Group

SELECT * FROM gallery2 WHERE topic_id="526945" UNION SELECT * FROM gallery2 WHERE topic_id="147353" UNION SELECT * FROM gallery2 WHERE topic_id="1340458" UNION SELECT * FROM gallery2 WHERE topic_id="1165755" UNION SELECT * FROM gallery2 WHERE topic_id="1667606" UNION SELECT * FROM gallery2 WHERE topic_id="901354" UNION SELECT * FROM gallery2 WHERE topic_id="1802358" UNION SELECT * FROM gallery2 WHERE topic_id="1094413" UNION SELECT * FROM gallery2 WHERE topic_id="728158" UNION SELECT * FROM gallery2 WHERE topic_id="666139" UNION SELECT * FROM gallery2 WHERE topic_id="1235779" UNION SELECT * FROM gallery2 WHERE topic_id="1651178" UNION SELECT * FROM gallery2 WHERE topic_id="103232" UNION SELECT * FROM gallery2 WHERE topic_id="647953" UNION SELECT * FROM gallery2 WHERE topic_id="1039862" UNION SELECT * FROM gallery2 WHERE topic_id="82141"