Need drained

SELECT * FROM gallery2 WHERE topic_id="1509280" UNION SELECT * FROM gallery2 WHERE topic_id="1814550" UNION SELECT * FROM gallery2 WHERE topic_id="753176" UNION SELECT * FROM gallery2 WHERE topic_id="1498930" UNION SELECT * FROM gallery2 WHERE topic_id="568577" UNION SELECT * FROM gallery2 WHERE topic_id="1585933" UNION SELECT * FROM gallery2 WHERE topic_id="164042" UNION SELECT * FROM gallery2 WHERE topic_id="898504" UNION SELECT * FROM gallery2 WHERE topic_id="1160619" UNION SELECT * FROM gallery2 WHERE topic_id="241540" UNION SELECT * FROM gallery2 WHERE topic_id="1450930" UNION SELECT * FROM gallery2 WHERE topic_id="236495" UNION SELECT * FROM gallery2 WHERE topic_id="1665844" UNION SELECT * FROM gallery2 WHERE topic_id="503261" UNION SELECT * FROM gallery2 WHERE topic_id="1650921" UNION SELECT * FROM gallery2 WHERE topic_id="926972"