Struct Decimal64Type
pub struct Decimal64Type {}
Expand description
The decimal type for a Decimal64Array
Trait Implementations§
§impl ArrowPrimitiveType for Decimal64Type
impl ArrowPrimitiveType for Decimal64Type
§const DATA_TYPE: DataType = <Self as DecimalType>::DEFAULT_TYPE
const DATA_TYPE: DataType = <Self as DecimalType>::DEFAULT_TYPE
the corresponding Arrow data type of this primitive type.
§fn get_byte_width() -> usize
fn get_byte_width() -> usize
👎Deprecated since 52.0.0: Use ArrowNativeType::get_byte_width
Returns the byte width of this primitive type.
§fn default_value() -> Self::Native
fn default_value() -> Self::Native
Returns a default value of this primitive type. Read more
§impl Debug for Decimal64Type
impl Debug for Decimal64Type
§impl DecimalType for Decimal64Type
impl DecimalType for Decimal64Type
§const BYTE_LENGTH: usize = 8usize
const BYTE_LENGTH: usize = 8usize
Width of the type
§const MAX_PRECISION: u8 = 18u8
const MAX_PRECISION: u8 = 18u8
Maximum number of significant digits
§const MAX_SCALE: i8 = 18i8
const MAX_SCALE: i8 = 18i8
Maximum no of digits after the decimal point (note the scale can be negative)
§const TYPE_CONSTRUCTOR: fn(u8, i8) -> DataType = {arrow_schema::DataType::Decimal64 as fn(u8, i8) -> arrow_schema::DataType}
const TYPE_CONSTRUCTOR: fn(u8, i8) -> DataType = {arrow_schema::DataType::Decimal64 as fn(u8, i8) -> arrow_schema::DataType}
fn to create its
DataType
§const DEFAULT_TYPE: DataType
const DEFAULT_TYPE: DataType
Default values for
DataType
§const PREFIX: &'static str = "Decimal64"
const PREFIX: &'static str = "Decimal64"
“Decimal32”, “Decimal64”, “Decimal128” or “Decimal256”, for use in error messages
§fn format_decimal(
value: <Decimal64Type as ArrowPrimitiveType>::Native,
precision: u8,
scale: i8,
) -> String
fn format_decimal( value: <Decimal64Type as ArrowPrimitiveType>::Native, precision: u8, scale: i8, ) -> String
Formats the decimal value with the provided precision and scale
§fn validate_decimal_precision(num: i64, precision: u8) -> Result<(), ArrowError>
fn validate_decimal_precision(num: i64, precision: u8) -> Result<(), ArrowError>
Validates that
value
contains no more than precision
decimal digits§fn is_valid_decimal_precision(
value: <Decimal64Type as ArrowPrimitiveType>::Native,
precision: u8,
) -> bool
fn is_valid_decimal_precision( value: <Decimal64Type as ArrowPrimitiveType>::Native, precision: u8, ) -> bool
Determines whether
value
contains no more than precision
decimal digitsAuto Trait Implementations§
impl Freeze for Decimal64Type
impl RefUnwindSafe for Decimal64Type
impl Send for Decimal64Type
impl Sync for Decimal64Type
impl Unpin for Decimal64Type
impl UnwindSafe for Decimal64Type
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more