Work Out complete [m]

SELECT * FROM gallery2 WHERE topic_id="48526" UNION SELECT * FROM gallery2 WHERE topic_id="982583" UNION SELECT * FROM gallery2 WHERE topic_id="478387" UNION SELECT * FROM gallery2 WHERE topic_id="429741" UNION SELECT * FROM gallery2 WHERE topic_id="18685" UNION SELECT * FROM gallery2 WHERE topic_id="1329169" UNION SELECT * FROM gallery2 WHERE topic_id="476484" UNION SELECT * FROM gallery2 WHERE topic_id="369876" UNION SELECT * FROM gallery2 WHERE topic_id="1826682" UNION SELECT * FROM gallery2 WHERE topic_id="1607462" UNION SELECT * FROM gallery2 WHERE topic_id="1820758" UNION SELECT * FROM gallery2 WHERE topic_id="1765841" UNION SELECT * FROM gallery2 WHERE topic_id="325758" UNION SELECT * FROM gallery2 WHERE topic_id="1120497" UNION SELECT * FROM gallery2 WHERE topic_id="626926" UNION SELECT * FROM gallery2 WHERE topic_id="630258"