Struct ZigZagVTable 

pub struct ZigZagVTable;

Trait Implementations

impl BaseArrayVTable<ZigZagVTable> for ZigZagVTable

fn len(array: &ZigZagArray) -> usize

fn dtype(array: &ZigZagArray) -> &DType

fn stats(array: &ZigZagArray) -> StatsSetRef<'_>

fn array_hash<H: Hasher>( array: &ZigZagArray, state: &mut H, precision: Precision, )

fn array_eq( array: &ZigZagArray, other: &ZigZagArray, precision: Precision, ) -> bool

impl CanonicalVTable<ZigZagVTable> for ZigZagVTable

fn canonicalize(array: &ZigZagArray) -> Canonical

Returns the canonical representation of the array.

fn append_to_builder( array: &<V as VTable>::Array, builder: &mut dyn ArrayBuilder, )

Writes the array into a canonical builder.

impl CastKernel for ZigZagVTable

fn cast( &self, array: &ZigZagArray, dtype: &DType, ) -> VortexResult<Option<ArrayRef>>

impl Debug for ZigZagVTable

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

Formats the value using the given formatter.

impl EncodeVTable<ZigZagVTable> for ZigZagVTable

fn encode( encoding: &ZigZagVTable, canonical: &Canonical, _like: Option<&ZigZagArray>, ) -> VortexResult<Option<ZigZagArray>>

Try to encode a canonical array into this encoding.

impl FilterKernel for ZigZagVTable

fn filter(&self, array: &ZigZagArray, mask: &Mask) -> VortexResult<ArrayRef>

Filter an array by the provided predicate.

impl MaskKernel for ZigZagVTable

fn mask( &self, array: &ZigZagArray, filter_mask: &Mask, ) -> VortexResult<ArrayRef>

Replace masked values with null in array.

impl OperationsVTable<ZigZagVTable> for ZigZagVTable

fn slice(array: &ZigZagArray, range: Range<usize>) -> ArrayRef

Perform a constant-time slice of the array.

fn scalar_at(array: &ZigZagArray, index: usize) -> Scalar

Fetch the scalar at the given index.

impl TakeKernel for ZigZagVTable

fn take( &self, array: &ZigZagArray, indices: &dyn Array, ) -> VortexResult<ArrayRef>

Create a new array by taking the values from the array at the given indices.

impl VTable for ZigZagVTable

type Array = ZigZagArray

type Metadata = EmptyMetadata

type ArrayVTable = ZigZagVTable

type CanonicalVTable = ZigZagVTable

type OperationsVTable = ZigZagVTable

type ValidityVTable = ValidityVTableFromChild

type VisitorVTable = ZigZagVTable

type ComputeVTable = NotSupported

Optionally enable implementing dynamic compute dispatch for this encoding. Can be disabled by assigning to the NotSupported type.

type EncodeVTable = ZigZagVTable

Optionally enable the EncodeVTable for this encoding. This allows it to partake in compression. Can be disabled by assigning to the NotSupported type.

fn id(&self) -> ArrayId

Returns the ID of the encoding.

fn encoding(_array: &Self::Array) -> ArrayVTable

Returns the encoding for the array.

fn metadata(_array: &ZigZagArray) -> VortexResult<Self::Metadata>

Exports metadata for an array.

fn serialize(_metadata: Self::Metadata) -> VortexResult<Option<Vec<u8>>>

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

fn deserialize(_buffer: &[u8]) -> VortexResult<Self::Metadata>

Deserialize metadata from a byte buffer.

fn build( &self, dtype: &DType, len: usize, _metadata: &Self::Metadata, _buffers: &[BufferHandle], children: &dyn ArrayChildren, ) -> VortexResult<ZigZagArray>

Build an array from components.

fn with_children( array: &mut Self::Array, children: Vec<ArrayRef>, ) -> VortexResult<()>

Replaces the children in array with children. The count must be the same and types of children must be expected.

fn execute( array: &Self::Array, ctx: &mut ExecutionCtx, ) -> Result<Vector, VortexError>

Execute this array to produce a Vector.

fn execute_parent( array: &Self::Array, parent: &Arc<dyn Array>, child_idx: usize, ctx: &mut ExecutionCtx, ) -> Result<Option<Vector>, VortexError>

Attempt to execute the parent of this array to produce a Vector.

fn reduce(array: &Self::Array) -> Result<Option<Arc<dyn Array>>, VortexError>

Attempt to reduce the array to a more simple representation.

fn reduce_parent( array: &Self::Array, parent: &Arc<dyn Array>, child_idx: usize, ) -> Result<Option<Arc<dyn Array>>, VortexError>

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

impl ValidityChild<ZigZagVTable> for ZigZagVTable

fn validity_child(array: &ZigZagArray) -> &ArrayRef

impl VisitorVTable<ZigZagVTable> for ZigZagVTable

fn visit_buffers(_array: &ZigZagArray, _visitor: &mut dyn ArrayBufferVisitor)

Visit the buffers of the array.

fn visit_children(array: &ZigZagArray, visitor: &mut dyn ArrayChildVisitor)

Visit the children of the array.

fn nbuffers(array: &<V as VTable>::Array) -> usize

Count the number of buffers in the array.

fn nchildren(array: &<V as VTable>::Array) -> usize

Count the number of children in the array.