Method with_precision_and_scale

arrow-array/src/array/primitive_array.rs:1615–1621

Returns a Decimal array with the same data as self, with the specified precision and scale. See [`validate_decimal_precision_and_scale`]

(self, precision: u8, scale: i8)

    ///
    /// See [`validate_decimal_precision_and_scale`]
    pub fn with_precision_and_scale(self, precision: u8, scale: i8) -> Result<Self, ArrowError> {
        validate_decimal_precision_and_scale::<T>(precision, scale)?;
        Ok(Self {
            data_type: T::TYPE_CONSTRUCTOR(precision, scale),
            ..self
        })
    }

    /// Validates values in this array can be properly interpreted
    /// with the specified precision.