Struct arrow::array::FixedSizeListBuilder [−][src]
pub struct FixedSizeListBuilder<T: ArrayBuilder> { /* fields omitted */ }
Expand description
Array builder for ListArray
Implementations
impl<T: ArrayBuilder> FixedSizeListBuilder<T>
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impl<T: ArrayBuilder> FixedSizeListBuilder<T>
[src]pub fn new(values_builder: T, length: i32) -> Self
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pub fn new(values_builder: T, length: i32) -> Self
[src]Creates a new FixedSizeListBuilder
from a given values array builder
length
is the number of values within each array
pub fn with_capacity(values_builder: T, length: i32, capacity: usize) -> Self
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pub fn with_capacity(values_builder: T, length: i32, capacity: usize) -> Self
[src]Creates a new FixedSizeListBuilder
from a given values array builder
length
is the number of values within each array
capacity
is the number of items to pre-allocate space for in this builder
impl<T: ArrayBuilder> FixedSizeListBuilder<T> where
T: 'static,
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impl<T: ArrayBuilder> FixedSizeListBuilder<T> where
T: 'static,
[src]pub fn values(&mut self) -> &mut T
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pub fn values(&mut self) -> &mut T
[src]Returns the child array builder as a mutable reference.
This mutable reference can be used to append values into the child array builder,
but you must call append
to delimit each distinct list value.
pub fn value_length(&self) -> i32
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pub fn append(&mut self, is_valid: bool) -> Result<()>
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pub fn append(&mut self, is_valid: bool) -> Result<()>
[src]Finish the current variable-length list array slot
pub fn finish(&mut self) -> FixedSizeListArray
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pub fn finish(&mut self) -> FixedSizeListArray
[src]Builds the FixedSizeListBuilder
and reset this builder.
Trait Implementations
impl<T: ArrayBuilder> ArrayBuilder for FixedSizeListBuilder<T> where
T: 'static,
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impl<T: ArrayBuilder> ArrayBuilder for FixedSizeListBuilder<T> where
T: 'static,
[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
.
impl<T: Debug + ArrayBuilder> Debug for FixedSizeListBuilder<T>
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impl<T: Debug + ArrayBuilder> Debug for FixedSizeListBuilder<T>
[src]Auto Trait Implementations
impl<T> RefUnwindSafe for FixedSizeListBuilder<T> where
T: RefUnwindSafe,
T: RefUnwindSafe,
impl<T> Send for FixedSizeListBuilder<T>
impl<T> Sync for FixedSizeListBuilder<T> where
T: Sync,
T: Sync,
impl<T> Unpin for FixedSizeListBuilder<T> where
T: Unpin,
T: Unpin,
impl<T> UnwindSafe for FixedSizeListBuilder<T> where
T: UnwindSafe,
T: 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>,