Sql function in COLDFUSION

Question

Does anybody can suggest me how do i write SQL FUNCTIONS in
Coldfusion, i tried to run a SQL FUNCTION in a <cfquery> but
that returned me an Coldfusion Error. do i need to use
<cfstoredProc> for that or. any other <tag available>
<cfquery name="blahblah" datasource="#dsn#">
CREATE FUNCTION [dbo].[ConcatUserGroups](@UserID int)
RETURNS VARCHAR(8000)
AS
BEGIN
DECLARE @groupname Varchar(2000)
SET @groupname = ''
SELECT @groupname = @groupname + ', ' + CONVERT(varchar(20),
u.group_name)
FROM [user] A
JOIN UserGroup_combo UG
ON UG.ug_userID = a.[USER_ID]
JOIN usergroup U
ON UG.ug_groupID = u.group_ID
WHERE A.[USER_ID] = @userID
AND LEN(ISNULL(U.group_name,'')) > 0
ORDER BY U.GROUP_NAME
IF(LEN(@groupname) >= 2) BEGIN
SET @groupname = RIGHT(@groupname,(LEN(@groupname) - 2))
END
RETURN @groupname
END
GO
</cfquery>

Answer 1

There's no such thing as "coldfusion sql" (sic). Everything
between the
<cfquery> tags is simply resolved (ie: CF runtime
statements between
pound-signs) and passed straight to the DB drivers, and
thence to the DB
itself. CF does no SQL processing at all.
Your error kind of suggests a syntac error AFTER the query
has been
executed though.
Could you post some code, and point out which precise line is
erroring?
Adam