkSector(NEW.labelerFk, NEW.sectorFk);
	END IF;
END$$
DELIMITER ;