Struct polars_arrow::array::growable::GrowableBinaryViewArray

pub struct GrowableBinaryViewArray<'a, T: ViewType + ?Sized> { /* private fields */ }

Concrete Growable for the [BinaryArray].

Implementations

impl<'a, T: ViewType + ?Sized> GrowableBinaryViewArray<'a, T>

pub fn new( arrays: Vec<&'a BinaryViewArrayGeneric<T>>, use_validity: bool, capacity: usize ) -> Self

Creates a new GrowableBinaryViewArray bound to arrays with a pre-allocated capacity.

Panics

If arrays is empty.

pub unsafe fn extend_unchecked( &mut self, index: usize, start: usize, len: usize )

Safety

doesn’t check bounds

pub unsafe fn extend_unchecked_no_buffers( &mut self, index: usize, start: usize, len: usize )

Ignores the buffers and doesn’t update the view. This is only correct in a filter.

Safety

doesn’t check bounds

Trait Implementations

impl<'a, T: ViewType + ?Sized> From<GrowableBinaryViewArray<'a, T>> for BinaryViewArrayGeneric<T>

fn from(val: GrowableBinaryViewArray<'a, T>) -> Self

Converts to this type from the input type.

impl<'a, T: ViewType + ?Sized> Growable<'a> for GrowableBinaryViewArray<'a, T>

unsafe fn extend(&mut self, index: usize, start: usize, len: usize)

Extends this Growable with elements from the bounded Array at index index from a slice starting at start and length len.

fn extend_validity(&mut self, additional: usize)

Extends this Growable with null elements, disregarding the bound arrays

fn len(&self) -> usize

The current length of the Growable.

fn as_arc(&mut self) -> Arc<dyn Array>

Converts this Growable to an Arc<dyn Array>, thereby finishing the mutation. Self will be empty after such operation.

fn as_box(&mut self) -> Box<dyn Array>

Converts this Growable to an Box<dyn Array>, thereby finishing the mutation. Self will be empty after such operation