text: CREATE RULE "_RETURN" AS ON SELECT TO t1 DO INSTEAD SELECT * FROM t2;
  CREATE RULE notify_me AS ON UPDATE TO mytable DO ALSO NOTIFY mytable;
  CREATE RULE notify_me AS ON INSERT TO mytable DO ALSO NOTIFY mytable;
  CREATE RULE notify_me AS ON DELETE TO mytable DO ALSO NOTIFY mytable;
  DROP RULE notify_me ON mytable;
  