將動態生成的數據透視表放入臨時表

Question

我見過this，所以我知道如何使用動態生成的一組字段創建數據透視表。我現在的問題是，我想將結果放到臨時表中。

我知道，爲了將結果集從EXEC語句中獲取到臨時表中，您需要預先定義臨時表。在動態生成數據透視表的情況下，無法事先知道這些字段。

我能想到得到這種類型的功能的唯一方法是使用動態SQL創建一個永久表。有沒有更好的辦法？

Answer 1

你可以這樣做：

-- add 'loopback' linkedserver 
if exists (select * from master..sysservers where srvname = 'loopback') 
    exec sp_dropserver 'loopback' 
go 
exec sp_addlinkedserver @server = N'loopback', 
    @srvproduct = N'', 
    @provider = N'SQLOLEDB', 
    @datasrc = @@servername 
go 

declare @myDynamicSQL varchar(max) 
select @myDynamicSQL = 'exec sp_who' 
exec(' 
    select * into #t from openquery(loopback, ''' + @myDynamicSQL + '''); 
    select * from #t 
    ') 

編輯：addded動態sql接受PARAMS到OPENQUERY

Answer 2

讓我嘗試的選擇這樣的解釋，而不是進。我也運行SQL Server 2005。因爲你有透視表我要去承擔相同或2008

select 
    o.*, 
    OtherField1, 
    OtherField2 
INTO #temp 
FROM 
    OriginalOtherData as ood 
PIVOT (
    MAX([Value]) 
    FOR Field in (OtherField1, OtherField2) 
) as piv 
RIGHT OUTER join 
    Original o on o.OriginalSD = piv.OriginalSD 

select * from #temp 
Drop table #temp 

一個正常的選擇和選擇到之間的唯一不同的是，INTO #table一部分。

Answer 3

• 查詢（選擇COL1，COL2，COL3從表名
• COL1成爲rowlabels
• COL2成爲columnheaders

• COL3是數據集

• 也擺脫了全局表

  的

  if OBJECT_ID('tempdb..#3') is not null drop table #3 
  if OBJECT_ID('tempdb..##3') is not null drop table ##3 
  DECLARE @cols AS NVARCHAR(MAX), 
      @query AS NVARCHAR(MAX) 
  select @cols = STUFF((SELECT distinct ',' + QUOTENAME( col2 ) from tablename FOR XML PATH(''), col2).value('.', 'NVARCHAR(MAX)'),1,1,'') 
  set @query = 'SELECT col1, ' + @cols + ' into ##3 from (select col1, col2, col3 from tablename) x pivot ( max(col3)for col2 in (' + @cols + ')) p ' 
  execute(@query) 
  select * into #3 from ##3 if OBJECT_ID('tempdb..##3') -- is not null drop table ##3 
  

Answer 4

今天就遇到這個問題，併發布在我的blog。解決方案的簡短描述是創建一個包含一列的臨時表，然後使用sp_executesql動態更改它。然後你可以插入動態PIVOT的結果。下面的工作示例。

CREATE TABLE #Manufacturers 
(
    ManufacturerID INT PRIMARY KEY, 
    Name VARCHAR(128) 
) 

INSERT INTO #Manufacturers (ManufacturerID, Name) 
VALUES (1,'Dell') 
INSERT INTO #Manufacturers (ManufacturerID, Name) 
VALUES (2,'Lenovo') 
INSERT INTO #Manufacturers (ManufacturerID, Name) 
VALUES (3,'HP') 

CREATE TABLE #Years 
(YearID INT, Description VARCHAR(128)) 
GO 

INSERT INTO #Years (YearID, Description) VALUES (1, '2014') 
INSERT INTO #Years (YearID, Description) VALUES (2, '2015') 
GO 

CREATE TABLE #Sales 
(ManufacturerID INT, YearID INT,Revenue MONEY) 
GO 

INSERT INTO #Sales (ManufacturerID, YearID, Revenue) VALUES(1,2,59000000000) 
INSERT INTO #Sales (ManufacturerID, YearID, Revenue) VALUES(2,2,46000000000) 
INSERT INTO #Sales (ManufacturerID, YearID, Revenue) VALUES(3,2,111500000000) 
INSERT INTO #Sales (ManufacturerID, YearID, Revenue) VALUES(1,1,55000000000) 
INSERT INTO #Sales (ManufacturerID, YearID, Revenue) VALUES(2,1,42000000000) 
INSERT INTO #Sales (ManufacturerID, YearID, Revenue) VALUES(3,1,101500000000) 
GO 

DECLARE @SQL AS NVARCHAR(MAX) 
DECLARE @PivotColumnName AS NVARCHAR(MAX) 
DECLARE @TempTableColumnName AS NVARCHAR(MAX) 
DECLARE @AlterTempTable AS NVARCHAR(MAX) 

--get delimited column names for various SQL statements below 
SELECT 
    -- column names for pivot 
    @PivotColumnName= ISNULL(@PivotColumnName + N',',N'') + QUOTENAME(CONVERT(NVARCHAR(10),YearID)), 
    -- column names for insert into temp table 
    @TempTableColumnName = ISNULL(@TempTableColumnName + N',',N'') + QUOTENAME('Y' + CONVERT(NVARCHAR(10),YearID)), 
    -- column names for alteration of temp table 
    @AlterTempTable = ISNULL(@AlterTempTable + N',',N'') + QUOTENAME('Y' + CONVERT(NVARCHAR(10),YearID)) + ' MONEY' 
FROM (SELECT DISTINCT [YearID] FROM #Sales) AS Sales 

CREATE TABLE #Pivot 
(
    ManufacturerID INT 
) 

-- Thats it! Because the following step will flesh it out. 

SET @SQL = 'ALTER TABLE #Pivot ADD ' + @AlterTempTable 
EXEC sp_executesql @SQL 

--execute the dynamic PIVOT query into the temp table 
SET @SQL = N' 
    INSERT INTO #Pivot (ManufacturerID, ' + @TempTableColumnName + ') 
    SELECT ManufacturerID, ' + @PivotColumnName + ' 
    FROM #Sales S 
    PIVOT(SUM(Revenue) 
     FOR S.YearID IN (' + @PivotColumnName + ')) AS PivotTable' 
EXEC sp_executesql @SQL 

SELECT M.Name, P.* 
FROM #Manufacturers M 
INNER JOIN #Pivot P ON M.ManufacturerID = P.ManufacturerID