Function extract_float64_column_with_nulls

nodedb-strict/src/arrow_extract.rs:433–466

()

    #[test]
    fn extract_float64_column_with_nulls() {
        let schema = test_schema();
        let decoder = TupleDecoder::new(&schema);
        let rows = vec![
            vec![
                Value::Integer(1),
                Value::String("a".into()),
                Value::Float(0.75),
                Value::Bool(true),
            ],
            vec![
                Value::Integer(2),
                Value::String("b".into()),
                Value::Null,
                Value::Bool(false),
            ],
            vec![
                Value::Integer(3),
                Value::String("c".into()),
                Value::Float(1.25),
                Value::Null,
            ],
        ];
        let encoded = encode_rows(&schema, &rows);
        let refs: Vec<&[u8]> = encoded.iter().map(|v| v.as_slice()).collect();

        let arr = extract_column_to_arrow(&schema, &decoder, &refs, 2).unwrap();
        let float_arr = arr.as_primitive::<Float64Type>();
        assert_eq!(float_arr.len(), 3);
        assert_eq!(float_arr.value(0), 0.75);
        assert!(float_arr.is_null(1));
        assert_eq!(float_arr.value(2), 1.25);
        assert_eq!(float_arr.null_count(), 1);
    }

    #[test]
    fn extract_string_column() {