| From: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
|---|---|
| To: | Heikki Linnakangas <hlinnaka(at)iki(dot)fi> |
| Cc: | Ashutosh Bapat <ashutosh(dot)bapat(dot)oss(at)gmail(dot)com>, Maxim Orlov <orlovmg(at)gmail(dot)com>, Alexander Korotkov <aekorotkov(at)gmail(dot)com>, wenhui qiu <qiuwenhuifx(at)gmail(dot)com>, Postgres hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: POC: make mxidoff 64 bits |
| Date: | 2025-12-11 20:05:24 |
| Message-ID: | 202512110804.hmukvd7jna34@alvherre.pgsql |
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| Lists: | pgsql-hackers |
On 2025-Dec-11, Heikki Linnakangas wrote:
> That's a great question and I've been wondering about it myself. It goes all
> the way to the initial commit where multixacts were introduced, and I don't
> see any particular reason for it even back then. Even in the very first
> version of multixact.c, IMO it would've been simpler to have the writer
> handle the wraparound.
>
> Álvaro, would you happen to remember?
Sorry, I have no recollections of the reason why it was done this way.
--
Álvaro Herrera 48°01'N 7°57'E — https://www.EnterpriseDB.com/
Voy a acabar con todos los humanos / con los humanos yo acabaré
voy a acabar con todos (bis) / con todos los humanos acabaré ¡acabaré! (Bender)
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