pub trait IntoGroupsProxy {
// Provided method
fn group_tuples(
&self,
_multithreaded: bool,
_sorted: bool,
) -> PolarsResult<GroupsProxy> { ... }
}
Available on crate feature
algorithm_group_by
only.Expand description
Used to create the tuples for a group_by operation.
Provided Methods§
Sourcefn group_tuples(
&self,
_multithreaded: bool,
_sorted: bool,
) -> PolarsResult<GroupsProxy>
fn group_tuples( &self, _multithreaded: bool, _sorted: bool, ) -> PolarsResult<GroupsProxy>
Create the tuples need for a group_by operation. * The first value in the tuple is the first index of the group. * The second value in the tuple is the indexes of the groups including the first value.
Implementors§
impl IntoGroupsProxy for BinaryChunked
impl IntoGroupsProxy for BinaryOffsetChunked
impl IntoGroupsProxy for BooleanChunked
impl IntoGroupsProxy for ListChunked
impl IntoGroupsProxy for StringChunked
impl<T> IntoGroupsProxy for ChunkedArray<T>
impl<T> IntoGroupsProxy for ObjectChunked<T>where
T: PolarsObject,
Available on crate feature
object
only.