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Re: SIREAD lock versus ACCESS EXCLUSIVE lock

From: "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov>
To: "Dan Ports" <drkp(at)csail(dot)mit(dot)edu>
Cc: "Heikki Linnakangas" <heikki(dot)linnakangas(at)enterprisedb(dot)com>, <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: SIREAD lock versus ACCESS EXCLUSIVE lock
Date: 2011-04-27 22:25:34
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Lists: pgsql-hackers
Dan Ports <drkp(at)csail(dot)mit(dot)edu> wrote:
> On Wed, Apr 27, 2011 at 04:09:38PM -0500, Kevin Grittner wrote:
>> Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com> wrote:
>>> Hmm, could we upgrade all predicate locks to relation-level
>>> predicate locks instead?
>> Tied to what backend?
> I think Heikki was suggesting to upgrade to relation-level SIREAD
> locks.
Oh, yeah.  That *is* what he said, isn't it.  That's a simpler
solution which works just fine.  Please forget my over-excited
flights of fancy on the topic -- I was so focused on what I thought
was the solution I misread Heikki's much better idea as some
variation on my theme.  :-(

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