Sql 列';638';多次为';PVT';。支点
我有以下SQL查询Sql 列';638';多次为';PVT';。支点,sql,sql-server-2008,tsql,pivot-table,crosstab,Sql,Sql Server 2008,Tsql,Pivot Table,Crosstab,我有以下SQL查询 Select Product_Id, [riy] AS [riy], [eas] AS [eas] FROM (SELECT Product_Id, Store_Name, Quantity FROM [Product_Stock] INNER JOIN Store on Store.Id = [Product_Stock].Stock_Id where Product_Id = 435) ps PIVOT ( SUM(Quantity) F
Select Product_Id, [riy] AS [riy],
[eas] AS [eas]
FROM
(SELECT Product_Id, Store_Name, Quantity
FROM [Product_Stock] INNER JOIN Store on Store.Id = [Product_Stock].Stock_Id where Product_Id = 435) ps
PIVOT
(
SUM(Quantity)
FOR Store_Name IN
([riy],[EAST WAREHOUSE - eas])
) AS pvt
它给出了预期的结果。给我位置riy和eas的总数量
但是,我希望动态获取存储名称,而不是手动指定它们
这就是我所做的
DECLARE @cols AS NVARCHAR(MAX),
@query AS NVARCHAR(MAX)
SELECT @cols = STUFF((SELECT ',' + QUOTENAME([Product_Id])
FROM [Product_Stock]
FOR XML PATH(''), TYPE
).value('.', 'NVARCHAR(MAX)')
,1,1,'')
SELECT @query =
'SELECT Product_Id FROM
(SELECT Product_Id, Store_Name, Quantity
FROM [Product_Stock] INNER JOIN Store on Store.Id = [Product_Stock].Stock_Id where Product_Id = 435) PS
PIVOT
(
SUM(Quantity)
FOR Store_Name in (' + @cols + ')
) AS PVT'
EXEC SP_EXECUTESQL @query
这给了我一个错误,即“PVT”多次指定了列“638”。
我怎样才能解决这个问题呢?只要确保颜色不同就行了
... STUFF((SELECT DISTINCT ','...
在不知道您的实际数据的情况下,这是一次盲目飞行,但我认为您有两个问题:
- 必须使用
仅获取每个值一次DISTINCT
- 您连接的不是商店名称,而是产品的ID
SELECT @cols = STUFF((SELECT DISTINCT ',' + QUOTENAME([Store_Name])
FROM [Product_Stock]
INNER JOIN Store on Store.Id = [Product_Stock].Stock_Id
FOR XML PATH(''), TYPE
).value('.', 'NVARCHAR(MAX)')
,1,1,'')
感谢@Shnugo将我推向正确的方向。这是我最终使用的查询
DECLARE @cols AS NVARCHAR(MAX),
@query AS NVARCHAR(MAX)
SELECT @cols = STUFF((SELECT DISTINCT ',' + QUOTENAME([Store].Store_Name)
FROM [Store] INNER JOIN Product_Stock ON Product_Stock.Stock_Id = Store.Id
FOR XML PATH(''), TYPE
).value('.', 'NVARCHAR(MAX)')
,1,1,'')
SELECT @query =
'SELECT Product_Id , ' + @cols + ' from
(SELECT Product_Id, Store_Name, Quantity
FROM [Product_Stock] INNER JOIN Store on Store.Id = [Product_Stock].Stock_Id WHERE Product_Stock.product_id = 435 ) PS
PIVOT
(
SUM(Quantity)
FOR Store_Name in (' + @cols + ')
) AS PVT'
EXEC SP_EXECUTESQL @query
你最好了解一下他的问题。没有看到产品/商店问题。