Should I put it in?

SELECT * FROM gallery2 WHERE topic_id="23889" UNION SELECT * FROM gallery2 WHERE topic_id="355384" UNION SELECT * FROM gallery2 WHERE topic_id="1699500" UNION SELECT * FROM gallery2 WHERE topic_id="87051" UNION SELECT * FROM gallery2 WHERE topic_id="1293573" UNION SELECT * FROM gallery2 WHERE topic_id="561885" UNION SELECT * FROM gallery2 WHERE topic_id="1317903" UNION SELECT * FROM gallery2 WHERE topic_id="1474128" UNION SELECT * FROM gallery2 WHERE topic_id="1429719" UNION SELECT * FROM gallery2 WHERE topic_id="1256665" UNION SELECT * FROM gallery2 WHERE topic_id="649741" UNION SELECT * FROM gallery2 WHERE topic_id="711100" UNION SELECT * FROM gallery2 WHERE topic_id="691507" UNION SELECT * FROM gallery2 WHERE topic_id="16584" UNION SELECT * FROM gallery2 WHERE topic_id="235798" UNION SELECT * FROM gallery2 WHERE topic_id="1040187"