Re: Improving connection scalability: GetSnapshotData()

From: Andres Freund <andres(at)anarazel(dot)de>
To: Ranier Vilela <ranier(dot)vf(at)gmail(dot)com>
Cc: PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Daniel Gustafsson <daniel(at)yesql(dot)se>, Robert Haas <robertmhaas(at)gmail(dot)com>, "Jonathan S(dot) Katz" <jkatz(at)postgresql(dot)org>, Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, Peter Geoghegan <pg(at)bowt(dot)ie>, Bruce Momjian <bruce(at)momjian(dot)us>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, David Rowley <dgrowleyml(at)gmail(dot)com>
Subject: Re: Improving connection scalability: GetSnapshotData()
Date: 2020-07-24 17:16:13
Message-ID: 20200724171613.o4utsc7sehy4lmwj@alap3.anarazel.de
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On 2020-07-24 14:05:04 -0300, Ranier Vilela wrote:
> Latest Postgres
> Windows 64 bits
> msvc 2019 64 bits
>
> Patches applied v12-0001 to v12-0007:
>
> C:\dll\postgres\contrib\pgstattuple\pgstatapprox.c(74,28): warning C4013:
> 'GetOldestXmin' indefinido; assumindo extern retornando int
> [C:\dll\postgres
> C:\dll\postgres\contrib\pg_visibility\pg_visibility.c(569,29): warning
> C4013: 'GetOldestXmin' indefinido; assumindo extern retornando int
> [C:\dll\postgres\pg_visibility.
> vcxproj]
> C:\dll\postgres\contrib\pgstattuple\pgstatapprox.c(74,56): error C2065:
> 'PROCARRAY_FLAGS_VACUUM': identificador nao declarado
> [C:\dll\postgres\pgstattuple.vcxproj]
> C:\dll\postgres\contrib\pg_visibility\pg_visibility.c(569,58): error
> C2065: 'PROCARRAY_FLAGS_VACUUM': identificador nao declarado
> [C:\dll\postgres\pg_visibility.vcxproj]
> C:\dll\postgres\contrib\pg_visibility\pg_visibility.c(686,70): error
> C2065: 'PROCARRAY_FLAGS_VACUUM': identificador nao declarado
> [C:\dll\postgres\pg_visibility.vcxproj]

I don't know that's about - there's no call to GetOldestXmin() in
pgstatapprox and pg_visibility after patch 0002? And similarly, the
PROCARRAY_* references are also removed in the same patch?

Greetings,

Andres Freund

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