pub struct DataFusionAggregateFactory { /* private fields */ }Expand description
Factory for creating DataFusionAccumulatorAdapter instances.
Wraps a DataFusion AggregateUDF and provides the DynAggregatorFactory
interface for use with CompositeAggregator.
Implementations§
Trait Implementations§
Source§impl Debug for DataFusionAggregateFactory
impl Debug for DataFusionAggregateFactory
Source§impl DynAggregatorFactory for DataFusionAggregateFactory
impl DynAggregatorFactory for DataFusionAggregateFactory
Source§fn create_accumulator(&self) -> Box<dyn DynAccumulator>
fn create_accumulator(&self) -> Box<dyn DynAccumulator>
Creates a new empty accumulator.
Source§fn result_field(&self) -> Field
fn result_field(&self) -> Field
Returns the Arrow field descriptor for results.
Source§fn clone_box(&self) -> Box<dyn DynAggregatorFactory>
fn clone_box(&self) -> Box<dyn DynAggregatorFactory>
Creates a boxed clone of this factory.
Auto Trait Implementations§
impl Freeze for DataFusionAggregateFactory
impl !RefUnwindSafe for DataFusionAggregateFactory
impl Send for DataFusionAggregateFactory
impl Sync for DataFusionAggregateFactory
impl Unpin for DataFusionAggregateFactory
impl UnsafeUnpin for DataFusionAggregateFactory
impl !UnwindSafe for DataFusionAggregateFactory
Blanket Implementations§
Source§impl<T> ArchivePointee for T
impl<T> ArchivePointee for T
Source§type ArchivedMetadata = ()
type ArchivedMetadata = ()
The archived version of the pointer metadata for this type.
Source§fn pointer_metadata(
_: &<T as ArchivePointee>::ArchivedMetadata,
) -> <T as Pointee>::Metadata
fn pointer_metadata( _: &<T as ArchivePointee>::ArchivedMetadata, ) -> <T as Pointee>::Metadata
Converts some archived metadata to the pointer metadata for itself.
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Source§impl<T> Instrument for T
impl<T> Instrument for T
Source§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
Source§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
Source§impl<T> IntoEither for T
impl<T> IntoEither for T
Source§fn into_either(self, into_left: bool) -> Either<Self, Self>
fn into_either(self, into_left: bool) -> Either<Self, Self>
Converts
self into a Left variant of Either<Self, Self>
if into_left is true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read moreSource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
Converts
self into a Left variant of Either<Self, Self>
if into_left(&self) returns true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read moreSource§impl<T> LayoutRaw for T
impl<T> LayoutRaw for T
Source§fn layout_raw(_: <T as Pointee>::Metadata) -> Result<Layout, LayoutError>
fn layout_raw(_: <T as Pointee>::Metadata) -> Result<Layout, LayoutError>
Returns the layout of the type.
Source§impl<T, N1, N2> Niching<NichedOption<T, N1>> for N2
impl<T, N1, N2> Niching<NichedOption<T, N1>> for N2
Source§unsafe fn is_niched(niched: *const NichedOption<T, N1>) -> bool
unsafe fn is_niched(niched: *const NichedOption<T, N1>) -> bool
Returns whether the given value has been niched. Read more
Source§fn resolve_niched(out: Place<NichedOption<T, N1>>)
fn resolve_niched(out: Place<NichedOption<T, N1>>)
Writes data to
out indicating that a T is niched.