select member_discuss_id, member_user_id, live_broadcast_id, course_id, chapter_id, content, sort, remarks, status, publication_time, publisher, create_time, create_by, update_time, update_by, delete_time, delete_by, del_flag from tb_member_discuss insert into tb_member_discuss member_user_id, live_broadcast_id, course_id, chapter_id, content, sort, remarks, status, publication_time, publisher, create_time, create_by, update_time, update_by, delete_time, delete_by, del_flag, #{memberUserId}, #{liveBroadcastId}, #{courseId}, #{chapterId}, #{content}, #{sort}, #{remarks}, #{status}, #{publicationTime}, #{publisher}, #{createTime}, #{createBy}, #{updateTime}, #{updateBy}, #{deleteTime}, #{deleteBy}, #{delFlag}, update tb_member_discuss member_user_id = #{memberUserId}, live_broadcast_id = #{liveBroadcastId}, course_id = #{courseId}, chapter_id = #{chapterId}, content = #{content}, sort = #{sort}, remarks = #{remarks}, status = #{status}, publication_time = #{publicationTime}, publisher = #{publisher}, create_time = #{createTime}, create_by = #{createBy}, update_time = #{updateTime}, update_by = #{updateBy}, delete_time = #{deleteTime}, delete_by = #{deleteBy}, del_flag = #{delFlag}, where member_discuss_id = #{memberDiscussId} delete from tb_member_discuss where member_discuss_id = #{memberDiscussId} delete from tb_member_discuss where member_discuss_id in #{memberDiscussId}