Protected Member Functions | List of all members
cudf::rolling_aggregation Class Reference

Derived class intended for rolling_window specific aggregation usage. More...

#include <aggregation.hpp>

Inheritance diagram for cudf::rolling_aggregation:
cudf::aggregation

Protected Member Functions

 rolling_aggregation (aggregation::Kind a)
 

Additional Inherited Members

- Public Types inherited from cudf::aggregation
enum  Kind {
  SUM, PRODUCT, MIN, MAX,
  COUNT_VALID, COUNT_ALL, ANY, ALL,
  SUM_OF_SQUARES, MEAN, M2, VARIANCE,
  STD, MEDIAN, QUANTILE, ARGMAX,
  ARGMIN, NUNIQUE, NTH_ELEMENT, ROW_NUMBER,
  RANK, DENSE_RANK, PERCENT_RANK, COLLECT_LIST,
  COLLECT_SET, LEAD, LAG, PTX,
  CUDA, MERGE_LISTS, MERGE_SETS, MERGE_M2,
  COVARIANCE, CORRELATION, TDIGEST, MERGE_TDIGEST
}
 Possible aggregation operations. More...
 
- Public Member Functions inherited from cudf::aggregation
 aggregation (aggregation::Kind a)
 
virtual bool is_equal (aggregation const &other) const
 
virtual size_t do_hash () const
 
virtual std::unique_ptr< aggregationclone () const =0
 
virtual std::vector< std::unique_ptr< aggregation > > get_simple_aggregations (data_type col_type, cudf::detail::simple_aggregations_collector &collector) const =0
 
virtual void finalize (cudf::detail::aggregation_finalizer &finalizer) const =0
 
- Public Attributes inherited from cudf::aggregation
Kind kind
 The aggregation to perform.
 

Detailed Description

Derived class intended for rolling_window specific aggregation usage.

As an example, rolling_window will only accept rolling_aggregation inputs, and the appropriate derived classes (sum_aggregation, mean_aggregation, etc) derive from this interface to represent these valid options.

Definition at line 120 of file aggregation.hpp.


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