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Today's Topics:
1. Where can I add my join algorithm in MonetDB? (Xiaojun Chang)
2. Re: Where can I add my join algorithm in MonetDB? (Fabian Groffen)
3. Re: Where can I add my join algorithm in MonetDB? (Niels Nes)
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Message: 1
Date: Sun, 4 Nov 2012 23:01:09 +0000
From: Xiaojun Chang <x.ch...@uq.edu.au>
To: "developers-l...@monetdb.org" <developers-l...@monetdb.org>
Subject: Where can I add my join algorithm in MonetDB?
Message-ID:
<7c84b89b30a45e40b47b5ed906db6b07e00...@uqexmdb6.soe.uq.edu.au>
Content-Type: text/plain; charset="us-ascii"
Hi,
I am one Ph.D student and right now I am working on IMDB.
Could anyone tell me where I can add my join algorithm in MonetDB? I cannot
find such document.
Thanks.
Xiaojun Chang
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Message: 2
Date: Mon, 5 Nov 2012 08:39:05 +0100
From: Fabian Groffen <fabian.grof...@cwi.nl>
To: "Communication channel for developers of the MonetDB suite."
<developers-l...@monetdb.org>
Subject: Re: Where can I add my join algorithm in MonetDB?
Message-ID: <20121105073905.gg49...@cwi.nl>
Content-Type: text/plain; charset="utf-8"
On 04-11-2012 23:01:09 +0000, Xiaojun Chang wrote:
> I am one Ph.D student and right now I am working on IMDB.
>
> Could anyone tell me where I can add my join algorithm in MonetDB? I cannot
> find such document.
I'm unsure you can "just add" another join algorithm. For what it's
worth, the gdk directory contains all (if not, most) of the operations
applied to BATs. However, perhaps you better tell us first what is your
problem, or what you intend to do. We don't advise anyone playing with
the kernel as deep as that.
Fabian
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Message: 3
Date: Mon, 5 Nov 2012 08:44:10 +0100
From: Niels Nes <niels....@cwi.nl>
To: "Communication channel for developers of the MonetDB suite."
<developers-l...@monetdb.org>
Subject: Re: Where can I add my join algorithm in MonetDB?
Message-ID: <20121105074410.gb17...@niels.cwi.nl>
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On Mon, Nov 05, 2012 at 08:39:05AM +0100, Fabian Groffen wrote:
> On 04-11-2012 23:01:09 +0000, Xiaojun Chang wrote:
> > I am one Ph.D student and right now I am working on IMDB.
> >
> > Could anyone tell me where I can add my join algorithm in MonetDB? I cannot
> > find such document.
>
> I'm unsure you can "just add" another join algorithm. For what it's
> worth, the gdk directory contains all (if not, most) of the operations
> applied to BATs. However, perhaps you better tell us first what is your
> problem, or what you intend to do. We don't advise anyone playing with
> the kernel as deep as that.
>
> Fabian
Currently you can add filter functions (using create filter), which will
be used in the join and select plans.
See as an example the lsst example in the source code of sql.
(sql/backends/monet5/LSST/)
Niels
> _______________________________________________
> developers-list mailing list
> developers-l...@monetdb.org
> http://mail.monetdb.org/mailman/listinfo/developers-list
--
Niels Nes, Centrum Wiskunde & Informatica (CWI)
Science Park 123, 1098 XG Amsterdam, The Netherlands
room L3.14, phone ++31 20 592-4098 sip:4...@sip.cwi.nl
url: http://www.cwi.nl/~niels e-mail: niels....@cwi.nl
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