Stacked

SELECT * FROM gallery2 WHERE topic_id="278009" UNION SELECT * FROM gallery2 WHERE topic_id="1799499" UNION SELECT * FROM gallery2 WHERE topic_id="361694" UNION SELECT * FROM gallery2 WHERE topic_id="1309971" UNION SELECT * FROM gallery2 WHERE topic_id="1366937" UNION SELECT * FROM gallery2 WHERE topic_id="1816396" UNION SELECT * FROM gallery2 WHERE topic_id="1353301" UNION SELECT * FROM gallery2 WHERE topic_id="809356" UNION SELECT * FROM gallery2 WHERE topic_id="104443" UNION SELECT * FROM gallery2 WHERE topic_id="586200" UNION SELECT * FROM gallery2 WHERE topic_id="1210179" UNION SELECT * FROM gallery2 WHERE topic_id="1226349" UNION SELECT * FROM gallery2 WHERE topic_id="1371640" UNION SELECT * FROM gallery2 WHERE topic_id="1758716" UNION SELECT * FROM gallery2 WHERE topic_id="1699950" UNION SELECT * FROM gallery2 WHERE topic_id="1316355"