Re: [GENERAL] Replication Ideas - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: [GENERAL] Replication Ideas
Date
Msg-id 200308270357.h7R3vQQ27987@candle.pha.pa.us
Whole thread Raw
In response to Re: [GENERAL] Replication Ideas  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
Tom Lane wrote:
> Bruce Momjian <pgman@candle.pha.pa.us> writes:
> > If you can detect if outside transactions conflict with your
> > transaction, you should be able to determine if the outside transactions
> > conflict with each other.
> 
> Uh ... not necessarily.  That amounts to assuming that every xact has
> complete knowledge of the actions of every other, which is an assumption
> I'd rather not make.  Detecting that what you've done conflicts with
> someone else is one thing, detecting that party B has conflicted with
> party C is another league entirely.

Yep.

--  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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