Re: What is xmin ?

From: Karsten Hilbert <Karsten(dot)Hilbert(at)gmx(dot)net>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: What is xmin ?
Date: 2005-01-18 13:43:09
Message-ID: 20050118144309.N817@hermes.hilbert.loc
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> Can you guys tell me how to interpret this value. I want to convert
> this to date format. Is it possible ?
No.

XMIN holds the id of the transaction which did the most recent
change to a row as is visible from within the current
transaction. Unless it wraps around (is that possible ?) older
transactions should have XMIN values lower than younger
transactions.

Karsten
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