Github user afs commented on a diff in the pull request:
https://github.com/apache/jena/pull/114#discussion_r184644548
--- Diff:
jena-arq/src/main/java/org/apache/jena/sparql/serializer/QuerySerializer.java
---
@@ -142,7 +144,19 @@ public void visitAskResultForm(Query query)
out.print("ASK") ;
out.newline() ;
}
-
+
+ @Override
+ public void visitJsonResultForm(Query query) {
+ out.print("JSON {");
+ List<String> terms = new ArrayList<>();
+ for (Map.Entry<String, Object> entry :
query.getJsonMapping().entrySet()) {
--- End diff --
For now, Expressions can be done with `BIND` at the end of the `WHERE`
pattern.
(`sum` is a group-aggregator -- whole different ball game!)
---
