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Is there anyway to make sql server search the master database for SQLCLR stored procedures before the current one?
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anywaystoredproceduresthesearchsqlclrsqlmakedatabaseone
Problem
For T-SQL stored procedures with the prefix sp_, SQL Server will search for and user a procedure in the master database before the current one. This does not appear to be the case with a SQLCLR stored procedure I created with SQL Server 2010 using Visual Studios built in deploy. The database server is SQL Server 2008 R2 (SP1).
I execute this script:
And the stored procedure will only execute with an unqualified name from the master database:
The code for those procedures is as follows:
`[SqlProcedure(Name = "sp_RAISERROR_UncaughtDemo")]
public static void RaiserrorUncaught()
{
short i = 0;
using (var cn = new SqlConnection("context connection=true"))
using (var cmd = cn.CreateCommand())
{
cn.Open();
cmd.CommandText = "RAISERROR('RAISERROR() Uncaught Severity %d', @i, 1, @i)";
cmd.Par
I execute this script:
SELECT name
from master.sys.procedures
WHERE type_desc='CLR_STORED_PROCEDURE' and schema_id = 1
USE tempdb
PRINT 'USING tempDb'
EXEC sp_RAISERROR_CaughtDemo;
GO
USE master
PRINT 'USING master'
EXEC sp_RAISERROR_CaughtDemo
GO
--SELECT * from sys.assembly_modules
And the stored procedure will only execute with an unqualified name from the master database:
name
----------------------------------
sp_RAISERROR_CaughtDemo
sp_RAISERROR_UncaughtDemo
(2 row(s) affected)
USING tempDb
Msg 2812, Level 16, State 62, Line 5
Could not find stored procedure 'sp_RAISERROR_CaughtDemo'.
USING master
RAISERROR() Caught Severity 0
RAISERROR() Caught Severity 1
Msg 50000, Level 1, State 1
RAISERROR() Caught Severity 2
Msg 50000, Level 2, State 1
RAISERROR() Caught Severity 3
Msg 50000, Level 3, State 1
RAISERROR() Caught Severity 4
Msg 50000, Level 4, State 1
RAISERROR() Caught Severity 5
Msg 50000, Level 5, State 1
RAISERROR() Caught Severity 6
Msg 50000, Level 6, State 1
RAISERROR() Caught Severity 7
Msg 50000, Level 7, State 1
RAISERROR() Caught Severity 8
Msg 50000, Level 8, State 1
RAISERROR() Caught Severity 9
Msg 50000, Level 9, State 1
RAISERROR() Caught Severity 10
Msg 50000, Level 11, State 1, Line 1
RAISERROR() Caught Severity 11The code for those procedures is as follows:
`[SqlProcedure(Name = "sp_RAISERROR_UncaughtDemo")]
public static void RaiserrorUncaught()
{
short i = 0;
using (var cn = new SqlConnection("context connection=true"))
using (var cmd = cn.CreateCommand())
{
cn.Open();
cmd.CommandText = "RAISERROR('RAISERROR() Uncaught Severity %d', @i, 1, @i)";
cmd.Par
Solution
I don't know a solution (and I don't know if the CLR scaffolding was ever designed to mimic the functionality you're talking about), but one workaround could be to create a T-SQL stored procedure in master that serves as a wrapper to relay the call to the CLR version. Marking it as a system object shouldn't be necessary, as long as a stored procedure with the same name doesn't exist in the user database.
EDIT - just proved that this works fine, as much for myself as anything. First I created your assembly and added the procedure necessary to repro (I'm not going to include all the bits here for brevity):
Then I created a wrapper stored procedure, making sure to fully qualify the CLR procedure:
Then I adjusted your repro code to call the wrapper from tempdb instead:
Results:
So this shows that you should be able to use a wrapper like this to be able to call CLR procedures, unreferenced, from other databases.
(However, I will suggest that in general this shouldn't be a goal - you should be properly defining references with three-part names where applicable.)
I'll confess I did make one change to your stored procedure though, to prevent Visual Studio from whining at me. I changed:
To:
But of course this change had nothing to do with the scoping issue.
EDIT - just proved that this works fine, as much for myself as anything. First I created your assembly and added the procedure necessary to repro (I'm not going to include all the bits here for brevity):
USE master;
GO
CREATE ASSEMBLY [Justin]
AUTHORIZATION [dbo]
FROM 0x4D5A900003000000040... lots of data here ...;
GO
ALTER ASSEMBLY [Justin]
DROP FILE ALL
ADD FILE FROM 0x4D6963726F... even more data here ...;
AS N'Justin.pdb';
GO
CREATE PROCEDURE [dbo].[sp_RAISERROR_CaughtDemo]
AS EXTERNAL NAME [Justin].[StoredProcedures].[RaiserrorCaught]
GOThen I created a wrapper stored procedure, making sure to fully qualify the CLR procedure:
CREATE PROCEDURE dbo.sp_RAISERROR_CaughtDemo_Wrapper
AS
BEGIN
SET NOCOUNT ON;
EXEC master.dbo.sp_RAISERROR_CaughtDemo;
END
GOThen I adjusted your repro code to call the wrapper from tempdb instead:
USE tempdb;
PRINT 'USING tempDb';
EXEC sp_RAISERROR_CaughtDemo_wrapper;
GOResults:
USING tempDb
RAISERROR() Caught Severity 0
RAISERROR() Caught Severity 1
Msg 50000, Level 1, State 1
RAISERROR() Caught Severity 2
Msg 50000, Level 2, State 1
RAISERROR() Caught Severity 3
Msg 50000, Level 3, State 1
RAISERROR() Caught Severity 4
Msg 50000, Level 4, State 1
RAISERROR() Caught Severity 5
Msg 50000, Level 5, State 1
RAISERROR() Caught Severity 6
Msg 50000, Level 6, State 1
RAISERROR() Caught Severity 7
Msg 50000, Level 7, State 1
RAISERROR() Caught Severity 8
Msg 50000, Level 8, State 1
RAISERROR() Caught Severity 9
Msg 50000, Level 9, State 1
RAISERROR() Caught Severity 10
Msg 50000, Level 11, State 1, Line 1
RAISERROR() Caught Severity 11So this shows that you should be able to use a wrapper like this to be able to call CLR procedures, unreferenced, from other databases.
(However, I will suggest that in general this shouldn't be a goal - you should be properly defining references with three-part names where applicable.)
I'll confess I did make one change to your stored procedure though, to prevent Visual Studio from whining at me. I changed:
while (true)To:
while (i <= 11)But of course this change had nothing to do with the scoping issue.
Code Snippets
USE master;
GO
CREATE ASSEMBLY [Justin]
AUTHORIZATION [dbo]
FROM 0x4D5A900003000000040... lots of data here ...;
GO
ALTER ASSEMBLY [Justin]
DROP FILE ALL
ADD FILE FROM 0x4D6963726F... even more data here ...;
AS N'Justin.pdb';
GO
CREATE PROCEDURE [dbo].[sp_RAISERROR_CaughtDemo]
AS EXTERNAL NAME [Justin].[StoredProcedures].[RaiserrorCaught]
GOCREATE PROCEDURE dbo.sp_RAISERROR_CaughtDemo_Wrapper
AS
BEGIN
SET NOCOUNT ON;
EXEC master.dbo.sp_RAISERROR_CaughtDemo;
END
GOUSE tempdb;
PRINT 'USING tempDb';
EXEC sp_RAISERROR_CaughtDemo_wrapper;
GOUSING tempDb
RAISERROR() Caught Severity 0
RAISERROR() Caught Severity 1
Msg 50000, Level 1, State 1
RAISERROR() Caught Severity 2
Msg 50000, Level 2, State 1
RAISERROR() Caught Severity 3
Msg 50000, Level 3, State 1
RAISERROR() Caught Severity 4
Msg 50000, Level 4, State 1
RAISERROR() Caught Severity 5
Msg 50000, Level 5, State 1
RAISERROR() Caught Severity 6
Msg 50000, Level 6, State 1
RAISERROR() Caught Severity 7
Msg 50000, Level 7, State 1
RAISERROR() Caught Severity 8
Msg 50000, Level 8, State 1
RAISERROR() Caught Severity 9
Msg 50000, Level 9, State 1
RAISERROR() Caught Severity 10
Msg 50000, Level 11, State 1, Line 1
RAISERROR() Caught Severity 11while (true)Context
StackExchange Database Administrators Q#27324, answer score: 4
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