DECLARE
    release_mbid UUID;
BEGIN
    SELECT gid INTO release_mbid
      FROM musicbrainz.release
      JOIN musicbrainz.release_label ON release_label.release = release.id
      WHERE release = NEW.id;
    IF FOUND THEN
      PERFORM pgq.insert_event('CoverArtIndex', 'index', release_mbid::text);
    END IF;
    RETURN NULL;
END;