AND (lc.student_range_type_ == 'ALL' OR (lcum.user_id_ = #{param.studentId} AND lcum.user_type_ = 'STUDENT')) AND (lc.teacher_range_type_ == 'ALL' OR (lcum.user_id_ = #{param.teacherId} AND lcum.user_type_ = 'TEACHER')) and lc.lesson_course_id_ IN #{lessonCoursewareId} and lc.id_subject_id_ = #{param.subjectId} and lc.student_range_type_ = #{param.studentRangeType} and lc.teacher_range_type_ = #{param.teacherRangeType} and lc.id_enable_ = #{param.enable} select lc.id_ id, lc.subject_id_ subjectId, lc.lesson_course_id_ lessonCoursewareId, lc.enable_ enable, lc.student_range_type_ studentRangeType, lc.teacher_range_type_ teacherRangeType from lesson_courseware lc left join lesson_courseware_user_mapper lcum ON lcum.lesson_courseware_id_ = lc.id_ GROUP BY lc.id_ order by lc.create_time_ desc select lc.id_ id, lc.subject_id_ subjectId, lc.lesson_course_id_ lessonCoursewareId, lc.enable_ enable from lesson_courseware lc left join lesson_courseware_user_mapper lcum ON lcum.lesson_courseware_id_ = lc.id_ GROUP BY lc.id_ order by lc.create_time_ desc select s.* from lesson_courseware lc left join subject s on s.id_ = lc.subject_id_ where lc.subject_id_ IS NOT NULL group by lc.subject_id_