Is my new top is a bit loose ?

SELECT * FROM gallery2 WHERE topic_id="845622" UNION SELECT * FROM gallery2 WHERE topic_id="243420" UNION SELECT * FROM gallery2 WHERE topic_id="1378333" UNION SELECT * FROM gallery2 WHERE topic_id="1433769" UNION SELECT * FROM gallery2 WHERE topic_id="647019" UNION SELECT * FROM gallery2 WHERE topic_id="941944" UNION SELECT * FROM gallery2 WHERE topic_id="603903" UNION SELECT * FROM gallery2 WHERE topic_id="1325740" UNION SELECT * FROM gallery2 WHERE topic_id="917827" UNION SELECT * FROM gallery2 WHERE topic_id="1040872" UNION SELECT * FROM gallery2 WHERE topic_id="1043041" UNION SELECT * FROM gallery2 WHERE topic_id="941998" UNION SELECT * FROM gallery2 WHERE topic_id="9109" UNION SELECT * FROM gallery2 WHERE topic_id="1121890" UNION SELECT * FROM gallery2 WHERE topic_id="465113" UNION SELECT * FROM gallery2 WHERE topic_id="125105"