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

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От Robert Haas
Тема Re: B-Tree support function number 3 (strxfrm() optimization)
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Msg-id CA+TgmobXyQwCV6367p8mdXpJ8SiAWMz0cVmhxXxDs+6MEY9WJw@mail.gmail.com
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Ответ на Re: B-Tree support function number 3 (strxfrm() optimization)  (Peter Geoghegan <pg@heroku.com>)
Ответы Re: B-Tree support function number 3 (strxfrm() optimization)  (Peter Geoghegan <pg@heroku.com>)
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On Tue, Jan 20, 2015 at 9:33 PM, Peter Geoghegan <pg@heroku.com> wrote:
> On Tue, Jan 20, 2015 at 6:30 PM, Robert Haas <robertmhaas@gmail.com> wrote:
>> I don't want to change the on-disk format for tapes without a lot more
>> discussion.  Can you come up with a fix that avoids that for now?
>
> A more conservative approach would be to perform conversion on-the-fly
> once more. That wouldn't be patently unacceptable from a performance
> perspective, and would also not change the on-disk format for tapes.
>
> Thoughts?

That might be OK.  Probably needs a bit of performance testing to see
how it looks.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company



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