wanna join

SELECT * FROM gallery2 WHERE topic_id="923167" UNION SELECT * FROM gallery2 WHERE topic_id="958938" UNION SELECT * FROM gallery2 WHERE topic_id="10018" UNION SELECT * FROM gallery2 WHERE topic_id="1362241" UNION SELECT * FROM gallery2 WHERE topic_id="191772" UNION SELECT * FROM gallery2 WHERE topic_id="596168" UNION SELECT * FROM gallery2 WHERE topic_id="721762" UNION SELECT * FROM gallery2 WHERE topic_id="1502887" UNION SELECT * FROM gallery2 WHERE topic_id="330093" UNION SELECT * FROM gallery2 WHERE topic_id="222233" UNION SELECT * FROM gallery2 WHERE topic_id="1633010" UNION SELECT * FROM gallery2 WHERE topic_id="1072807" UNION SELECT * FROM gallery2 WHERE topic_id="1138040" UNION SELECT * FROM gallery2 WHERE topic_id="329274" UNION SELECT * FROM gallery2 WHERE topic_id="801177" UNION SELECT * FROM gallery2 WHERE topic_id="1747436"