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From: Alvaro Herrera <alvherre@commandprompt.com>
To: Simon Riggs <simon@2ndQuadrant.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Matthew Wakeling <matthew@flymine.org>
Cc: pgsql-performance@postgresql.org
Subject: Re: plpgsql arrays
Date: Fri, 3 Apr 2009 13:33:24 -0400
Message-ID: <20090403173324.GG23023@alvh.no-ip.org> (raw)
In-Reply-To: <1238779839.5444.220.camel@ebony.2ndQuadrant>
References: <alpine.DEB.2.00.0904031420470.21772@aragorn.flymine.org>
	<603c8f070904030647u1c92e13ew53612ac0011ed7c1@mail.gmail.com>
	<alpine.DEB.2.00.0904031455210.21772@aragorn.flymine.org>
	<28595.1238767442@sss.pgh.pa.us>
	<1238779839.5444.220.camel@ebony.2ndQuadrant>

Simon Riggs wrote:
> 
> On Fri, 2009-04-03 at 10:04 -0400, Tom Lane wrote:

> > I don't actually believe that a standard merge join algorithm will work
> > with an intransitive join condition ...
> 
> I think it's a common enough problem that having a non-standard join
> algorithm written for that case would be interesting indeed.

+42

-- 
Alvaro Herrera                                http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

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