Re: GIN improvements part2: fast scan

Поиск
Список
Период
Сортировка
От Thom Brown
Тема Re: GIN improvements part2: fast scan
Дата
Msg-id CAA-aLv7vfRX1WJoh-AyotOBV4WMNY8P3z1ZWvGeMk0255OYR_A@mail.gmail.com
обсуждение исходный текст
Ответ на Re: GIN improvements part2: fast scan  (Heikki Linnakangas <hlinnakangas@vmware.com>)
Ответы Re: GIN improvements part2: fast scan  (Heikki Linnakangas <hlinnakangas@vmware.com>)
Список pgsql-hackers
On 12 March 2014 16:29, Heikki Linnakangas <hlinnakangas@vmware.com> wrote:
> Good point. We have done two major changes to GIN in this release cycle:
> changed the data page format and made it possible to skip items without
> fetching all the keys ("fast scan"). gincostestimate doesn't know about
> either change.

Did this cost estimation issue get fixed?  If not, and if this is due
for 9.5, can this be removed from the 9.4 open items list?

Thom



В списке pgsql-hackers по дате отправления:

Предыдущее
От: Peter Geoghegan
Дата:
Сообщение: Re: B-Tree support function number 3 (strxfrm() optimization)
Следующее
От: Simon Riggs
Дата:
Сообщение: Re: INSERT ... ON CONFLICT {UPDATE | IGNORE}