Re: Foreign join pushdown vs EvalPlanQual

Поиск
Список
Период
Сортировка
От Robert Haas
Тема Re: Foreign join pushdown vs EvalPlanQual
Дата
Msg-id CA+TgmobLKb450xWGc5Ykz70aasuxbdURowuO+NAwF8v-UaoHKA@mail.gmail.com
обсуждение исходный текст
Ответ на Re: Foreign join pushdown vs EvalPlanQual  (Kouhei Kaigai <kaigai@ak.jp.nec.com>)
Список pgsql-hackers
On Fri, Sep 11, 2015 at 2:01 AM, Kouhei Kaigai <kaigai@ak.jp.nec.com> wrote:
> If a callback on ForeignRecheck processes EPQ rechecks, the core PostgreSQL
> don't need to know what expression was pushed down and how does it kept in
> the private field (fdw_exprs). Only FDW driver knows which private field is
> the expression node that was pushed down to the remote side. It shall not be
> an interface contract.

I agree.  It seems needless to involve the core code here.

-- 
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: Foreign join pushdown vs EvalPlanQual
Следующее
От: Dean Rasheed
Дата:
Сообщение: Re: RLS open items are vague and unactionable