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LastValueF64DynFactory

laminar_core::operator::window

Struct LastValueF64DynFactory 

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pub struct LastValueF64DynFactory { /* private fields */ }
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LAST_VALUE factory for f64 columns via DynAccumulator.

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impl LastValueF64DynFactory

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pub fn new( value_column_index: usize, timestamp_column_index: usize, field_name: impl Into<String>, ) -> Self

Creates a new LAST_VALUE factory for f64 columns.

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impl Clone for LastValueF64DynFactory

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fn clone(&self) -> LastValueF64DynFactory

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for LastValueF64DynFactory

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl DynAggregatorFactory for LastValueF64DynFactory

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fn create_accumulator(&self) -> Box<dyn DynAccumulator>

Creates a new empty accumulator.
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fn result_field(&self) -> Field

Returns the Arrow field descriptor for results.
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fn clone_box(&self) -> Box<dyn DynAggregatorFactory>

Creates a boxed clone of this factory.
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fn type_tag(&self) -> &'static str

Returns a type tag for deserialization dispatch.

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impl<T> Any for T
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type ArchivedMetadata = ()

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
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