I would say it’s an improvement :P

SELECT * FROM gallery2 WHERE topic_id="44682" UNION SELECT * FROM gallery2 WHERE topic_id="1773908" UNION SELECT * FROM gallery2 WHERE topic_id="121562" UNION SELECT * FROM gallery2 WHERE topic_id="1080182" UNION SELECT * FROM gallery2 WHERE topic_id="247890" UNION SELECT * FROM gallery2 WHERE topic_id="200872" UNION SELECT * FROM gallery2 WHERE topic_id="180470" UNION SELECT * FROM gallery2 WHERE topic_id="1488464" UNION SELECT * FROM gallery2 WHERE topic_id="1683170" UNION SELECT * FROM gallery2 WHERE topic_id="836092" UNION SELECT * FROM gallery2 WHERE topic_id="1780167" UNION SELECT * FROM gallery2 WHERE topic_id="1437970" UNION SELECT * FROM gallery2 WHERE topic_id="45492" UNION SELECT * FROM gallery2 WHERE topic_id="1479710" UNION SELECT * FROM gallery2 WHERE topic_id="1530988" UNION SELECT * FROM gallery2 WHERE topic_id="946462"