Re: plans for bitmap indexes?

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От Bruce Momjian
Тема Re: plans for bitmap indexes?
Дата
Msg-id 200410072254.i97MsF304599@candle.pha.pa.us
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Ответ на plans for bitmap indexes?  (Yann Michel <yann-postgresql@spline.de>)
Ответы Re: plans for bitmap indexes?  (Yann Michel <yann-postgresql@spline.de>)
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Yann Michel wrote:
> Hi,
> 
> I'd like to know if there are any plans on introducing bitmap indexes
> into postgresql. I think this could mean a big performance improvement
> especially for datawarehousing applications. I know that there is an
> index type hash but I don't know how both types are comparable due to
> they are both best usable for equality expressions.

Lots of people have talked about it but I don't know anyone coding it.
--  Bruce Momjian                        |  http://candle.pha.pa.us pgman@candle.pha.pa.us               |  (610)
359-1001+  If your life is a hard drive,     |  13 Roberts Road +  Christ can be your backup.        |  Newtown Square,
Pennsylvania19073
 


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