Function sum_skips_nulls

nodedb-array/src/query/aggregate.rs:258–262

()

    #[test]
    fn sum_skips_nulls() {
        let t = tile(&[(0, Some(1.0)), (1, None), (2, Some(3.0))]);
        let r = aggregate_attr(&t, 0, Reducer::Sum);
        assert_eq!(r.finalize(), Some(4.0));
    }

    #[test]
    fn count_includes_nonnull_only() {