expression

SELECT * FROM gallery2 WHERE topic_id="48800" UNION SELECT * FROM gallery2 WHERE topic_id="1265638" UNION SELECT * FROM gallery2 WHERE topic_id="1277951" UNION SELECT * FROM gallery2 WHERE topic_id="1435681" UNION SELECT * FROM gallery2 WHERE topic_id="591570" UNION SELECT * FROM gallery2 WHERE topic_id="1385029" UNION SELECT * FROM gallery2 WHERE topic_id="618372" UNION SELECT * FROM gallery2 WHERE topic_id="125189" UNION SELECT * FROM gallery2 WHERE topic_id="584135" UNION SELECT * FROM gallery2 WHERE topic_id="984931" UNION SELECT * FROM gallery2 WHERE topic_id="424792" UNION SELECT * FROM gallery2 WHERE topic_id="1747997" UNION SELECT * FROM gallery2 WHERE topic_id="103407" UNION SELECT * FROM gallery2 WHERE topic_id="1049731" UNION SELECT * FROM gallery2 WHERE topic_id="327744" UNION SELECT * FROM gallery2 WHERE topic_id="1030096"