| From: | Peter Eisentraut <peter_e(at)gmx(dot)net> |
|---|---|
| To: | pgsql-hackers(at)postgresql(dot)org |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Greg Stark <gsstark(at)mit(dot)edu>, Andres Freund <andres(at)anarazel(dot)de> |
| Subject: | Re: machine-readable explain output |
| Date: | 2009-06-17 14:38:34 |
| Message-ID: | 200906171738.34568.peter_e@gmx.net |
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| Lists: | pgsql-hackers |
On Tuesday 16 June 2009 22:51:37 Robert Haas wrote:
> I agree. I'm just not seeing the need for an *explicit*
> categorization contained within the data itself. For one thing, AIUI,
> that's the job of things like an XML Schema, which Andres Freund has
> already agreed to write, and I would expect that would be of some
> value to tool-writers, else why are we creating it?
A schema will just tell which documents are valid, not what they mean. That
is the job of XML ontologies, which are about as pie-in-the-sky as the
semantic web that they are supposed to end up building.
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