`id`,`course_id`,`dept_code` SELECT uc.user_name AS deptName, uc.real_name AS realName, SUM((SELECT IFNULL(SUM(learn_min),0) FROM el_course_file_learn fl WHERE fl.course_id=cl.course_id AND fl.user_id=cl.user_id )) AS total FROM el_course_depart dept LEFT JOIN sys_user uc ON dept.dept_code=uc.dept_code LEFT JOIN el_course_learn cl ON cl.user_id=uc.id AND cl.course_id=dept.course_id INNER JOIN el_course ec on ec.id = dept.course_id LEFT JOIN sys_depart sd on sd.dept_code = dept.dept_code uc.id IS NOT NULL AND sd.data_flag != '1' AND cl.create_time >= #{query.statDateL} AND cl.create_time < #{query.statDateR} AND cd.dept_code = #{query.q} group by uc.user_name,uc.real_name, uc.id ORDER BY total DESC LIMIT 20 SELECT uc.user_name AS deptName, uc.real_name AS realName, SUM((SELECT IFNULL(SUM(learn_min),0) FROM el_course_file_learn fl WHERE fl.course_id=cl.course_id AND fl.user_id=cl.user_id )) AS total FROM sys_user uc LEFT JOIN el_course_learn cl ON cl.user_id=uc.id INNER JOIN el_course ec on ec.id = cl.course_id LEFT JOIN sys_depart sd on sd.dept_code = uc.dept_code uc.id IS NOT NULL AND sd.data_flag != '1' AND cl.create_time >= #{query.statDateL} AND cl.create_time < #{query.statDateR} AND cd.dept_code = #{query.q} group by uc.user_name,uc.real_name, uc.id ORDER BY total DESC LIMIT 20