Re: Testing 9.2 in ~production environment

From: Peter Eisentraut <peter_e(at)gmx(dot)net>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: James Cloos <cloos(at)jhcloos(dot)com>, pgsql-hackers(at)postgresql(dot)org, Josh Berkus <josh(at)agliodbs(dot)com>
Subject: Re: Testing 9.2 in ~production environment
Date: 2012-06-19 07:10:45
Message-ID: 1340089845.26286.13.camel@vanquo.pezone.net
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On tis, 2012-06-19 at 02:38 -0400, Tom Lane wrote:
> Peter Eisentraut <peter_e(at)gmx(dot)net> writes:
> > On mån, 2012-06-18 at 17:57 -0400, James Cloos wrote:
> >> I presume that lc_ctype is the significant difference?
>
> > It certainly makes some difference, but it's a bit shocking that
> makes
> > things that much slower.
>
> If James is testing text-comparison-heavy operations, it doesn't seem
> shocking in the least. strcoll() in most non-C locales is a pig.

Ah yes, of course, having lc_ctype != C also selects strcoll instead of
strcmp.

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