Trait polars_core::prelude::IntoGroupsProxy

pub trait IntoGroupsProxy {
    fn group_tuples(
        &self,
        _multithreaded: bool,
        _sorted: bool
    ) -> PolarsResult<GroupsProxy> { ... }
}

Used to create the tuples for a groupby operation.

Provided Methods

fn group_tuples(
    &self,
    _multithreaded: bool,
    _sorted: bool
) -> PolarsResult<GroupsProxy>

Create the tuples need for a groupby operation. * The first value in the tuple is the first index of the group. * The second value in the tuple is are the indexes of the groups including the first value.

Implementors

impl IntoGroupsProxy for BinaryChunked

Available on crate feature dtype-binary only.

impl IntoGroupsProxy for BooleanChunked

impl IntoGroupsProxy for ListChunked

impl IntoGroupsProxy for Utf8Chunked

impl<T> IntoGroupsProxy for ChunkedArray<T>where
    T: PolarsNumericType,
    T::Native: NumCast,

impl<T> IntoGroupsProxy for ObjectChunked<T>where
    T: PolarsObject,

Available on crate feature object only.