Chained up

SELECT * FROM gallery2 WHERE topic_id="1255585" UNION SELECT * FROM gallery2 WHERE topic_id="766178" UNION SELECT * FROM gallery2 WHERE topic_id="839471" UNION SELECT * FROM gallery2 WHERE topic_id="114630" UNION SELECT * FROM gallery2 WHERE topic_id="1207751" UNION SELECT * FROM gallery2 WHERE topic_id="538475" UNION SELECT * FROM gallery2 WHERE topic_id="781125" UNION SELECT * FROM gallery2 WHERE topic_id="445841" UNION SELECT * FROM gallery2 WHERE topic_id="570254" UNION SELECT * FROM gallery2 WHERE topic_id="344494" UNION SELECT * FROM gallery2 WHERE topic_id="1563195" UNION SELECT * FROM gallery2 WHERE topic_id="291106" UNION SELECT * FROM gallery2 WHERE topic_id="1294872" UNION SELECT * FROM gallery2 WHERE topic_id="1295414" UNION SELECT * FROM gallery2 WHERE topic_id="1777492" UNION SELECT * FROM gallery2 WHERE topic_id="1525292"