Matching (IRTR)

SELECT * FROM gallery2 WHERE topic_id="906626" UNION SELECT * FROM gallery2 WHERE topic_id="1057556" UNION SELECT * FROM gallery2 WHERE topic_id="696748" UNION SELECT * FROM gallery2 WHERE topic_id="46329" UNION SELECT * FROM gallery2 WHERE topic_id="249054" UNION SELECT * FROM gallery2 WHERE topic_id="1551954" UNION SELECT * FROM gallery2 WHERE topic_id="1361746" UNION SELECT * FROM gallery2 WHERE topic_id="938128" UNION SELECT * FROM gallery2 WHERE topic_id="254239" UNION SELECT * FROM gallery2 WHERE topic_id="711326" UNION SELECT * FROM gallery2 WHERE topic_id="1504115" UNION SELECT * FROM gallery2 WHERE topic_id="1398437" UNION SELECT * FROM gallery2 WHERE topic_id="1400490" UNION SELECT * FROM gallery2 WHERE topic_id="1646609" UNION SELECT * FROM gallery2 WHERE topic_id="1113174" UNION SELECT * FROM gallery2 WHERE topic_id="253777"