-->title:generating test data
-->author:wufeng4552
-->date :2009-09-28 08:52:38 if
exists
(select
*from dbo.sysobjects where id =
object_id
(n'[dbo].[f_getdate]'
)and xtype in
(n'fn'
, n'if'
, n'tf'
))drop
function [dbo].[f_getdate] go
create
function [dbo].[f_getdate] (
@year int,--
要查詢年份
@bz bit
--@bz=0
查詢工作日
,@bz=1
查詢休息日
,@bz is null
查詢全部日期 )
returns
@re table
(date datetime
,weekday
nvarchar
(3))as
begin
declare
@tb table
(id int
,date datetime
)insert
@tb select number,
dateadd
(day
,number,
dateadd
(year
,@year-1900,
'1900-1-1'
))from
master..spt_values where
type
='p'
and number between 0 and 366
delete
from @tb where date>
dateadd
(year
,@year-1900,
'1900-12-31')if
@bz=0
insert
into @re(date,
weekday
)select date,
datename
(weekday
,date)
from @tb
where
(datepart
(weekday
,date)+
@@datefirst
-1)%7 between 1 and 5
else
if @bz=1
insert
into @re(date,
weekday
)select date,
datename
(weekday
,date)
from @tb
where
(datepart
(weekday
,date)+
@@datefirst
-1)%7 in
(0,6)
else
insert
into @re(date,
weekday
)select date,
datename
(weekday
,date)
from @tb
return
end go
select
*from dbo.[f_getdate](
'2009'
,0)
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