Struct arrow::datatypes::Decimal256Type

pub struct Decimal256Type {}

The decimal type for a Decimal256Array

Trait Implementations

impl ArrowPrimitiveType for Decimal256Type

type Native = i256

Corresponding Rust native type for the primitive type.

const DATA_TYPE: DataType = <Self as DecimalType>::DEFAULT_TYPE

the corresponding Arrow data type of this primitive type.

fn get_byte_width() -> usize

👎Deprecated: Use ArrowNativeType::get_byte_width

Returns the byte width of this primitive type.

fn default_value() -> Self::Native

Returns a default value of this primitive type.

impl Debug for Decimal256Type

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl DecimalType for Decimal256Type

const BYTE_LENGTH: usize = 32usize

Width of the type

const MAX_PRECISION: u8 = 76u8

Maximum number of significant digits

const MAX_SCALE: i8 = 76i8

Maximum no of digits after the decimal point (note the scale can be negative)

const TYPE_CONSTRUCTOR: fn(_: u8, _: i8) -> DataType = {arrow_schema::DataType::Decimal256 as fn(u8, i8) -> arrow_schema::DataType}

fn to create its DataType

const DEFAULT_TYPE: DataType = _

Default values for DataType

const PREFIX: &'static str = "Decimal256"

“Decimal128” or “Decimal256”, for use in error messages

fn format_decimal( value: <Decimal256Type as ArrowPrimitiveType>::Native, precision: u8, scale: i8, ) -> String

Formats the decimal value with the provided precision and scale

fn validate_decimal_precision( num: i256, precision: u8, ) -> Result<(), ArrowError>

Validates that value contains no more than precision decimal digits

fn is_valid_decimal_precision( value: <Decimal256Type as ArrowPrimitiveType>::Native, precision: u8, ) -> bool

Determines whether value contains no more than precision decimal digits