Re: B-Tree support function number 3 (strxfrm() optimization)

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От Peter Geoghegan
Тема Re: B-Tree support function number 3 (strxfrm() optimization)
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Msg-id CAM3SWZRT4Q1kYAz3ehU+vuU6MYo+fHtv4PMUXJBuK+McCUEbWg@mail.gmail.com
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Ответ на Re: B-Tree support function number 3 (strxfrm() optimization)  (Robert Haas <robertmhaas@gmail.com>)
Ответы Re: B-Tree support function number 3 (strxfrm() optimization)  (Peter Geoghegan <pg@heroku.com>)
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On Mon, Sep 15, 2014 at 11:20 AM, Robert Haas <robertmhaas@gmail.com> wrote:
> ...looks like about a 10-line patch.  We have the data to show that
> the loss is trivial even in the worst case, and we have or should be
> able to get data showing that the best-case win is significant even
> without the abbreviated key stuff.  If you'd care to draft a patch for
> just that, I assume we could get it committed in a day or two, whereas
> I'm quite sure that considerably more work than that remains for the
> main patch.

OK, I'll draft a patch for that today, including similar alterations
to varstr_cmp() for the benefit of Windows and so on.

-- 
Peter Geoghegan



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