Re: libpq analog of \c

Thx.

On Mon, Oct 5, 2026 at 8:12 AM Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>
wrote:

> On 10/5/26 7:57 AM, Igor Korot wrote:
> > Hi,
> >
> >
> >
> > On Sun, Oct 4, 2026, 11:35 PM Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at
> > <mailto:laurenz(dot)albe(at)cybertec(dot)at>> wrote:
> >
> > On Sun, 2026-10-04 at 23:09 -0700, Igor Korot wrote:
> > > What do issue in the libpq interface to
> > > select the current database?
> >
> > You cannot select the current database. A database connection
> remains
> > connected to the same database for the entire time of the connection.
> > You'll have to do what psql does: connect to the second database, and
> > if that succeeds, disconnect from the first one.
> >
> >
> > Where do I look for that code?
>
> https://github.com/postgres/postgres/blob/master/src/bin/psql/command.c
>
> As a starting point, section beginning with:
>
> /*
> * \c or \connect -- connect to database using the specified parameters.
> *
> * \c [-reuse-previous=BOOL] dbname user host port
>
> ...
> >
> > Thank you.
> >
> >
> > Yours,
> > Laurenz Albe
> >
>
>
> --
> Adrian Klaver
> adrian(dot)klaver(at)aklaver(dot)com
>