Yor

SELECT * FROM gallery2 WHERE topic_id="798133" UNION SELECT * FROM gallery2 WHERE topic_id="1571475" UNION SELECT * FROM gallery2 WHERE topic_id="821781" UNION SELECT * FROM gallery2 WHERE topic_id="282712" UNION SELECT * FROM gallery2 WHERE topic_id="73576" UNION SELECT * FROM gallery2 WHERE topic_id="1062175" UNION SELECT * FROM gallery2 WHERE topic_id="1405224" UNION SELECT * FROM gallery2 WHERE topic_id="997129" UNION SELECT * FROM gallery2 WHERE topic_id="1555370" UNION SELECT * FROM gallery2 WHERE topic_id="1124145" UNION SELECT * FROM gallery2 WHERE topic_id="265164" UNION SELECT * FROM gallery2 WHERE topic_id="1219528" UNION SELECT * FROM gallery2 WHERE topic_id="1607000" UNION SELECT * FROM gallery2 WHERE topic_id="1789999" UNION SELECT * FROM gallery2 WHERE topic_id="280971" UNION SELECT * FROM gallery2 WHERE topic_id="708360"