Can't help but do this

SELECT * FROM gallery2 WHERE topic_id="1629412" UNION SELECT * FROM gallery2 WHERE topic_id="1726232" UNION SELECT * FROM gallery2 WHERE topic_id="1068613" UNION SELECT * FROM gallery2 WHERE topic_id="68722" UNION SELECT * FROM gallery2 WHERE topic_id="1119800" UNION SELECT * FROM gallery2 WHERE topic_id="398481" UNION SELECT * FROM gallery2 WHERE topic_id="702701" UNION SELECT * FROM gallery2 WHERE topic_id="952181" UNION SELECT * FROM gallery2 WHERE topic_id="1182653" UNION SELECT * FROM gallery2 WHERE topic_id="335716" UNION SELECT * FROM gallery2 WHERE topic_id="1624656" UNION SELECT * FROM gallery2 WHERE topic_id="615847" UNION SELECT * FROM gallery2 WHERE topic_id="1121527" UNION SELECT * FROM gallery2 WHERE topic_id="1528179" UNION SELECT * FROM gallery2 WHERE topic_id="1290920" UNION SELECT * FROM gallery2 WHERE topic_id="1584640"