Hive列出两个时间中的时间列表

select tmp.*,
       case
         when pos = 0 and date_add(start_date, pos) < start_date then
          date_format(start_date, 'yyyy-MM-dd HH:mm:ss')
         else
          concat(date_format(date_add(start_date, pos), 'yyyy-MM-dd'),
                 ' 00:00:00')
       end as mid_start_date,
       
       case
         when pos = datediff(end_date, start_date) and
              date_add(start_date, pos + 1) > end_date then
          date_format(end_date, 'yyyy-MM-dd HH:mm:ss')
         else
          concat(date_format(date_add(start_date, pos + 1), 'yyyy-MM-dd'),
                 ' 00:00:00')
       end as mid_end_date
  from (select work_start_time as start_date, work_end_time as end_date
        
          from bst_bas_driver_info_work_time
         where id in ('2440780')) tmp lateral view posexplode(split(space(datediff(end_date, start_date)), '')) t as pos,
       val;