- From: Steve Harris <steve.harris@garlik.com>
- Date: Tue, 20 Oct 2009 19:21:16 +0100
- To: Gregory Williams <greg@evilfunhouse.com>
- Cc: "public-rdf-dawg@w3.org Group" <public-rdf-dawg@w3.org>
On 20 Oct 2009, at 19:15, Gregory Williams wrote: > On Oct 20, 2009, at 1:54 PM, Steve Harris wrote: > >> GROUP_CONCAT() is an aggregate function that takes an aggregated >> variable, and returns a string - I guess a plain literal in RDF >> terms. > ... >> As Andy said on the call, if you want the output to be machine >> readable (e.g. to treat it as an array on the client side) you may >> need to escape the values passed to GROUP_CONCAT. > > I assume this means you could use an expression instead of just "an > aggregated variable"? Yes, for example I've done things equivalent to GROUP_CONCAT(CONCAT(?lat, ",", ?long), " ") before - Steve
Received on Tuesday, 20 October 2009 18:21:46 UTC