.

graph/src/index.rs

@@ -20,7 +20,7 @@ pub async fn index_ontology(
     let description_filter = language.to_filter_expression("description");
 
     let mut request = OntologyQueryRequest::default();
-    request.sparql_query = format!(r#"PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
+    request.sparql_query = Some(format!(r#"PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
 PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
 PREFIX skos: <http://www.w3.org/2004/02/skos/core#>
 
@@ -34,7 +34,7 @@ SELECT ?class ?subject ?label ?description WHERE {{
     OPTIONAL {{ ?subject skos:definition ?definition }}
     BIND(COALESCE(?definition, ?comment) AS ?description)
     {description_filter}
-}}"#);
+}}"#));
 
     let response = client.query(request).await.unwrap();
     let parser_output = QueryResultsParser::from_format(QueryResultsFormat::Json)