Re: compress method for spgist - 2
От | Teodor Sigaev |
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Тема | Re: compress method for spgist - 2 |
Дата | |
Msg-id | 55B0B149.1010903@sigaev.ru обсуждение исходный текст |
Ответ на | Re: compress method for spgist - 2 (Heikki Linnakangas <hlinnaka@iki.fi>) |
Ответы |
Re: compress method for spgist - 2
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Список | pgsql-hackers |
>> Poorly, by hanging boxes that straddled dividing lines off the parent >> node in a big linear list. The hope would be that the case was > Ok, I see, but that's not really what I was wondering. My question is this: > SP-GiST partitions the space into non-overlapping sections. How can you store > polygons - which can overlap - in an SP-GiST index? And how does the compress > method help with that? I believe if we found a way to index boxes then we will need a compress method to build index over polygons. BTW, we are working on investigation a index structure for box where 2d-box is treated as 4d-point. -- Teodor Sigaev E-mail: teodor@sigaev.ru WWW: http://www.sigaev.ru/
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