Double streams

SELECT * FROM gallery2 WHERE topic_id="637807" UNION SELECT * FROM gallery2 WHERE topic_id="932420" UNION SELECT * FROM gallery2 WHERE topic_id="352921" UNION SELECT * FROM gallery2 WHERE topic_id="1049122" UNION SELECT * FROM gallery2 WHERE topic_id="1317699" UNION SELECT * FROM gallery2 WHERE topic_id="1805226" UNION SELECT * FROM gallery2 WHERE topic_id="822039" UNION SELECT * FROM gallery2 WHERE topic_id="1394242" UNION SELECT * FROM gallery2 WHERE topic_id="1429094" UNION SELECT * FROM gallery2 WHERE topic_id="165754" UNION SELECT * FROM gallery2 WHERE topic_id="1691686" UNION SELECT * FROM gallery2 WHERE topic_id="1019135" UNION SELECT * FROM gallery2 WHERE topic_id="1820605" UNION SELECT * FROM gallery2 WHERE topic_id="1239146" UNION SELECT * FROM gallery2 WHERE topic_id="788033" UNION SELECT * FROM gallery2 WHERE topic_id="1654233"