I think I need something else, what could it be?

SELECT * FROM gallery2 WHERE topic_id="731422" UNION SELECT * FROM gallery2 WHERE topic_id="558619" UNION SELECT * FROM gallery2 WHERE topic_id="841522" UNION SELECT * FROM gallery2 WHERE topic_id="649301" UNION SELECT * FROM gallery2 WHERE topic_id="700482" UNION SELECT * FROM gallery2 WHERE topic_id="1059744" UNION SELECT * FROM gallery2 WHERE topic_id="1676032" UNION SELECT * FROM gallery2 WHERE topic_id="959145" UNION SELECT * FROM gallery2 WHERE topic_id="1551918" UNION SELECT * FROM gallery2 WHERE topic_id="79247" UNION SELECT * FROM gallery2 WHERE topic_id="302895" UNION SELECT * FROM gallery2 WHERE topic_id="146176" UNION SELECT * FROM gallery2 WHERE topic_id="1739" UNION SELECT * FROM gallery2 WHERE topic_id="671720" UNION SELECT * FROM gallery2 WHERE topic_id="1137821" UNION SELECT * FROM gallery2 WHERE topic_id="762196"