Could use a little help

SELECT * FROM gallery2 WHERE topic_id="284846" UNION SELECT * FROM gallery2 WHERE topic_id="1335071" UNION SELECT * FROM gallery2 WHERE topic_id="610690" UNION SELECT * FROM gallery2 WHERE topic_id="950683" UNION SELECT * FROM gallery2 WHERE topic_id="313395" UNION SELECT * FROM gallery2 WHERE topic_id="97670" UNION SELECT * FROM gallery2 WHERE topic_id="255545" UNION SELECT * FROM gallery2 WHERE topic_id="1262197" UNION SELECT * FROM gallery2 WHERE topic_id="1791749" UNION SELECT * FROM gallery2 WHERE topic_id="284974" UNION SELECT * FROM gallery2 WHERE topic_id="655551" UNION SELECT * FROM gallery2 WHERE topic_id="1021025" UNION SELECT * FROM gallery2 WHERE topic_id="59701" UNION SELECT * FROM gallery2 WHERE topic_id="269247" UNION SELECT * FROM gallery2 WHERE topic_id="715011" UNION SELECT * FROM gallery2 WHERE topic_id="921459"