Re: GSoC idea - Simulated annealing to search for query plans

Поиск
Список
Период
Сортировка
От Tom Lane
Тема Re: GSoC idea - Simulated annealing to search for query plans
Дата
Msg-id 27204.1426698203@sss.pgh.pa.us
обсуждение исходный текст
Ответ на Re: GSoC idea - Simulated annealing to search for query plans  (Grzegorz Parka <grzegorz.parka@gmail.com>)
Список pgsql-hackers
Grzegorz Parka <grzegorz.parka@gmail.com> writes:
> I'm thinking of testing and improving SAIO as an extension before reaching
> a satisfactory quality of code and returned plans.

> Would then the destination be the /contrib and then main source tree or
> would it ever stay as an extension?

I'd like to push it into the main tree, replacing GEQO, if as we suspect
it turns out to dominate GEQO on speed/plan quality.  There's no reason
not to test it in the manner you describe though.
        regards, tom lane



В списке pgsql-hackers по дате отправления:

Предыдущее
От: Justin Pryzby
Дата:
Сообщение: Re: pg9.4 relpages of child tables
Следующее
От: Tom Lane
Дата:
Сообщение: Re: Rethinking the parameter access hooks for plpgsql's benefit