Re: PITR - recovery to a particular transaction

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От Bruce Momjian
Тема Re: PITR - recovery to a particular transaction
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Msg-id 200408071807.i77I7dP05849@candle.pha.pa.us
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Ответ на Re: PITR - recovery to a particular transaction  (Tom Lane <tgl@sss.pgh.pa.us>)
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Tom Lane wrote:
> Bruce Momjian <pgman@candle.pha.pa.us> writes:
> > Yea, my question is if you choose "after", do you get everything that
> > happens until the "after" transaction commits, or just when it begins. 
> > If I stop after xid 125, and xid 126 starts and stops before 125
> > commits, does 126 get restored?
> 
> Yes.  You don't get to be selective about what to keep: it's everything
> up to a certain time instant, and nothing after that.  Stopping by XID
> is just a different way of identifying what that time instant is.
> 
> BTW, stopping "before" an XID actually means stopping just before its
> commit or abort record, so transactions that ended before it did will
> be included in the recovery.

OK, I added a mention of this in the docs.

--  Bruce Momjian                        |  http://candle.pha.pa.us pgman@candle.pha.pa.us               |  (610)
359-1001+  If your life is a hard drive,     |  13 Roberts Road +  Christ can be your backup.        |  Newtown Square,
Pennsylvania19073
 


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