Struct arrow::array::DecimalArray

pub struct DecimalArray { /* fields omitted */ }

A type of DecimalArray whose elements are binaries.

Implementations

impl DecimalArray

pub fn value(&self, i: usize) -> i128

Returns the element at index i as i128.

pub fn value_offset(&self, i: usize) -> i32

Returns the offset for the element at index i.

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

pub fn value_length(&self) -> i32

Returns the length for an element.

All elements have the same length as the array is a fixed size.

pub fn value_data(&self) -> Buffer

Returns a clone of the value data buffer

pub fn from_fixed_size_list_array(
    v: FixedSizeListArray,
    precision: usize,
    scale: usize
) -> Self

pub fn precision(&self) -> usize

pub fn scale(&self) -> usize

Trait Implementations

impl Array for DecimalArray

fn as_any(&self) -> &dyn Any

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

fn data(&self) -> &ArrayData

Returns a reference 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 DecimalArray.

fn get_array_memory_size(&self) -> usize

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

fn data_ref(&self) -> &ArrayData

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

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.

fn to_raw(&self) -> Result<(*const FFI_ArrowArray, *const FFI_ArrowSchema)>

returns two pointers that represent this array in the C Data Interface (FFI)

impl Debug for DecimalArray

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

Formats the value using the given formatter.

impl From<ArrayData> for DecimalArray

fn from(data: ArrayData) -> Self

Performs the conversion.

impl JsonEqual for DecimalArray

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 PartialEq<DecimalArray> for DecimalArray

fn eq(&self, other: &Self) -> bool

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

#[must_use]

pub fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl PartialEq<Value> for DecimalArray

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

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

#[must_use]

pub fn ne(&self, other: &Rhs) -> bool

This method tests for !=.