Sql 每月第二周
USE [UILogDB]
GO
/****** Object: StoredProcedure [dbo].[usp_jx_weekdate] Script Date: 11/08/2011 17:57:41 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
-- =============================================
-- Author: <jianxiong>
-- Create date: <2011-11-08>
-- Description: <weekdate>
-- =============================================
CREATE PROCEDURE [dbo].[usp_jx_weekdate]
-- Add the parameters for the stored procedure here
@tablename varchar(500),
@datefield varchar(500),
@weeknum int
AS
BEGIN
-- SET NOCOUNT ON added to prevent extra result sets from
-- interfering with SELECT statements.
SET NOCOUNT ON;
declare @sql1 varchar(max)
declare @sql2 varchar (max)
declare @weekbegin int
declare @weekend int
declare @showfield varchar(max)
-- Insert statements for procedure here
if @weeknum=1
begin
set @weekbegin=2
set @weekend=8
end
else if @weeknum=2
begin
set @weekbegin=9
set @weekend=15
end
else if @weeknum=3
begin
set @weekbegin=16
set @weekend=22
end
else if @weeknum=4
begin
set @weekbegin=23
set @weekend=29
end
else if @weeknum=5
begin
set @weekbegin=30
set @weekend=36
end
else
begin
set @weekbegin=2
set @weekend=8
end
set @showfield='select'
select @showfield=@showfield+ ',['+name+'] ' from syscolumns where id=object_id(@tablename) order by colid
set @showfield=REPLACE(@showfield,'select,','')
set @sql1=
('
with week as
(
select
case
when MONTH('+@datefield+')=1 then (select top 1 '+@datefield+'PART(DW,'+@datefield+'ADD(day,-1,'+@datefield+')) as week from '+@tablename+' b where MONTH('+@datefield+')=1 and year(a.'+@datefield+')=year(b.'+@datefield+') order by b.date)+day('+@datefield+')
when MONTH('+@datefield+')=2 then (select top 1 '+@datefield+'PART(DW,'+@datefield+'ADD(day,-1,'+@datefield+')) as week from '+@tablename+' b where MONTH('+@datefield+')=2 and year(a.'+@datefield+')=year(b.'+@datefield+') order by b.date)+day('+@datefield+')
when MONTH('+@datefield+')=3 then (select top 1 '+@datefield+'PART(DW,'+@datefield+'ADD(day,-1,'+@datefield+')) as week from '+@tablename+' b where MONTH('+@datefield+')=3 and year(a.'+@datefield+')=year(b.'+@datefield+') order by b.date)+day('+@datefield+')
when MONTH('+@datefield+')=4 then (select top 1 '+@datefield+'PART(DW,'+@datefield+'ADD(day,-1,'+@datefield+')) as week from '+@tablename+' b where MONTH('+@datefield+')=4 and year(a.'+@datefield+')=year(b.'+@datefield+') order by b.date)+day('+@datefield+')
when MONTH('+@datefield+')=5 then (select top 1 '+@datefield+'PART(DW,'+@datefield+'ADD(day,-1,'+@datefield+')) as week from '+@tablename+' b where MONTH('+@datefield+')=5 and year(a.'+@datefield+')=year(b.'+@datefield+') order by b.date)+day('+@datefield+')
when MONTH('+@datefield+')=6 then (select top 1 '+@datefield+'PART(DW,'+@datefield+'ADD(day,-1,'+@datefield+')) as week from '+@tablename+' b where MONTH('+@datefield+')=6 and year(a.'+@datefield+')=year(b.'+@datefield+') order by b.date)+day('+@datefield+')
when MONTH('+@datefield+')=7 then (select top 1 '+@datefield+'PART(DW,'+@datefield+'ADD(day,-1,'+@datefield+')) as week from '+@tablename+' b where MONTH('+@datefield+')=7 and year(a.'+@datefield+')=year(b.'+@datefield+') order by b.date)+day('+@datefield+')
when MONTH('+@datefield+')=8 then (select top 1 '+@datefield+'PART(DW,'+@datefield+'ADD(day,-1,'+@datefield+')) as week from '+@tablename+' b where MONTH('+@datefield+')=8 and year(a.'+@datefield+')=year(b.'+@datefield+') order by b.date)+day('+@datefield+')
when MONTH('+@datefield+')=9 then (select top 1 '+@datefield+'PART(DW,'+@datefield+'ADD(day,-1,'+@datefield+')) as week from '+@tablename+' b where MONTH('+@datefield+')=9 and year(a.'+@datefield+')=year(b.'+@datefield+') order by b.date)+day('+@datefield+')
')
set @sql2=
('
when MONTH('+@datefield+')=10 then (select top 1 '+@datefield+'PART(DW,'+@datefield+'ADD(day,-1,'+@datefield+')) as week from '+@tablename+' b where MONTH('+@datefield+')=10 and year(a.'+@datefield+')=year(b.'+@datefield+') order by b.date)+day('+@datefield+')
when MONTH('+@datefield+')=11 then (select top 1 '+@datefield+'PART(DW,'+@datefield+'ADD(day,-1,'+@datefield+')) as week from '+@tablename+' b where MONTH('+@datefield+')=11 and year(a.'+@datefield+')=year(b.'+@datefield+') order by b.date)+day('+@datefield+')
when MONTH('+@datefield+')=12 then (select top 1 '+@datefield+'PART(DW,'+@datefield+'ADD(day,-1,'+@datefield+')) as week from '+@tablename+' b where MONTH('+@datefield+')=12 and year(a.'+@datefield+')=year(b.'+@datefield+') order by b.date)+day('+@datefield+')
end as week,*
from '+@tablename+' a
)
select '+@showfield+' from week where week between '+convert(varchar(5),@weekbegin)+' and '+convert(varchar(5),@weekend)+'
')
exec (@sql1+@sql2)
END
其中
yr_view_orders_rate 为原数据表名
date 为日期字段