arrow_array::types

Struct Decimal128Type

Source
pub struct Decimal128Type {}
Expand description

The decimal type for a Decimal128Array

Trait Implementations§

Source§

impl ArrowPrimitiveType for Decimal128Type

Source§

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

the corresponding Arrow data type of this primitive type.
Source§

type Native = i128

Corresponding Rust native type for the primitive type.
Source§

fn get_byte_width() -> usize

👎Deprecated since 52.0.0: Use ArrowNativeType::get_byte_width
Returns the byte width of this primitive type.
Source§

fn default_value() -> Self::Native

Returns a default value of this primitive type. Read more
Source§

impl Debug for Decimal128Type

Source§

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

Formats the value using the given formatter. Read more
Source§

impl DecimalType for Decimal128Type

Source§

const BYTE_LENGTH: usize = 16usize

Width of the type
Source§

const MAX_PRECISION: u8 = 38u8

Maximum number of significant digits
Source§

const MAX_SCALE: i8 = 38i8

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

const TYPE_CONSTRUCTOR: fn(_: u8, _: i8) -> DataType = {arrow_schema::DataType::Decimal128 as fn(u8, i8) -> arrow_schema::DataType}

fn to create its [DataType]
Source§

const DEFAULT_TYPE: DataType = _

Default values for [DataType]
Source§

const PREFIX: &'static str = "Decimal128"

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

fn format_decimal(value: Self::Native, precision: u8, scale: i8) -> String

Formats the decimal value with the provided precision and scale
Source§

fn validate_decimal_precision( num: i128, precision: u8, ) -> Result<(), ArrowError>

Validates that value contains no more than precision decimal digits
Source§

fn is_valid_decimal_precision(value: Self::Native, precision: u8) -> bool

Determines whether value contains no more than precision decimal digits
Source§

impl DecimalTypeSealed for Decimal128Type

Source§

impl PrimitiveTypeSealed for Decimal128Type

Auto Trait Implementations§

Blanket Implementations§

Source§

impl<T> Any for T
where T: 'static + ?Sized,

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

impl<T> Borrow<T> for T
where T: ?Sized,

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

Source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

impl<T, U> Into<U> for T
where U: From<T>,

Source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Source§

impl<T, U> TryFrom<U> for T
where U: Into<T>,

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
Source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

Source§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
Source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
§

impl<T> Allocation for T
where T: RefUnwindSafe + Send + Sync,

Source§

impl<T> ArrowNumericType for T