Re: compress method for spgist

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От Bruce Momjian
Тема Re: compress method for spgist
Дата
Msg-id 20150320032202.GF6317@momjian.us
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Ответ на compress method for spgist  (Teodor Sigaev <teodor@sigaev.ru>)
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On Wed, Oct 22, 2014 at 05:41:19PM +0400, Teodor Sigaev wrote:
> When we developed SP-GiST we missed analogue of GiST's compress
> method. There was two reasons for that: lack of imagination to
> imagine case with different types of indexed value and column, and
> we didn't want call some method while index fit in one page. Some
> discussion on that
> http://www.postgresql.org/message-id/27542.1323534819@sss.pgh.pa.us
> http://www.postgresql.org/message-id/4EE77EA1.6030503@sigaev.ru
> 
> But we was wrong: PostGIS guys found an example: polygon indexing
> with storing just a bounding box. Actually, I don't know index
> structure for boxes suitable for SP-GiST but I'm not a geometer.
> They are.
> 
> Attached patch provides support of optional compress method for SP-GiST.

Where are we on this?

--  Bruce Momjian  <bruce@momjian.us>        http://momjian.us EnterpriseDB
http://enterprisedb.com
 + Everyone has their own god. +



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