openquery 完成后似乎回滚

Question

我正在使用以下查询。

select * from OPENQUERY(EXITWEB,N'SET NOCOUNT ON;
                       declare @result table (id int);
                           insert into [system_files] ([is_public], [file_name], [file_size], [content_type], [disk_name], [updated_at], [created_at])
                    output inserted.id into @result(id)
                    values (N''1'',N''7349.jpg'',N''146921'',N''image/jpeg'',N''5799dcc8a1eb1413195192.jpg'',N''2016-07-28 10:22:00.000'',N''2016-07-28 10:22:00.000'')

                       declare @id int = (select top 1 id from @result)
                       select * from system_files where id = @id
                       insert into linkToExternal (id, id_ext) values(@id, 47)
                       --select @id
                       ')

当我从查询中执行 select 时，它工作正常：

但是当我在通话结束后去检查我的数据库时，记录已经不存在了。

所以我怀疑交易被回滚了。我的问题是：为什么。如果是这种情况，我该怎么做才能防止事务被回滚。

Answer 1

好吧，一如既往，经过几天的挣扎和我 post 关于 Whosebug 的一个问题，我找到了解决方案：http://www.sqlservercentral.com/Forums/Topic1128997-391-1.aspx#bm1288825

I was having the same problem as you and almost gave up on it but have finally found an answer to the problem. Reading an article about sharing data between stored procedures I discovered that OPENQUERY issues an Implicit Transaction and that it was Rolling back my insert. So I had to add an explicit Commit to my stored procedures, in additional I discovered that if I use it in a query that has a Union it has to be Commited twice. Since I'm doing my insert inside a BEGIN TRY I can always just commit twice and not worry about whether it is being used in a UNION. I'm returning different values if there is an error but that was just apart of my debugging.

SELECT TOP 5 *
FROM mm
JOIN OPENQUERY([LOCALSERVER], 'EXEC cms60.dbo.sp_RecordReportLastRun ''LPS'', ''Test''') RptStats ON 1=1


ALTER PROCEDURE [dbo].[sp_RecordReportLastRun] 
-- Add the parameters for the stored procedure here
@LibraryName varchar(50),
@ReportName varchar(50)

AS
BEGIN
-- SET NOCOUNT ON added to prevent extra result sets from interfering with SELECT statements.
SET NOCOUNT ON;
-- Insert statements for procedure here
BEGIN TRY
INSERT INTO cms60.dbo.ReportStatistics (LibraryName, ReportName, RunDate) VALUES (@LibraryName, @ReportName, GETDATE())
--
COMMIT; --Needed because OPENQUERY starts an Implicit Transaction but doesn't commit it.    
COMMIT; --Need second Commit when used in a UNION and although it throws an error when not used in a UNION doesn't cause a problem.
END TRY
BEGIN CATCH
SELECT 2 Test
END CATCH
SELECT 1 Test 
END

在我的例子中，在插入后添加一个 ;COMMIT; 解决了它，并确保它被写入数据库。

openquery 完成后似乎回滚

openquery apears to be rolled back when done

sql-server

openquery

sql-server-2012