Function empty_result

nodedb/src/engine/graph/algo/result.rs:285–290

()

    #[test]
    fn empty_result() {
        let batch = AlgoResultBatch::new(GraphAlgorithm::PageRank);
        assert!(batch.is_empty());
        let rb = batch.to_record_batch().unwrap();
        assert_eq!(rb.num_rows(), 0);
    }

    #[test]
    fn result_to_json() {