Struct arrow::array::GenericListArray

pub struct GenericListArray<OffsetSize> { /* fields omitted */ }

Implementations

impl<OffsetSize: OffsetSizeTrait> GenericListArray<OffsetSize>

pub fn values(&self) -> ArrayRef

Returns a reference to the values of this list.

pub fn value_type(&self) -> DataType

Returns a clone of the value type of this list.

pub fn value(&self, i: usize) -> ArrayRef

Returns ith value of this list array.

pub fn value_offset(&self, i: usize) -> OffsetSize

Returns the offset for value at index i.

Note this doesn't do any bound checking, for performance reason.

pub fn value_length(&self, i: usize) -> OffsetSize

Returns the length for value at index i.

Note this doesn't do any bound checking, for performance reason.

Trait Implementations

impl<OffsetSize: 'static + OffsetSizeTrait> Array for GenericListArray<OffsetSize>

fn as_any(&self) -> &dyn Any

Returns the array as Any so that it can be downcasted to a specific implementation.

fn data(&self) -> ArrayDataRef

Returns a reference-counted pointer to the underlying data of this array.

fn data_ref(&self) -> &ArrayDataRef

Returns a borrowed & reference-counted pointer to the underlying data of this array.

fn get_buffer_memory_size(&self) -> usize

Returns the total number of bytes of memory occupied by the buffers owned by this ListArray.

fn get_array_memory_size(&self) -> usize

Returns the total number of bytes of memory occupied physically by this ListArray.

fn data_type(&self) -> &DataType

Returns a reference to the DataType of this array.

fn slice(&self, offset: usize, length: usize) -> ArrayRef

Returns a zero-copy slice of this array with the indicated offset and length.

fn len(&self) -> usize

Returns the length (i.e., number of elements) of this array.

fn is_empty(&self) -> bool

Returns whether this array is empty.

fn offset(&self) -> usize

Returns the offset into the underlying data used by this array(-slice). Note that the underlying data can be shared by many arrays. This defaults to 0.

fn is_null(&self, index: usize) -> bool

Returns whether the element at index is null. When using this function on a slice, the index is relative to the slice.

fn is_valid(&self, index: usize) -> bool

Returns whether the element at index is not null. When using this function on a slice, the index is relative to the slice.

fn null_count(&self) -> usize

Returns the total number of null values in this array.

impl<OffsetSize: OffsetSizeTrait> ArrayEqual for GenericListArray<OffsetSize>

fn equals(&self, other: &dyn Array) -> bool

Returns true if this array is equal to the other array

fn range_equals(
    &self,
    other: &dyn Array,
    start_idx: usize,
    end_idx: usize,
    other_start_idx: usize
) -> bool

Returns true if the range [start_idx, end_idx) is equal to [other_start_idx, other_start_idx + end_idx - start_idx) in the other array

impl<OffsetSize: OffsetSizeTrait> Debug for GenericListArray<OffsetSize>

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

Formats the value using the given formatter.

impl<OffsetSize: OffsetSizeTrait> From<Arc<ArrayData>> for GenericListArray<OffsetSize>

fn from(data: ArrayDataRef) -> Self

Performs the conversion.

impl From<GenericListArray<i32>> for BinaryArray

fn from(v: ListArray) -> Self

Performs the conversion.

impl From<GenericListArray<i32>> for StringArray

fn from(v: ListArray) -> Self

Performs the conversion.

impl From<GenericListArray<i64>> for LargeBinaryArray

fn from(v: LargeListArray) -> Self

Performs the conversion.

impl From<GenericListArray<i64>> for LargeStringArray

fn from(v: LargeListArray) -> Self

Performs the conversion.

impl<OffsetSize: OffsetSizeTrait> JsonEqual for GenericListArray<OffsetSize>

fn equals_json(&self, json: &[&Value]) -> bool

Checks whether arrow array equals to json array.

fn equals_json_values(&self, json: &[Value]) -> bool

Checks whether arrow array equals to json array.

impl<OffsetSize: OffsetSizeTrait> PartialEq<GenericListArray<OffsetSize>> for Value

fn eq(&self, arrow: &GenericListArray<OffsetSize>) -> bool

This method tests for self and other values to be equal, and is used by ==.

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl<OffsetSize: OffsetSizeTrait> PartialEq<Value> for GenericListArray<OffsetSize>

fn eq(&self, json: &Value) -> bool

This method tests for self and other values to be equal, and is used by ==.

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.