plans for bitmap indexes?

From: Yann Michel <yann-postgresql(at)spline(dot)de>
To: pgsql-hackers(at)postgresql(dot)org
Subject: plans for bitmap indexes?
Date: 2004-10-07 19:55:00
Message-ID: 20041007195500.GA3200@zoom.spline.inf.fu-berlin.de
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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.

Thanks in advance!

Regards,
Yann

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