select empid,
sum
(
datediff
(
MINUTE,
case when timesheet.timein < @timeframe_start
then @timeframe_start
else timesheet.timein end,
case when timesheet.timeout > @timeframe_end
then @timeframe_end
else timesheet.timeout end
)
) as total_duration
from (
select timein.empid,
timein.swipe_time as timein,
timeout.swipe_time as timeout
from tbltest timein
left join tblTest timeout
on timein.empid = timeout.empid
and timeout.eventtype = 'ex'
and timeout.swipe_time =
(
select MIN(swipe_time)
from tblTest tcheck
where tcheck.empid = timeout.empid
and tcheck.eventtype = 'EX'
and tcheck.swipe_time > timein.swipe_time
)
where timein.eventtype = 'en'
) timesheet
where timesheet.timein between @timeframe_start and @timeframe_end
or timesheet.timeout between @timeframe_start and @timeframe_end
or (
timesheet.timein < @timeframe_start
and timesheet.timeout > @timeframe_end
)
group by empid
order by 2 desc
