Extended Stored Procedures -&> Loading Linked Files
Feb 11, 2004
Hello everybody
I actually wrote a stored procedure (in xp_wrapper.dll) that is using a dll (original.dll) which uses a license file (no file extension).... clear? :)
Anyway.
All the required files are placed in the BINN dir of the server.
The problem is now, that original.dll can't find it's license file. It seems, that this file was not load by SQL Server.
How can I load this file into SQL Server's heap?
Yours
Mike
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May 15, 2008
i have created the folowing function but keep geting an error.
Only functions and extended stored procedures can be executed from within a function.
Why am i getting this error!
Create Function myDateAdd
(@buildd nvarchar(4), @avdate as nvarchar(25))
Returns nvarchar(25)
as
Begin
declare @ret nvarchar(25)
declare @sqlval as nvarchar(3000)
set @sqlval = 'select ''@ret'' = max(realday) from (
select top '+ @buildd +' realday from v_caltable where realday >= '''+ @avdate +''' and prod = 1 )a'
execute sp_executesql @sqlval
return @ret
end
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Oct 12, 1999
I'm trying to execute an exetended stored procedure from a trigger. The scenario is this: when an input occurs on a table, my trigger is fired, the extended stopred procedure is to be run, and VB app is to be notified that there is new input to process.
Problem is, I can't seem to get the XP to run. I have written a minimal DLL
with VC++ 6, has nothing but the required __GetXpVersion function and the
trigger function, as:
__declspec(dllexport) SRVRETCODE xp_InputAlarm(SRV_PROC *pSrvProc)
{ return XP_NOERROR; }
__declspec(dllexport) ULONG __GetXpVersion()
{ return ODS_VERSION; }
Pretty simple. I have defined the XP in the master database, set the properties point to the DLL. Believe everything is set up properly. However,
when an input occurs, a run-time error is generated on the XP. Attempting to execute it in Query Analyzer gives this error:
"Cannot find the function xp_InputAlarm in the library D:CustomMedInstaCert SourceInputAlarmInputAlaInputAlarm.dll. Reason: 127(The specified procedure could not be found.)."
Which I think means it can't find the proper entry point (xp_InputAlarm) in the DLL. Any help would be greatly appreciated.
mjo
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Jan 6, 2005
Is there any way I can create an SQL script on any extended stored procedures? I need to see what they do. I looked in books online, but it didn't help. Thanks.
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Jun 13, 2001
I am working with Visual Basic and SQL Server 2000. I am looking to convert some of the VB into extended stored procedures, yet everything I've been reading has said that xp's can only be written in C or C++. Is this true??
Thanks.
Caroline Kaplonski
ckaplonski@buckconsultants.com
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Jan 6, 2005
Howdy,
I'm trying to call XP_CMDSHELL from a stored procedure that's not in the Master db. How do I call XP_CMDSHELL? I've tried "Use Master" but I get an error telling me that I can't use "USE" inside of a stored procedure.
Thanks!
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Sep 30, 1998
I would like to know if the the DLL`s one can build with VB5/6 can be used to construct Extended Stored Procedures in MS SQLServer 6.5? If so, how does one do this. All the reference material I`ve come across is for C
Thanks in Advance - Ralph
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Sep 30, 1998
I would like to know if the the DLL`s one can build with VB5/6 can be used to construct Extended Stored Procedures in MS SQLServer 6.5? If so, how does one do this. All the reference material I`ve come across is for C
Thanks in Advance - Ralph
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Jul 18, 2007
Hi,
How can I remove access to extended (xp_) stored procedures?
Is there any revoke on <stored_procedure_name> ... command? How can I generate a script of all users who have execute privileges for these procedures? Also, is there any way of restricting (instead of removing) access to those procedures?
Any help will be greatly appreciated!!!
Thanks,
Alla
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Jun 18, 2008
Hi all,
In one of my UDF I use the following functions:
.....
and len(@int_date) = 4
and isnumeric(substring(@int_date,5,6)) = 1
when I use the function I get
Only functions and extended stored procedures can be executed from within a function.
Yes, when I comment the two lines the function works fine.
Ehm.... why can't I use these functions in my function ?
Thanks: Peter
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Jul 20, 2005
Since DBlib is no longer the suggested method for connecting back tosql server from an Extended Stored Procedure, has anyone built anyextended stored procedures that use other connection methods likeOLEDB? Has anyone seen links to any sample extended stored proceduresthat use something other than db-lib? In particular I am interestedin something that connects back to the database as the user whoinvoked the extended stored procedure. I haven't had much luckfinding any.Also, is there an alternative for the bcp api that is a little morecurrent and has support for newer datatypes like bigint? We currentlyuse the bcp api from an extended stored procdure written in C++, butnow need to add bigint support which the bcp api doesn't have.Thanks for any advice.
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Sep 9, 2007
The Extended Stored Procedures (Written in C++ unmanaged code) are supported in SQL Server 2005????
Thanks
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Jun 11, 2007
I have a database script that uses the extended stored procedures sp_OACreate and sp_OCMethod to execute an .exe file. The .exe file is located on the same machine as the SQL Server. At this time it does nothing but log the name of the user calling it.
When I execute the script from Management Studio (logged in as myself) the user being logged as the caller of the .exe is still NT AUTHORITYSYSTEM. I don't know why NT AUTHORITYSYSTEM is the caller, cause the SQL Server service runs under another domain account.
I have tried playing around with EXECUTE AS USER but no matter what, the caller of the .exe is always logged as NT AUTHORITYSYSTEM.
Are there any way I can pass my credentials to the executable that I am calling from the T-SQL script?
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Apr 26, 2004
Is it possible to create an extended stored procedure in C Sharp.
This is for Sql Server 2000.
Books online mentions that you have to use c / c++ to create an extended stored procedure.
However have Microsoft added any support so that the same thing can be done through a simpler language like C Sharp.
Thanks,
Alok.
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Jul 20, 2005
I'm trying to pass parameters to an extended stored procedure, to noavail. I would like to pass two integers to the dll and I have thefollowing three snippets:1. The C++ portion of the dll:....declspec(dllexport) int myAddNumbers(int m, int n)....2. The creation of the extended stored procedure:EXEC sp_addextendedproc myAddNumbers , 'foodll.dll';3. The usage:create function TestFunction()returns integerasbegindeclare @rc integerexec @rc = myAddNumbersreturn (@rc)endHow do any of the above three things need to be modified in order tomake this work?Thanks!!!
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Feb 22, 2008
...we understand that perhaps some xp's might come with the product, but for sp's that we author ourselves, are they two different things in 2005, and if so, why would one be chosen over the other?
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Jun 29, 2007
Our security team wants us to disable access to (or drop) all of the built-in extended stored procedures in MSDE 2000 as they feel it is a vulnerability. Where can I find out which extended procs are safe to disable or how we can disable them during install time? Or, is the security team being too cautious and we should just tell them to leave these intact?
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May 28, 2007
Hi. Does anyone know how to display the results if i execute "xp_fixeddrives, xp_availablemedia and xp_subdirs" commands with VC++ 6.0? I can't obtained the results using Recordset class. Can someone help me? Thank you.
|_N_T_|
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Mar 9, 2001
You know this sample ODS dll project:
$80oolsdevtoolssamplesodsxp_hello
I need to find a template like this in Visual Basic.
On this site I read through the xp_Encrypt project which was developed in VB. I did not see source code or a downloadable project file.
My searching on the internet hasn't yielded any practicle results, all examples are either how to use an extended stored procedure or are a MSVC++ project.
Anyone find VB related resources, anywhere? Books, TV, magazines????
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Jul 23, 2005
What is the overhead of using extended stored procedures?I created a table with 500,000 rows.1) I ran a select on two columns and it runs in about 5 seconds.2) I ran a select on one column and called an UDF (it returns aconstant string) and it takes 10 seconds.3) I ran a select on one column and called a UDF that calls an extendedstored procedure that returns a string and it takes 65 seconds.I also tried running test 3 with 4 concurrent clients and each clienttakes about 120 seconds.
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Jun 7, 2006
Hi, l've created an function [GSM].[KPIAging], and test it in studio by substitule declare value, i.e.
DECLARE @sCellName VARCHAR(8)
DECLARE @dDate DATETIME
SET @sCellName = "CELL1M_1"
SET @dDate = CAST('06/Jun/2006' AS DATETIME)
EXEC GSM.KPIAging @sCellName, 'CSSR', @dDate
It work fine and return the desired result, but when l used this function in SQL,
SELECT DATEKEY, CELLREGIONKEY, CELL_NAME, CELL_ID, CSSR, GSM.KPIAging(Cell_Name, 'CSSR', @dDate)
FROM GSM.GSMCellDaily_vw
WHERE CSSR BETWEEN 0 AND 85
AND FULLDATE = @dDate
AND CM_SERV > 30
AND (TCH_TRAFFIC > 2 AND TCH_SEIZURES_ATTS > 30)
I got the following error, i.e.
Msg 557, Level 16, State 2, Line 19Only functions and extended stored procedures can be executed from within a function.
Does anyone have any idea on this, and what's the workaround for this?
Thanks you!
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May 7, 2008
Hi mister, I have this script sql but I get this error:
Mens. 557, Nivel 16, Estado 2, Línea 1
Only functions and extended stored procedures can be executed from within a function.
DROP FUNCTION ObtenerTablaPorNombre2
GO
CREATE FUNCTION ObtenerTablaPorNombre2 (@ParamNombreTabla VARCHAR(100))
RETURNS @T Table ( Descripcion VARCHAR(20) NOT NULL, CIF VARCHAR(8) NULL )
AS
BEGIN
DECLARE @cmd nvarchar(max)
DECLARE @params nvarchar(max)
DECLARE @NombreTabla VARCHAR(MAX)
DECLARE @Descripcion VARCHAR(MAX)
DECLARE @CIF VARCHAR(MAX)
SELECT @NombreTabla = [CD_NOMBRE_TABLA], @Descripcion = [DS_CAMPO_DESCRIPCION] , @CIF = [DS_CAMPO_CIF]
FROM [TABLA_MAESTRA] WHERE [CD_NOMBRE_TABLA] = @ParamNombreTabla
SET @cmd = 'SELECT ' + @Descripcion + ',' + @CIF + ' FROM ' + @NombreTabla
--EXEC (@cmd)
SET @cmd = 'SELECT @pDescripcion, @pCIF FROM @pNombreTabla'
SET @params = N'@pDescripcion varchar(100), @pCIF varchar(100), @pNombreTabla varchar(100) '
EXEC sp_executesql @cmd, @params, @pDescripcion = @Descripcion, @pCIF = @CIF, @pNombreTabla = @NombreTabla
RETURN
END
GO
SELECT * FROM [dbo].ObtenerTablaPorNombre2 ('tabla2')
-- Only functions and extended stored procedures can be executed from within a function
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Apr 29, 2004
Hi, all
I'm using Sql server 2000
I want to make select statement dynamically and return table using function.
in sp, I've done this but, in function I don't know how to do so.
(I have to create as function since our existing API..)
Following is my tials...
1.
alter Function fnTest
( @fromTime datetime, @toTime datetime)
RETURNS Table
AS
RETURN Exec spTest @from, @to
GO
Yes, it give syntax error..
2. So, I found the following
From Sql Server Books Online, Remark section of CREATE FUNCTION page of Transact-SQL Reference , it says following..
"The following statements are allowed in the body of a multi-statement function. Statements not in this list are not allowed in the body of a function: "
.....
* EXECUTE statements calling an extended stored procedures.
So, I tried.
alter Function fnTest
( @fromTime datetime, @toTime datetime)
RETURNS Table
AS
RETURN Exec master..xp_msver
GO
It doesn't work... syntax err...
Here I have quick question.. How to execute statements calling an extended stored procedures. any examples?
Now, I'm stuck.. how can I create dynamic select statement using function?
I want to know if it's possible or not..
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Sep 11, 2013
I have this function called fn_GetTimedKey() when I run it in my SQL2005 environment it works fine.
When I run it in my SQL2008R2 environment I get the error:
Only functions and some extended stored procedures can be executed from within a function.
The SQL2008R2 server is new. What can I look for?
Here's the code for the function:
BEGIN
DECLARE @v_Key CHAR(12)
EXEC master..xp_usg_gettimedkey_VAL @v_Key OUTPUT
RETURN @v_Key
END
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Feb 18, 2006
I've been trying to copy tables from a linked server to a SQL ServerExpress database. Express seems to have no direct/automatic way to doit, so I've been looking into doing this by hand (i.e., with a T-SQLprocedure).I've discovered some system stored procedures that seem relevant (likesp_tables_ex and sp_columns_ex). But they're procedures, nottable-valued functions, so I'm not sure if I can actually do anythingwith the data they return.If I could get to the data, I thought maybe I could use a cusor and awhile loop to recreate the tables in Express.Is this crazy?Really could use some advice on this.Thanks,-Dan
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Jul 20, 2005
When I create a stored procedure like the one below and save it,everything seems fine. But when I close Enterprise Manager andre-open it, the stored procedure is gone.Any ideas?SET ANSI_DEFAULTS ONGOCREATE PROCEDURE [dbo].[sp_Test] ASSELECT * FROM OPENQUERY(LINKEDSERVER, 'SELECT V.VENDOR_ID,V.VENDOR_NAME FROM VENDOR V')GOTed
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Mar 20, 2008
I am looking to implement a system whereby a given user can 'authorise' changes to the system itself and promote from test to live.
For instance a user might be running an application which has a SQL 2005 database DataA opena nd runnign stored procedures from that. I'd like a Stored procedure in that able to copy over a given stored procedure from a different database - DataB and copy into DataA. Is that possible?
Also is it possible from T-SQL to copy files on the servers underlying filesystem? Ie to copy some .aspx files from one location to another.
Regards
Clive
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Sep 19, 2005
I frequently use the "Generate Script" wizard to create a folder of .sql files (scripts) that I use to then transfer to my colleagues.
The question is, I don't see how to reverse the procedure, that is, to import the files with a bulk procedure, rather than copying them one at a time. What's the best way to do this?
thanks :confused:
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Jul 20, 2005
How does MicroSoft store the stored procedures in seperate files.What tools are used.Cause that's what I like to do too.Arno de Jong,The Netherlands.(SCPTFXR does not have the option to store the stored procedures indifferent filesI think)
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Nov 9, 2007
Hi,
I've a doubt regarding deploying and creating package (MSI and EXE files) for SQL Stored procedures,views,tables,functions,triggers etc.,just like ASP.NET application by publishing and deploying..Is it possible in the same way for sql objects.If so,pls help me how to do it?
Thanks in advance.
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Mar 8, 1999
Hey everyone,
I'm attempting to copy over extended procedures from another database, and it's only copying stored when I use the "Transfer Database" wizard. Anyone know why it doesn't copy extended, and how I can get it to? Thanks!
Alex
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Aug 22, 2002
I have to write a stored procedure to gather .dat files from multiple network shares to a single location and bulk insert them using format files. I have the SP working that accepts the filename and performs the bulk insert into my SQL tables using the appropriate format file.
Now, I had originally wrote the "copy files" portion in VB using the FSO, but was told it has to all be in a SQL SP. I have been investigating the xp_cmdshell extended procedure, which would work if I weren't pulling the .dat files from a Novell volume. For example connecting to a windows share this works...
exec xp_cmdshell 'dir servershare', no_output
but not when using a servervolume (Novell), even though from the command prompt this command will work to the novell volume.
Does anyone know of any other extended procedure or method in T-SQL that can perform file system functions?
Thanks in advance for any help!
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Jan 24, 2008
Hi all,
I tried to create a CSV file using Bulk Copy Program (BCP) and Stored Procedures: BCP executed from T-SQL using xp_cmdshell. I have the following sql code executed in my SQL Server Management Studio Express and error message:
--scBCPcLabResults.sql--
declare @sql varchar(8000)
select @sql = 'bcp ChDbLabResults out
c:cpChDbLabResults.txt -c -t, -T -S' + @@.SQLEXPRESS
exec master..xp_cmdshell @sql
Msg 137, Level 15, State 2, Line 3
Must declare the scalar variable "@@".
=========================================================================================
--scBCPcLabResults.sql--
declare @sql varchar(8000)
select @sql = 'bcp ChDbLabResults out
c:cpChDbLabResults.txt -c -t, -T -S' + @@SQLEXPRESS
exec master..xp_cmdshell @sql
Msg 137, Level 15, State 2, Line 3
Must declare the scalar variable "@@SQLEXPRESS".
===================================================================
I copied this set of code from a tutorial article that says "@@servername". My Sql Server is SQLEXPRESS, so I put @@.SQLEXPRESS or @@SQLEXPRESS in the code of scBCPcLabResults.sql.
I do not know why I got an error {Must declare the scalar variable "@@"} or {Must declare the scalar variable "@@SQLEXPRESS"}!!!??? Please help and advise me how to solve this problem.
Thanks in advance,
Scott Chang
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