Description
gremlin> g.V().group().by('age').by('name') ==>[32:[josh],35:[peter],27:[vadas],29:[marko]] gremlin> g.withSideEffect('m', [:]).V().group('m').by('age').by('name') ==>v[1] ==>v[2] The provided traverser does not map to a value: v[3][TinkerVertex]->value(age)[ValueTraversal] parent[org.apache.tinkerpop.gremlin.process.traversal.util.EmptyTraversal@eb859eeb] Type ':help' or ':h' for help. Display stack trace? [yN]n