Re: [PATCH] COPY .. COMPRESSED

On Wed, Jan 16, 2013 at 06:19:09PM -0500, Robert Haas wrote:
> On Tue, Jan 15, 2013 at 4:50 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> > I find the argument that this supports compression-over-the-wire to be
> > quite weak, because COPY is only one form of bulk data transfer, and
> > one that a lot of applications don't ever use. If we think we need to
> > support transmission compression for ourselves, it ought to be
> > integrated at the wire protocol level, not in COPY.
> >
> > Just to not look like I'm rejecting stuff without proposing
> > alternatives, here is an idea about a backwards-compatible design for
> > doing that: we could add an option that can be set in the connection
> > request packet. Say, "transmission_compression = gzip".
>
> But presumably this would transparently compress at one end and
> decompress at the other end, which is again a somewhat different use
> case. To get compressed output on the client side, you have to
> decompress and recompress. Maybe that's OK, but it's not quite the
> same thing.

Is there a TODO here?

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Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

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