Function validate_decimal_precision

datafusion/functions/src/math/round.rs:83–94

(
    value: T::Native,
    precision: u8,
    scale: i8,
)

}

fn validate_decimal_precision<T: DecimalType>(
    value: T::Native,
    precision: u8,
    scale: i8,
) -> Result<T::Native, ArrowError> {
    T::validate_decimal_precision(value, precision, scale).map_err(|e| {
        ArrowError::ComputeError(format!(
            "Decimal overflow: rounded value exceeds precision {precision}: {e}"
        ))
    })?;
    Ok(value)
}

fn calculate_new_precision_scale<T: DecimalType>(
    precision: u8,