Re: libpq compression

On 11.01.2021 20:38, Tomas Vondra wrote:
> On 1/11/21 2:53 PM, Konstantin Knizhnik wrote:
>> ...
>>
>> New version of libpq compression patch is attached.
>> It can be also be found at git@github.com:postgrespro/libpq_compression.git
>>
> Seems it bit-rotted already, so here's a slightly fixed version.
>
> 1) Fixes the MSVC makefile. The list of files is sorted alphabetically,
> so I've added the file at the end.
>
> 2) Fixes duplicate OID. It's a good practice to assign OIDs from the end
> of the range, to prevent collisions during development.

Thank you
>
> Other than that, I wonder what's the easiest way to run all tests with
> compression enabled. ISTM it'd be nice to add pg_regress option forcing
> a particular compression algorithm to be used, or something similar. I'd
> like a convenient way to pass this through a valgrind, for example. Or
> how do we get this tested on a buildfarm?
I run regression tests with PG_COMPRESSION environment variable set to 
"true".
Do we need some other way (like pg_regress options to run tests with 
compression enabled?

> I'm not convinced it's very user-friendly to not have a psql option
> enabling compression. It's true it can be enabled in a connection
> string, but I doubt many people will notice that.
>
> The sgml docs need a bit more love / formatting. The lines in libpq.sgml
> are far too long, and there are no tags whatsoever. Presumably zlib/zstd
> should be marked as <literal>, and so on.
>
>
> regards
>
Thank you, I will fix it.