IRTR Perfect

SELECT * FROM gallery2 WHERE topic_id="638478" UNION SELECT * FROM gallery2 WHERE topic_id="174328" UNION SELECT * FROM gallery2 WHERE topic_id="898501" UNION SELECT * FROM gallery2 WHERE topic_id="654516" UNION SELECT * FROM gallery2 WHERE topic_id="1152330" UNION SELECT * FROM gallery2 WHERE topic_id="1293593" UNION SELECT * FROM gallery2 WHERE topic_id="1473805" UNION SELECT * FROM gallery2 WHERE topic_id="1435165" UNION SELECT * FROM gallery2 WHERE topic_id="16195" UNION SELECT * FROM gallery2 WHERE topic_id="1221605" UNION SELECT * FROM gallery2 WHERE topic_id="997402" UNION SELECT * FROM gallery2 WHERE topic_id="1277252" UNION SELECT * FROM gallery2 WHERE topic_id="387568" UNION SELECT * FROM gallery2 WHERE topic_id="668595" UNION SELECT * FROM gallery2 WHERE topic_id="1540488" UNION SELECT * FROM gallery2 WHERE topic_id="1623733"