Thanks Guys, this is really useful, especially the pg_service.conf. I have got an app where the connection parameters have to be set in 3 different places I was thinking of writing something myself but now that I know of pg_service.conf, problem solved.
--- On Tue, 22/7/08, Jeffrey Baker <jwbaker(at)gmail(dot)com> wrote:
> From: Jeffrey Baker <jwbaker(at)gmail(dot)com>
> Subject: Re: [PERFORM] Perl/DBI vs Native
> To: "Greg Sabino Mullane" <greg(at)turnstep(dot)com>
> Cc: pgsql-performance(at)postgresql(dot)org
> Date: Tuesday, 22 July, 2008, 9:35 PM
> On Tue, Jul 22, 2008 at 9:48 AM, Greg Sabino Mullane
> <greg(at)turnstep(dot)com> wrote:
> >> In case someone is wondering, the way to force DBI
> to use unix
> >> sockets is by not specifying a host and port in
> the connect call.
> > Actually, the host defaults to the local socket. Using
> the port
> > may still be needed: if you leave it out, it simply
> uses the default
> > value (5432) if left out. Thus, for most purposes,
> just leaving
> > the host out is enough to cause a socket connection on
> the default
> > port.
> For the further illumination of the historical record, the
> practice here is probably to use the pg_service.conf file,
> which may
> or may not live in /etc depending on your operating system.
> Then you
> can connect in DBI using dbi:Pg:service=whatever, and
> change the
> definition of "whatever" in pg_service.conf.
> This has the same
> semantics as PGSERVICE=whatever when using psql. It's
> a good idea to
> keep these connection details out of your program code.
> Sent via pgsql-performance mailing list
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