Struct arrow::array::PrimitiveArray

pub struct PrimitiveArray<T: ArrowPrimitiveType> { /* fields omitted */ }

Array whose elements are of primitive types.

Methods

impl<T: ArrowNumericType> PrimitiveArray<T>

Implementation for primitive arrays with numeric types. Boolean arrays are bit-packed and so implemented separately.

pub fn new(     length: usize,     values: Buffer,     null_count: usize,     offset: usize ) -> Self

pub fn values(&self) -> Buffer

Returns a Buffer holds all the values of this array.

Note this doesn't take account into the offset of this array.

pub fn len(&self) -> usize

Returns the length of this array

pub fn raw_values(&self) -> *const T::Native

Returns a raw pointer to the values of this array.

pub fn value(&self, i: usize) -> T::Native

Returns the primitive value at index i.

Note this doesn't do any bound checking, for performance reason.

pub fn value_slice(&self, offset: usize, len: usize) -> &[T::Native]

Returns a slice for the given offset and length

Note this doesn't do any bound checking, for performance reason.

pub fn builder(capacity: usize) -> PrimitiveArrayBuilder<T>

impl PrimitiveArray<BooleanType>

Specific implementation for Boolean arrays due to bit-packing

pub fn new(     length: usize,     values: Buffer,     null_count: usize,     offset: usize ) -> Self

pub fn values(&self) -> Buffer

Returns a Buffer holds all the values of this array.

Note this doesn't take account into the offset of this array.

pub fn value(&self, i: usize) -> bool

Returns the boolean value at index i.

pub fn builder(capacity: usize) -> BooleanBuilder

Trait Implementations

impl<T: ArrowPrimitiveType> Array for PrimitiveArray<T>

fn as_any(&self) -> &dyn Any

Returns the array as Any so that it can be downcast to a specific implementation

fn data(&self) -> ArrayDataRef

Returns a reference-counted pointer to the data of this array

fn data_ref(&self) -> &ArrayDataRef

Returns a borrowed & reference-counted pointer to the data of this array

fn data_type(&self) -> &DataType

Returns a reference to the data type of this array

fn len(&self) -> usize

Returns the length (i.e., number of elements) of this array

fn offset(&self) -> usize

Returns the offset of this array

fn is_null(&self, i: usize) -> bool

Returns whether the element at index i is null

fn is_valid(&self, i: usize) -> bool

Returns whether the element at index i is not null

fn null_count(&self) -> usize

Returns the total number of nulls in this array

impl From<Vec<i8>> for PrimitiveArray<Int8Type>

fn from(data: Vec<i8>) -> Self

Performs the conversion.

impl From<Vec<Option<i8>>> for PrimitiveArray<Int8Type>

fn from(data: Vec<Option<i8>>) -> Self

Performs the conversion.

impl From<Vec<i16>> for PrimitiveArray<Int16Type>

fn from(data: Vec<i16>) -> Self

Performs the conversion.

impl From<Vec<Option<i16>>> for PrimitiveArray<Int16Type>

fn from(data: Vec<Option<i16>>) -> Self

Performs the conversion.

impl From<Vec<i32>> for PrimitiveArray<Int32Type>

fn from(data: Vec<i32>) -> Self

Performs the conversion.

impl From<Vec<Option<i32>>> for PrimitiveArray<Int32Type>

fn from(data: Vec<Option<i32>>) -> Self

Performs the conversion.

impl From<Vec<i64>> for PrimitiveArray<Int64Type>

fn from(data: Vec<i64>) -> Self

Performs the conversion.

impl From<Vec<Option<i64>>> for PrimitiveArray<Int64Type>

fn from(data: Vec<Option<i64>>) -> Self

Performs the conversion.

impl From<Vec<u8>> for PrimitiveArray<UInt8Type>

fn from(data: Vec<u8>) -> Self

Performs the conversion.

impl From<Vec<Option<u8>>> for PrimitiveArray<UInt8Type>

fn from(data: Vec<Option<u8>>) -> Self

Performs the conversion.

impl From<Vec<u16>> for PrimitiveArray<UInt16Type>

fn from(data: Vec<u16>) -> Self

Performs the conversion.

impl From<Vec<Option<u16>>> for PrimitiveArray<UInt16Type>

fn from(data: Vec<Option<u16>>) -> Self

Performs the conversion.

impl From<Vec<u32>> for PrimitiveArray<UInt32Type>

fn from(data: Vec<u32>) -> Self

Performs the conversion.

impl From<Vec<Option<u32>>> for PrimitiveArray<UInt32Type>

fn from(data: Vec<Option<u32>>) -> Self

Performs the conversion.

impl From<Vec<u64>> for PrimitiveArray<UInt64Type>

fn from(data: Vec<u64>) -> Self

Performs the conversion.

impl From<Vec<Option<u64>>> for PrimitiveArray<UInt64Type>

fn from(data: Vec<Option<u64>>) -> Self

Performs the conversion.

impl From<Vec<f32>> for PrimitiveArray<Float32Type>

fn from(data: Vec<f32>) -> Self

Performs the conversion.

impl From<Vec<Option<f32>>> for PrimitiveArray<Float32Type>

fn from(data: Vec<Option<f32>>) -> Self

Performs the conversion.

impl From<Vec<f64>> for PrimitiveArray<Float64Type>

fn from(data: Vec<f64>) -> Self

Performs the conversion.

impl From<Vec<Option<f64>>> for PrimitiveArray<Float64Type>

fn from(data: Vec<Option<f64>>) -> Self

Performs the conversion.

impl<T: ArrowPrimitiveType> From<Arc<ArrayData>> for PrimitiveArray<T>

Constructs a PrimitiveArray from an array data reference.

fn from(data: ArrayDataRef) -> Self

Performs the conversion.