Re: Refactoring log_newpage
От | Simon Riggs |
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Тема | Re: Refactoring log_newpage |
Дата | |
Msg-id | CA+U5nMJXw_iTubW=LQyS6roQOUmhVvv2B6zDGVWZsXDnHKNkfA@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: Refactoring log_newpage (Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>) |
Ответы |
Re: Refactoring log_newpage
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Список | pgsql-hackers |
On Thu, Feb 2, 2012 at 7:26 AM, Heikki Linnakangas <heikki.linnakangas@enterprisedb.com> wrote: > Well, you can obviously check the catalogs for that, but you must be > assuming that you don't have access to the catalogs or this would be a > non-issue. > > You can also identify the kind of page by looking at the special area of the > stored page. See: > http://archives.postgresql.org/pgsql-hackers/2007-04/msg00392.php How does that work with different forks? I think its very ugly to mark all sorts of different pages as if they were heap pages when they clearly aren't. I don't recall anything so ugly being allowed anywhere else in the system. Why is it *needed* here? -- Simon Riggs http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services
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