From: Tom Lane <tgl@sss.pgh.pa.us>
To: Peter Eisentraut <peter_e@gmx.net>
Cc: pgsql-sql@postgresql.org, Bryce Nesbitt <bryce1@obviously.com>
Subject: Re: Very slow updates when using IN syntax subselect
Date: Sat, 11 Feb 2006 19:37:37 -0500
Message-ID: <744.1139704657@sss.pgh.pa.us> (raw)
In-Reply-To: <200602112134.57572.peter_e@gmx.net>
References: <43ECFF0B.80905@obviously.com>
<7972.1139672862@sss.pgh.pa.us>
<43EE3F77.6020108@obviously.com>
<200602112134.57572.peter_e@gmx.net>
Peter Eisentraut <peter_e@gmx.net> writes:
> Bryce Nesbitt wrote:
>> They occur in fine time. That's good, thanks. But jeeze, can't
>> postgres figure this out for itself?
> I'm sure you wouldn't appreciate it if PostgreSQL did a full table scan
> before each query to figure out the total size of the involved tables.
It's also less than polite to complain about the behavior of
two-year-old releases, without making any effort to ascertain
whether more-current versions are smarter.
regards, tom lane
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To: pgsql-sql@postgresql.org
Cc: tgl@sss.pgh.pa.us, peter_e@gmx.net, bryce1@obviously.com
Subject: Re: Very slow updates when using IN syntax subselect
In-Reply-To: <744.1139704657@sss.pgh.pa.us>
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