Classy

SELECT * FROM gallery2 WHERE topic_id="1589879" UNION SELECT * FROM gallery2 WHERE topic_id="72139" UNION SELECT * FROM gallery2 WHERE topic_id="1800949" UNION SELECT * FROM gallery2 WHERE topic_id="344563" UNION SELECT * FROM gallery2 WHERE topic_id="1120651" UNION SELECT * FROM gallery2 WHERE topic_id="121635" UNION SELECT * FROM gallery2 WHERE topic_id="579035" UNION SELECT * FROM gallery2 WHERE topic_id="1118130" UNION SELECT * FROM gallery2 WHERE topic_id="287745" UNION SELECT * FROM gallery2 WHERE topic_id="830120" UNION SELECT * FROM gallery2 WHERE topic_id="515404" UNION SELECT * FROM gallery2 WHERE topic_id="1338274" UNION SELECT * FROM gallery2 WHERE topic_id="359465" UNION SELECT * FROM gallery2 WHERE topic_id="575436" UNION SELECT * FROM gallery2 WHERE topic_id="572124" UNION SELECT * FROM gallery2 WHERE topic_id="1417142"