Pick one

SELECT * FROM gallery2 WHERE topic_id="239247" UNION SELECT * FROM gallery2 WHERE topic_id="1286458" UNION SELECT * FROM gallery2 WHERE topic_id="283042" UNION SELECT * FROM gallery2 WHERE topic_id="741465" UNION SELECT * FROM gallery2 WHERE topic_id="852605" UNION SELECT * FROM gallery2 WHERE topic_id="1795490" UNION SELECT * FROM gallery2 WHERE topic_id="1384092" UNION SELECT * FROM gallery2 WHERE topic_id="162031" UNION SELECT * FROM gallery2 WHERE topic_id="1781052" UNION SELECT * FROM gallery2 WHERE topic_id="1077614" UNION SELECT * FROM gallery2 WHERE topic_id="1328874" UNION SELECT * FROM gallery2 WHERE topic_id="1075828" UNION SELECT * FROM gallery2 WHERE topic_id="769736" UNION SELECT * FROM gallery2 WHERE topic_id="1577031" UNION SELECT * FROM gallery2 WHERE topic_id="830181" UNION SELECT * FROM gallery2 WHERE topic_id="1289097"