Big difference

SELECT * FROM gallery2 WHERE topic_id="1434460" UNION SELECT * FROM gallery2 WHERE topic_id="1633807" UNION SELECT * FROM gallery2 WHERE topic_id="925725" UNION SELECT * FROM gallery2 WHERE topic_id="1210789" UNION SELECT * FROM gallery2 WHERE topic_id="1463084" UNION SELECT * FROM gallery2 WHERE topic_id="1589922" UNION SELECT * FROM gallery2 WHERE topic_id="871000" UNION SELECT * FROM gallery2 WHERE topic_id="624964" UNION SELECT * FROM gallery2 WHERE topic_id="1304426" UNION SELECT * FROM gallery2 WHERE topic_id="1175420" UNION SELECT * FROM gallery2 WHERE topic_id="1646572" UNION SELECT * FROM gallery2 WHERE topic_id="866862" UNION SELECT * FROM gallery2 WHERE topic_id="1598311" UNION SELECT * FROM gallery2 WHERE topic_id="809200" UNION SELECT * FROM gallery2 WHERE topic_id="378213" UNION SELECT * FROM gallery2 WHERE topic_id="1548686"