14

SQL Server 2008 Linked Server とアドホック INSERT により急速なメモリ リークが発生し、最終的にサーバーが応答しなくなり、次のエラーで終了します。

Msg 701, Level 17, State 123, Server BRECK-PC\SQLEXPRESS, Line 2
There is insufficient system memory in resource pool 'internal' to run this 
query.

Location:        qxcntxt.cpp:1052
Expression:      cref == 0
SPID:            51
Process ID:      1880

SQL Server が再起動されるまで、サーバーは応答しません。

使用中のソフトウェア:

  • Windows Vista Ultimate 64 ビット ビルド 6001 SP1

  • Microsoft SQL Server 2008 (SP1) - 10.0.2734.0 (X64) 2009 年 9 月 11 日 14:30:58 Copyright (c) 1988-2008 Microsoft Corporation Express Edition with Advanced Services (64-bit) o​​n Windows NT 6.0 (Build 6001: Serviceパック 1)

  • SQL Anywhere 11.0.1.2276 の SAOLEDB.11 ドライバー

最大サーバー メモリ (MB) を 2048 に設定しても役に立ちませんでした。

サーバーの起動パラメータにさまざまな -g 値 (例: -g256;) を追加しても効果がありませんでした。

DBCC FREESYSTEMCACHE ( 'ALL' )、DBCC FREESESSIONCACHE および DBCC FREEPROCCACHE を使用しても役に立ちませんでした。

累積的な更新プログラム パッケージ 4 を SQL Server 2008 Service Pack 1 にインストールしても、Linked Server の使用に関連するメモリ リークの症状に対する修正が含まれていたにもかかわらず、役に立ちませんでした。

SELECT ... ROW_NUMBER() OVER ... クエリを INSERT から分離しても役に立ちませんでした。実験の結果、複雑な SELECT ではメモリ リークが発生せず、INSERT ではメモリ リークが発生することが示されました。

リンク サーバーの代わりにアドホックな "INSERT INTO OPENROWSET" 構文を使用するようにコードを変更しても効果はありませんでした。以下のコードは、リンクされたサーバーの使用状況を示しています。

sysinternals.com Process Explore ユーティリティは、メモリ使用量が SQL Anywhere OLEDB ドライバー SAOLEDB.11 によって使用される DLL ではなく、sqlserver.exe に関連付けられていることを示しています。

リンク サーバー (プロキシ テーブル) の SQL Anywhere バージョンは正常に動作し、1 回のトランザクションで SQL Server 2008 テーブルから SQL Anywhere 11 データベースに 190 万行を「プル」することに注意してください。ここに示すロジックは、リンク サーバー機能を使用して行を "プッシュ" しようとする試みです。同じ方向、異なる構文。

コードは次のとおりです。EXECUTE copy_mss_t2 を 3 回または 4 回実行すると、4G の RAM が使い果たされます。

EXEC sys.sp_configure 
   N'show advanced options',  
   N'1'
GO

RECONFIGURE WITH OVERRIDE
GO

EXEC sys.sp_configure
   N'max server memory (MB)',
   N'2048'
GO

RECONFIGURE WITH OVERRIDE
GO

EXEC sys.sp_configure
   N'show advanced options',
   N'0'
GO

RECONFIGURE WITH OVERRIDE
GO
EXEC master.dbo.sp_MSset_oledb_prop
   N'SAOLEDB.11',
   N'AllowInProcess',
   1
GO

sp_addlinkedserver
   @server = 'mem',
   @srvproduct = 'SQL Anywhere OLE DB Provider',
   @provider = 'SAOLEDB.11',
   @datasrc = 'mem_PAVILION2'
GO

EXEC master.dbo.sp_serveroption
   @server=N'mem',
   @optname=N'rpc',
   @optvalue=N'true'
GO

EXEC master.dbo.sp_serveroption
   @server=N'mem',
   @optname=N'rpc out',
   @optvalue=N'true'
GO

sp_addlinkedsrvlogin
   @rmtsrvname = 'mem',
   @useself = 'false',
   @locallogin = NULL,
   @rmtuser = 'dba',
   @rmtpassword = 'sql'
GO

CREATE PROCEDURE copy_mss_t2
   @from_row            BIGINT,
   @to_row              BIGINT,
   @rows_copied_count   BIGINT OUTPUT
AS

   SELECT *
     INTO #t
     FROM ( SELECT *,
                   ROW_NUMBER()
                      OVER ( ORDER BY sample_set_number,
                                      connection_number )
                   AS t2_row_number
             FROM mss_t2 ) AS ordered_mss_t2
    WHERE ordered_mss_t2.t2_row_number BETWEEN @from_row AND @to_row;

   SELECT @rows_copied_count = COUNT(*)
     FROM #t;

INSERT INTO mem..dba.sa_t2
SELECT sampling_id,
       sample_set_number,
       connection_number,
       blocker_owner_table_name,
       blocker_lock_type,
       blocker_owner_name,
       blocker_table_name,
       blocker_reason,
       blocker_row_identifier,
       current_engine_version,
       page_size,
       ApproximateCPUTime,
       BlockedOn,
       BytesReceived,
       BytesSent,
       CacheHits,
       CacheRead,
   "Commit",
   DiskRead,
   DiskWrite,
   FullCompare,
   IndAdd,
   IndLookup,
   Isolation_level,
   LastReqTime,
   LastStatement,
   LockCount,
   LockName,
   LockTableOID,
   LoginTime,
   LogWrite,
   Name,
   NodeAddress,
   Prepares,
   PrepStmt,
   QueryLowMemoryStrategy,
   QueryOptimized,
   QueryReused,
   ReqCountActive,
   ReqCountBlockContention,
   ReqCountBlockIO,
   ReqCountBlockLock,
   ReqCountUnscheduled,
   ReqStatus,
   ReqTimeActive,
   ReqTimeBlockContention,
   ReqTimeBlockIO,
   ReqTimeBlockLock,
   ReqTimeUnscheduled,
   ReqType,
   RequestsReceived,
   Rlbk,
   RollbackLogPages,
   TempFilePages,
   TransactionStartTime,
   UncommitOp,
   Userid,
   previous_ApproximateCPUTime,
   interval_ApproximateCPUTime,
   previous_Commit,
   interval_Commit,
   previous_Rlbk,
   interval_Rlbk
  FROM #t;

GO

DECLARE @rows_copied_count BIGINT
EXECUTE copy_mss_t2 1110001, 1120000, @rows_copied_count OUTPUT
SELECT @rows_copied_count
GO

EXECUTE create_linked_server
GO

DECLARE @rows_copied_count BIGINT
EXECUTE copy_mss_t2 1120001, 1130000, @rows_copied_count OUTPUT
SELECT @rows_copied_count
GO

EXECUTE create_linked_server
GO

以下は、190 万行に約 1G のデータを含む SQL Server ソース テーブルです。

CREATE TABLE mss_t2 (
   sampling_id                       BIGINT NOT NULL,
   sample_set_number                 BIGINT NOT NULL,
   connection_number                 BIGINT NOT NULL,
   blocker_owner_table_name          VARCHAR ( 257 ) NULL,
   blocker_lock_type                 VARCHAR ( 32 ) NULL,
   blocker_owner_name                VARCHAR ( 128 ) NULL,
   blocker_table_name                VARCHAR ( 128 ) NULL,
   blocker_reason                    TEXT NULL,
   blocker_row_identifier            VARCHAR ( 32 ) NULL,
   current_engine_version            TEXT NOT NULL,
   page_size                         INTEGER NOT NULL,
   ApproximateCPUTime                DECIMAL ( 30, 6 ) NULL,
   BlockedOn                         BIGINT NULL,
   BytesReceived                     BIGINT NULL,
   BytesSent                         BIGINT NULL,
   CacheHits                         BIGINT NULL,
   CacheRead                         BIGINT NULL,
   "Commit"                          BIGINT NULL,
   DiskRead                          BIGINT NULL,
   DiskWrite                         BIGINT NULL,
   FullCompare                       BIGINT NULL,
   IndAdd                            BIGINT NULL,
   IndLookup                         BIGINT NULL,
   Isolation_level                   BIGINT NULL,
   LastReqTime                       TEXT NOT NULL DEFAULT '1900-01-01',
   LastStatement                     TEXT NULL,
   LockCount                         BIGINT NULL,
   LockName                          BIGINT NULL,
   LockTableOID                      BIGINT NULL,
   LoginTime                         TEXT NOT NULL DEFAULT '1900-01-01',
   LogWrite                          BIGINT NULL,
   Name                              VARCHAR ( 128 ) NULL,
   NodeAddress                       TEXT NULL,
   Prepares                          BIGINT NULL,
   PrepStmt                          BIGINT NULL,
   QueryLowMemoryStrategy            BIGINT NULL,
   QueryOptimized                    BIGINT NULL,
   QueryReused                       BIGINT NULL,
   ReqCountActive                    BIGINT NULL,
   ReqCountBlockContention           BIGINT NULL,
   ReqCountBlockIO                   BIGINT NULL,
   ReqCountBlockLock                 BIGINT NULL,
   ReqCountUnscheduled               BIGINT NULL,
   ReqStatus                         TEXT NULL,
   ReqTimeActive                     DECIMAL ( 30, 6 ) NULL,
   ReqTimeBlockContention            DECIMAL ( 30, 6 ) NULL,
   ReqTimeBlockIO                    DECIMAL ( 30, 6 ) NULL,
   ReqTimeBlockLock                  DECIMAL ( 30, 6 ) NULL,
   ReqTimeUnscheduled                DECIMAL ( 30, 6 ) NULL,
   ReqType                           TEXT NULL,
   RequestsReceived                  BIGINT NULL,
   Rlbk                              BIGINT NULL,
   RollbackLogPages                  BIGINT NULL,
   TempFilePages                     BIGINT NULL,
   TransactionStartTime              TEXT NOT NULL DEFAULT '1900-01-01',
   UncommitOp                        BIGINT NULL,
   Userid                            VARCHAR ( 128 ) NULL,
   previous_ApproximateCPUTime       DECIMAL ( 30, 6 ) NOT NULL DEFAULT 0.0,
   interval_ApproximateCPUTime       AS ( COALESCE ( "ApproximateCPUTime", 0 ) - previous_ApproximateCPUTime ),
   previous_Commit                   BIGINT NOT NULL DEFAULT 0,
   interval_Commit                   AS  ( COALESCE ( "Commit", 0 ) - previous_Commit ),
   previous_Rlbk                     BIGINT NOT NULL DEFAULT 0,
   interval_Rlbk                     AS  ( COALESCE ( Rlbk, 0 ) - previous_Rlbk ) )

SQL Anywhere 11 のターゲット テーブルは次のとおりです。

CREATE TABLE sa_t2 (
   sampling_id                       BIGINT NOT NULL,
   sample_set_number                 BIGINT NOT NULL,
   connection_number                 BIGINT NOT NULL,
   blocker_owner_table_name          VARCHAR ( 257 ) NULL,
   blocker_lock_type                 VARCHAR ( 32 ) NULL,
   blocker_owner_name                VARCHAR ( 128 ) NULL,
   blocker_table_name                VARCHAR ( 128 ) NULL,
   blocker_reason                    TEXT NULL,
   blocker_row_identifier            VARCHAR ( 32 ) NULL,
   current_engine_version            TEXT NOT NULL,
   page_size                         INTEGER NOT NULL,
   ApproximateCPUTime                DECIMAL ( 30, 6 ) NULL,
   BlockedOn                         BIGINT NULL,
   BytesReceived                     BIGINT NULL,
   BytesSent                         BIGINT NULL,
   CacheHits                         BIGINT NULL,
   CacheRead                         BIGINT NULL,
   "Commit"                          BIGINT NULL,
   DiskRead                          BIGINT NULL,
   DiskWrite                         BIGINT NULL,
   FullCompare                       BIGINT NULL,
   IndAdd                            BIGINT NULL,
   IndLookup                         BIGINT NULL,
   Isolation_level                   BIGINT NULL,
   LastReqTime                       TEXT NOT NULL DEFAULT '1900-01-01',
   LastStatement                     TEXT NULL,
   LockCount                         BIGINT NULL,
   LockName                          BIGINT NULL,
   LockTableOID                      BIGINT NULL,
   LoginTime                         TEXT NOT NULL DEFAULT '1900-01-01',
   LogWrite                          BIGINT NULL,
   Name                              VARCHAR ( 128 ) NULL,
   NodeAddress                       TEXT NULL,
   Prepares                          BIGINT NULL,
   PrepStmt                          BIGINT NULL,
   QueryLowMemoryStrategy            BIGINT NULL,
   QueryOptimized                    BIGINT NULL,
   QueryReused                       BIGINT NULL,
   ReqCountActive                    BIGINT NULL,
   ReqCountBlockContention           BIGINT NULL,
   ReqCountBlockIO                   BIGINT NULL,
   ReqCountBlockLock                 BIGINT NULL,
   ReqCountUnscheduled               BIGINT NULL,
   ReqStatus                         TEXT NULL,
   ReqTimeActive                     DECIMAL ( 30, 6 ) NULL,
   ReqTimeBlockContention            DECIMAL ( 30, 6 ) NULL,
   ReqTimeBlockIO                    DECIMAL ( 30, 6 ) NULL,
   ReqTimeBlockLock                  DECIMAL ( 30, 6 ) NULL,
   ReqTimeUnscheduled                DECIMAL ( 30, 6 ) NULL,
   ReqType                           TEXT NULL,
   RequestsReceived                  BIGINT NULL,
   Rlbk                              BIGINT NULL,
   RollbackLogPages                  BIGINT NULL,
   TempFilePages                     BIGINT NULL,
   TransactionStartTime              TEXT NOT NULL DEFAULT '1900-01-01',
   UncommitOp                        BIGINT NULL,
   Userid                            VARCHAR ( 128 ) NULL,
   previous_ApproximateCPUTime       DECIMAL ( 30, 6 ) NOT NULL DEFAULT 0.0,
   interval_ApproximateCPUTime       DECIMAL ( 30, 6 ) NOT NULL COMPUTE ( COALESCE ( "ApproximateCPUTime", 0 ) - previous_ApproximateCPUTime ),
   previous_Commit                   BIGINT NOT NULL DEFAULT 0,
   interval_Commit                   BIGINT NOT NULL COMPUTE ( COALESCE ( "Commit", 0 ) - previous_Commit ),
   previous_Rlbk                     BIGINT NOT NULL DEFAULT 0,
   interval_Rlbk                     BIGINT NOT NULL COMPUTE ( COALESCE ( Rlbk, 0 ) - previous_Rlbk ),
   PRIMARY KEY ( sample_set_number, connection_number ) );
4

5 に答える 5

8

#t各反復の後に一時テーブルを空にする必要はありませんか?TRUNCATE TABLE #tつまり、手順の最後にを追加しますか?#t一時テーブルは、ストアドプロシージャが終了するまでではなく、セッションが終了するまで存在すると思います。SELECT INTO既存のに追加するだけです#tが、置き換えはしません。

もう1つのことは、tempdbに格納されているものではなく永続テーブルを使用すること#tablesです。

于 2009-10-11T06:42:25.227 に答える
2

問題は、SQL Anywhere 11.0.1 プロバイダー SAOLEDB.11 経由でリンク サーバーを使用して、VARCHAR ( 8000 ) より大きいと宣言されたターゲット カラムにデータを挿入することです。これは単純化された再現可能です:

-- Overview: SQL Server 2008 suffers from a fatal memory leak
--    if an attempt is made to use a linked server and the 
--    SAOLEDB.11 provicer to copy data from SQL Server
--    to a SQL Anywhere 11.0.1 table that contains a single column
--    larger than VARCHAR ( 8000 ); i.e, a VARCHAR ( 8000 ) target
--    column is OK but VARCHAR ( 8001 ) is not. The actual string 
--    length is not an issue, nor is the fact that the SQL Server
--    column is declared as TEXT. The memory leak is faster if
--    there is more than one target column larger than VARCHAR ( 8000 ).
--    The server computer freezes and must be rebooted.
-- Msg 701, Level 17, State 123, Server BRECK-PC\SQLEXPRESS, Line 2
-- There is insufficient system memory in resource pool 'internal' to run this
-- query.
-- Location:        qxcntxt.cpp:1052
-- Expression:      cref == 0
-- SPID:            52
-- Process ID:      2044

---------------------------------------------------------
-- SQL ANYWHERE 11 on target computer
---------------------------------------------------------

-- Target:
-- HP Pavilion laptop, 4GHz Pentium 4, 2G RAM
-- Windows XP SP2
-- SQL Anywhere 11.0.1.2276

---------------------------------------------------------
-- Windows commands used to create and start in-memory database

/*
"%SQLANY11%\bin32\dbinit.exe"^
  mem.db

"%SQLANY11%\bin32\dbspawn.exe" -f^
  "%SQLANY11%\bin32\dbsrv11.exe"^
  -im nw^
  -o dbsrv11_log.txt^
  mem.db 

"%SQLANY11%\bin32\dbisql.com"^
  -c "ENG=mem;DBN=mem;UID=dba;PWD=sql;CON=mem-1"
*/

---------------------------------------------------------
-- Create target table with one single "long" column.

BEGIN
   DROP TABLE sa_target;
   EXCEPTION WHEN OTHERS THEN
END;

CREATE TABLE sa_target (
   primary_key      INTEGER NOT NULL PRIMARY KEY,
   string_column_1  VARCHAR ( 8001 ) NOT NULL );

---------------------------------------------------------
--- SQL SERVER 2008 on source (server) computer
---------------------------------------------------------

-- Server:
-- Desktop with Intel Core 2 Quad Q9450 2.66Ghz 4G RAM
-- Windows Vista Ultimate 64 bit build 6001 SP1
-- SQL Server 2008 Express 64 Service Pack 1 with cumulative update package 4:
--    Microsoft SQL Server 2008 (SP1) - 10.0.2734.0 (X64)   Sep 11 2009 14:30:58   
--    Copyright (c) 1988-2008 Microsoft Corporation  Express Edition with    
--    Advanced Services (64-bit) on Windows NT 6.0 <X64>    
--    (Build 6001: Service Pack 1) 
-- SAOLEDB.11 driver from SQL Anywhere 11.0.1.2276

---------------------------------------------------------
-- Windows command used to start osql.exe

/*
"c:\Program Files\Microsoft SQL Server\100\Tools\Binn\osql.exe"^
  -d main^
  -I^
  -l 10^
  -P j68Fje9#fyu489^
  -S BRECK-PC\SQLEXPRESS^
  -U sa
*/

---------------------------------------------------------
-- Create database.

USE master
GO

BEGIN TRY
   DROP DATABASE main;
END TRY
BEGIN CATCH
END CATCH;
GO

CREATE DATABASE main
ON PRIMARY
( NAME = main_dat,
   FILENAME = 'E:\data\main\main.mdf',
   SIZE = 2GB,
   FILEGROWTH = 200MB )
LOG ON
( NAME = 'main_log',
   FILENAME = 'E:\data\main\main.ldf',
   SIZE = 2GB,
   FILEGROWTH = 200MB )
GO

----------------------------------------------------------------------------
-- Configure SAOLEDB.11 provider.

USE master
go 

-- SAOLEDB.11 provider dlls registered via these Windows commands:
--    regsvr32 dboledb11.dll
--    regsvr32 dboledba11.dll

EXEC master.dbo.sp_MSset_oledb_prop N'SAOLEDB.11', N'AllowInProcess', 1
GO

-- If the following statement produces this message, it probably means 
-- that 'DisallowAdHocAccess' is already set to zero for SAOLEDB.11:
--
-- RegDeleteValue() returned error 2, 'The system cannot find the file specified.'

EXEC master.dbo.sp_MSset_oledb_prop N'SAOLEDB.11', N'DisallowAdHocAccess', 0
GO

----------------------------------------------------------------------------
-- THIS SECTION WAS NOT RUN.
-- Set up for OPENROWSET usage.
-- NOT REQUIRED for required for Linked Server usage.

USE master
GO

sp_configure 'show advanced options', 1
GO

RECONFIGURE
GO

sp_configure 'Ad Hoc Distributed Queries', 1
GO

RECONFIGURE
GO

----------------------------------------------------------------------------
-- Set up Linked Server usage.

USE main
GO

BEGIN TRY
   EXEC sp_droplinkedsrvlogin 
      @rmtsrvname = 'mem',
      @locallogin = NULL  
END TRY
BEGIN CATCH
END CATCH 
GO

BEGIN TRY
   EXEC sp_dropserver
      @server = 'mem'
END TRY
BEGIN CATCH
END CATCH 
GO

EXEC sp_addlinkedserver
   @server = 'mem',
   @srvproduct = 'SQL Anywhere OLE DB Provider',
   @provider = 'SAOLEDB.11',
   @datasrc = 'mem_PAVILION2' 
GO

EXEC master.dbo.sp_serveroption 
   @server=N'mem', 
   @optname=N'rpc', 
   @optvalue=N'true' 
GO

EXEC master.dbo.sp_serveroption 
   @server=N'mem', 
   @optname=N'rpc out', 
   @optvalue=N'true' 
GO

EXEC sp_addlinkedsrvlogin 
   @rmtsrvname = 'mem', 
   @useself = 'false', 
   @locallogin = NULL, 
   @rmtuser = 'dba', 
   @rmtpassword = 'sql' 
GO

----------------------------------------------------------------------------
-- Create and fill source table with 1 million rows.

USE main
GO

BEGIN TRY
   DROP TABLE mss_source; 
END TRY
BEGIN CATCH
END CATCH 
GO

CREATE TABLE mss_source ( 
   primary_key      INTEGER NOT NULL PRIMARY KEY,
   string_column_1  TEXT NOT NULL )
GO

BEGIN
   DECLARE @primary_key INTEGER 
   SELECT @primary_key = 1
   BEGIN TRANSACTION
   WHILE @primary_key <= 1000000 
   BEGIN
      INSERT mss_source VALUES (
         @primary_key,
         REPLICATE ( 'Some test data. ', 2 ) )
      SELECT @primary_key = @primary_key + 1
   END
   COMMIT
END
GO

SELECT COUNT(*) FROM mss_source
GO

-- 1000000

---------------------------------------------------------
-- Copy data to target table.

SELECT CURRENT_TIMESTAMP
GO

INSERT INTO mem..dba.sa_target 
SELECT * 
  FROM mss_source
GO

SELECT CURRENT_TIMESTAMP
GO

---------------------------------------------------------
-- Test 1 - Code as shown above.
-- FAILED
-- 
-- Started at 2009-10-12 10:06:33.393
-- 
-- A slow server memory leak began immediately.
-- The initial target insert rate was about 2000 rows per second.
-- Server RAM usage reached 3.82 GB, Physical Memory: 95%, Page File 16236M / 16288M
-- The server display became frozen.
-- The server became unresponsive to mouse input.
-- The target insert rate dropped below 1000 rows per second, but inserts continued.
-- The copy process reached 937,817 rows inserted on the target.
-- This dialog box appeared on the server: "Your computer is low on memory"
-- Eventually, the process failed, and this message appeared in the osql.exe window:
-- 
-- Msg 701, Level 17, State 123, Server BRECK-PC\SQLEXPRESS, Line 2
-- There is insufficient system memory in resource pool 'internal' to run this
-- query.
-- Location:        qxcntxt.cpp:1052
-- Expression:      cref == 0
-- SPID:            52
-- Process ID:      2044
-- 
-- Failed at 2009-10-12 10:22:21.817
-- The server disk I/O light remained lit without interruption.
-- The server required a hard reboot.

---------------------------------------------------------
-- Test 2 - Code as shown above, except for VARCHAR ( 8000 ).
-- SUCCESSFUL 

BEGIN
   DROP TABLE sa_target;
   EXCEPTION WHEN OTHERS THEN
END;

CREATE TABLE sa_target (
   primary_key      INTEGER NOT NULL PRIMARY KEY,
   string_column_1  VARCHAR ( 8000 ) NOT NULL );

-- Started at 2009-10-12 10:41:46.427
-- There was some slight initial growth in RAM usage on the server.
-- Server RAM usage stabilized at 1.40 GB, Physical Memory: 35%, Page File 1560M / 8352M
-- The target insert rate remained about 2000 rows per second throughout.
-- Finished OK at 2009-10-12 10:50:52.240

---------------------------------------------------------
-- Test 3 - Repeat Test 2
-- SUCCESSFUL 

-- Started at 2009-10-12 10:53:38.350
-- No further RAM usage growth on the server.
-- Finished OK at 2009-10-12 11:02:10.457
于 2009-10-12T15:15:26.120 に答える
0

一時テーブルを使用する代わりに、変数テーブルを使用できますか?

例えば。

DECLARE @ResultTable TABLE (TableId INT PRIMARY KEY, ... etc)

INSERT INTO @ResultTable
SELECT TableId, ....
FROM mss_t2 

... etc. ...
于 2009-10-11T07:15:25.397 に答える
0

データセット全体を一度にではなく、バッチで挿入を実行してみてください。

于 2009-10-08T14:14:45.533 に答える
0

私は同様の問題を抱えていました.私のコードにはループ内の単純な#tempテーブルの使用が含まれており、これが原因で永続的なテーブルに置き換えました.

動作しているようです。

ありがとうナヴィーン

于 2010-12-17T15:29:31.763 に答える