Sql server 将动态数据透视结果获取到临时表SQL Server中
我想将动态透视结果放入临时表中,通过临时表,我可以使用select查询将其发送回C代码Sql server 将动态数据透视结果获取到临时表SQL Server中,sql-server,sql-server-2008,Sql Server,Sql Server 2008,我想将动态透视结果放入临时表中,通过临时表,我可以使用select查询将其发送回C代码 DECLARE @partymasterid bigint = 2; DECLARE @cols AS NVARCHAR(MAX); DECLARE @query AS NVARCHAR(MAX); SELECT @cols = STUFF((SELECT DISTINCT '[' + CAST(dbo.InventoryProductMaster.Name AS nvarchar(max))
DECLARE @partymasterid bigint = 2;
DECLARE @cols AS NVARCHAR(MAX);
DECLARE @query AS NVARCHAR(MAX);
SELECT
@cols = STUFF((SELECT DISTINCT '[' + CAST(dbo.InventoryProductMaster.Name AS nvarchar(max)) + '],'
FROM dbo.InventoryBiltyMaster
INNER JOIN dbo.InventoryPartyProductPriceMaster ON dbo.InventoryBiltyMaster.InventoryPartyProductPriceMasterID = dbo.InventoryPartyProductPriceMaster.ID
INNER JOIN dbo.InventoryProductMaster ON dbo.InventoryPartyProductPriceMaster.InventoryProductMasterID = dbo.InventoryProductMaster.ID
WHERE dbo.InventoryBiltyMaster.PartyMasterID = @partymasterid
FOR XML PATH(''), TYPE).value('.', 'NVARCHAR(MAX)'), 1, 0, '');
SELECT @query =
'
SELECT
*
FROM
(SELECT
Count(dbo.InventoryBiltyMaster.ID) AS BiltyCount,
--dbo.InventoryBiltyMaster.InventoryProductMasterID,
--dbo.InventoryBiltyMaster.VehicleMasterID,
dbo.InventoryProductMaster.Name,
dbo.VehicleMaster.VehicleNumber
FROM
dbo.InventoryBiltyMaster
INNER JOIN dbo.InventoryPartyProductPriceMaster ON dbo.InventoryBiltyMaster.InventoryPartyProductPriceMasterID = dbo.InventoryPartyProductPriceMaster.ID
INNER JOIN dbo.InventoryProductMaster ON dbo.InventoryPartyProductPriceMaster.InventoryProductMasterID = dbo.InventoryProductMaster.ID
INNER JOIN dbo.VehicleMaster ON dbo.InventoryBiltyMaster.VehicleMasterID = dbo.VehicleMaster.ID
WHERE
dbo.InventoryBiltyMaster.PartyMasterID = ' + CAST(@partymasterid as nvarchar(50)) + '
GROUP BY
dbo.InventoryBiltyMaster.InventoryProductMasterID,
dbo.InventoryProductMaster.Name,
dbo.InventoryBiltyMaster.VehicleMasterID,
dbo.VehicleMaster.VehicleNumber
)
AS S
PIVOT
(
MAX(BiltyCount)
FOR [Name] IN (' + LEFT(@cols, LEN(@cols)-1) + ')
)AS pvt';
EXEC SP_EXECUTESQL @query
这里可能有3列、5列或10-15列的结果。这取决于查询的结果。这个结果我想在临时表上使用更多的数据。
我想在存储过程中使用它将结果发送回带有Entity Framework的ASP.NET MVC 5在使用sp_executesql时,如果不在父作用域中定义它,则无法将结果存储在临时表中。在你的例子中,你有一个动态轴心,你不知道会有什么和多少列
sp_executesql在不同的会话中运行sp_executesql创建自己的会话,临时表是特定于会话的
对于您的场景,您可以使用全局临时表。您可以像下面这样更改查询
SELECT @query =
'
SELECT
* into ##temp
FROM
(SELECT
Count(dbo.InventoryBiltyMaster.ID) AS BiltyCount,
--dbo.InventoryBiltyMaster.InventoryProductMasterID,
--dbo.InventoryBiltyMaster.VehicleMasterID,
dbo.InventoryProductMaster.Name,
dbo.VehicleMaster.VehicleNumber
FROM
dbo.InventoryBiltyMaster
INNER JOIN dbo.InventoryPartyProductPriceMaster ON dbo.InventoryBiltyMaster.InventoryPartyProductPriceMasterID = dbo.InventoryPartyProductPriceMaster.ID
INNER JOIN dbo.InventoryProductMaster ON dbo.InventoryPartyProductPriceMaster.InventoryProductMasterID = dbo.InventoryProductMaster.ID
INNER JOIN dbo.VehicleMaster ON dbo.InventoryBiltyMaster.VehicleMasterID = dbo.VehicleMaster.ID
WHERE
dbo.InventoryBiltyMaster.PartyMasterID = ' + CAST(@partymasterid as nvarchar(50)) + '
GROUP BY
dbo.InventoryBiltyMaster.InventoryProductMasterID,
dbo.InventoryProductMaster.Name,
dbo.InventoryBiltyMaster.VehicleMasterID,
dbo.VehicleMaster.VehicleNumber
)
AS S
PIVOT
(
MAX(BiltyCount)
FOR [Name] IN (' + LEFT(@cols, LEN(@cols)-1) + ')
)AS pvt';
EXEC SP_EXECUTESQL @query
--now you can use ##temp
注意:使用全局临时表可能会导致不可预测的行为,如果它从多个会话中更新,您可能会考虑为每个会话指定一个唯一的名称。谢谢@PSK的帮助。