Cum join

SELECT * FROM gallery2 WHERE topic_id="420519" UNION SELECT * FROM gallery2 WHERE topic_id="580572" UNION SELECT * FROM gallery2 WHERE topic_id="748169" UNION SELECT * FROM gallery2 WHERE topic_id="364051" UNION SELECT * FROM gallery2 WHERE topic_id="1490951" UNION SELECT * FROM gallery2 WHERE topic_id="248863" UNION SELECT * FROM gallery2 WHERE topic_id="1713077" UNION SELECT * FROM gallery2 WHERE topic_id="1650645" UNION SELECT * FROM gallery2 WHERE topic_id="714285" UNION SELECT * FROM gallery2 WHERE topic_id="731237" UNION SELECT * FROM gallery2 WHERE topic_id="138209" UNION SELECT * FROM gallery2 WHERE topic_id="1742390" UNION SELECT * FROM gallery2 WHERE topic_id="197251" UNION SELECT * FROM gallery2 WHERE topic_id="758770" UNION SELECT * FROM gallery2 WHERE topic_id="1484760" UNION SELECT * FROM gallery2 WHERE topic_id="1479659"