Struct arrow::array::PrimitiveBuilder

pub struct PrimitiveBuilder<T: ArrowPrimitiveType> { /* fields omitted */ }

Array builder for fixed-width primitive types

Methods

impl<T: ArrowPrimitiveType> PrimitiveBuilder<T>

pub fn new(capacity: usize) -> Self

Creates a new primitive array builder

pub fn capacity(&self) -> usize

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

pub fn append_value(&mut self, v: T::Native) -> Result<()>

Appends a value of type T into the builder

pub fn append_null(&mut self) -> Result<()>

Appends a null slot into the builder

pub fn append_option(&mut self, v: Option<T::Native>) -> Result<()>

Appends an Option<T> into the builder

pub fn append_slice(&mut self, v: &[T::Native]) -> Result<()>

Appends a slice of type T into the builder

pub fn finish(&mut self) -> PrimitiveArray<T>

Builds the PrimitiveArray and reset this builder.