- From: Steve Harris <steve.harris@garlik.com>
- Date: Tue, 20 Oct 2009 19:11:51 +0100
- To: "public-rdf-dawg@w3.org Group" <public-rdf-dawg@w3.org>
On 20 Oct 2009, at 18:54, Steve Harris wrote:
> data:
>
> <> :a "foo", "bar", "baz" .
>
> query:
>
> SELECT GROUP_CONCAT(?y, "|") AS ?cat
> WHERE {
> ?x :a ?y .
> } ORDER BY ?y GROUP BY ?x
>
> results:
>
> ?cat = "bar|baz|foo"
This might not be correct, maybe ORDER BY ?x, ?y GROUP BY ?x or GROUP
BY ?x ORDER BY ?y or some other combination.
I don't think we have a formal definition that covers this yet, and I
forget what SQL does offhand.
- Steve
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Steve Harris
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Received on Tuesday, 20 October 2009 18:12:22 UTC