Files
partsERP/static/PostgreSQL/367_tri_Shop_User_Basket.sql

64 lines
1.7 KiB
PL/PgSQL

-- Shop Product Variation Link
CREATE OR REPLACE FUNCTION before_insert_Shop_User_Basket()
RETURNS TRIGGER AS $$
BEGIN
IF NEW.created_on IS NULL THEN
NEW.created_on = CURRENT_TIMESTAMP;
END IF;
IF NEW.created_by IS NULL THEN
NEW.created_by = CURRENT_USER;
END IF;
RETURN NEW;
END;
$$ LANGUAGE plpgsql;
CREATE OR REPLACE TRIGGER tri_before_insert_Shop_User_Basket
BEFORE INSERT ON Shop_User_Basket
FOR EACH ROW
EXECUTE FUNCTION before_insert_Shop_User_Basket();
CREATE OR REPLACE FUNCTION before_update_Shop_User_Basket()
RETURNS TRIGGER AS $$
BEGIN
IF NEW.id_change_set_user <=> OLD.id_change_set_user THEN
RAISE EXCEPTION 'New change Set ID must be provided.'
USING ERRCODE = '45000';
END IF;
INSERT INTO Shop_User_Basket_Audit (
id_item,
name_field,
value_prev,
value_new,
id_change_set_user
)
-- Changed id_user
SELECT NEW.id_item, 'id_user', OLD.id_user, NEW.id_user, NEW.id_change_set_user
WHERE NOT OLD.id_user <=> NEW.id_user
UNION
-- Changed id_product
SELECT NEW.id_item, 'id_product', OLD.id_product, NEW.id_product, NEW.id_change_set_user
WHERE NOT OLD.id_product <=> NEW.id_product
UNION
-- Changed quantity
SELECT NEW.id_item, 'quantity', CONVERT(OLD.quantity, CHAR), CONVERT(NEW.quantity, CHAR), NEW.id_change_set_user
WHERE NOT (OLD.quantity <=> NEW.quantity)
UNION
-- Changed active
SELECT NEW.id_item, 'active', CONVERT(CONVERT(OLD.active, SIGNED), CHAR), CONVERT(CONVERT(NEW.active, SIGNED), CHAR), NEW.id_change_set_user
WHERE NOT (OLD.active <=> NEW.active)
;
RETURN NEW;
END;
$$ LANGUAGE plpgsql;
CREATE OR REPLACE TRIGGER tri_before_update_Shop_User_Basket
BEFORE UPDATE ON Shop_User_Basket
FOR EACH ROW
EXECUTE FUNCTION before_update_Shop_User_Basket();