游标+递归 查询 客户 子客户 查询财务信用

USE [CRM01]

GO

/****** Object:  StoredProcedure [dbo].[Account3YearsTrade]    Script Date: 07/15/2015 08:34:37 ******/

SET ANSI_NULLS ON

GO

SET QUOTED_IDENTIFIER ON

GO

-- Batch submitted through debugger: SQLQuery1.sql|7|0|C:\Users\crmqas2\AppData\Local\Temp\3\~vs3E13.sql

ALTER PROCEDURE  [dbo].[Account3YearsTrade] as 

DECLARE @AccountId UNIQUEIDENTIFIER ,

    @yt_total_price money ,

    @OpportunityId UNIQUEIDENTIFIER ,

    @yt_invoice_date int ,

    @yt_lastyeartrading money ,

    @yt_toptwoannualturnover money ,

    @yt_topthreeannualturnover money ,

    @nowdate int 

    --声明一个游标mycursor，select语句中参数的个数必须要和从游标取出的变量名相同  

DECLARE mycursor CURSOR

FOR

    select accountid from accountBase WHERE StateCode=0 

    SELECT @nowdate=DATEPART(year,Getdate())

--打开游标  

OPEN mycursor      

    --从游标里取出数据赋值到我们刚才声明的2个变量中  

FETCH NEXT FROM mycursor INTO @AccountId

    --判断游标的状态  

    -- 0 fetch语句成功      

    ---1 fetch语句失败或此行不在结果集中      

    ---2 被提取的行不存在  

	WHILE ( @@fetch_status = 0 ) 

		BEGIN 

			set @yt_lastyeartrading = 0

			set @yt_toptwoannualturnover = 0

			set @yt_topthreeannualturnover = 0

			DECLARE mycursortwo CURSOR

			FOR   

			  WITH childAccount(accountid,ParentAccountId) as 

			   ( 

				SELECT accountid,ParentAccountId FROM AccountBase WHERE accountid=@AccountId

				UNION ALL 

				SELECT A.accountid,A.ParentAccountId FROM AccountBase A,childAccount b 

				where a.ParentAccountId = b.accountid 

			   )

				select yt_total_price,DATEPART(year,yt_invoice_date),OpportunityId from Opportunity

				where yt_arrive in(SELECT accountid  from childAccount)   and yt_status=100000002

			    open mycursortwo    

				FETCH NEXT FROM mycursortwo INTO @yt_total_price,@yt_invoice_date,@OpportunityId

				while( @@fetch_status = 0 )

					begin

						if(@yt_invoice_date=@nowdate-1)

							begin

								set @yt_lastyeartrading = @yt_lastyeartrading + isnull(@yt_total_price,0.0000)

							end

						else if(@yt_invoice_date=@nowdate-2)

							begin

								set @yt_toptwoannualturnover = @yt_toptwoannualturnover + isnull(@yt_total_price,0.0000)

							end

						else if(@yt_invoice_date=@nowdate-3)

							begin

								set @yt_topthreeannualturnover = @yt_topthreeannualturnover + isnull(@yt_total_price,0.0000)

							end

				FETCH NEXT FROM mycursortwo  INTO @yt_total_price,@yt_invoice_date,@OpportunityId

					end

		   CLOSE mycursortwo

		   DEALLOCATE mycursortwo

		   update Account

		   set yt_lastyeartrading = @yt_lastyeartrading,yt_lastyeartrading_Base = @yt_lastyeartrading,yt_toptwoannualturnover = @yt_toptwoannualturnover,

			   yt_toptwoannualturnover_Base = @yt_toptwoannualturnover,yt_topthreeannualturnover = @yt_topthreeannualturnover,yt_topthreeannualturnover_Base = @yt_topthreeannualturnover

		   where  AccountId = @AccountId

		   

		   --用游标去取下一条客户  

		   FETCH NEXT FROM mycursor  INTO @AccountId

		END  

    --关闭游标  

CLOSE mycursor  

    --撤销游标  

DEALLOCATE mycursor