id,user_id,depart_id, exam_id,title,total_time, user_time,total_score,qualify_score, obj_score,subj_score,user_score, has_saq,state,create_time, update_time,limit_time SELECT pp.*,uc.user_name FROM el_paper pp LEFT JOIN ${prefix}sys_user uc ON pp.user_id=uc.user_id AND pp.exam_id=#{examId} AND pp.user_id=#{userId} AND pp.depart_id=#{departId} AND pp.state=#{state} AND uc.user_name LIKE CONCAT('%',#{userName},'%') ORDER BY create_time DESC