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 ArrayChunked
Available on crate feature
dtype-array
only.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.