Need drained

SELECT * FROM gallery2 WHERE topic_id="1679639" UNION SELECT * FROM gallery2 WHERE topic_id="1419346" UNION SELECT * FROM gallery2 WHERE topic_id="997644" UNION SELECT * FROM gallery2 WHERE topic_id="621729" UNION SELECT * FROM gallery2 WHERE topic_id="1637469" UNION SELECT * FROM gallery2 WHERE topic_id="1482379" UNION SELECT * FROM gallery2 WHERE topic_id="1462869" UNION SELECT * FROM gallery2 WHERE topic_id="639902" UNION SELECT * FROM gallery2 WHERE topic_id="1312096" UNION SELECT * FROM gallery2 WHERE topic_id="683988" UNION SELECT * FROM gallery2 WHERE topic_id="1230487" UNION SELECT * FROM gallery2 WHERE topic_id="1269009" UNION SELECT * FROM gallery2 WHERE topic_id="1181039" UNION SELECT * FROM gallery2 WHERE topic_id="417803" UNION SELECT * FROM gallery2 WHERE topic_id="1421185" UNION SELECT * FROM gallery2 WHERE topic_id="576539"