Struct narrow::logical::LogicalArray

pub struct LogicalArray<T: LogicalArrayType, const NULLABLE: bool, Buffer: BufferType, OffsetItem: OffsetElement, UnionLayout: UnionType>(/* private fields */)
where
    <T as LogicalArrayType>::Array<Buffer, OffsetItem, UnionLayout>: Validity<NULLABLE>;

An array for LogicalArrayType items, that are stored in Arrow arrays, but convertable from and to theirself via this array wrapper.

Trait Implementations

impl<T, const NULLABLE: bool, Buffer: BufferType, OffsetItem: OffsetElement, UnionLayout: UnionType> Array for LogicalArray<T, NULLABLE, Buffer, OffsetItem, UnionLayout>

where <T as LogicalArrayType>::Array<Buffer, OffsetItem, UnionLayout>: Validity<NULLABLE>, T: Nullability<NULLABLE> + LogicalArrayType,

type Item = <T as Nullability<NULLABLE>>::Item

The items stored in this array.

impl<T, const NULLABLE: bool, Buffer: BufferType, OffsetItem: OffsetElement, UnionLayout: UnionType> ArrowArray for LogicalArray<T, NULLABLE, Buffer, OffsetItem, UnionLayout>

where <T as LogicalArrayType>::Array<Buffer, OffsetItem, UnionLayout>: Validity<NULLABLE> + ArrowArray, T: Nullability<NULLABLE> + LogicalArrayType,

Available on crate feature arrow-rs only.

type Array = <<T as LogicalArrayType>::Array<Buffer, OffsetItem, UnionLayout> as ArrowArray>::Array

The corresponding arrow array

fn as_field(name: &str) -> Field

Returns the field of this array.

impl<T: LogicalArrayType, const NULLABLE: bool, Buffer: BufferType, OffsetItem: OffsetElement, UnionLayout: UnionType> Default for LogicalArray<T, NULLABLE, Buffer, OffsetItem, UnionLayout>

where <T as LogicalArrayType>::Array<Buffer, OffsetItem, UnionLayout>: Validity<NULLABLE>, <<T as LogicalArrayType>::Array<Buffer, OffsetItem, UnionLayout> as Validity<NULLABLE>>::Storage<Buffer>: Default,

fn default() -> Self

Returns the “default value” for a type.

impl<T: LogicalArrayType, const NULLABLE: bool, Buffer: BufferType, OffsetItem: OffsetElement, UnionLayout: UnionType> Extend<T> for LogicalArray<T, NULLABLE, Buffer, OffsetItem, UnionLayout>

where <T as LogicalArrayType>::Array<Buffer, OffsetItem, UnionLayout>: Validity<NULLABLE>, <<T as LogicalArrayType>::Array<Buffer, OffsetItem, UnionLayout> as Validity<NULLABLE>>::Storage<Buffer>: Extend<<<T as LogicalArrayType>::Array<Buffer, OffsetItem, UnionLayout> as Array>::Item>,

fn extend<I: IntoIterator<Item = T>>(&mut self, iter: I)

Extends a collection with the contents of an iterator.

fn extend_one(&mut self, item: A)

🔬This is a nightly-only experimental API. (extend_one)

Extends a collection with exactly one element.

fn extend_reserve(&mut self, additional: usize)

🔬This is a nightly-only experimental API. (extend_one)

Reserves capacity in a collection for the given number of additional elements.

impl<T: LogicalArrayType, const NULLABLE: bool, Buffer: BufferType, OffsetItem: OffsetElement, UnionLayout: UnionType> From<Arc<dyn Array>> for LogicalArray<T, NULLABLE, Buffer, OffsetItem, UnionLayout>

where <T as LogicalArrayType>::Array<Buffer, OffsetItem, UnionLayout>: Validity<NULLABLE>, <<T as LogicalArrayType>::Array<Buffer, OffsetItem, UnionLayout> as Validity<NULLABLE>>::Storage<Buffer>: From<Arc<dyn Array>>,

Available on crate feature arrow-rs only.

fn from(value: Arc<dyn Array>) -> Self

Converts to this type from the input type.

impl<T: LogicalArrayType, const NULLABLE: bool, Buffer: BufferType, OffsetItem: OffsetElement, UnionLayout: UnionType> From<LogicalArray<T, NULLABLE, Buffer, OffsetItem, UnionLayout>> for FixedSizeListArray

where <T as LogicalArrayType>::Array<Buffer, OffsetItem, UnionLayout>: Validity<NULLABLE>, FixedSizeListArray: From<<<T as LogicalArrayType>::Array<Buffer, OffsetItem, UnionLayout> as Validity<NULLABLE>>::Storage<Buffer>>,

Available on crate feature arrow-rs only.

fn from( value: LogicalArray<T, NULLABLE, Buffer, OffsetItem, UnionLayout> ) -> Self

Converts to this type from the input type.

impl<Buffer: BufferType, OffsetItem: OffsetElement, UnionLayout: UnionType> From<LogicalArray<Uuid, false, Buffer, OffsetItem, UnionLayout>> for FixedSizeListArray<16, FixedSizePrimitiveArray<u8, false, Buffer>, false, Buffer>

Available on crate feature uuid only.

fn from( value: LogicalArray<Uuid, false, Buffer, OffsetItem, UnionLayout> ) -> Self

Converts to this type from the input type.

impl<T: LogicalArrayType, const NULLABLE: bool, Buffer: BufferType, OffsetItem: OffsetElement, UnionLayout: UnionType> FromIterator<T> for LogicalArray<T, NULLABLE, Buffer, OffsetItem, UnionLayout>

where <T as LogicalArrayType>::Array<Buffer, OffsetItem, UnionLayout>: Validity<NULLABLE>, <<T as LogicalArrayType>::Array<Buffer, OffsetItem, UnionLayout> as Validity<NULLABLE>>::Storage<Buffer>: FromIterator<<<T as LogicalArrayType>::Array<Buffer, OffsetItem, UnionLayout> as Array>::Item>,

fn from_iter<I: IntoIterator<Item = T>>(iter: I) -> Self

Creates a value from an iterator.

impl<T: LogicalArrayType, const NULLABLE: bool, Buffer: BufferType, OffsetItem: OffsetElement, UnionLayout: UnionType> Length for LogicalArray<T, NULLABLE, Buffer, OffsetItem, UnionLayout>

where <T as LogicalArrayType>::Array<Buffer, OffsetItem, UnionLayout>: Validity<NULLABLE>, <<T as LogicalArrayType>::Array<Buffer, OffsetItem, UnionLayout> as Validity<NULLABLE>>::Storage<Buffer>: Length,

fn len(&self) -> usize

Returns the number of elements in the collection, also referred to as its length.

fn is_empty(&self) -> bool

Returns true if there are no elements in the collection.