[][src]Struct arrow::array::UnionBuilder

pub struct UnionBuilder { /* fields omitted */ }

Builder type for creating a new UnionArray.

Implementations

impl UnionBuilder[src]

pub fn new_dense(capacity: usize) -> Self[src]

Creates a new dense array builder.

pub fn new_sparse(capacity: usize) -> Self[src]

Creates a new sparse array builder.

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

Appends a null to this builder.

pub fn append<T: ArrowPrimitiveType>(
    &mut self,
    type_name: &str,
    v: T::Native
) -> Result<()>
[src]

Appends a value to this builder.

pub fn build(self) -> Result<UnionArray>[src]

Builds this builder creating a new UnionArray.

Trait Implementations

impl Debug for UnionBuilder[src]

Auto Trait Implementations

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized
[src]

impl<T> Borrow<T> for T where
    T: ?Sized
[src]

impl<T> BorrowMut<T> for T where
    T: ?Sized
[src]

impl<T> From<T> for T[src]

impl<T, U> Into<U> for T where
    U: From<T>, 
[src]

impl<T, U> TryFrom<U> for T where
    U: Into<T>, 
[src]

type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, 
[src]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

impl<V, T> VZip<V> for T where
    V: MultiLane<T>,