Group

SELECT * FROM gallery2 WHERE topic_id="345691" UNION SELECT * FROM gallery2 WHERE topic_id="148260" UNION SELECT * FROM gallery2 WHERE topic_id="346939" UNION SELECT * FROM gallery2 WHERE topic_id="152272" UNION SELECT * FROM gallery2 WHERE topic_id="911635" UNION SELECT * FROM gallery2 WHERE topic_id="542294" UNION SELECT * FROM gallery2 WHERE topic_id="1699465" UNION SELECT * FROM gallery2 WHERE topic_id="334287" UNION SELECT * FROM gallery2 WHERE topic_id="825306" UNION SELECT * FROM gallery2 WHERE topic_id="1458933" UNION SELECT * FROM gallery2 WHERE topic_id="1631751" UNION SELECT * FROM gallery2 WHERE topic_id="1558633" UNION SELECT * FROM gallery2 WHERE topic_id="446707" UNION SELECT * FROM gallery2 WHERE topic_id="1531705" UNION SELECT * FROM gallery2 WHERE topic_id="103452" UNION SELECT * FROM gallery2 WHERE topic_id="1345147"