Re: Add 64-bit XIDs into PostgreSQL 15

From: Maxim Orlov <orlovmg(at)gmail(dot)com>
To: Bruce Momjian <bruce(at)momjian(dot)us>
Cc: Robert Haas <robertmhaas(at)gmail(dot)com>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, Andres Freund <andres(at)anarazel(dot)de>, Yura Sokolov <y(dot)sokolov(at)postgrespro(dot)ru>, Evgeny Voropaev <evgeny(dot)voropaev(at)tantorlabs(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, Andrey Borodin <x4mmm(at)yandex-team(dot)ru>
Subject: Re: Add 64-bit XIDs into PostgreSQL 15
Date: 2026-02-27 14:21:48
Message-ID: CACG=ezbFHqjY_Pyr+GPXGaX9=0c5fP_7gnb91ckjJ_o+_PL5gw@mail.gmail.com
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I just wanted to share my work-in-progress on switching the clog to 64
bits. So far, I've only dealt with the clog itself. Right now, support
for the x86 platform is lacking. But the first two patches are
refactorings and can be committed promptly.

What are your thoughts on this?

--
Best regards,
Maxim Orlov.

Attachment Content-Type Size
0001-Swicth-TransamVariables-oldestClogXid-to-FullTransac.patch application/octet-stream 4.3 KB
0002-Convert-macros-to-static-inline-functions-clog.c.patch application/octet-stream 1.9 KB
0003-WIP-make-clog-64-bit.patch application/octet-stream 43.6 KB

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