55 lines
1.6 KiB
SQL
55 lines
1.6 KiB
SQL
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-- Shop Product Variation Link
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DROP TRIGGER IF EXISTS before_insert_Shop_User_Basket;
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DROP TRIGGER IF EXISTS before_update_Shop_User_Basket;
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DELIMITER //
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CREATE TRIGGER before_insert_Shop_User_Basket
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BEFORE INSERT ON Shop_User_Basket
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FOR EACH ROW
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BEGIN
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SET NEW.created_on := IFNULL(NEW.created_on, NOW());
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SET NEW.created_by := IFNULL(NEW.created_by, IFNULL((SELECT id_user FROM Shop_User WHERE firstname = CURRENT_USER()), -1));
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END //
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DELIMITER ;
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DELIMITER //
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CREATE TRIGGER before_update_Shop_User_Basket
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BEFORE UPDATE ON Shop_User_Basket
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FOR EACH ROW
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BEGIN
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IF NEW.id_change_set_user <=> OLD.id_change_set_user THEN
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SIGNAL SQLSTATE '45000'
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SET MESSAGE_TEXT = 'New change Set ID must be provided.';
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END IF;
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INSERT INTO Shop_User_Basket_Audit (
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id_item,
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name_field,
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value_prev,
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value_new,
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id_change_set_user
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)
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-- Changed id_user
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SELECT NEW.id_item, 'id_user', OLD.id_user, NEW.id_user, NEW.id_change_set_user
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WHERE NOT OLD.id_user <=> NEW.id_user
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UNION
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-- Changed id_product
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SELECT NEW.id_item, 'id_product', OLD.id_product, NEW.id_product, NEW.id_change_set_user
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WHERE NOT OLD.id_product <=> NEW.id_product
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UNION
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-- Changed quantity
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SELECT NEW.id_item, 'quantity', CONVERT(OLD.quantity, CHAR), CONVERT(NEW.quantity, CHAR), NEW.id_change_set_user
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WHERE NOT (OLD.quantity <=> NEW.quantity)
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UNION
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-- Changed active
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SELECT NEW.id_item, 'active', CONVERT(CONVERT(OLD.active, SIGNED), CHAR), CONVERT(CONVERT(NEW.active, SIGNED), CHAR), NEW.id_change_set_user
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WHERE NOT (OLD.active <=> NEW.active)
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;
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END //
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DELIMITER ; |