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Re: SPARQL 1.1 - LeftJoin definition

From: David McNeil <dmcneil@revelytix.com>
Date: Mon, 5 Dec 2011 08:58:04 -0600
Message-ID: <CA+8VvdxJm04Mg4vwtAras1xwBg+osmtRnLsJK8NizxS+83dOnA@mail.gmail.com>
To: Andy Seaborne <andy.seaborne@epimorphics.com>
Cc: public-rdf-dawg-comments@w3.org
On Mon, Dec 5, 2011 at 8:32 AM, Andy Seaborne <andy.seaborne@epimorphics.com
> wrote:

> In addition, shouldn't the "or _2 is empty" condition be dropped from
>>
>> one of these clauses so that we only include the contents of 1 one time
>> if 2 is empty?
>>
>
Andy - What are your thoughts on dropping the "or 2 is empty" from one of
the clauses? Is my reading of this correct, that having this in both
clauses causes duplicate solutions to be produced in the case where  2 is
empty?

Thanks.
-David
Received on Monday, 5 December 2011 14:58:32 GMT

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