Sql 带CTE的动态枢轴
我试图创建一个公共表表达式(CommonTableExpress,CTE)来存储我需要的一些数据,这些数据需要一组内部连接。然后,我想使用动态透视列透视结果。我写了下面的查询,但我得到了错误 “已定义但未使用的公用表表达式。” 如何基于CTE创建透视查询?顺便说一下,我可以不用CTE,但我想知道我是否可以用CTESql 带CTE的动态枢轴,sql,sql-server,tsql,Sql,Sql Server,Tsql,我试图创建一个公共表表达式(CommonTableExpress,CTE)来存储我需要的一些数据,这些数据需要一组内部连接。然后,我想使用动态透视列透视结果。我写了下面的查询,但我得到了错误 “已定义但未使用的公用表表达式。” 如何基于CTE创建透视查询?顺便说一下,我可以不用CTE,但我想知道我是否可以用CTE DECLARE @cols nvarchar(max) DECLARE @sql nvarchar(max) SELECT @cols = isnull(@cols + ', '
DECLARE @cols nvarchar(max)
DECLARE @sql nvarchar(max)
SELECT @cols = isnull(@cols + ', ', '') + '[' + Convert(varchar(max),T.CostCenterNumber) + ']' FROM (SELECT distinct CostCenterNumber FROM CostCenters) as T
;With PivotData as (
SELECT B.[Year], C.CostCenterNumber, C.CostCenterName, E.[Description] as GLClass, D.Code, D.[GLDescription], A.Total
From GeneralLedgers A inner join
Years B on A.YearID = B.ID
inner join CostCenters C on
A.CostCenterID = C.ID
inner join GLCodes D on
A.GLCodeID = D.ID inner join
GLClassificationTypes E on
D.GLClassificationTypeID = E.ID)
SELECT @sql = '
Select *
From(
SELECT [Year], CostCenterNumber, GLClass, Code, GLDescription, Total
FROM PivotData) as T
PIVOT
(
Max(Total)
for [CostCenterNumber] in (' + @cols + ')
)) as P'
EXEC(@sql)
这是你可以做到的。我已经在查询中编写了逻辑
DECLARE
@cols nvarchar(max),
@stmt nvarchar(max)
SELECT @cols = isnull(@cols + ', ', '') + '[' + Convert(nvarchar(max),T.CostCenterNumber)+ ']'
FROM (SELECT distinct CostCenterNumber FROM CostCenters) as T
SELECT @stmt = '
-- Your CTE goes here
;WITH CTE AS
(
SELECT [Year], E.[Description] as GLClass, Code,
GLDescription, CostCenterNumber, Total
FROM GeneralLedgers A inner join
Years B on A.YearID = B.ID inner join
GLCodes C on A.GLCodeID = C.ID inner join
CostCenters D on A.CostCenterID = D.ID inner join
GLClassificationTypes E on C.GLClassificationTypeID = E.ID
)
-- Pivoted reuslt
SELECT * FROM
(
-- Here you select the data from CTE
SELECT *
FROM CTE
)as T
PIVOT
(
max(T.Total)
for T.[CostCenterNumber] in (' + @cols + ')
) as P'
exec sp_executesql @stmt = @stmt