Struct arrow::array::UnionBuilder [−][src]
pub struct UnionBuilder { /* fields omitted */ }
Expand description
Builder type for creating a new UnionArray
.
Implementations
impl UnionBuilder
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impl UnionBuilder
[src]pub fn new_sparse(capacity: usize) -> Self
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pub fn new_sparse(capacity: usize) -> Self
[src]Creates a new sparse array builder.
pub fn append_null(&mut self) -> Result<()>
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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<()>
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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>
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pub fn build(self) -> Result<UnionArray>
[src]Builds this builder creating a new UnionArray
.
Trait Implementations
Auto Trait Implementations
impl RefUnwindSafe for UnionBuilder
impl Send for UnionBuilder
impl Sync for UnionBuilder
impl Unpin for UnionBuilder
impl UnwindSafe for UnionBuilder
Blanket Implementations
impl<T> BorrowMut<T> for T where
T: ?Sized,
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impl<T> BorrowMut<T> for T where
T: ?Sized,
[src]pub fn borrow_mut(&mut self) -> &mut T
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pub fn borrow_mut(&mut self) -> &mut T
[src]Mutably borrows from an owned value. Read more
impl<V, T> VZip<V> for T where
V: MultiLane<T>,
impl<V, T> VZip<V> for T where
V: MultiLane<T>,