Re: Free space management within heap page

Поиск
Список
Период
Сортировка
От Tom Lane
Тема Re: Free space management within heap page
Дата
Msg-id 18259.1169563079@sss.pgh.pa.us
обсуждение исходный текст
Ответ на Re: Free space management within heap page  ("Pavan Deolasee" <pavan.deolasee@gmail.com>)
Ответы Re: Free space management within heap page  ("Pavan Deolasee" <pavan.deolasee@gmail.com>)
Список pgsql-hackers
"Pavan Deolasee" <pavan.deolasee@gmail.com> writes:
> I know it might break the ctid chain, but does that really matter ?

Yes.  You can't just decide that the tuple isn't needed anymore.
As per other followup, you could possibly shrink a known-dead tuple to
just the header.

The notion of keeping linked lists etc seems like gross overdesign to me.
Why not just compact out the free space?
        regards, tom lane


В списке pgsql-hackers по дате отправления:

Предыдущее
От: Andrew Dunstan
Дата:
Сообщение: Re: msvc failure in largeobject regression test
Следующее
От: Magnus Hagander
Дата:
Сообщение: Re: msvc failure in largeobject regression test