原文:SQL点滴5—产生时间demention，主要是时间转换
数据仓库中有时间表，存储时间信息，这个存储过程接收开始时间结束时间，写入时间具体信息。有高手用excel函数功能很快能产生INSERT语句不会啊，只能用这个。
1 vSET ANSI_NULLS ON
2 GO
3
4 SET QUOTED_IDENTIFIER ON
5 GO
6
7 /*--------------------------------------------------------
8 *generate Date demention
9 *@startdate '01/01/2010'
10 *@enddate '12/30/2010'
11 ---------------------------------------------------------*/
12
13 CREATE PROCEDURE dbo.AddDateTime
14 @startdate datetime,
15 @enddate datetime
16 AS
17 declare @i int
18 set @i=1
19
20 while(DATEDIFF(DD,@startdate,@enddate)>=0)
21 begin
22
23 insert into [ReportServer].[dbo].[D_DATE](
24 [DATE_KEY], --primarykey
25 [DATE], --datetime
26 [FULL_DATE_DESCRIPTION], --detail date
27 [DAY_OF_WEEK], --day of week from 1 to 6
28 [CALENDAR_MONTH], --month of year from 1 to 12
29 [CALENDAR_YEAR], --year
30 [FISCAL_YEAR_MONTH], --fiscal year
31 [HOLIDAY_INDICATOR], --holiday iden
32 [WEEKDAY_INDICATOR])
33 select
34 @i,
35 CONVERT(varchar(10),@startdate,101),
36 DATENAME(mm,@startdate)+' '+DATENAME(DD,@startdate)+', '+DATENAME(YYYY,@startdate),
37 DATEPART(DW,@startdate),
38 DATEPART(MM,@startdate),
39 DATEPART(YYYY,@startdate),
40 'F'+ CONVERT(varchar(7),@startdate,23),
41 case
42 when( CONVERT(varchar(5),@startdate,101) in ('01/01','01/05','02/05','03/05','01/10','02/10','03/10','04/10','05/10','06/10') ) then 1
43 else 0 end,
44 case
45 when(DATENAME(DW,@startdate) in ('Saturday','Sunday')) then 1
46 else 0 end
47
48 if DATEDIFF(DD,@startdate,@enddate)>=0
49
50 begin
51 set @startdate = DATEADD(dd,1,@startdate)
52 set @i=@i+1
53 continue
54 end
55
56 else
57
58 begin
59 break
60 end
61
62 end