Struct SingleColumnTopK

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pub struct SingleColumnTopK { /* private fields */ }

Expand description

Optimized top-K for single-column ORDER BY

Avoids the overhead of multi-column comparison when only one column is involved.

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impl SingleColumnTopK

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pub fn new(k: usize, col_idx: usize, ascending: bool) -> Self

Create new single-column top-K

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pub fn push(&mut self, row: SochRow)

Push a row

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pub fn into_sorted_vec(self) -> Vec<SochRow>

Drain into sorted vector

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pub fn len(&self) -> usize

Current count

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pub fn is_empty(&self) -> bool

Is empty

Auto Trait Implementations§

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impl UnwindSafe for SingleColumnTopK

Blanket Implementations§

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

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where T: ?Sized,

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impl<T> BorrowMut<T> for T
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fn from(t: T) -> T

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Calls U::from(self).

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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 more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

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 more

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