At http://www.w3.org/Submission/SPARQL-Update/#sec_examples , example (b) says:
DELETE DATA FROM <http://example/bookStore> { <http://example/book3> dc:title "Fundamentals of Compiler Desing" } It should work too. Does it? On Mon, Jul 11, 2011 at 11:34 AM, Rob Vesse <[email protected]> wrote: > Hi Camel > > Yes the DELETE is formulated incorrectly, you have specified things to be > deleted but not said explicitly where to delete them from. So though it is > matching your triples in a specific graph it tries to delete them from the > default graph which is not where they are located so they aren't actually > deleted. > > Try the following instead: > > WITH <http://test> > DELETE > { > ?s ?p ?v > } > WHERE > { > ?s ?p ?v . > <http://a/resource/> ?p ?v . > } > > The WITH should set the graph to be used both for the DELETE and the WHERE > clause. If that doesn't work (or you need to match from one graph but delete > in another) you can state the GRAPH explicitly in both clauses: > > DELETE > { > GRAPH <http://text> { > ?s ?p ?v > } > } > WHERE > { > GRAPH <http://test> { > ?s ?p ?v . > http://a/resource/> ?p ?v . > } > } > > Hope that helps, > > Rob Vesse > > >> -----Original Message----- >> From: Camel Christophe [mailto:[email protected]] >> Sent: 11 July 2011 10:21 >> To: [email protected] >> Subject: How delete works on Fuseki >> >> Hello everybody ! >> >> I want to make the removal of a resource in the Fuseki triple store. >> >> For example, the resource has been inserted like this (into a named >> graph) : >> >> INSERT DATA INTO <http://test> { >> <http://a/resource/> <http://a/property> "a first value" . >> <http://a/resource/> <http://a/property> "a second value" . >> } >> >> I can easily see its triples like this : >> >> select * where { >> graph <http://test> { >> ?s ?p ?v . >> <http://a/resource/> ?p ?v . >> } >> } >> >> Ok, now I want to delete those triples from the store (i.e. I want to >> delete the resource). I do the following: >> >> DELETE >> { ?s ?p ?v } >> WHERE >> { >> graph <http://test> { >> ?s ?p ?v . >> <http://a/resource/> ?p ?v . >> } >> } >> >> >> Fuseki answers "Update succeeded". Good, but the triples haven't been >> deleted. The previous select request still returns the following >> content : >> >> <http://a/resource/> <http://a/property> "a first value" >> <http://a/resource/> <http://a/property> "a second value" >> >> >> What's going wrong ? I suspect a bad formulation of the delete query, >> yet it seems to me correct. >> >> Thanks ! > >
