Re: Bitmap index

Lists: pgsql-hackers
From: "Pawe Niewiadomski" <new(at)foo-baz(dot)com>
To: pgsql-hackers(at)postgresql(dot)org
Subject: Bitmap index
Date: 2004-11-22 07:57:17
Message-ID: 20041122075717.2155.qmail@sarp.org.pl
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Hello,
I saw discussion about bitmap indexes few weeks ago. I wonder if
any of you is working on it (in secret)? I will be chosing subject
of my master thesis and thougth about implementing bitmap indexes.

--
**Paweł Niewiadomski**, new()foo-baz.com, http://new.foo-baz.com/
Podręcznik Administratora Systemu Linux: http://sag.foo-baz.com/
Podręcznik Programisty Systemu Linux: http://lpg.foo-baz.com/
Virtual Qmail (http://v-q.foo-baz.com), qmail-patches (http://q-p.foo-baz.com)


From: Neil Conway <neilc(at)samurai(dot)com>
To: PaweX Niewiadomski <new(at)foo-baz(dot)com>
Cc: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Bitmap index
Date: 2004-11-24 08:26:41
Message-ID: 1101284801.12045.52.camel@localhost.localdomain
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On Mon, 2004-11-22 at 07:57 +0000, PaweX Niewiadomski wrote:
> I saw discussion about bitmap indexes few weeks ago. I wonder if
> any of you is working on it (in secret)?

For what it's worth, I don't know of anyone working on them.

> I will be chosing subject
> of my master thesis and thougth about implementing bitmap indexes.

No objection here :)

-Neil


From: Patrick B Kelly <pbk(at)patrickbkelly(dot)org>
To: "Pawe³ Niewiadomski" <new(at)foo-baz(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Bitmap index
Date: 2004-11-27 20:04:12
Message-ID: 81B98645-40AF-11D9-A2DB-000A958A3956@patrickbkelly.org
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On Nov 22, 2004, at 2:57 AM, Pawe³ Niewiadomski wrote:

> Hello,
> I saw discussion about bitmap indexes few weeks ago. I wonder if
> any of you is working on it (in secret)? I will be chosing subject
> of my master thesis and thougth about implementing bitmap indexes.
>
> --
> **Paweł Niewiadomski**, new()foo-baz.com, http://new.foo-baz.com/
> Podręcznik Administratora Systemu Linux: http://sag.foo-baz.com/
> Podręcznik Programisty Systemu Linux: http://lpg.foo-baz.com/
> Virtual Qmail (http://v-q.foo-baz.com), qmail-patches
> (http://q-p.foo-baz.com)
>
>
> ---------------------------(end of
> broadcast)---------------------------
> TIP 7: don't forget to increase your free space map settings
>
>

I have been looking into this myself but have not had the time to
attack it. If you are going to pick this up and run with it, please let
me know how I can help. This would be a great feature to have for data
warehousing.

Patrick B. Kelly
------------------------------------------------------
http://patrickbkelly.org