Chained

SELECT * FROM gallery2 WHERE topic_id="197058" UNION SELECT * FROM gallery2 WHERE topic_id="325679" UNION SELECT * FROM gallery2 WHERE topic_id="1344425" UNION SELECT * FROM gallery2 WHERE topic_id="1497370" UNION SELECT * FROM gallery2 WHERE topic_id="979480" UNION SELECT * FROM gallery2 WHERE topic_id="90968" UNION SELECT * FROM gallery2 WHERE topic_id="490370" UNION SELECT * FROM gallery2 WHERE topic_id="1063758" UNION SELECT * FROM gallery2 WHERE topic_id="1458155" UNION SELECT * FROM gallery2 WHERE topic_id="399153" UNION SELECT * FROM gallery2 WHERE topic_id="336751" UNION SELECT * FROM gallery2 WHERE topic_id="1782711" UNION SELECT * FROM gallery2 WHERE topic_id="1172297" UNION SELECT * FROM gallery2 WHERE topic_id="576632" UNION SELECT * FROM gallery2 WHERE topic_id="1398920" UNION SELECT * FROM gallery2 WHERE topic_id="201166"