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Re: definitions for SELECT, projection, substitution [was: [Fwd: Re: ...]]

From: Kendall Clark <kendall@monkeyfist.com>
Date: Tue, 19 Oct 2004 20:25:25 -0400
To: Dan Connolly <connolly@w3.org>
Cc: Andy Seaborne <andy.seaborne@hp.com>, Steve Harris <S.W.Harris@ecs.soton.ac.uk>, "'RDF Data Access Working Group'" <public-rdf-dawg@w3.org>
Message-ID: <20041020002525.GA25953@monkeyfist.com>

On Tue, Oct 19, 2004 at 04:01:24PM -0500, Dan Connolly wrote:

> I suggest that DISTINCT has no query language semantics;
> it is a protocol keyword that means "don't repeat
> substitutions when you tell them to me, please".

My protocol design is consistent with this; it treats distinct and
limit as protocol-level artifacts. (Which is not to say we shouldn't
have DISTINCT or LIMIT keywords in the query syntax, any less than not
having FROM -- these are useful but should be seen, I think, as hints
to the protocol.) IMO. FWIW. :>

Kendall Clark
And you have never been in love until you've seen 
sunlight thrown over smashed human bone. --Morrissey
Received on Wednesday, 20 October 2004 00:25:35 UTC

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