My favorite IRTR

SELECT * FROM gallery2 WHERE topic_id="938831" UNION SELECT * FROM gallery2 WHERE topic_id="1506274" UNION SELECT * FROM gallery2 WHERE topic_id="526964" UNION SELECT * FROM gallery2 WHERE topic_id="95562" UNION SELECT * FROM gallery2 WHERE topic_id="480849" UNION SELECT * FROM gallery2 WHERE topic_id="286887" UNION SELECT * FROM gallery2 WHERE topic_id="1791567" UNION SELECT * FROM gallery2 WHERE topic_id="1621298" UNION SELECT * FROM gallery2 WHERE topic_id="1601795" UNION SELECT * FROM gallery2 WHERE topic_id="1453578" UNION SELECT * FROM gallery2 WHERE topic_id="172754" UNION SELECT * FROM gallery2 WHERE topic_id="718244" UNION SELECT * FROM gallery2 WHERE topic_id="460958" UNION SELECT * FROM gallery2 WHERE topic_id="1243588" UNION SELECT * FROM gallery2 WHERE topic_id="1179166" UNION SELECT * FROM gallery2 WHERE topic_id="1276663"