Wherever, whenever

SELECT * FROM gallery2 WHERE topic_id="1294590" UNION SELECT * FROM gallery2 WHERE topic_id="623530" UNION SELECT * FROM gallery2 WHERE topic_id="66472" UNION SELECT * FROM gallery2 WHERE topic_id="197807" UNION SELECT * FROM gallery2 WHERE topic_id="782657" UNION SELECT * FROM gallery2 WHERE topic_id="171736" UNION SELECT * FROM gallery2 WHERE topic_id="177796" UNION SELECT * FROM gallery2 WHERE topic_id="553075" UNION SELECT * FROM gallery2 WHERE topic_id="1406190" UNION SELECT * FROM gallery2 WHERE topic_id="625247" UNION SELECT * FROM gallery2 WHERE topic_id="812658" UNION SELECT * FROM gallery2 WHERE topic_id="1437678" UNION SELECT * FROM gallery2 WHERE topic_id="17883" UNION SELECT * FROM gallery2 WHERE topic_id="314681" UNION SELECT * FROM gallery2 WHERE topic_id="1537356" UNION SELECT * FROM gallery2 WHERE topic_id="260741"