Struct polars_arrow::builder::BooleanArrayBuilder

pub struct BooleanArrayBuilder { /* fields omitted */ }

Array builder for fixed-width primitive types

Implementations

impl BooleanArrayBuilder

pub fn new(capacity: usize) -> Self

Creates a new primitive array builder

pub fn new_no_nulls(capacity: usize) -> Self

pub fn capacity(&self) -> usize

Returns the capacity of this builder measured in slots of type T

pub fn append_value(&mut self, v: bool)

Appends a value of type T into the builder

pub fn append_null(&mut self)

Appends a null slot into the builder

pub fn append_option(&mut self, v: Option<bool>)

Appends an Option<T> into the builder

pub fn append_slice(&mut self, v: &[bool])

Appends a slice of type T into the builder

pub fn append_values(&mut self, values: &[bool], is_valid: &[bool])

Appends values from a slice of type T and a validity boolean slice

pub fn shrink_to_fit(&mut self)

pub fn finish_with_null_buffer(&mut self, buffer: Buffer) -> BooleanArray

pub fn finish(&mut self) -> BooleanArray

Builds the BooleanArray and reset this builder.

Trait Implementations

impl ArrayBuilder for BooleanArrayBuilder

fn as_any(&self) -> &dyn Any

Returns the builder as a non-mutable Any reference.

fn as_any_mut(&mut self) -> &mut dyn Any

Returns the builder as a mutable Any reference.

fn into_box_any(self: Box<Self>) -> Box<dyn Any>

Returns the boxed builder as a box of Any.

fn len(&self) -> usize

Returns the number of array slots in the builder

fn is_empty(&self) -> bool

Returns whether the number of array slots is zero

fn finish(&mut self) -> ArrayRef

Builds the array and reset this builder.

impl Debug for BooleanArrayBuilder

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

Formats the value using the given formatter.