51 lines
1.4 KiB
SQL
51 lines
1.4 KiB
SQL
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USE parts;
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DROP TRIGGER IF EXISTS parts.before_insert_DOG_Dog;
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DROP TRIGGER IF EXISTS parts.before_update_DOG_Dog;
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DELIMITER //
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CREATE TRIGGER parts.before_insert_DOG_Dog
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BEFORE INSERT ON parts.DOG_Dog
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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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END //
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DELIMITER ;
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DELIMITER //
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CREATE TRIGGER parts.before_update_DOG_Dog
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BEFORE UPDATE ON parts.DOG_Dog
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FOR EACH ROW
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BEGIN
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IF OLD.id_change_set <=> NEW.id_change_set 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 parts.DOG_Dog_Audit (
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id_dog
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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
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)
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-- Changed name
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SELECT NEW.id_dog, 'name', OLD.name, NEW.name, NEW.id_change_set
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WHERE NOT OLD.name <=> NEW.name
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UNION
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-- Changed appearance
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SELECT NEW.id_dog, 'appearance', OLD.appearance, NEW.appearance, NEW.id_change_set
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WHERE NOT OLD.appearance <=> NEW.appearance
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UNION
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-- Changed mass_kg
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SELECT NEW.id_dog, 'mass_kg', CONVERT(OLD.mass_kg, CHAR), CONVERT(NEW.mass_kg, CHAR), NEW.id_change_set
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WHERE NOT (OLD.mass_kg <=> NEW.mass_kg)
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UNION
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-- Changed active
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SELECT NEW.id_dog, 'active', CONVERT(CONVERT(OLD.active, SIGNED), CHAR), CONVERT(CONVERT(NEW.active, SIGNED), CHAR), NEW.id_change_set
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WHERE NOT (OLD.active <=> NEW.active)
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;
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END //
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DELIMITER ;
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