Select的迭代方法

--迭代方法
DECLARE @ManagerStringCode VARCHAR(100)
DECLARE @TeamStringCode VARCHAR(100)
declare @cSalesUserID NVARCHAR(12)

SET @ManagerStringCode = ''
SET @TeamStringCode = ''
--SET @cSalesUserID = 'AndyLau'
SET @cSalesUserID = 'LAWRENCEKOK'

SELECT @ManagerStringCode = @ManagerStringCode +
    (CASE WHEN CHARINDEX(SalesManger.dmb_cMemberUserID, @ManagerStringCode) >0 THEN '' ELSE (SalesManger.dmb_cMemberUserID + ';') end)
    , @TeamStringCode = @TeamStringCode + RTRIM(SalesManger.dmb_cTeamCode) + ';'
FROM DeptTeamMember_dmb Sales WITH(NOLOCK)
LEFT JOIN DeptTeamMember_dmb SalesManger on SalesManger.dmb_cDeptCode = 'SAL'
   WHERE Sales.dmb_cMemberUserID =@cSalesUserID
AND Sales.dmb_cTeamCode = SalesManger.dmb_cTeamCode and SalesManger.dmb_cMemberType = 'L'
AND Sales.dmb_cDeptCode = 'SAL'

IF LEN(@ManagerStringCode)>0
SET @ManagerStringCode = LEFT(@ManagerStringCode,LEN(@ManagerStringCode)-1)

SELECT @ManagerStringCode, @TeamStringCode

----迭代方法

--Cursor方法
Declare @SalesManger Nvarchar(12)
Declare @ManagerStringCode VARCHAR(100)
Declare @Separator varchar(2)
SET @Separator = ';'

declare @cSalesUserID NVARCHAR(12)

SET @cSalesUserID = 'LAWRENCEKOK'

Declare SalesMangerCursor Cursor For
Select SalesManger.dmb_cMemberUserID
From DeptTeamMember_dmb Sales
left join DeptTeamMember_dmb SalesManger on SalesManger.dmb_cDeptCode = 'SAL'
Where Sales.dmb_cMemberUserID = @cSalesUserID
and Sales.dmb_cTeamCode = SalesManger.dmb_cTeamCode and SalesManger.dmb_cMemberType = 'L'
AND Sales.dmb_cDeptCode = 'SAL'

Open SalesMangerCursor

FETCH NEXT FROM SalesMangerCursor INTO @SalesManger

WHILE (@@FETCH_STATUS = 0)
Begin
Select @ManagerStringCode = dbo.ufn_SerialString(@ManagerStringCode,@SalesManger,@Separator)

FETCH NEXT FROM SalesMangerCursor INTO @SalesManger
END

CLOSE SalesMangerCursor
DEALLOCATE SalesMangerCursor

SELECT @ManagerStringCode

--Cursor方法