DELIMITER $$
CREATE OR REPLACE DEFINER=`vn`@`localhost` TRIGGER `vn`.`item_beforeUpdate`
	BEFORE UPDATE ON `item`
	FOR EACH ROW
BEGIN
	DECLARE vNewPackingShelve INT;

	SET NEW.editorFk = account.myUser_getId();
	
	IF NEW.itemPackingTypeFk = '' THEN
		SET NEW.itemPackingTypeFk = NULL;
	END IF;
END$$
DELIMITER ;