PrimitiveHashTable

datafusion_physical_plan::aggregates::topk::hash_table

Struct PrimitiveHashTable 

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struct PrimitiveHashTable<VAL: ArrowPrimitiveType>
where
    Option<<VAL as ArrowPrimitiveType>::Native>: Comparable,
{
    owned: ArrayRef,
    map: TopKHashTable<Option<VAL::Native>>,
    rnd: RandomState,
    kt: DataType,
}

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§owned: ArrayRef§map: TopKHashTable<Option<VAL::Native>>§rnd: RandomState§kt: DataType

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impl<VAL: ArrowPrimitiveType> PrimitiveHashTable<VAL>
where Option<<VAL as ArrowPrimitiveType>::Native>: Comparable + HashValue,

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pub fn new(limit: usize, kt: DataType) -> Self

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impl<VAL: ArrowPrimitiveType> ArrowHashTable for PrimitiveHashTable<VAL>
where Option<<VAL as ArrowPrimitiveType>::Native>: Comparable + HashValue,

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fn set_batch(&mut self, ids: ArrayRef)

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fn len(&self) -> usize

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unsafe fn update_heap_idx(&mut self, mapper: &[(usize, usize)])

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unsafe fn heap_idx_at(&self, map_idx: usize) -> usize

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unsafe fn take_all(&mut self, indexes: Vec<usize>) -> ArrayRef

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unsafe fn find_or_insert( &mut self, row_idx: usize, replace_idx: usize, mapper: &mut Vec<(usize, usize)>, ) -> (usize, bool)

Auto Trait Implementations§

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impl<VAL> Freeze for PrimitiveHashTable<VAL>

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impl<VAL> !RefUnwindSafe for PrimitiveHashTable<VAL>

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impl<VAL> Send for PrimitiveHashTable<VAL>

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impl<VAL> Sync for PrimitiveHashTable<VAL>

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impl<VAL> Unpin for PrimitiveHashTable<VAL>
where <VAL as ArrowPrimitiveType>::Native: Unpin,

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impl<VAL> !UnwindSafe for PrimitiveHashTable<VAL>

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impl<T> Any for T
where T: 'static + ?Sized,

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