Re: Statistical aggregate functions are not working with PARTIAL aggregation

Поиск
Список
Период
Сортировка
От Robert Haas
Тема Re: Statistical aggregate functions are not working with PARTIAL aggregation
Дата
Msg-id CA+TgmoZStMwieas8yetOtmdMSL8ULtYx_6OaEMEY2W7CP56Gmw@mail.gmail.com
обсуждение исходный текст
Ответ на Re: Statistical aggregate functions are not working with PARTIALaggregation  (Andres Freund <andres@anarazel.de>)
Ответы Re: Statistical aggregate functions are not working with PARTIAL aggregation  (Andres Freund <andres@anarazel.de>)
Список pgsql-hackers
On Sun, May 19, 2019 at 2:36 PM Andres Freund <andres@anarazel.de> wrote:
> Not sure I understand the distinction you're trying to make with the
> variable renaming. The combine function is also a transition function,
> no?

Not in my mental model.  It's true that a combine function is used in
a similar manner to a transition function, but they are not the same
thing.

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



В списке pgsql-hackers по дате отправления:

Предыдущее
От: Robert Haas
Дата:
Сообщение: Re: [HACKERS] Unlogged tables cleanup
Следующее
От: Tom Lane
Дата:
Сообщение: Re: Multivariate MCV stats can leak data to unprivileged users