Struct Extension 

pub struct Extension;

Trait Implementations

impl CastReduce for Extension

fn cast( array: ArrayView<'_, Extension>, dtype: &DType, ) -> Result<Option<ArrayRef>, VortexError>

impl Clone for Extension

fn clone(&self) -> Extension

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl CompareKernel for Extension

fn compare( lhs: ArrayView<'_, Extension>, rhs: &ArrayRef, operator: CompareOperator, _ctx: &mut ExecutionCtx, ) -> Result<Option<ArrayRef>, VortexError>

impl Debug for Extension

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

Formats the value using the given formatter.

impl FilterReduce for Extension

fn filter( array: ArrayView<'_, Extension>, mask: &Mask, ) -> Result<Option<ArrayRef>, VortexError>

Filter an array with the provided mask without reading buffers.

impl MaskReduce for Extension

fn mask( array: ArrayView<'_, Extension>, mask: &ArrayRef, ) -> Result<Option<ArrayRef>, VortexError>

impl OperationsVTable<Extension> for Extension

fn scalar_at( array: ArrayView<'_, Extension>, index: usize, ctx: &mut ExecutionCtx, ) -> Result<Scalar, VortexError>

Fetch the scalar at the given index.

impl SliceReduce for Extension

fn slice( array: ArrayView<'_, Extension>, range: Range<usize>, ) -> Result<Option<ArrayRef>, VortexError>

Slice an array with the provided range without reading buffers.

impl TakeExecute for Extension

fn take( array: ArrayView<'_, Extension>, indices: &ArrayRef, _ctx: &mut ExecutionCtx, ) -> Result<Option<ArrayRef>, VortexError>

Take elements from an array at the given indices, potentially reading buffers.

impl VTable for Extension

type ArrayData = ExtensionData

type OperationsVTable = Extension

type ValidityVTable = ValidityVTableFromChild

fn id(&self) -> Id

Returns the ID of the array.

fn nbuffers(_array: ArrayView<'_, Extension>) -> usize

Returns the number of buffers in the array.

fn buffer(_array: ArrayView<'_, Extension>, idx: usize) -> BufferHandle

Returns the buffer at the given index.

fn buffer_name(_array: ArrayView<'_, Extension>, _idx: usize) -> Option<String>

Returns the name of the buffer at the given index, or None if unnamed.

fn slot_name(_array: ArrayView<'_, Extension>, idx: usize) -> String

Returns the name of the slot at the given index.

fn serialize( _array: ArrayView<'_, Extension>, _session: &VortexSession, ) -> Result<Option<Vec<u8>>, VortexError>

Serialize metadata into a byte buffer for IPC or file storage. Return None if the array cannot be serialized.

fn validate( &self, data: &ExtensionData, dtype: &DType, len: usize, slots: &[Option<ArrayRef>], ) -> Result<(), VortexError>

Validates that externally supplied logical metadata matches the array data.

fn deserialize( &self, dtype: &DType, len: usize, metadata: &[u8], _buffers: &[BufferHandle], children: &dyn ArrayChildren, _session: &VortexSession, ) -> Result<ArrayParts<Extension>, VortexError>

Deserialize an array from serialized components.

fn execute( array: Array<Extension>, _ctx: &mut ExecutionCtx, ) -> Result<ExecutionResult, VortexError>

Execute this array by returning an ExecutionResult.

fn reduce_parent( array: ArrayView<'_, Extension>, parent: &ArrayRef, child_idx: usize, ) -> Result<Option<ArrayRef>, VortexError>

Attempt to perform a reduction of the parent of this array.

fn execute_parent( array: ArrayView<'_, Extension>, parent: &ArrayRef, child_idx: usize, ctx: &mut ExecutionCtx, ) -> Result<Option<ArrayRef>, VortexError>

Attempt to execute the parent of this array.

fn nchildren(array: ArrayView<'_, Self>) -> usize

Returns the number of children in the array.

fn child(array: ArrayView<'_, Self>, idx: usize) -> ArrayRef

Returns the child at the given index.

fn child_name(array: ArrayView<'_, Self>, idx: usize) -> String

Returns the name of the child at the given index.

fn append_to_builder( array: ArrayView<'_, Self>, builder: &mut dyn ArrayBuilder, ctx: &mut ExecutionCtx, ) -> Result<(), VortexError>

Writes the array into a canonical builder.

fn reduce(array: ArrayView<'_, Self>) -> Result<Option<ArrayRef>, VortexError>

Attempt to reduce the array to a simpler representation.

impl ValidityChild<Extension> for Extension

fn validity_child(array: ArrayView<'_, Extension>) -> ArrayRef