Re: libpq compression

From: Justin Pryzby <pryzby(at)telsasoft(dot)com>
To: Konstantin Knizhnik <knizhnik(at)garret(dot)ru>
Cc: Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com>, Konstantin Knizhnik <k(dot)knizhnik(at)postgrespro(dot)ru>, Denis Smirnov <sd(at)arenadata(dot)io>, Daniil Zakhlystov <usernamedt(at)yandex-team(dot)ru>, Andrey Borodin <x4mmm(at)yandex-team(dot)ru>, Dilip Kumar <dilipbalaut(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: libpq compression
Date: 2021-01-12 15:38:22
Message-ID: 20210112153822.GA1849@telsasoft.com
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On Tue, Jan 12, 2021 at 08:44:43AM +0300, Konstantin Knizhnik wrote:
> On 11.01.2021 20:38, Tomas Vondra wrote:
> > 1) Fixes the MSVC makefile. The list of files is sorted alphabetically,
> > so I've added the file at the end.
> Thank you

This is still failing the windows build.

I think you need something like this, which I have in my zstd/pg_dump patch.

--- a/src/tools/msvc/Solution.pm
+++ b/src/tools/msvc/Solution.pm
@@ -307,6 +307,7 @@ sub GenerateFiles
HAVE_LIBXML2 => undef,
HAVE_LIBXSLT => undef,
HAVE_LIBZ => $self->{options}->{zlib} ? 1 : undef,
+ HAVE_LIBZSTD => $self->{options}->{zstd} ? 1 : undef,

I think we should come up with an minimal, prelimininary 0001 patch which is
common between the 3 compression patches (or at least the two using zstd). The
./configure changes and a compressionlibs struct would also be included. I'm
planning to do something like this with the next revision of my patchset.

--
Justin

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