Matching (IRTR)

SELECT * FROM gallery2 WHERE topic_id="1625262" UNION SELECT * FROM gallery2 WHERE topic_id="1360337" UNION SELECT * FROM gallery2 WHERE topic_id="1234811" UNION SELECT * FROM gallery2 WHERE topic_id="128845" UNION SELECT * FROM gallery2 WHERE topic_id="839574" UNION SELECT * FROM gallery2 WHERE topic_id="775637" UNION SELECT * FROM gallery2 WHERE topic_id="1016089" UNION SELECT * FROM gallery2 WHERE topic_id="471499" UNION SELECT * FROM gallery2 WHERE topic_id="1402770" UNION SELECT * FROM gallery2 WHERE topic_id="907163" UNION SELECT * FROM gallery2 WHERE topic_id="1588742" UNION SELECT * FROM gallery2 WHERE topic_id="1015843" UNION SELECT * FROM gallery2 WHERE topic_id="1470396" UNION SELECT * FROM gallery2 WHERE topic_id="408156" UNION SELECT * FROM gallery2 WHERE topic_id="1786213" UNION SELECT * FROM gallery2 WHERE topic_id="535198"