| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Alexander Korotkov <aekorotkov(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Fix for gistchoose |
| Date: | 2012-08-30 17:39:12 |
| Message-ID: | CA+Tgmoai3fYgP_QcuVE3UrfAwXWsMQ5u1i8iiQYbyae7ut674A@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Thu, Aug 30, 2012 at 1:27 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Robert Haas <robertmhaas(at)gmail(dot)com> writes:
>> On Mon, Aug 20, 2012 at 12:57 PM, Alexander Korotkov
>> <aekorotkov(at)gmail(dot)com> wrote:
>>> I found that code of gistchoose doesn't follow it's logic. Idea of
>>> gistchoose is that first column penalty is more important than penalty of
>>> second column. If we meet same penalty values of first column then we choose
>>> minimal penalty value of second column among them.
>
>> Nice catch. Thanks for the patch, which I have now committed.
>
> Should we backpatch that?
Arguably, yes. Does the patch look sane to you?
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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