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Repetitive DELETE, real UPDATE

From: Kjetil Kjernsmo <Kjetil.Kjernsmo@computas.com>
Date: Wed, 27 May 2009 17:57:20 +0200
To: public-rdf-dawg@w3.org
Message-Id: <200905271757.20268.Kjetil.Kjernsmo@computas.com>

I was thinking a bit about what was said in the teleconf about repetitive 
DELETEs. Also, I asked my colleagues what would be the main thing that they 
disliked about SPARUL. They said that it was that you would need to delete 
triples just to update them. Apparently, we've had two bugs allready due to a 
lost DELETE... 

Andy and Steve mentioned some kind of DELETE * form on the teleconf, which 
would simplify such an update query too

INSERT { <foo> dc:title "Foo" . }
WHERE { <foo> dc:title ?o . }

But then, DELETE feels kinda redundant in this query, but you can't just skip 
it, it would mean a different thing, so how about actually having UPDATE:

UPDATE { <foo> dc:title "Foo" . }
WHERE { <foo> dc:title ?o . }

which would be equivalent to the current 

DELETE { <foo> dc:title ?o . }
INSERT { <foo> dc:title "Foo" . }
WHERE { <foo> dc:title ?o . }

Well, there is still some repetition in there, is it possible to simplify 

Kind regards 

Kjetil Kjernsmo
Senior Knowledge Engineer / SPARQL F&R Editor
Mobile: +47 986 48 234
Email: kjetil.kjernsmo@computas.com   
Web: http://www.computas.com/


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Received on Wednesday, 27 May 2009 15:58:25 UTC

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