Question

我在Execute sql任务可执行文件的SSIS序列容器中有一个TSQL命令。我需要将数据插入与PROD相同并附加在SQL 2016标准edt的同一实例上的存档数据库/表中。我插入了约5671294条记录，同时更新了其他帮助/阶段表中的标记，以用于进一步的检查。更新最后的71294条记录后，我的循环永无休止。在“活动”监视器上，我可以看到卡在UPDATE命令中，没有更新列。另一个问题是，它的运行速度非常慢（简单恢复中的数据库）。

SET IDENTITY_INSERT  ArchiveDB..Table ON
GO

DECLARE @InsertRowCnt INT
SET @InsertRowCnt = 1

DECLARE @InsertBatchSize INT
SET @InsertBatchSize=100000

WHILE (@InsertRowCnt > 0)

BEGIN 

DECLARE @OutputTbl AS TABLE(BSGID INT)

INSERT INTO ArchiveDB..Table ([BSGID], [Identifier],[SystemCombinationItems], [TotalItems], [TotalBankers],[SpecialCombinationID], [ModifiedOn], [ModifiedBy], [CreatedOn])
OUTPUT inserted.BSGID INTO @OutputTbl(BSGID)  
SELECT TOP (@InsertBatchSize) s.BSGID, s.Identifier,  
 s.SystemCombinationItems, s.TotalItems, s.TotalBankers, s.SpecialCombinationID, s.ModifiedOn, 
 s.ModifiedBy, s.CreatedOn
FROM ProdDB.dbo.Table AS s WITH (NOLOCK) INNER JOIN
 ArchiveDB.dbo.StageTable AS t WITH (NOLOCK) ON s.BSGID = t.BSGID
WHERE t.IsInserted IS NULL


----Updating stage table contains 2 columns BSGID int,IsInserted int null

UPDATE arh
SET arh.IsInserted=1
FROM ArchiveDB.dbo.StageTable AS arh WITH(NOLOCK)
INNER JOIN @OutputTbl AS a  
ON arh.BSGID=a.BSGID
WHERE arh.IsInserted is null

SET @InsertRowCnt = @@ROWCOUNT;

END

SET IDENTITY_INSERT  ArchiveDB..Table OFF
GO

Answer 1

SET IDENTITY_INSERT  ArchiveDB..Table ON
GO

DECLARE @InsertRowCnt INT
--------------------------------
SELECT @InsertRowCnt=COUNT(*)
FROM ProdDB.dbo.Table AS s WITH (NOLOCK) INNER JOIN
 ArchiveDB.dbo.StageTable AS t WITH (NOLOCK) ON s.BSGID = t.BSGID
WHERE t.IsInserted IS NULL
----------------------------

DECLARE @InsertBatchSize INT
SET @InsertBatchSize=100000

WHILE (@InsertRowCnt > 0)

BEGIN 

DECLARE @OutputTbl AS TABLE(BSGID INT)

INSERT INTO ArchiveDB..Table ([BSGID], [Identifier],[SystemCombinationItems], 
[TotalItems], [TotalBankers],[SpecialCombinationID], [ModifiedOn], [ModifiedBy], 
[CreatedOn])
OUTPUT inserted.BSGID INTO @OutputTbl(BSGID)  
SELECT TOP (@InsertBatchSize) s.BSGID, s.Identifier,  
 s.SystemCombinationItems, s.TotalItems, s.TotalBankers, s.SpecialCombinationID, 
s.ModifiedOn, 
s.ModifiedBy, s.CreatedOn
FROM ProdDB.dbo.Table AS s WITH (NOLOCK) INNER JOIN
ArchiveDB.dbo.StageTable AS t WITH (NOLOCK) ON s.BSGID = t.BSGID
WHERE t.IsInserted IS NULL


----Updating stage table contains 2 columns BSGID int,IsInserted int null

UPDATE arh
SET arh.IsInserted=1
FROM ArchiveDB.dbo.StageTable AS arh WITH(NOLOCK)
INNER JOIN @OutputTbl AS a  
ON arh.BSGID=a.BSGID
WHERE arh.IsInserted is null
--------------------------------
SELECT @InsertRowCnt=COUNT(*)
FROM ProdDB.dbo.Table AS s WITH (NOLOCK) INNER JOIN
ArchiveDB.dbo.StageTable AS t WITH (NOLOCK) ON s.BSGID = t.BSGID
WHERE t.IsInserted IS NULL
----------------------------

END

SET IDENTITY_INSERT  ArchiveDB..Table OFF
GO

WHILE循环未在UPDATE命令TSQL中结束

1 个答案: