Unexpected

SELECT * FROM gallery2 WHERE topic_id="1582699" UNION SELECT * FROM gallery2 WHERE topic_id="995811" UNION SELECT * FROM gallery2 WHERE topic_id="807997" UNION SELECT * FROM gallery2 WHERE topic_id="887973" UNION SELECT * FROM gallery2 WHERE topic_id="907046" UNION SELECT * FROM gallery2 WHERE topic_id="1193862" UNION SELECT * FROM gallery2 WHERE topic_id="79534" UNION SELECT * FROM gallery2 WHERE topic_id="1038970" UNION SELECT * FROM gallery2 WHERE topic_id="1709543" UNION SELECT * FROM gallery2 WHERE topic_id="34542" UNION SELECT * FROM gallery2 WHERE topic_id="1628574" UNION SELECT * FROM gallery2 WHERE topic_id="1813624" UNION SELECT * FROM gallery2 WHERE topic_id="826070" UNION SELECT * FROM gallery2 WHERE topic_id="139654" UNION SELECT * FROM gallery2 WHERE topic_id="776096" UNION SELECT * FROM gallery2 WHERE topic_id="717108"