Andy,

Just to say this is a low priority issue for us. The query works fine for
what we need with the second binding in the sub query. It was more of a
heads up and trying to understand what was wrong with doing it the other
way.

Cheers
Rob


On Fri, Feb 1, 2013 at 3:38 PM, Andy Seaborne <[email protected]> wrote:

> On 01/02/13 15:07, Rob Walpole wrote:
>
>> Hi Andy,
>>
>> On Fri, Feb 1, 2013 at 12:16 PM, Andy Seaborne <[email protected]> wrote:
>>
>>  Rob - I notice you use rdfs:member which is a calculated property in ARQ.
>>>
>>> There is a bug in ARQ (JENA-340) which means this isn't handled as a
>>> calculated property inside a FILTER.
>>>
>>
>>
>>  You have:
>>>
>>> FILTER EXISTS { ?export rdfs:member ?ancestor } .
>>>
>>>
>> On it's own this doesn't seem to cause us any problems... perhaps because
>> we are specifically inserting these triples into TDB rather than relying
>> on
>> them being calculated?
>>
>
> good - it checks for both cases - explicit and implicit
>
> Nasty things RDF alt/bag/seq from the POV of a database.
>
>         Andy
>
>
>> Thanks
>> Rob
>>
>>
>


-- 

Rob Walpole
Email [email protected]
Tel. +44 (0)7969 869881
Skype: RobertWalpolehttp://www.linkedin.com/in/robwalpole

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