Function test_cast_column_with_options

datafusion/common/src/nested_struct.rs:568–589

()

    #[test]
    fn test_cast_column_with_options() {
        let source = Arc::new(Int64Array::from(vec![1, i64::MAX])) as ArrayRef;
        let target_field = field("ints", DataType::Int32);

        let safe_opts = CastOptions {
            // safe: false - return Err for failure
            safe: false,
            ..DEFAULT_CAST_OPTIONS
        };
        assert!(cast_column(&source, target_field.data_type(), &safe_opts).is_err());

        let unsafe_opts = CastOptions {
            // safe: true - return Null for failure
            safe: true,
            ..DEFAULT_CAST_OPTIONS
        };
        let result =
            cast_column(&source, target_field.data_type(), &unsafe_opts).unwrap();
        let result = result.as_any().downcast_ref::<Int32Array>().unwrap();
        assert_eq!(result.value(0), 1);
        assert!(result.is_null(1));
    }

    #[test]
    fn test_cast_struct_with_missing_field() {