From: Richard Klingler <richard@klingler.net>
To: pgsql-sql@postgresql.org
Subject: Re: Natural sort order
Date: Wed, 29 Feb 2012 17:14:21 +0100
Message-ID: <20120229171421907526.563c7a4e@klingler.net> (raw)
In-Reply-To: <1604.1330531726@sss.pgh.pa.us>
References: <20111217113306531983.1eb85a86@klingler.net>
<CAP_rwwkrnuANFjirZvkS=Ca2gejQvQa-xnM-vXsOFSQ1Jy92cQ@mail.gmail.com>
<20120228133835204823.bbf29d1f@klingler.net>
<1604.1330531726@sss.pgh.pa.us>
Actually got it figured...for some reason it had the function twice (o;
But with or without function index the time to query stays the same...around 110msec for 24 results...
cheers
richard
On Wed, 29 Feb 2012 11:08:46 -0500, Tom Lane wrote:
> Richard Klingler <richard@klingler.net> writes:
>> Took some time until I could try out this...
>> But as soon I want to create the fcuntion based index it tells me:
>> Error : ERROR: functions in index expression must be marked IMMUTABLE
>
> FWIW, this example works fine for me. Maybe you have some weird
> user-defined version of substr() or ~ that isn't immutable?
>
> regards, tom lane
>
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To: pgsql-sql@postgresql.org
Cc: richard@klingler.net
Subject: Re: Natural sort order
In-Reply-To: <20120229171421907526.563c7a4e@klingler.net>
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