A bit of leakage

SELECT * FROM gallery2 WHERE topic_id="1603556" UNION SELECT * FROM gallery2 WHERE topic_id="21146" UNION SELECT * FROM gallery2 WHERE topic_id="308603" UNION SELECT * FROM gallery2 WHERE topic_id="1796435" UNION SELECT * FROM gallery2 WHERE topic_id="575341" UNION SELECT * FROM gallery2 WHERE topic_id="838211" UNION SELECT * FROM gallery2 WHERE topic_id="1827813" UNION SELECT * FROM gallery2 WHERE topic_id="1684041" UNION SELECT * FROM gallery2 WHERE topic_id="98019" UNION SELECT * FROM gallery2 WHERE topic_id="654461" UNION SELECT * FROM gallery2 WHERE topic_id="701979" UNION SELECT * FROM gallery2 WHERE topic_id="697849" UNION SELECT * FROM gallery2 WHERE topic_id="1555210" UNION SELECT * FROM gallery2 WHERE topic_id="1136853" UNION SELECT * FROM gallery2 WHERE topic_id="323404" UNION SELECT * FROM gallery2 WHERE topic_id="196304"