Re: unnecessary code in_bt_split
От | Zdenek Kotala |
---|---|
Тема | Re: unnecessary code in_bt_split |
Дата | |
Msg-id | 489879CD.2000306@sun.com обсуждение исходный текст |
Ответ на | Re: unnecessary code in_bt_split (Tom Lane <tgl@sss.pgh.pa.us>) |
Список | pgsql-hackers |
Tom Lane napsal(a): > Zdenek Kotala <Zdenek.Kotala@Sun.COM> writes: > I'm thinking we should split PageGetTempPage into two versions: > > PageGetTempPage: get a temp page the same size as the given page, > but don't initialize its contents at all (so, just a thin wrapper > for palloc). This could be used by _bt_split, as well as > GinPageGetCopyPage and GistPageGetCopyPage. > > PageGetTempPageCopySpecial: get a temp page, PageInit it, and > copy the special space from the given page. The only customer > for this is gistplacetopage(), so maybe we don't even want it, > rather than just doing the work right in gistplacetopage()? > > You could also make an argument for PageGetTempPageCopy() which'd just > copy the source page verbatim, thus replacing GinPageGetCopyPage and > GistPageGetCopyPage. Sounds good I will look on it. Zdenek -- Zdenek Kotala Sun Microsystems Prague, Czech Republic http://sun.com/postgresql
В списке pgsql-hackers по дате отправления: