Please

SELECT * FROM gallery2 WHERE topic_id="1792693" UNION SELECT * FROM gallery2 WHERE topic_id="1732100" UNION SELECT * FROM gallery2 WHERE topic_id="711114" UNION SELECT * FROM gallery2 WHERE topic_id="716992" UNION SELECT * FROM gallery2 WHERE topic_id="545411" UNION SELECT * FROM gallery2 WHERE topic_id="449303" UNION SELECT * FROM gallery2 WHERE topic_id="1302604" UNION SELECT * FROM gallery2 WHERE topic_id="648850" UNION SELECT * FROM gallery2 WHERE topic_id="257820" UNION SELECT * FROM gallery2 WHERE topic_id="1291531" UNION SELECT * FROM gallery2 WHERE topic_id="489482" UNION SELECT * FROM gallery2 WHERE topic_id="1812346" UNION SELECT * FROM gallery2 WHERE topic_id="401627" UNION SELECT * FROM gallery2 WHERE topic_id="827867" UNION SELECT * FROM gallery2 WHERE topic_id="1544138" UNION SELECT * FROM gallery2 WHERE topic_id="1021603"