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Re: pgsql: Protect GIST logic that assumes penalty values can't be negative - Mailing list pgsql-hackers

From Greg Stark
Subject Re: pgsql: Protect GIST logic that assumes penalty values can't be negative
Date
Msg-id BANLkTikAocc1fdEkggv-0-TYeVFm-1pt3w@mail.gmail.com
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In response to Re: pgsql: Protect GIST logic that assumes penalty values can't be negative  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: pgsql: Protect GIST logic that assumes penalty values can't be negative  (Alexander Korotkov <aekorotkov@gmail.com>)
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On Tue, May 31, 2011 at 4:11 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> Do gistchoose et al expect the triangle function to obey the triangle
>> inequality?
>
> Don't think so.
>

I guess it was obvious but that was "expect the *penalty* function to
obey the triangle inequality"

-- 
greg

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