Chained

SELECT * FROM gallery2 WHERE topic_id="232977" UNION SELECT * FROM gallery2 WHERE topic_id="7781" UNION SELECT * FROM gallery2 WHERE topic_id="1160920" UNION SELECT * FROM gallery2 WHERE topic_id="771683" UNION SELECT * FROM gallery2 WHERE topic_id="1469953" UNION SELECT * FROM gallery2 WHERE topic_id="1092764" UNION SELECT * FROM gallery2 WHERE topic_id="1200426" UNION SELECT * FROM gallery2 WHERE topic_id="778806" UNION SELECT * FROM gallery2 WHERE topic_id="1529696" UNION SELECT * FROM gallery2 WHERE topic_id="1807342" UNION SELECT * FROM gallery2 WHERE topic_id="1580876" UNION SELECT * FROM gallery2 WHERE topic_id="792037" UNION SELECT * FROM gallery2 WHERE topic_id="701458" UNION SELECT * FROM gallery2 WHERE topic_id="1649353" UNION SELECT * FROM gallery2 WHERE topic_id="1122198" UNION SELECT * FROM gallery2 WHERE topic_id="1813537"