Re: "could not find pathkey item to sort" for TPC-DS queries 94-96

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От Robert Haas
Тема Re: "could not find pathkey item to sort" for TPC-DS queries 94-96
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Msg-id CA+TgmoZ5OY_J_eHSv9cf9u0FHEPU2Pck+5RLtLfORn0Z8B=e_Q@mail.gmail.com
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Ответ на Re: "could not find pathkey item to sort" for TPC-DS queries 94-96  (James Coleman <jtc331@gmail.com>)
Ответы Re: "could not find pathkey item to sort" for TPC-DS queries 94-96  (Tomas Vondra <tomas.vondra@enterprisedb.com>)
Список pgsql-hackers
On Wed, Apr 14, 2021 at 8:20 PM James Coleman <jtc331@gmail.com> wrote:
> > Hmm, could be. Although, the stack trace at issue doesn't seem to show
> > a call to create_incrementalsort_plan().
>
> The changes to gather merge path generation made it possible to use
> those paths in more cases for both incremental sort and regular sort,
> so by "incremental sort" I read Tomas as saying "the patches that
> brought in incremental sort" not specifically "incremental sort
> itself".

I agree. That's why I said "hmm, could be" even though the plan
doesn't involve one.

-- 
Robert Haas
EDB: http://www.enterprisedb.com



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