Re: pgsql-server/src/backend/commands explain.c

Поиск
Список
Период
Сортировка
От Tom Lane
Тема Re: pgsql-server/src/backend/commands explain.c
Дата
Msg-id 18529.1044926196@sss.pgh.pa.us
обсуждение исходный текст
Ответ на Re: pgsql-server/src/backend/commands explain.c  ("Christopher Kings-Lynne" <chriskl@familyhealth.com.au>)
Ответы Re: pgsql-server/src/backend/commands explain.c  ("Christopher Kings-Lynne" <chriskl@familyhealth.com.au>)
Список pgsql-committers
Дерево обсуждения 
"Christopher Kings-Lynne" <chriskl@familyhealth.com.au> writes:
> Out of interest Tom, did you optimise the IN (huge list of scalars) case, or
> is it just the IN (subselect) case?

Just IN (subselect).  AFAIK, IN (list of scalars) works reasonably well
already... at least for cases where the lefthand side is an indexed
column.  What problems are you concerned about?

            regards, tom lane

В списке pgsql-committers по дате отправления:

Предыдущее
От: "Christopher Kings-Lynne"
Дата:
Сообщение: Re: pgsql-server/src/backend/commands explain.c
Следующее
От: "Christopher Kings-Lynne"
Дата:
Сообщение: Re: pgsql-server/src/backend/commands explain.c