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From: Laurenz Albe <[email protected]>
To: Torsten Förtsch <[email protected]>
To: pgsql-general <[email protected]>
Subject: Re: Vacuum backend with backend_xmin?
Date: Mon, 10 Jun 2024 18:16:15 +0200
Message-ID: <[email protected]> (raw)
In-Reply-To: <CAKkG4_mX+yO6oigW7YY6rXy0HTFj_bmrQ0_ktcxLKCxDbVaf4Q@mail.gmail.com>
References: <CAKkG4_mX+yO6oigW7YY6rXy0HTFj_bmrQ0_ktcxLKCxDbVaf4Q@mail.gmail.com>

On Mon, 2024-06-10 at 14:06 +0200, Torsten Förtsch wrote:
> Now, my question is why does a vacuum backend have a backend_xmin? I am just curious.

I'd say because it sees a certain snapshot of the database, like all other
statements.

Yours,
Laurenz Albe

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