From: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
---|---|
To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: strange error reporting |
Date: | 2021-01-20 18:25:26 |
Message-ID: | 20210120182526.GA19606@alvherre.pgsql |
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Lists: | pgsql-hackers |
On 2021-Jan-20, Robert Haas wrote:
> On Wed, Jan 20, 2021 at 12:19 PM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> > Robert Haas <robertmhaas(at)gmail(dot)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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