Re: is GiST still alive?

From: Gregor Zeitlinger <zeitling(at)informatik(dot)hu-berlin(dot)de>
To: Josh Berkus <josh(at)agliodbs(dot)com>
Cc: PostgreSQL Hackers Mailing List <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: is GiST still alive?
Date: 2003-10-23 14:53:38
Message-ID: Pine.LNX.4.33.0310231651010.28617-100000@mitte.informatik.hu-berlin.de
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On Thu, 23 Oct 2003, Josh Berkus wrote:
> Um, I/O and Page layout are not theory. They are implementation issues.
yes or no, depending on your point of view.

> Theory would answer things like "What are the mathematical operations I can
> use to define compliance or non-compliance with the DTD for a heirarchy and
> for data elements?"
<snip>

Yes, that's also tought of. Most of it was done by a collegue at
university, who came up with the idea, but didn't do any implementation.

> > only an implementation is a real proof.
>
> Implementation is proof of a theory. But you've got to have the theory first
> or you don't know what you're proving.
agreed.

> Anyway, I don't think you an borrow code from any existing relational
> database,since an XML database would be radically different structurally.
I'm getting this impression, too.

--
Gregor Zeitlinger
gregor(at)zeitlinger(dot)de

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