Files
dog_training/static/MySQL/31005_tri_DOG_Breed.sql

47 lines
1.2 KiB
SQL

USE parts;
DROP TRIGGER IF EXISTS parts.before_insert_DOG_Breed;
DROP TRIGGER IF EXISTS parts.before_update_DOG_Breed;
DELIMITER //
CREATE TRIGGER parts.before_insert_DOG_Breed
BEFORE INSERT ON parts.DOG_Breed
FOR EACH ROW
BEGIN
SET NEW.created_on := IFNULL(NEW.created_on, NOW());
END //
DELIMITER ;
DELIMITER //
CREATE TRIGGER parts.before_update_DOG_Breed
BEFORE UPDATE ON parts.DOG_Breed
FOR EACH ROW
BEGIN
IF OLD.id_change_set <=> NEW.id_change_set THEN
SIGNAL SQLSTATE '45000'
SET MESSAGE_TEXT = 'New change Set ID must be provided.';
END IF;
INSERT INTO parts.DOG_Breed_Audit (
id_breed
, name_field
, value_prev
, value_new
, id_change_set
)
-- Changed code
SELECT NEW.id_breed, 'code', OLD.code, NEW.code, NEW.id_change_set
WHERE NOT OLD.code <=> NEW.code
UNION
-- Changed name
SELECT NEW.id_breed, 'name', OLD.name, NEW.name, NEW.id_change_set
WHERE NOT OLD.name <=> NEW.name
UNION
-- Changed active
SELECT NEW.id_breed, 'active', CONVERT(CONVERT(OLD.active, SIGNED), CHAR), CONVERT(CONVERT(NEW.active, SIGNED), CHAR), NEW.id_change_set
WHERE NOT (OLD.active <=> NEW.active)
;
END //
DELIMITER ;