Function approx_percentile_basic

nodedb-query/src/msgpack_scan/aggregate.rs:637–649

()

    #[test]
    fn approx_percentile_basic() {
        let docs: Vec<Vec<u8>> = (1..=100).map(|i| encode(&json!({"val": i}))).collect();
        let refs: Vec<&[u8]> = docs.iter().map(|d| d.as_slice()).collect();
        let result = compute_aggregate_binary("approx_percentile", "0.5:val", None, &refs);
        if let Value::Float(f) = result {
            assert!(
                (f - 50.0).abs() < 10.0,
                "p50 of 1..100 should be ~50, got {f}"
            );
        } else {
            panic!("expected Float, got {result:?}");
        }
    }

    #[test]
    fn approx_topk_basic() {