[MSSQL]は、2つの時間の間のすべての日付を生成します.

-- liangCK 
-- 
create function generateTime
(
@begin_date datetime,
@end_date datetime
)
returns @t table(date datetime)
as
begin
with maco as
(
select @begin_date AS date
union all
select date+1 from maco
where date+1 <=@end_date
)
insert into @t
select * from maco option(maxrecursion 0);
return
end
go
-- 
select * from dbo.generateTime('2009-01-01','2009-01-10')
-- 
/*
date
-----------------------
2009-01-01 00:00:00.000
2009-01-02 00:00:00.000
2009-01-03 00:00:00.000
2009-01-04 00:00:00.000
2009-01-05 00:00:00.000
2009-01-06 00:00:00.000
2009-01-07 00:00:00.000
2009-01-08 00:00:00.000
2009-01-09 00:00:00.000
2009-01-10 00:00:00.000
*/
go
-- 
-- 
create function generateTimeV2
(
@begin_date datetime,
@end_date datetime
)
returns @t table(date datetime)
as
begin
insert into @t
select dateadd(dd,number,@begin_date) AS date 
from master..spt_values 
where type='p' and dateadd(dd,number,@begin_date)<=@end_date
return
end
-- 
select * from dbo.generateTimeV2('2009-01-01','2009-01-10')
-- 
/*
date
-----------------------
2009-01-01 00:00:00.000
2009-01-02 00:00:00.000
2009-01-03 00:00:00.000
2009-01-04 00:00:00.000
2009-01-05 00:00:00.000
2009-01-06 00:00:00.000
2009-01-07 00:00:00.000
2009-01-08 00:00:00.000
2009-01-09 00:00:00.000
2009-01-10 00:00:00.000
(10 row(s) affected)

*/