salix/db/routines/vn/triggers/department_beforeDelete.sql

14 lines
305 B
SQL

DELIMITER $$
CREATE OR REPLACE DEFINER=`vn`@`localhost` TRIGGER `vn`.`department_beforeDelete`
BEFORE DELETE ON `department`
FOR EACH ROW
BEGIN
UPDATE vn.business b
JOIN vn.department d ON d.id = b.departmentFk
SET b.departmentFk = d.parentFk
WHERE b.departmentFk = OLD.id;
END$$
DELIMITER ;