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Re: PITR Phase 2 - Design Planning

From: Simon Riggs <simon(at)2ndquadrant(dot)com>
To: Peter Eisentraut <peter_e(at)gmx(dot)net>
Cc: Richard Huxton <dev(at)archonet(dot)com>,Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>,Alvaro Herrera <alvherre(at)dcc(dot)uchile(dot)cl>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: PITR Phase 2 - Design Planning
Date: 2004-04-29 18:38:27
Message-ID: 1083263907.3100.12.camel@stromboli (view raw or flat)
Thread:
Lists: pgsql-hackers
On Thu, 2004-04-29 at 16:09, Peter Eisentraut wrote:
> Simon Riggs wrote:
> > I'd suggest extending the CHECKPOINT command so you can say:
> > CHECKPOINT <text message>
> > e.g. CHECKPOINT 'starting payroll Feb04';
> > (I'm sure some other DBMS does this...head spinning can;t recall...)
> > the text could just appear in the xlog record data packet...
> 
> I believe you are thinking of a savepoint rather than a checkpoint.
> 

Perhaps that was the inspiration, but no, I definitely meant a
CHECKPOINT.

But now you come to mention it, it would be better just to have a
command that simply wrote a named record to the xlog, so it can be
searched for later...

COMMENT [IN TRANSACTION LOG] 'starting payroll Feb04' 

Best Regards, Simon Riggs


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