Anyone sorting by new? I could reallllly use some validation [F]19

SELECT * FROM gallery2 WHERE topic_id="497124" UNION SELECT * FROM gallery2 WHERE topic_id="781916" UNION SELECT * FROM gallery2 WHERE topic_id="21466" UNION SELECT * FROM gallery2 WHERE topic_id="591747" UNION SELECT * FROM gallery2 WHERE topic_id="714642" UNION SELECT * FROM gallery2 WHERE topic_id="1479865" UNION SELECT * FROM gallery2 WHERE topic_id="699255" UNION SELECT * FROM gallery2 WHERE topic_id="698670" UNION SELECT * FROM gallery2 WHERE topic_id="353577" UNION SELECT * FROM gallery2 WHERE topic_id="1140683" UNION SELECT * FROM gallery2 WHERE topic_id="789866" UNION SELECT * FROM gallery2 WHERE topic_id="386794" UNION SELECT * FROM gallery2 WHERE topic_id="1020168" UNION SELECT * FROM gallery2 WHERE topic_id="911573" UNION SELECT * FROM gallery2 WHERE topic_id="781859" UNION SELECT * FROM gallery2 WHERE topic_id="57950"