USE `sakila`$$


CREATE TRIGGER `ins_film` AFTER INSERT ON `film` FOR EACH ROW BEGIN
    INSERT INTO film_text (film_id, title, description)
        VALUES (new.film_id, new.title, new.description);
  END

USE `sakila`$$


CREATE TRIGGER `upd_film` AFTER UPDATE ON `film` FOR EACH ROW BEGIN
    IF (old.title != new.title) or (old.description != new.description)
    THEN
        UPDATE film_text
            SET title=new.title,
                description=new.description,
                film_id=new.film_id
        WHERE film_id=old.film_id;
    END IF;
  END

USE `sakila`$$


CREATE TRIGGER `del_film` AFTER DELETE ON `film` FOR EACH ROW BEGIN
    DELETE FROM film_text WHERE film_id = old.film_id;
  END