Re: thread safety tests

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Jan Wieck <JanWieck(at)Yahoo(dot)com>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: thread safety tests
Date: 2004-06-09 18:34:18
Message-ID: 200406091834.i59IYJu17653@candle.pha.pa.us
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

Jan Wieck wrote:
> On 6/9/2004 1:44 PM, Bruce Momjian wrote:
>
> > Jan Wieck wrote:
> >> On 6/9/2004 1:04 PM, Bruce Momjian wrote:
> >>
> >> > What we really need is a way to do the uid->username mapping in a
> >> > thread-safe way. Could we check the environment for $USER or $LOGNAME?
> >> > Could we require them to be set for thread builds on OS's without
> >> > getpwuid_r and in cases where the username is not specified in the
> >> > connection string?
> >>
> >> Maybe not as popular, but what about breaking backward compatibility and
> >> require the DB name to be specified, no username fallback? How many
> >> applications really rely on that feature? And people who are used to it
> >> from the commandline can set PGDATABASE in their .profile to get it back.
> >
> > That is only part of where the username is used. I assume it is also
> > used for connections when the username isn't supplied, not just as the
> > default for the database name.
> >
> > Basically on those platforms, either the username would have to be in
> > the environment, or supplied as part of the connection string.
> >
>
> We have PGUSER, PGHOST, PGPORT, PGDATABASE, all of them you can set in
> your .profile, why do we need to lookup the uid at all?

In case they don't set it, which is very common, I am sure.

--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073

In response to

Browse pgsql-hackers by date

  From Date Subject
Next Message Alvaro Herrera 2004-06-09 18:36:24 Re: Frequently updated tables
Previous Message Jan Wieck 2004-06-09 18:27:08 Re: thread safety tests