Struct SparseVTable

pub struct SparseVTable;

Trait Implementations

impl ArrayVTable<SparseVTable> for SparseVTable

fn len(array: &SparseArray) -> usize

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

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

impl CanonicalVTable<SparseVTable> for SparseVTable

fn canonicalize(array: &SparseArray) -> VortexResult<Canonical>

Returns the canonical representation of the array.

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

Writes the array into a canonical builder.

impl Debug for SparseVTable

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

Formats the value using the given formatter.

impl EncodeVTable<SparseVTable> for SparseVTable

fn encode( _encoding: &SparseEncoding, input: &Canonical, like: Option<&SparseArray>, ) -> VortexResult<Option<SparseArray>>

Try to encode a canonical array into this encoding.

impl FilterKernel for SparseVTable

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

Filter an array by the provided predicate.

impl InvertKernel for SparseVTable

fn invert(&self, array: &SparseArray) -> VortexResult<ArrayRef>

Logically invert a boolean array. Converts true -> false, false -> true, null -> null.

impl NumericKernel for SparseVTable

fn numeric( &self, array: &SparseArray, rhs: &dyn Array, op: NumericOperator, ) -> VortexResult<Option<ArrayRef>>

impl OperationsVTable<SparseVTable> for SparseVTable

fn slice( array: &SparseArray, start: usize, stop: usize, ) -> VortexResult<ArrayRef>

Perform a constant-time slice of the array.

fn scalar_at(array: &SparseArray, index: usize) -> VortexResult<Scalar>

Fetch the scalar at the given index.

impl SerdeVTable<SparseVTable> for SparseVTable

type Metadata = ProstMetadata<SparseMetadata>

fn metadata(array: &SparseArray) -> VortexResult<Option<Self::Metadata>>

Exports the metadata for the array.

fn build( _encoding: &SparseEncoding, dtype: &DType, len: usize, metadata: &<Self::Metadata as DeserializeMetadata>::Output, buffers: &[ByteBuffer], children: &dyn ArrayChildren, ) -> VortexResult<SparseArray>

Build an array from its given parts.

impl TakeKernel for SparseVTable

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

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

impl VTable for SparseVTable

type Array = SparseArray

type Encoding = SparseEncoding

type ArrayVTable = SparseVTable

type CanonicalVTable = SparseVTable

type OperationsVTable = SparseVTable

type ValidityVTable = SparseVTable

type VisitorVTable = SparseVTable

type ComputeVTable = NotSupported

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

type EncodeVTable = SparseVTable

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

type SerdeVTable = SparseVTable

Optionally enable serde for this encoding by implementing the SerdeVTable trait. Can be disabled by assigning to the NotSupported type.

fn id(_encoding: &Self::Encoding) -> EncodingId

Returns the ID of the encoding.

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

Returns the encoding for the array.

impl ValidityVTable<SparseVTable> for SparseVTable

fn is_valid(array: &SparseArray, index: usize) -> VortexResult<bool>

fn all_valid(array: &SparseArray) -> VortexResult<bool>

fn all_invalid(array: &SparseArray) -> VortexResult<bool>

fn validity_mask(array: &SparseArray) -> VortexResult<Mask>

fn valid_count(array: &<V as VTable>::Array) -> Result<usize, VortexError>

Returns the number of valid elements in the array.

fn invalid_count(array: &<V as VTable>::Array) -> Result<usize, VortexError>

Returns the number of invalid elements in the array.

impl VisitorVTable<SparseVTable> for SparseVTable

fn visit_buffers(array: &SparseArray, visitor: &mut dyn ArrayBufferVisitor)

Visit the buffers of the array.

fn visit_children(array: &SparseArray, 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.