Re: protocol change in 7.4

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Satoshi Nagayasu <pgsql(at)snaga(dot)org>
Cc: Darren Johnson <darren(at)up(dot)hrcoxmail(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: protocol change in 7.4
Date: 2002-11-05 04:46:10
Message-ID: 13298.1036471570@sss.pgh.pa.us
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I don't see why 2PC would require any protocol-level change. I would
think that the API would be something like

BEGIN;
issue some commands ...
PRECOMMIT;
-- if the above does not return an error, then
COMMIT;

In other words, 2PC would require some new commands, but a new command
doesn't affect the protocol layer.

regards, tom lane

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