select * from fs_user_course_period_days
insert into fs_user_course_period_days
period_id,lesson,start_time,end_time,course_id,video_id,money,status,create_time,create_by,update_by,update_time,remark,#{periodId},#{lesson},#{startTime},#{endTime},#{courseId},#{videoId},#{money},#{status},#{createTime},#{createBy},#{updateBy},#{updateTime},#{remark},
update fs_user_course_period_days
period_id = #{periodId},lesson = #{lesson},start_time = #{startTime},end_time = #{endTime},course_id = #{courseId},video_id = #{videoId},money = #{money},status = #{status},create_time = #{createTime},create_by = #{createBy},update_by = #{updateBy},update_time = #{updateTime},remark = #{remark},
where id = #{id}
delete from fs_user_course_period_days where id = #{id}
delete from fs_user_course_period_days where id in
#{id}
update fs_user_course_period_days
day_date =
when id=#{item.id} then #{item.dayDate}
lesson =
when id=#{item.id} then #{item.lesson}
where id in
#{item.id}
update fs_user_course_period_days ucpd
set ucpd.status = 1, ucpd.update_time = #{now}
where ucpd.status = 0 and ucpd.start_date_time >= #{now}
update fs_user_course_period_days ucpd
set ucpd.status = 2, ucpd.update_time = #{now}