Re: psql \l error

"Hiroshi Inoue" <Inoue(at)tpf(dot)co(dot)jp> wrote:

> > -----Original Message-----
> > From: SAKAIDA Masaaki [mailto:sakaida(at)psn(dot)co(dot)jp]
> >
> > "Hiroshi Inoue" <Inoue(at)tpf(dot)co(dot)jp> wrote:
> > >
> > > In general client libraries/applications have to keep backward
> > > compatibility as possible,so it isn't enough for clients to be able to
> > > talk to the latest version of PostgreSQL servers.
> > >
> > > Comments ?
> >
> > I agree with you.
> >
> > User doesn't know how the specification of the server has been
> > changed. Therefore, it is natural that user believe that new
> > psql can talk to older server. Because backward compatibility is
> > a reasonable rule of the upgrading in generic client software.
> >
>
> Hmm,sorry for my poor English.
> What I meant is a little different from yours.
> What I wanted was to know official opinions about backward
> compatibility of clients(not only psql)included in PostgreSQL's
> release.

Sorry for my 10*poor English ;-)
I understand what you meant.

> There's already your pgbash that keeps backward compatibility.

In the next release pgbash-2.1(pgbash is a tool like bash+psql),

pgbash(7.0-libpq) can talk to 6.5/7.0-server.
and pgbash(6.5-libpq) can talk to 6.5/7.0-server.

pgbash will keep backward and forward compatibility as much as
possible.

--
Regard,
SAKAIDA Masaaki -- Osaka, Japan