From: Joshua D. Drake <jd@commandprompt.com>
To: Joshua D. Drake <jd@commandprompt.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
To: Sriram Dandapani <sdandapani@counterpane.com>
To: Pgsql-Performance (E-mail) <pgsql-performance@postgresql.org>
Subject: Re: select max(column) from parent table very slow
Date: Fri, 25 Aug 2006 08:23:37 -0700
Message-ID: <44EF15F9.7040807@commandprompt.com> (raw)
In-Reply-To: <20060825144530.GA14622@alvh.no-ip.org>
References: <6992E470F12A444BB787B5C937B9D4DF057500BF@ca-mail1.cis.local>
<44EE4DA1.5060701@commandprompt.com>
<18394.1156480407@sss.pgh.pa.us>
<44EE87BB.4050104@commandprompt.com>
<20060825144530.GA14622@alvh.no-ip.org>
>>>> query on each child and a max on the set that is returned.
>>> It is not. Feel free to submit a patch for planagg.c ...
>> I think my patch to pgbench may have set your expectations of me a bit
>> high ;)...
>
> Actually I think this is the perfect opportunity for you -- a patch that
> not only was absolutely unexpected, undiscussed, and posted without
> previous warning, but one that you were actually asked about! And
> weren't you recently joking about giving Tom nightmares by sending
> patches to the optimizer?
Yeah, but Tom is getting up there a bit, and that might mean a heart
attack. Then what would we do? ;)
Joshua D. Drake
>
>
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To: pgsql-performance@postgresql.org
Cc: jd@commandprompt.com, tgl@sss.pgh.pa.us, sdandapani@counterpane.com
Subject: Re: select max(column) from parent table very slow
In-Reply-To: <44EF15F9.7040807@commandprompt.com>
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