Re: Feedback on SPARQL 1.1 support for aggregates (was Re: W3C Seeks Feedback on Early Draft of SPARQL 1.1) from Richard Newman on 2010-03-26 (public-rdf-dawg-comments@w3.org from March 2010)

From: Richard Newman <rnewman@twinql.com>
Date: Thu, 25 Mar 2010 19:34:14 -0700
To: Axel Polleres <axel.polleres@deri.org>
Cc: SPARQL Working Group Comments <public-rdf-dawg-comments@w3.org>
Message-Id: <C2F1AA05-9118-4D75-88C5-5638AAD97B44@twinql.com>

> Also, it is not clear to me what the ?book variable in the  
> projection shall mean to return (it is not in scope here)

Indeed, quoting the draft:

"It is an error to reuse variable names both inside and outside a  
subquery when the variable is not projected from the subquery."

The query you quoted should raise an error.

> I.e., if you don't mind, could you provide a small dataset and  
> expected result? that would also help us with our testcases :-) )

On a related note: are there any test cases yet for 1.1?

Received on Friday, 26 March 2010 02:34:45 UTC