Re: Removing support for COPY FROM STDIN in protocol version 2

On 2021-Feb-04, Tom Lane wrote:

> Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> writes:
> > On 2021-Feb-04, Heikki Linnakangas wrote:
> >> Ok, here we go.
>
> > Are you going to bump the .so version for this? I think that should be
> > done, since some functions disappear and there are struct changes. It
> > is curious, though, to see that exports.txt needs no changes.
>
> Uh, what? There should be no externally visible ABI changes in libpq
> (he says without having read the patch). If there's a need for a library
> major version bump, that'd be sufficient reason not to do this IMO.

Yeah, the changes I was thinking about are all in libpq-int.h so that's
not really a problem. But one enum in libpq-fe.h renumbers values, and
I think it's better to keep the old value labelled as "unused" to avoid
any changes.

--
Álvaro Herrera Valdivia, Chile