Re: [HACKERS] [PATCH] Push limit to sort through a subquery

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От Robert Haas
Тема Re: [HACKERS] [PATCH] Push limit to sort through a subquery
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Msg-id CA+TgmoYa3QKKrLj5rX7UvGqhH73G1Li4B-EKxrmASaca2tFu9Q@mail.gmail.com
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Ответ на Re: [HACKERS] [PATCH] Push limit to sort through a subquery  (Douglas Doole <dougdoole@gmail.com>)
Ответы Re: [HACKERS] [PATCH] Push limit to sort through a subquery  (Douglas Doole <dougdoole@gmail.com>)
Re: [HACKERS] [PATCH] Push limit to sort through a subquery  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-hackers
On Wed, Aug 23, 2017 at 6:55 PM, Douglas Doole <dougdoole@gmail.com> wrote:
> From previous experience, pushing the limit to the workers has the potential
> to be a big win .

Here's a not-really-tested draft patch for that.

> I haven't played with parallel mode at all yet. Is it possible to disable
> force_parallel_mode for the new test?

Yeah, I suppose that's another alternative.

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

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