Incorrect Pool Maintenance

SELECT * FROM gallery2 WHERE topic_id="484104" UNION SELECT * FROM gallery2 WHERE topic_id="592923" UNION SELECT * FROM gallery2 WHERE topic_id="1679324" UNION SELECT * FROM gallery2 WHERE topic_id="1003143" UNION SELECT * FROM gallery2 WHERE topic_id="237206" UNION SELECT * FROM gallery2 WHERE topic_id="618127" UNION SELECT * FROM gallery2 WHERE topic_id="577204" UNION SELECT * FROM gallery2 WHERE topic_id="426248" UNION SELECT * FROM gallery2 WHERE topic_id="592622" UNION SELECT * FROM gallery2 WHERE topic_id="722790" UNION SELECT * FROM gallery2 WHERE topic_id="1022744" UNION SELECT * FROM gallery2 WHERE topic_id="671780" UNION SELECT * FROM gallery2 WHERE topic_id="1606938" UNION SELECT * FROM gallery2 WHERE topic_id="445827" UNION SELECT * FROM gallery2 WHERE topic_id="1608117" UNION SELECT * FROM gallery2 WHERE topic_id="1803851"