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Re: another update test added (was: RE: Questions on grammar restrictions on Blank Node reuse across...)

From: Andy Seaborne <andy.seaborne@epimorphics.com>
Date: Mon, 28 May 2012 10:47:58 +0100
Message-ID: <4FC349CE.1030103@epimorphics.com>
To: "Polleres, Axel" <axel.polleres@siemens.com>
CC: "public-rdf-dawg@w3.org" <public-rdf-dawg@w3.org>, Gregory Williams <greg@evilfunhouse.com>


On 28/05/12 10:16, Polleres, Axel wrote:
> Dear all,
>
> I am a bit unsure/worried in the sense of what happens if I think this further...
>
> Take this simple modification:
>
> update2 =  INSERT { GRAPH<g2>    { ?S ?P ?O } }
>              WHERE { GRAPH<g1>    {?S ?P ?O } } ;
>             INSERT { GRAPH<g1>    { ?S ?P ?O } }
>              WHERE { GRAPH<g2>    {?S ?P ?O } }
>
> Note now the second update copies back data from g2 to g1 instead of repeating the first update...
> Would this second operation still be idempotent or not?
>

What do the definitions say?

	Andy

> Best,
> Axel
>
>
>
Received on Monday, 28 May 2012 09:48:31 GMT

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