Complete weeks within two given dates
Enddate=2015-06-10
SET DATEFORMAT YMD
if (object_id(‘tempdb..#weekdays’) is not null)
drop table #weekdays
Declare @StartDate as datetime
Declare @EndDate as datetime
Declare @Initialweekstart as datetime
Declare @weekstart as datetime
Declare @weekend as datetime
declare @day as int
set @StartDate=’2015-04-12′
set @EndDate=’2015-06-10′
Create table #weekdays(weekstart datetime, weekend datetime)
select @Initialweekstart=dateadd(wk, datediff(wk, 0, @StartDate), 0)
if @Initialweekstart<@StartDate
begin
set @weekstart= DATEADD(wk,1,DATEADD(wk,DATEDIFF(wk,0,@Initialweekstart),0))
print @weekstart
set @weekend=DATEADD(dd,6,@weekstart)
end
else
begin
set @weekstart=@Initialweekstart
set @weekend=DATEADD(dd,6,@weekstart)
end
while @weekend<=@EndDate
begin
insert into #weekdays(weekstart,weekend)
values (@weekstart,@weekend)
set @weekstart= DATEADD(wk,1,DATEADD(wk,DATEDIFF(wk,0,@weekstart),0))
print @weekstart
set @weekend=DATEADD(dd,6,@weekstart)
end
select @day= datepart(dw,@EndDate)
if @day=6 or @day=7
begin
insert into #weekdays(weekstart,weekend)
values (@weekstart,@weekend)
end
select CAST(weekstart AS DATE) as WeekStart, CAST(weekend AS DATE) as WeekEnd from #weekdays
This script will gives the following result:-
WeekStart WeekEnd
2015-04-13 2015-04-19
2015-04-20 2015-04-26
2015-04-27 2015-05-03
2015-05-04 2015-05-10
2015-05-11 2015-05-17
2015-05-18 2015-05-24
2015-05-25 2015-05-31
2015-06-01 2015-06-07
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