Re: Windowing Qual Pushdown

Поиск
Список
Период
Сортировка
От Daniel Farina
Тема Re: Windowing Qual Pushdown
Дата
Msg-id 7b97c5a41003230022t2e237030jfbd9fdb1894e3fa1@mail.gmail.com
обсуждение исходный текст
Ответ на Re: Windowing Qual Pushdown  (Hitoshi Harada <umi.tanuki@gmail.com>)
Ответы Re: Windowing Qual Pushdown  (Hitoshi Harada <umi.tanuki@gmail.com>)
Список pgsql-hackers
On Tue, Mar 23, 2010 at 12:19 AM, Hitoshi Harada <umi.tanuki@gmail.com> wrote:
> If you implement that optimization, we need have kind of
> implicit, homologous qual information. Sure, it's possible.

I'm not sure precisely what you mean here.  Do you predict the
mechanism will be complicated?  It's been a burning itch of mine for a
little while now.  I do not know exactly how windowing functions look
in Query values just yet, although I'm very familiar with older
structures there.

fdr


В списке pgsql-hackers по дате отправления:

Предыдущее
От: Hitoshi Harada
Дата:
Сообщение: Re: Windowing Qual Pushdown
Следующее
От: Hitoshi Harada
Дата:
Сообщение: Re: Windowing Qual Pushdown