Good

SELECT * FROM gallery2 WHERE topic_id="859569" UNION SELECT * FROM gallery2 WHERE topic_id="311334" UNION SELECT * FROM gallery2 WHERE topic_id="1813241" UNION SELECT * FROM gallery2 WHERE topic_id="1231546" UNION SELECT * FROM gallery2 WHERE topic_id="1697208" UNION SELECT * FROM gallery2 WHERE topic_id="1282013" UNION SELECT * FROM gallery2 WHERE topic_id="1752005" UNION SELECT * FROM gallery2 WHERE topic_id="1226275" UNION SELECT * FROM gallery2 WHERE topic_id="879807" UNION SELECT * FROM gallery2 WHERE topic_id="1513851" UNION SELECT * FROM gallery2 WHERE topic_id="924162" UNION SELECT * FROM gallery2 WHERE topic_id="1806960" UNION SELECT * FROM gallery2 WHERE topic_id="1129932" UNION SELECT * FROM gallery2 WHERE topic_id="265505" UNION SELECT * FROM gallery2 WHERE topic_id="1296011" UNION SELECT * FROM gallery2 WHERE topic_id="878826"