On or Off?

SELECT * FROM gallery2 WHERE topic_id="1321468" UNION SELECT * FROM gallery2 WHERE topic_id="1717194" UNION SELECT * FROM gallery2 WHERE topic_id="408601" UNION SELECT * FROM gallery2 WHERE topic_id="1595010" UNION SELECT * FROM gallery2 WHERE topic_id="1020963" UNION SELECT * FROM gallery2 WHERE topic_id="783216" UNION SELECT * FROM gallery2 WHERE topic_id="1742365" UNION SELECT * FROM gallery2 WHERE topic_id="973734" UNION SELECT * FROM gallery2 WHERE topic_id="1377915" UNION SELECT * FROM gallery2 WHERE topic_id="1789615" UNION SELECT * FROM gallery2 WHERE topic_id="1247421" UNION SELECT * FROM gallery2 WHERE topic_id="1762346" UNION SELECT * FROM gallery2 WHERE topic_id="1659729" UNION SELECT * FROM gallery2 WHERE topic_id="575692" UNION SELECT * FROM gallery2 WHERE topic_id="867929" UNION SELECT * FROM gallery2 WHERE topic_id="874168"