Re: XID formatting and SLRU refactorings (was: Add 64-bit XIDs into PostgreSQL 15)

From: Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com>
To: Aleksander Alekseev <aleksander(at)timescale(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Cc: Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>, Maxim Orlov <orlovmg(at)gmail(dot)com>, Pavel Borisov <pashkin(dot)elfe(at)gmail(dot)com>, Alexander Korotkov <aekorotkov(at)gmail(dot)com>, Ilya Anfimov <ilan(at)tzirechnoy(dot)com>
Subject: Re: XID formatting and SLRU refactorings (was: Add 64-bit XIDs into PostgreSQL 15)
Date: 2022-03-17 13:23:36
Message-ID: 85f2c6c5-f8a6-5da8-67a6-9e48f56c7f77@enterprisedb.com
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On 17.03.22 14:12, Aleksander Alekseev wrote:
> v19-0001 changes the format string for XIDs from %u to XID_FMT. This
> refactoring allows us to switch to UINT64_FORMAT by changing one
> #define in the future patches.
>
> Kyotaro suggested using `errmsg("blah blah %lld ..", (long long)
> xid)` instead in order to simplify localization of the error messages.
> Personally I don't have a strong opinion here. Either approach will
> work and will affect the error messages eventually. Please let us know
> what you think.

This is not a question of simplification. Translatable messages with
embedded macros won't work. This patch isn't going to be acceptable.

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