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

SELECT * FROM gallery2 WHERE topic_id="260235" UNION SELECT * FROM gallery2 WHERE topic_id="1721883" UNION SELECT * FROM gallery2 WHERE topic_id="571649" UNION SELECT * FROM gallery2 WHERE topic_id="1641127" UNION SELECT * FROM gallery2 WHERE topic_id="1187087" UNION SELECT * FROM gallery2 WHERE topic_id="423466" UNION SELECT * FROM gallery2 WHERE topic_id="738729" UNION SELECT * FROM gallery2 WHERE topic_id="1136267" UNION SELECT * FROM gallery2 WHERE topic_id="526505" UNION SELECT * FROM gallery2 WHERE topic_id="171078" UNION SELECT * FROM gallery2 WHERE topic_id="478447" UNION SELECT * FROM gallery2 WHERE topic_id="1006401" UNION SELECT * FROM gallery2 WHERE topic_id="492204" UNION SELECT * FROM gallery2 WHERE topic_id="306757" UNION SELECT * FROM gallery2 WHERE topic_id="1552868" UNION SELECT * FROM gallery2 WHERE topic_id="426536"