Clean up, or Strip down? [m]

SELECT * FROM gallery2 WHERE topic_id="1517306" UNION SELECT * FROM gallery2 WHERE topic_id="561161" UNION SELECT * FROM gallery2 WHERE topic_id="1006910" UNION SELECT * FROM gallery2 WHERE topic_id="1512001" UNION SELECT * FROM gallery2 WHERE topic_id="838088" UNION SELECT * FROM gallery2 WHERE topic_id="1802921" UNION SELECT * FROM gallery2 WHERE topic_id="198859" UNION SELECT * FROM gallery2 WHERE topic_id="362879" UNION SELECT * FROM gallery2 WHERE topic_id="91017" UNION SELECT * FROM gallery2 WHERE topic_id="1358524" UNION SELECT * FROM gallery2 WHERE topic_id="1327554" UNION SELECT * FROM gallery2 WHERE topic_id="972347" UNION SELECT * FROM gallery2 WHERE topic_id="673345" UNION SELECT * FROM gallery2 WHERE topic_id="492602" UNION SELECT * FROM gallery2 WHERE topic_id="167579" UNION SELECT * FROM gallery2 WHERE topic_id="857901"