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Re: Proposal: Commit timestamp

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Jan Wieck <JanWieck(at)Yahoo(dot)com>
Cc: Neil Conway <neilc(at)samurai(dot)com>, PostgreSQL Development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Proposal: Commit timestamp
Date: 2007-01-26 00:41:48
Message-ID: 15256.1169772108@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackers
Jan Wieck <JanWieck(at)Yahoo(dot)com> writes:
> On 1/25/2007 6:47 PM, Neil Conway wrote:
>> Would this feature have any use beyond the specific project/algorithm
>> you have in mind?

> The tablelog project on pgfoundry currently uses the transactions start 
> time but would be very delighted to have the commit time available instead.

BTW, it's not clear to me why you need a new log area for this.  (We
don't log transaction start time anywhere, so certainly tablelog's needs
would not include it.)  Commit timestamps are available from WAL commit
records in a crash-and-restart scenario, so wouldn't that be enough?

			regards, tom lane

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Subject: Re: Proposal: Commit timestamp
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