Trait polars::chunked_array::aggregate::Agg

pub trait Agg<T> {
    fn sum(&self) -> Option<T>;
    fn min(&self) -> Option<T>;
    fn max(&self) -> Option<T>;
}

Required methods

fn sum(&self) -> Option<T>

fn min(&self) -> Option<T>

fn max(&self) -> Option<T>

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Implementors

impl Agg<u64> for BooleanChunked

Booleans are casted to 1 or 0.

fn sum(&self) -> Option<u64>

Returns None if the array is empty or only contains null values.

fn min(&self) -> Option<u64>

fn max(&self) -> Option<u64>

impl<T> Agg<<T as ArrowPrimitiveType>::Native> for ChunkedArray<T> where
    T: PolarsNumericType,
    T::Native: Add<Output = T::Native> + PartialOrd, 

fn sum(&self) -> Option<T::Native>

Returns None if the array is empty or only contains null values.

fn min(&self) -> Option<T::Native>

Returns the minimum value in the array, according to the natural order. Returns an option because the array is nullable.

fn max(&self) -> Option<T::Native>

Returns the maximum value in the array, according to the natural order. Returns an option because the array is nullable.

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