Function null_value_indexed

nodedb-vector/src/collection/payload_index.rs:666–672

()

    #[test]
    fn null_value_indexed() {
        let mut idx = PayloadIndex::new("f", PayloadIndexKind::Equality);
        idx.insert(0, &Value::Null);
        idx.insert(1, &Value::Null);
        let bm = idx.equality(&Value::Null).unwrap();
        assert_eq!(bm.len(), 2);
    }

    #[test]
    fn snapshot_roundtrip() {