我正在开发一个数据库，该数据库将包含整个服务器上不同数据库中各种存储过程的许多详细信息。我现在试图收集的信息是“SP输出什么？”
在搜索中我发现答案在于OPENROWSET。我的初步测试成功，一切看起来都很棒。但是，在使用实时SP进行测试后，我遇到了一个主要问题：它与temp（＃）表不匹配。
例如：
如果我要拿这个SP：
CREATE PROCEDURE dbo.zzTempSP(@A INT, @B INT) AS
SELECT @A AS A, @B AS B
我可以使用以下代码轻松地将输出插入到temp（##）表中，然后查询tempdb的sysobjects并生成列及其数据类型的列表：
IF OBJECT_ID('tempdb.dbo.##TempOutput','U') IS NOT NULL DROP TABLE ##TempOutput
DECLARE @sql VARCHAR(MAX)
SELECT @sql = 'SELECT *
INTO ##TempOutput
FROM OPENROWSET(''SQLNCLI'', ''Server=' +
CONVERT(VARCHAR(100), SERVERPROPERTY('MachineName')) +
';Trusted_Connection=yes;'', ''SET FMTONLY OFF exec ' +
DB_NAME() +
'.dbo.zzTempSP @A=1, @B=2'')'
EXEC(@sql)
SELECT *
FROM ##TempOutput
大！但是，如果SP是这样的话：
CREATE PROCEDURE dbo.zzTempSP (@A INT, @B INT) AS CREATE TABLE dbo.#T (A INT, B INT)
INSERT INTO dbo.#T
SELECT @A AS A, @B AS B
SELECT *
FROM dbo.#T
当我执行与以前相同的OPENROWSET代码时，我收到以下错误：
无法处理对象“SET FMTONLY OFF exec DatabaseName.dbo.zzTempSP @ A = 1，@ B = 2”。链接服务器“（null）”的OLE DB提供程序“SQLNCLI10”表示该对象没有列，或者当前用户没有该对象的权限。
当我将OPENROWSET代码（删除动态内容）减少到此时：
SELECT *
FROM OPENROWSET('SQLNCLI','Server=ServerName;Trusted_Connection=yes;',
'exec DatabaseName.dbo.zzTempSP @A=1,@B=2'
)
我收到以下（更有用）错误：
无效的对象名称'#T'。
这是我撞墙的地方。在我的搜索中似乎没有解决方案，但我还是不能让自己放弃它。
所以我被带到了......
是否有人知道有任何可能的方法来规避此错误？或者是否有可能的替代解决方案？
此过程不会经常运行，所以我不必过于担心解决方案的效率。
非常感谢任何输入。
谢谢， ZOK
PS：抱歉格式化。我还没弄清楚语言标签。
答案 0 :(得分：18)
我也在SQL Server Central上发布了这个问题，一些回复让我回过头来寻找OPENROWSET中的答案（并找到它）。其中一个人把我转到this article关于OPENQUERY的部分。它声明，为了解决临时表的问题，您只需将SET FMTONLY OFF添加到OPENQUERY / OPENROWSET语句的执行行，如下所示：
SELECT *
FROM OPENROWSET( 'SQLNCLI',
'Server=SERVERNAME;Trusted_Connection=yes;',
'SET FMTONLY OFF; exec DatabaseName.dbo.zzTempSP @A=1,@B=2'
)
但是，如果该过程未指定SET NOCOUNT ON，则仍会引发错误。 我对自己脑后的SET NOCOUNT ON有一个愚蠢的误解，这让我无法思考，“嘿，我不能把SET NOCOUNT ON添加到OPENROWSET的执行语句中吗？”一旦有人在另一个线程上问了我我的问题，那就太有道理了=）所以，这是我一直在寻找的解决方案：
SELECT *
FROM OPENROWSET( 'SQLNCLI',
'Server=SERVERNAME;Trusted_Connection=yes;',
'SET FMTONLY OFF; SET NOCOUNT ON; exec DatabaseName.dbo.zzTempSP @A=1,@B=2'
)
答案 1 :(得分：2)
好的..我已经放弃并回到我的老朋友xpcmdshell。在整个响应及其代码中，下划线（_）将隐含在xpcmdshell中，因为我经常无法加载包含全名的页面。
首先，这里只是我尝试过的三件不起作用的东西（我不记得所有其他的东西）：
所以，经过多次抨击和谷歌搜索，我已经回到了xpcmdshell。下面的脚本（我将转向一个过程）使用SP exec语句和数据库来运行它，将xpcmdshell sqlquery命令格式化为文件，执行文件并将其输出插入临时表，然后将这些结果的列标题提取到另一个临时表中。
SET NOCOUNT ON
DECLARE @TempCmdPath VARCHAR(MAX),
@ProcedureExec VARCHAR(MAX),
@DatabaseName VARCHAR(255)
SELECT @TempCmdPath = 'C:\Temp\' --Make sure path ends with a '\' (or add logic to append if missing)
SELECT @ProcedureExec = 'exec dbo.crp_rpt_GetCustomerDetails @ShowContacts=0,@CustomerName=''cust123%''' --Make sure to double up the single quotes (')
SELECT @ProcedureExec = REPLACE(@ProcedureExec, '''', '''''') --Double the single quotes again (') for use in xpcmdshell sqlquery command
SELECT @DatabaseName = 'CorpDB'
IF OBJECT_ID('tempdb.dbo.#CmdOut','U') IS NOT NULL
DROP TABLE dbo.#CmdOut
CREATE TABLE dbo.#CmdOut
(
id INT IDENTITY(1,1), --Used in ROW_NUMBER() function to update rid
rid INT, --Actual number for use in WHILE loop
LineOut VARCHAR(MAX)
)
DECLARE @cmdshell VARCHAR(MAX)
/* Create a file with the commands to run */
SELECT @cmdshell = 'exec master.dbo.xpcmdshell ''sqlcmd '
+ REPLACE( '-q "PRINT '':error ' + @TempCmdPath + 'TempSqlCmdOut.txt'' ' --Set errors to be directed to a text file
+ 'PRINT ''' + @ProcedureExec + '''" ' --Add additional PRINT statements to include more statements to run
+ '-o "' + @TempCmdPath + 'TempSqlCmd.txt" ' --Specify where the file should output to
, '''', '''''' ) --Double up the single quotes (') /again/ for this statement
+ '''' --Close the statement
PRINT @cmdshell
INSERT INTO dbo.#CmdOut ( LineOut )
EXEC ( @cmdshell )
/* Execute the commands stored in the file we just created */
SELECT @cmdshell = 'exec master.dbo.xpcmdshell ''sqlcmd '
+ '-d ' + @DatabaseName + ' '
+ '-r 1 ' --Set any additional messsages to be treated as errors. This, combined with the ":error <path>\TempSqlCmdOut.txt" line above, will ensure that print statements are not returned in the output
+ '-i "' + @TempCmdPath + 'TempSqlCmd.txt" '
+ '-s "," ' --Column Separator
+ '''' --Close the statement
PRINT @cmdshell
INSERT INTO dbo.#CmdOut ( LineOut )
EXEC ( @cmdshell )
/* Clean up. Delete the two temp files */
SELECT @cmdshell = 'exec master.dbo.xpcmdshell ''del "' + @TempCmdPath + 'TempSqlCmd.txt"'''
PRINT @cmdshell
INSERT INTO dbo.#CmdOut ( LineOut )
EXEC ( @cmdshell )
SELECT @cmdshell = 'exec master.dbo.xpcmdshell ''del "' + @TempCmdPath + 'TempSqlCmdOut.txt"'''
PRINT @cmdshell
INSERT INTO dbo.#CmdOut ( LineOut )
EXEC ( @cmdshell )
/* Clean up NULL rows then update the rid column's value */
DELETE dbo.#CmdOut
WHERE LineOut IS NULL
UPDATE co
SET rid = n.rid
FROM dbo.#CmdOut co
INNER JOIN ( SELECT id,
ROW_NUMBER() OVER ( ORDER BY id ) AS [rid]
FROM dbo.#CmdOut
) AS n ON co.id = n.id
--SELECT * FROM dbo.#CmdOut
---------------------------------------------------------------
---------------------------------------------------------------
IF OBJECT_ID('tempdb.dbo.#SPResultHeaders','U') IS NOT NULL
DROP TABLE dbo.#SPResultHeaders
CREATE TABLE dbo.#SPResultHeaders
(
id INT IDENTITY(1,1),
HeaderName VARCHAR(500)
)
DECLARE @LineCount INT,
@LineIndex INT,
@Delimiter VARCHAR(10),
@PrevDelimitCharIndex INT,
@NextDelimitCharIndex INT,
@LineText VARCHAR(MAX),
@EndOfLineText VARCHAR(MAX),
@FoundDivider BIT
SELECT @Delimiter = ',',
@FoundDivider = 0
SELECT @LineCount = COUNT(*),
@LineIndex = 1
FROM dbo.#CmdOut
/* Until we move through all of the output lines OR we run into the line between the headers and their data (divider).. */
WHILE ( @LineIndex <= @LineCount
AND @FoundDivider = 0
)
BEGIN
/* Reset DelimitCharIndex: */
SELECT @PrevDelimitCharIndex = 0,
@NextDelimitCharIndex = 1
/* Until the Delimiter is not found.. */
WHILE ( @NextDelimitCharIndex <> 0
AND @FoundDivider = 0
)
BEGIN
/* Search for the Delimiter starting after the last one's position */
SELECT @NextDelimitCharIndex = CHARINDEX(@Delimiter, LineOut, @PrevDelimitCharIndex)
FROM dbo.#CmdOut
WHERE rid = @LineIndex
/* If another Delimiter is found on this line.. */
IF ( @NextDelimitCharIndex <> 0 OR @EndOfLineText IS NOT NULL )
BEGIN
/* Make sure we're don't have left overs from a previous line */
IF ( @EndOfLineText IS NOT NULL )
BEGIN
/* If we do, set the current string to the previous + the current */
SELECT @LineText = @EndOfLineText + SUBSTRING(LineOut, @PrevDelimitCharIndex, (@NextDelimitCharIndex - @PrevDelimitCharIndex))
FROM dbo.#CmdOut
WHERE rid = @LineIndex
/* Then clear out the left overs */
SELECT @EndOfLineText = NULL
END
ELSE
BEGIN
/* Get the text between the previous delimiter and the next */
SELECT @LineText = SUBSTRING(LineOut, @PrevDelimitCharIndex, (@NextDelimitCharIndex - @PrevDelimitCharIndex))
FROM dbo.#CmdOut
WHERE rid = @LineIndex
END
/* After the column headers in the output it will have a divider consisting of hyphens (-) (split by whatever we specified for the -s argument of the sqlcmd)
Check to see if our text is purely hyphens. IF NOT, insert the text into our result table and increment Header Count by 1. IF SO, set the FoundDivider flag to 1.
*/
IF ( LTRIM(RTRIM(REPLACE(@LineText, '-', ''))) <> '' )
BEGIN
IF ( CHARINDEX('-', @LineText) <> 0 )
BEGIN
/* If there are more than three hyphens in a row, assume it's the divider and set @FoundDivider to 1 to exit while */
IF ( SUBSTRING(@LineText, CHARINDEX('-', @LineText), 3) = '---' )
SELECT @FoundDivider = 1
ELSE
INSERT INTO dbo.#SPResultHeaders ( HeaderName )
SELECT LTRIM(RTRIM(@LineText))
END
ELSE
BEGIN
INSERT INTO dbo.#SPResultHeaders ( HeaderName )
SELECT LTRIM(RTRIM(@LineText))
END
END
ELSE
BEGIN
/* If there are more than three hyphens in a row, assume it's the divider and set @FoundDivider to 1 to exit while */
IF ( SUBSTRING(@LineText, CHARINDEX('-', @LineText), 3) = '---' )
SELECT @FoundDivider = 1
END
END
/* If another Delimiter is NOT found on this line.. */
ELSE
BEGIN
/* Move remainder of this line's text to @EndOfLineText ("left overs") for use in next itteration */
SELECT @LineText = NULL,
@EndOfLineText = SUBSTRING(LineOut, @PrevDelimitCharIndex, (LEN(LineOut) + 1))
FROM dbo.#CmdOut
WHERE rid = @LineIndex
END
/* Update previous Delimiter's position */
SELECT @PrevDelimitCharIndex = @NextDelimitCharIndex + 1
END --WHILE ( @NextDelimitCharIndex <> 0 )
SELECT @LineIndex = @LineIndex + 1
END --WHILE ( @LineIndex <= @LineCount )
SELECT *
FROM dbo.#SPResultHeaders
如果您打算使用此代码，请不要忘记将xpcmdshell的查找替换为xp（_）cmdshell
希望这有助于某人！如果您有任何问题，意见或建议，请随时发布。
答案 2 :(得分：1)
您正在使用Temp表变量#T。你必须使用临时表@T。 根据我的理解，Temp表变量不能在分布式事务环境中使用，也可能无法访问链接服务器中的TempDB。