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From: Heikki Linnakangas <[email protected]>
To: Alvaro Herrera <[email protected]>
Cc: Ashutosh Bapat <[email protected]>
Cc: Maxim Orlov <[email protected]>
Cc: Alexander Korotkov <[email protected]>
Cc: wenhui qiu <[email protected]>
Cc: Postgres hackers <[email protected]>
Subject: Re: POC: make mxidoff 64 bits
Date: Fri, 12 Dec 2025 10:51:25 +0200
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>

On 11/12/2025 22:05, Alvaro Herrera wrote:
> 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.

Ok, I have pushed this. Thanks!

- Heikki

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