Struct arrow::array::PrimitiveBuilder [−][src]
pub struct PrimitiveBuilder<T: ArrowPrimitiveType> { /* fields omitted */ }
Expand description
Array builder for fixed-width primitive types
Implementations
impl<T: ArrowPrimitiveType> PrimitiveBuilder<T>
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impl<T: ArrowPrimitiveType> PrimitiveBuilder<T>
[src]pub fn capacity(&self) -> usize
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pub fn capacity(&self) -> usize
[src]Returns the capacity of this builder measured in slots of type T
pub fn append_value(&mut self, v: T::Native) -> Result<()>
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pub fn append_value(&mut self, v: T::Native) -> Result<()>
[src]Appends a value of type T
into the builder
pub fn append_null(&mut self) -> Result<()>
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pub fn append_null(&mut self) -> Result<()>
[src]Appends a null slot into the builder
pub fn append_option(&mut self, v: Option<T::Native>) -> Result<()>
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pub fn append_option(&mut self, v: Option<T::Native>) -> Result<()>
[src]Appends an Option<T>
into the builder
pub fn append_slice(&mut self, v: &[T::Native]) -> Result<()>
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pub fn append_slice(&mut self, v: &[T::Native]) -> Result<()>
[src]Appends a slice of type T
into the builder
pub fn append_values(
&mut self,
values: &[T::Native],
is_valid: &[bool]
) -> Result<()>
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pub fn append_values(
&mut self,
values: &[T::Native],
is_valid: &[bool]
) -> Result<()>
[src]Appends values from a slice of type T
and a validity boolean slice
pub fn finish(&mut self) -> PrimitiveArray<T>
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pub fn finish(&mut self) -> PrimitiveArray<T>
[src]Builds the PrimitiveArray
and reset this builder.
pub fn finish_dict(&mut self, values: ArrayRef) -> DictionaryArray<T>
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pub fn finish_dict(&mut self, values: ArrayRef) -> DictionaryArray<T>
[src]Builds the DictionaryArray
and reset this builder.
Trait Implementations
impl<T: ArrowPrimitiveType> ArrayBuilder for PrimitiveBuilder<T>
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impl<T: ArrowPrimitiveType> ArrayBuilder for PrimitiveBuilder<T>
[src]fn as_any_mut(&mut self) -> &mut dyn Any
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fn as_any_mut(&mut self) -> &mut dyn Any
[src]Returns the builder as a mutable Any
reference.
fn into_box_any(self: Box<Self>) -> Box<dyn Any>
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fn into_box_any(self: Box<Self>) -> Box<dyn Any>
[src]Returns the boxed builder as a box of Any
.
Auto Trait Implementations
impl<T> RefUnwindSafe for PrimitiveBuilder<T> where
<T as ArrowPrimitiveType>::Native: RefUnwindSafe,
<T as ArrowPrimitiveType>::Native: RefUnwindSafe,
impl<T> Send for PrimitiveBuilder<T>
impl<T> Sync for PrimitiveBuilder<T>
impl<T> Unpin for PrimitiveBuilder<T> where
<T as ArrowPrimitiveType>::Native: Unpin,
<T as ArrowPrimitiveType>::Native: Unpin,
impl<T> UnwindSafe for PrimitiveBuilder<T> where
<T as ArrowPrimitiveType>::Native: UnwindSafe,
<T as ArrowPrimitiveType>::Native: UnwindSafe,
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>,