From: Alvaro Herrera <alvherre@alvh.no-ip.org>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>
Cc: pgsql-hackers@postgresql.org <pgsql-hackers@postgresql.org>
Subject: Re: strange error reporting
Date: Wed, 20 Jan 2021 15:25:26 -0300
Message-ID: <20210120182526.GA19606@alvherre.pgsql> (raw)
In-Reply-To: <CA+Tgmoas37XHT48KjEb0zACCTxSTkba_VP-BDQAft-Mj5_5z_Q@mail.gmail.com>
On 2021-Jan-20, Robert Haas wrote:
> On Wed, Jan 20, 2021 at 12:19 PM Tom Lane <tgl@sss.pgh.pa.us> wrote:
> > Robert Haas <robertmhaas@gmail.com> writes:
> > > I just made the mistake of trying to run pgbench without first running
> > > createdb and got this:
> >
> > > pgbench: error: connection to database "" failed: could not connect to
> > > socket "/tmp/.s.PGSQL.5432": FATAL: database "rhaas" does not exist
> >
> > > This looks pretty bogus because (1) I was not attempting to connect to
> > > a database whose name is the empty string [...]
> >
> > I'm not sure about the empty DB name in the first part (presumably
> > that's from pgbench, so what was your pgbench command exactly?).
>
> I think it was just 'pgbench -i 40'. For sure, I didn't specify a database name.
That's because pgbench reports the input argument dbname, but since you
didn't specify anything, then PQconnectdbParams() uses the libpq
behavior. I think we'd have to use PQdb() instead.
--
Álvaro Herrera Valdivia, Chile
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To: pgsql-hackers@postgresql.org
Cc: alvherre@alvh.no-ip.org, robertmhaas@gmail.com, tgl@sss.pgh.pa.us
Subject: Re: strange error reporting
In-Reply-To: <20210120182526.GA19606@alvherre.pgsql>
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