Property evaluates property paths with unknown graphs

lib/src/sparql/dataset.rs

@@ -142,7 +142,7 @@ impl DatasetView {
                 self.store_encoded_quads_for_pattern(subject, predicate, object, None)
                     .filter(|quad| match quad {
                         Err(_) => true,
-                        Ok(quad) => quad.graph_name != EncodedTerm::DefaultGraph,
+                        Ok(quad) => !quad.graph_name.is_default_graph(),
                     }),
             )
         }

testsuite/tests/sparql.rs

@@ -73,8 +73,6 @@ fn sparql11_query_w3c_evaluation_testsuite() -> Result<()> {
         vec![
             //BNODE() scope is currently wrong
             "http://www.w3.org/2009/sparql/docs/tests/data-sparql11/functions/manifest#bnode01",
-            //Property path with unbound graph name are not supported yet
-            "http://www.w3.org/2009/sparql/docs/tests/data-sparql11/property-path/manifest#pp35",
             //SERVICE name from a BGP
             "http://www.w3.org/2009/sparql/docs/tests/data-sparql11/service/manifest#service5",
         ],