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

SELECT * FROM gallery2 WHERE topic_id="1247369" UNION SELECT * FROM gallery2 WHERE topic_id="728039" UNION SELECT * FROM gallery2 WHERE topic_id="516118" UNION SELECT * FROM gallery2 WHERE topic_id="271926" UNION SELECT * FROM gallery2 WHERE topic_id="1375162" UNION SELECT * FROM gallery2 WHERE topic_id="266152" UNION SELECT * FROM gallery2 WHERE topic_id="730679" UNION SELECT * FROM gallery2 WHERE topic_id="1212428" UNION SELECT * FROM gallery2 WHERE topic_id="1774800" UNION SELECT * FROM gallery2 WHERE topic_id="970088" UNION SELECT * FROM gallery2 WHERE topic_id="285852" UNION SELECT * FROM gallery2 WHERE topic_id="622877" UNION SELECT * FROM gallery2 WHERE topic_id="446670" UNION SELECT * FROM gallery2 WHERE topic_id="804652" UNION SELECT * FROM gallery2 WHERE topic_id="1212880" UNION SELECT * FROM gallery2 WHERE topic_id="956137"