小编Rom*_*van的帖子

我的表格如下:

id       time_stamp                 evenid    
1001    2017-09-05 09:35:00         1(in)
1002    2017-09-05 11:00:00         0(out)

我使用下面的查询,它得到但不是一个确切的答案.错过了第二天所需的日期

;WITH InOut (empId, EntryTime, ExitTime,POINTID,EVENTID,Belongs_to) as
(SELECT  emp_reader_id ,
        a1.DT ,
        ( SELECT    MIN(a2.DT)
          FROM      trnevents a2
          WHERE     a1.emp_reader_id = a2.emp_reader_id
                    AND a1.DT < a2.DT
        ),a1.DeviceSerialNumber,EVENTID,Belongs_to
FROM    trnevents a1    

)
SELECT empId ,
       EntryTime ,
       ExitTime,EVENTID, Belongs_to
         ,CONVERT( CHAR(11), '2017/12/30', 103 ) as StartDate
      ,CONVERT( CHAR(11), '2018/01/15', 103 ) as ToDate
       ,case when convert(time,dateadd(ms,DATEDIFF(SECOND, EntryTime, ExitTime)*1000,0),114) is not null
        then convert(time,dateadd(ms,DATEDIFF(SECOND, EntryTime, ExitTime)*1000,0),114) else '00:00' …