Struct ListArray

pub struct ListArray { /* private fields */ }

Implementations

impl ListArray

pub fn try_new( elements: ArrayRef, offsets: ArrayRef, validity: Validity, ) -> VortexResult<Self>

pub fn validity(&self) -> &Validity

pub fn offset_at(&self, index: usize) -> usize

pub fn elements_at(&self, index: usize) -> VortexResult<ArrayRef>

pub fn offsets(&self) -> &ArrayRef

pub fn elements(&self) -> &ArrayRef

Trait Implementations

impl ArrayCanonicalImpl for ListArray

fn _to_canonical(&self) -> VortexResult<Canonical>

Returns the canonical representation of the array.

fn _append_to_builder(&self, builder: &mut dyn ArrayBuilder) -> VortexResult<()>

Writes the array into the canonical builder.

impl ArrayImpl for ListArray

type Encoding = ListEncoding

fn _len(&self) -> usize

fn _dtype(&self) -> &DType

fn _vtable(&self) -> VTableRef

impl ArrayStatisticsImpl for ListArray

fn _stats_ref(&self) -> StatsSetRef<'_>

impl ArrayValidityImpl for ListArray

fn _is_valid(&self, index: usize) -> VortexResult<bool>

Returns whether the index item is valid.

fn _all_valid(&self) -> VortexResult<bool>

Returns whether the array is all valid.

fn _all_invalid(&self) -> VortexResult<bool>

Returns whether the array is all invalid.

fn _validity_mask(&self) -> VortexResult<Mask>

Returns the canonical validity mask for the array.

fn _valid_count(&self) -> VortexResult<usize>

Returns the number of valid elements in the array.

fn _invalid_count(&self) -> VortexResult<usize>

Returns the number of invalid elements in the array.

impl ArrayVariantsImpl for ListArray

fn _as_list_typed(&self) -> Option<&dyn ListArrayTrait>

Downcasts the array for list-specific behavior.

fn _as_null_typed(&self) -> Option<&dyn NullArrayTrait>

Downcasts the array for null-specific behavior.

fn _as_bool_typed(&self) -> Option<&dyn BoolArrayTrait>

Downcasts the array for bool-specific behavior.

fn _as_primitive_typed(&self) -> Option<&dyn PrimitiveArrayTrait>

Downcasts the array for primitive-specific behavior.

fn _as_utf8_typed(&self) -> Option<&dyn Utf8ArrayTrait>

Downcasts the array for utf8-specific behavior.

fn _as_binary_typed(&self) -> Option<&dyn BinaryArrayTrait>

Downcasts the array for binary-specific behavior.

fn _as_struct_typed(&self) -> Option<&dyn StructArrayTrait>

Downcasts the array for struct-specific behavior.

fn _as_extension_typed(&self) -> Option<&dyn ExtensionArrayTrait>

Downcasts the array for extension-specific behavior.

impl ArrayVisitorImpl<RkyvMetadata<ListMetadata>> for ListArray

fn _children(&self, visitor: &mut dyn ArrayChildVisitor)

fn _metadata(&self) -> RkyvMetadata<ListMetadata>

fn _buffers(&self, _visitor: &mut dyn ArrayBufferVisitor)

fn _nbuffers(&self) -> usize

fn _nchildren(&self) -> usize

impl Clone for ListArray

fn clone(&self) -> ListArray

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for ListArray

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

Formats the value using the given formatter.

impl IsConstantFn<&ListArray> for ListEncoding

fn is_constant( &self, _array: &ListArray, _opts: &IsConstantOpts, ) -> VortexResult<Option<bool>>

Preconditions

impl MaskFn<&ListArray> for ListEncoding

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

Replace masked values with null in array.

impl MinMaxFn<&ListArray> for ListEncoding

fn min_max(&self, _array: &ListArray) -> VortexResult<Option<MinMaxResult>>

impl ScalarAtFn<&ListArray> for ListEncoding

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

impl SerdeVTable<&ListArray> for ListEncoding

fn decode( &self, parts: &ArrayParts, ctx: &ArrayContext, dtype: DType, len: usize, ) -> VortexResult<ArrayRef>

Decode an ArrayParts into an ArrayRef of this encoding.

impl SliceFn<&ListArray> for ListEncoding

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

Return a zero-copy slice of an array, between start (inclusive) and end (exclusive). If start >= stop, returns an empty array of the same type as self. Assumes that start or stop are out of bounds, may panic otherwise.

impl StatisticsVTable<&ListArray> for ListEncoding

fn compute_statistics(&self, _array: A, _stat: Stat) -> VortexResult<StatsSet>

Compute the requested statistic. Can return additional stats.

impl ToArrowFn<&ListArray> for ListEncoding

fn to_arrow( &self, array: &ListArray, data_type: &DataType, ) -> VortexResult<Option<ArrayRef>>

Convert the array to an Arrow array of the given type.

fn preferred_arrow_data_type(&self, _array: A) -> VortexResult<Option<DataType>>

Return the preferred Arrow DataType of the encoding, or None of the canonical DataType for the array’s Vortex vortex_dtype::DType should be used.

impl UncompressedSizeFn<&ListArray> for ListEncoding

fn uncompressed_size(&self, array: &ListArray) -> VortexResult<usize>

Compute the approximated uncompressed size of the array, in bytes.

impl ListArrayTrait for ListArray