Re: libpq compression

Hi,

On 2019-02-08 07:01:01 +0000, Iwata, Aya wrote:
> > I still not sure whether it is good idea to make it possible to user to
> > explicitly specify compression algorithm.
> > Right now used streaming compression algorithm is hardcoded and depends on
> > --use-zstd ort --use-zlib configuration options.
> > If client and server were built with the same options, then they are able
> > to use compression.
> I understand that compression algorithm is hardcoded in your proposal.
> However given the possibility of future implementation, I think 
> it would be better for it to have a flexibility to choose compression library.

Agreed. I think that's a hard requirement. Making explicitly not forward
compatible interfaces is a bad idea.

Greetings,

Andres Freund