Anyone can tell me the code to this

SELECT * FROM gallery2 WHERE topic_id="865722" UNION SELECT * FROM gallery2 WHERE topic_id="1460712" UNION SELECT * FROM gallery2 WHERE topic_id="1585554" UNION SELECT * FROM gallery2 WHERE topic_id="580215" UNION SELECT * FROM gallery2 WHERE topic_id="115067" UNION SELECT * FROM gallery2 WHERE topic_id="1770478" UNION SELECT * FROM gallery2 WHERE topic_id="182135" UNION SELECT * FROM gallery2 WHERE topic_id="1560985" UNION SELECT * FROM gallery2 WHERE topic_id="401850" UNION SELECT * FROM gallery2 WHERE topic_id="999360" UNION SELECT * FROM gallery2 WHERE topic_id="526651" UNION SELECT * FROM gallery2 WHERE topic_id="351289" UNION SELECT * FROM gallery2 WHERE topic_id="477766" UNION SELECT * FROM gallery2 WHERE topic_id="234712" UNION SELECT * FROM gallery2 WHERE topic_id="1418220" UNION SELECT * FROM gallery2 WHERE topic_id="422564"