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Re: draft responce JG-1 (comments on functions and LET)

From: Andy Seaborne <andy.seaborne@epimorphics.com>
Date: Wed, 17 Nov 2010 16:02:20 +0000
Message-ID: <4CE3FC8C.5000903@epimorphics.com>
To: Axel Polleres <axel.polleres@deri.org>
CC: Steve Harris <steve.harris@garlik.com>, SPARQL Working Group <public-rdf-dawg@w3.org>


On 17/11/10 15:57, Axel Polleres wrote:
> noted (we might want to discuss shortcuts for BIND along these lines but wouldn't this kind of bring us back to
> whether or not have the same comma-separation in SELECT project expressions or for GROUP BY then?
>
> apart from that, shall I send the response AS IS for now, or shall I hold back until BIND is settled in the Editor's draft?

Send now, using a form that is not up for debate.

	Andy

>
> Axel
>
> On 17 Nov 2010, at 15:12, Andy Seaborne wrote:
>
>> Observation, not proposal:
>>
>> BIND (expr1 AS ?x, expr2 AS ?y) would work
>>
>> BIND (expr1 AS ?x) is more like the use in SELECT to me - each named
>> expression value is enclosed in ().
>>
>> Or change SELECT as well.
>>
>> I don't see this as important.
>>
>>          Andy
>>
>> On 17/11/10 14:54, Axel Polleres wrote:
>>> alright, changed response draft respectively...
>>> check http://www.w3.org/2009/sparql/wiki/CommentResponse:JG-1
>>>
>>> Axel
>>>
>>>
>>> On 17 Nov 2010, at 14:49, Andy Seaborne wrote:
>>>
>>>>
>>>>
>>>> On 17/11/10 11:35, Steve Harris wrote:
>>>>> On 2010-11-17, at 11:28, Axel Polleres wrote:
>>>>>
>>>>>>
>>>>>> On 17 Nov 2010, at 11:15, Steve Harris wrote:
>>>>>>
>>>>>>> Seems fine, but is it BIND() BIND() or BIND() ()?
>>>>>>
>>>>>> not sure as I couldn't find it in the grammar yet, Andy?
>>>>>> (I have no strong feelings on either)
>>>>>
>>>>> BIND() BIND() might leave more syntax options open in the future, but no strong preference.
>>>>
>>>> BIND is exactly:
>>>>
>>>> BIND(expr AS ?var)
>>>>
>>>> A trailing optional expression will have lookahead problems with RDF
>>>> list which also starts "("
>>>>
>>>>           Andy
>>>>
>>>>>
>>>>> - Steve
>>>>>
>>>>>>> It's probably right, just checking the response is correct.
>>>>>>>
>>>>>>> - Steve
>>>>>>>
>>>>>>> On 2010-11-17, at 10:42, Axel Polleres wrote:
>>>>>>>
>>>>>>>> I put up a draft response for
>>>>>>>>
>>>>>>>> http://lists.w3.org/Archives/Public/public-rdf-dawg-comments/2010Nov/0005.html
>>>>>>>>
>>>>>>>> at
>>>>>>>>
>>>>>>>> http://www.w3.org/2009/sparql/wiki/CommentResponse:JG-1
>>>>>>>>
>>>>>>>> Let me know whether you're ok with that or whether you think whether we should wait until BIND is specified further in the draft.
>>>>>>>>
>>>>>>>> Axel
>>>>>>>
>>>>>>> --
>>>>>>> Steve Harris, CTO, Garlik Limited
>>>>>>> 1-3 Halford Road, Richmond, TW10 6AW, UK
>>>>>>> +44 20 8439 8203  http://www.garlik.com/
>>>>>>> Registered in England and Wales 535 7233 VAT # 849 0517 11
>>>>>>> Registered office: Thames House, Portsmouth Road, Esher, Surrey, KT10 9AD
>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>>
>>
>
>
Received on Wednesday, 17 November 2010 16:02:57 GMT

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