Struct RunEndVTable

pub struct RunEndVTable;

Trait Implementations

impl ArrayVTable<RunEndVTable> for RunEndVTable

fn len(array: &RunEndArray) -> usize

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

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

impl CanonicalVTable<RunEndVTable> for RunEndVTable

fn canonicalize(array: &RunEndArray) -> 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 CompareKernel for RunEndVTable

fn compare( &self, lhs: &RunEndArray, rhs: &dyn Array, operator: Operator, ) -> VortexResult<Option<ArrayRef>>

impl Debug for RunEndVTable

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

Formats the value using the given formatter.

impl EncodeVTable<RunEndVTable> for RunEndVTable

fn encode( _encoding: &RunEndEncoding, canonical: &Canonical, _like: Option<&RunEndArray>, ) -> VortexResult<Option<RunEndArray>>

Try to encode a canonical array into this encoding.

impl FillNullKernel for RunEndVTable

fn fill_null( &self, array: &RunEndArray, fill_value: &Scalar, ) -> VortexResult<ArrayRef>

impl FilterKernel for RunEndVTable

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

Filter an array by the provided predicate.

impl InvertKernel for RunEndVTable

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

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

impl IsConstantKernel for RunEndVTable

fn is_constant( &self, array: &Self::Array, opts: &IsConstantOpts, ) -> VortexResult<Option<bool>>

Preconditions

impl IsSortedKernel for RunEndVTable

fn is_sorted(&self, array: &RunEndArray) -> VortexResult<bool>

Preconditions

fn is_strict_sorted(&self, array: &RunEndArray) -> VortexResult<bool>

impl MinMaxKernel for RunEndVTable

fn min_max(&self, array: &RunEndArray) -> VortexResult<Option<MinMaxResult>>

impl NumericKernel for RunEndVTable

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

impl OperationsVTable<RunEndVTable> for RunEndVTable

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

Perform a constant-time slice of the array.

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

Fetch the scalar at the given index.

impl SerdeVTable<RunEndVTable> for RunEndVTable

type Metadata = ProstMetadata<RunEndMetadata>

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

Exports the metadata for the array.

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

Build an array from its given parts.

impl TakeFromKernel for RunEndVTable

fn take_from( &self, indices: &RunEndArray, source: &dyn Array, ) -> VortexResult<Option<ArrayRef>>

Takes values from the source array using run-end encoded indices.

Arguments

• indices - Run-end encoded indices
• source - Array to take values from

Returns

• Ok(Some(source)) - If successful
• Ok(None) - If the source array has an unsupported dtype

impl TakeKernel for RunEndVTable

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

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

impl VTable for RunEndVTable

type Array = RunEndArray

type Encoding = RunEndEncoding

type ArrayVTable = RunEndVTable

type CanonicalVTable = RunEndVTable

type OperationsVTable = RunEndVTable

type ValidityVTable = RunEndVTable

type VisitorVTable = RunEndVTable

type ComputeVTable = NotSupported

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

type EncodeVTable = RunEndVTable

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 = RunEndVTable

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<RunEndVTable> for RunEndVTable

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

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

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

fn validity_mask(array: &RunEndArray) -> 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<RunEndVTable> for RunEndVTable

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

Visit the buffers of the array.

fn visit_children(array: &RunEndArray, 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.