Re: Very specialised query

Список
Период
Сортировка
От Matthew Wakeling
Тема Re: Very specialised query
Дата
Msg-id alpine.DEB.2.00.0903301125020.21772@aragorn.flymine.org
обсуждение исходный текст
Ответ на Re: Very specialised query  (Dimitri Fontaine)
Список pgsql-performance
On Fri, 27 Mar 2009, Dimitri Fontaine wrote:
> Maybe it's just that I didn't devote enough time to reading your detailed
> explanation above, but this part sounds like it could be done in an aggregate
> you'd use in a correlated subquery containing the right ORDER BY, couldn't
> it?
> http://www.postgresql.org/docs/8.3/interactive/sql-createaggregate.html

Can you return multiple rows from an aggregate function?

Matthew

--

В списке pgsql-performance по дате отправления:

Предыдущее
От: Matthew Wakeling
Дата:
Сообщение: Re: Very specialised query
Следующее
От: Matthew Wakeling
Дата:
Сообщение: Re: Very specialised query