Public Attributes | List of all members
cudf::groupby::aggregation_request Struct Reference

Request for groupby aggregation(s) to perform on a column. More...

#include <groupby.hpp>

Public Attributes

column_view values
 The elements to aggregate.
 
std::vector< std::unique_ptr< aggregation > > aggregations
 Desired aggregations.
 

Detailed Description

Request for groupby aggregation(s) to perform on a column.

The group membership of each value[i] is determined by the corresponding row i in the original order of keys used to construct the groupby. I.e., for each aggregation, values[i] is aggregated with all other values[j] where rows i and j in keys are equivalent.

values.size() column must equal keys.num_rows().

Definition at line 58 of file groupby.hpp.


The documentation for this struct was generated from the following file: