Re: MultiXacts & WAL

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: paolo romano <paolo(dot)romano(at)yahoo(dot)it>
Cc: Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: MultiXacts & WAL
Date: 2006-06-17 19:21:09
Message-ID: 22553.1150572069@sss.pgh.pa.us
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paolo romano <paolo(dot)romano(at)yahoo(dot)it> writes:
> Concerning the prepare state of two phase commit, as I was pointing out in my previous post, shared locks can safely be released once a transaction gets precommitted, hence they do not have to be made durable.

The above statement is plainly wrong. It would for example allow
violation of FK constraints.

regards, tom lane

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