Trait MetadataTrait

pub trait MetadataTrait {
    // Required methods
    fn get_flags(&self) -> MetadataFlags;
    fn min_value(&self) -> Option<Scalar>;
    fn max_value(&self) -> Option<Scalar>;
    fn distinct_count(&self) -> Option<u32>;
}

Required Methods

fn get_flags(&self) -> MetadataFlags

fn min_value(&self) -> Option<Scalar>

fn max_value(&self) -> Option<Scalar>

fn distinct_count(&self) -> Option<u32>

Number of unique non-null values

Implementors

impl<T> MetadataTrait for Metadata<T>

where T: PolarsDataType, <T as PolarsDataType>::OwnedPhysical: IntoScalar + Clone,