Semi

SELECT * FROM gallery2 WHERE topic_id="1823230" UNION SELECT * FROM gallery2 WHERE topic_id="1543649" UNION SELECT * FROM gallery2 WHERE topic_id="1488784" UNION SELECT * FROM gallery2 WHERE topic_id="37349" UNION SELECT * FROM gallery2 WHERE topic_id="999522" UNION SELECT * FROM gallery2 WHERE topic_id="1152431" UNION SELECT * FROM gallery2 WHERE topic_id="1506182" UNION SELECT * FROM gallery2 WHERE topic_id="1285972" UNION SELECT * FROM gallery2 WHERE topic_id="984855" UNION SELECT * FROM gallery2 WHERE topic_id="511698" UNION SELECT * FROM gallery2 WHERE topic_id="334270" UNION SELECT * FROM gallery2 WHERE topic_id="290139" UNION SELECT * FROM gallery2 WHERE topic_id="1739922" UNION SELECT * FROM gallery2 WHERE topic_id="134252" UNION SELECT * FROM gallery2 WHERE topic_id="1138704" UNION SELECT * FROM gallery2 WHERE topic_id="478160"