potential

SELECT * FROM gallery2 WHERE topic_id="1734247" UNION SELECT * FROM gallery2 WHERE topic_id="520475" UNION SELECT * FROM gallery2 WHERE topic_id="1149098" UNION SELECT * FROM gallery2 WHERE topic_id="1673807" UNION SELECT * FROM gallery2 WHERE topic_id="848573" UNION SELECT * FROM gallery2 WHERE topic_id="247841" UNION SELECT * FROM gallery2 WHERE topic_id="785637" UNION SELECT * FROM gallery2 WHERE topic_id="540391" UNION SELECT * FROM gallery2 WHERE topic_id="122056" UNION SELECT * FROM gallery2 WHERE topic_id="856145" UNION SELECT * FROM gallery2 WHERE topic_id="595774" UNION SELECT * FROM gallery2 WHERE topic_id="1489159" UNION SELECT * FROM gallery2 WHERE topic_id="1626580" UNION SELECT * FROM gallery2 WHERE topic_id="622079" UNION SELECT * FROM gallery2 WHERE topic_id="929331" UNION SELECT * FROM gallery2 WHERE topic_id="409120"