SQL2K SP4 Gives Error 1706 Creating Multi-statement Table-valued Function Names Beginning With Sys?

Nov 2, 2006

Hi all,

I've created a number of tables, views, sproc, and functions whose names begin with "sys_", but when I tried to create a multi-statement table-valued function with this type of name, I got:

Server: Msg 1706, Level 16, State 2, Procedure sys_tmp, Line 9
System table 'sys_test' was not created, because ad hoc updates to system catalogs are not enabled.

I had a quick look in this forum for 1706 (and on Google) but couldn't find anything. Does anyone know for certain if this is a bug in SQL2K?

Thanks, Jos

Here's a test script:
/*
----------------------------------------------------------------------------------------------------
T-SQL code to test creation of three types of function where the function name begins with "sys_".
Jos Potts, 02-Nov-2006
----------------------------------------------------------------------------------------------------
*/

PRINT @@VERSION
go

PRINT 'Scalar function with name "sys_" creates ok...'
go

CREATE FUNCTION sys_test
()
RETURNS INT
AS
BEGIN
RETURN 1
END
go

DROP FUNCTION sys_test
go

PRINT ''
go


PRINT 'In-line table-valued function with name "sys_" creates ok...'
go

CREATE FUNCTION sys_test
()
RETURNS TABLE
AS
RETURN SELECT 1 c
go

DROP FUNCTION sys_test
go

PRINT ''
go


PRINT 'Multi-statement table-valued function with name "sys_" generates error 1706...'
go

CREATE FUNCTION sys_tmp
()
RETURNS @t TABLE
(c INT)
AS
BEGIN

INSERT INTO @t VALUES (1)

RETURN

END
go

DROP FUNCTION sys_test
go

PRINT ''
go

/*
----------------------------------------------------------------------------------------------------
*/

And here€™s the output from running the test script in Query Analyser on our server:
Microsoft SQL Server 2000 - 8.00.2039 (Intel X86)
May 3 2005 23:18:38
Copyright (c) 1988-2003 Microsoft Corporation
Standard Edition on Windows NT 5.0 (Build 2195: Service Pack 4)

Scalar function with name "sys_" creates ok...

In-line table-valued function with name "sys_" creates ok...

Multi-statement table-valued function with name "sys_" generates error 1706...
Server: Msg 1706, Level 16, State 2, Procedure sys_tmp, Line 11
System table 'sys_tmp' was not created, because ad hoc updates to system catalogs are not enabled.
Server: Msg 3701, Level 11, State 5, Line 2
Cannot drop the function 'sys_test', because it does not exist in the system catalog.

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Imports SystemImports System.TextImports System.DataImports System.Data.SqlClientImports System.Data.SqlTypesImports System.CollectionsImports System.DirectoryServicesImports Microsoft.SqlServer.ServerPartial Public Class UserDefinedFunctions#Region "Constants" ''' <summary> ''' The connection string for Active Directory. ''' </summary> 'Private Const LDAP_CONNECTION_STRING As String = "LDAP://<My LDAP connection string> ''' <summary> ''' The LDAP search filter need to find a user in Active Directory. ''' </summary> 'Private Const LDAP_SEARCH_FILTER_USER As String = "(&(objectclass=user)(objectcategory=person)(sAMAccountName={0}))"#End Region ''' <summary> ''' Gets all active directory groups for the user. ''' </summary> ''' <returns>All dataset permissions for the user.</returns> <Microsoft.SqlServer.Server.SqlFunction(DataAccess:=DataAccessKind.None, FillRowMethodName:="udfUserActiveDirectoryGroupsFill", TableDefinition:="GroupID NVARCHAR(100)")> _ Public Shared Function udfUserActiveDirectoryGroups(ByVal userName As String) As IEnumerable ' Setup the active directory search. Dim searcher As New DirectorySearcher(LDAP_CONNECTION_STRING) searcher.Filter = String.Format(LDAP_SEARCH_FILTER_USER, userName) searcher.SearchScope = SearchScope.Subtree searcher.PropertiesToLoad.Add("distinguishedname") ' Run the active directory search. Dim result As SearchResult = searcher.FindOne() Dim userEntry As DirectoryEntry = result.GetDirectoryEntry() Dim userGroups As New ArrayList GetActiveDirectoryGroupsForEntry(userEntry, userGroups) Return userGroups End Function Public Shared Sub udfUserActiveDirectoryGroupsFill(ByVal source As Object, ByRef GroupID As SqlChars) GroupID = New SqlChars(CType(source, String)) End Sub ''' <summary> ''' Recursively gets the active directory groups for the directory entry. ''' </summary> ''' <param name="entry">The active directory entry.</param> ''' <param name="groups">The list of groups.</param> Private Shared Sub GetActiveDirectoryGroupsForEntry(ByVal entry As DirectoryEntry, ByVal groups As ArrayList) For i As Integer = 0 To entry.Properties("memberOf").Count - 1 Dim memberEntry As New DirectoryEntry("LDAP://" + entry.Properties("memberOf")(i).ToString()) groups.Add(memberEntry.Properties("sAMAccountName")(0).ToString()) GetActiveDirectoryGroupsForEntry(memberEntry, groups) Next End SubEnd Class

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Can A Stored Procedure Called From An Inline Table-Valued Function

Oct 5, 2006

Hi,

I'm trying to call a Stored Procedure from a Inline Table-Valued Function. Is it possible? If so can someone please tell me how? And also I would like to call this function from a view. Can it be possible? Any help is highly appreciated. Thanks

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Temporary Table Vs. Table Valued Function

Jun 6, 2006

I need to return a table of values calculated from other tables. I have about 10 reports which will use approx. 6 different table structures.

Would it be better performance wise to create a physical table in the database to update while calculating using an identity field to id the stored procedure call, return the data and delete the records. For Example:

StrVal1,Strval2,StrVal4,IntVal1,IntVal2,FloatVal1...

Or using a table-valued function to return a temp table as the result.

I just dont know which overhead is worst, creating a table per function call, or using a defined table then deleting the result set per sp call.

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