Re: contrib/rtree_gist into core system?
| От | Teodor Sigaev |
|---|---|
| Тема | Re: contrib/rtree_gist into core system? |
| Дата | |
| Msg-id | 42C0FABE.8010307@sigaev.ru обсуждение исходный текст |
| Ответ на | Re: contrib/rtree_gist into core system? (Greg Stark <gsstark@mit.edu>) |
| Ответы |
Re: contrib/rtree_gist into core system?
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| Список | pgsql-hackers |
> I think we still have a serious problem with multicolumn indexes. As they > stand they're basically only indexes on the first column. The later columns > are not used to determine page splits. 1. In your meaning, btree has bad split algorithm too. Look at _bt_compare, if first keys on page are unique the the later keys will not be compared ;) 2. About rtree interface: it's possible to write GiST-RTree layer compatibility interface. User's interface will just copied from RTree, and layer will translate it to GiST interface. -- Teodor Sigaev E-mail: teodor@sigaev.ru WWW: http://www.sigaev.ru/
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