Null SQL user

[Peter Nixon]

> > As you can see a request with NULL username is quite valid for me, and
> > may be proxied or accepted based (from inside the sql procedure) based on
> > information in the request other than username/password and should
> > therefore go through the normal sql queries.
>
> Oh, absolutely.  There are many instances where a User-Name attribute
> may not/need not be present that are completely valid and should be
> handled by the sql module.

Can someone please test the attached patch before I commit it. It works ok for 
us with Postgresql but its possible that it may cause suprises for other 
database types.

Cheers

-- 

Peter Nixon
http://www.peternixon.net/
PGP Key: http://www.peternixon.net/public.asc
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