stream_compaction.hpp File Reference

Column APIs for filtering rows. More...

#include <cudf/types.hpp>
#include <cudf/utilities/default_stream.hpp>
#include <cudf/utilities/export.hpp>
#include <cudf/utilities/memory_resource.hpp>
#include <memory>
#include <vector>

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Namespaces
	cudf
	cuDF interfaces

Enumerations
enum class	cudf::duplicate_keep_option { cudf::KEEP_ANY = 0 , cudf::KEEP_FIRST , cudf::KEEP_LAST , cudf::KEEP_NONE }
	Choices for drop_duplicates API for retainment of duplicate rows. More...

Functions
std::unique_ptr< table >	cudf::drop_nulls (table_view const &input, std::vector< size_type > const &keys, cudf::size_type keep_threshold, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
	Filters a table to remove null elements with threshold count. More...
std::unique_ptr< table >	cudf::drop_nulls (table_view const &input, std::vector< size_type > const &keys, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
	Filters a table to remove null elements. More...
std::unique_ptr< table >	cudf::drop_nans (table_view const &input, std::vector< size_type > const &keys, cudf::size_type keep_threshold, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
	Filters a table to remove NANs with threshold count. More...
std::unique_ptr< table >	cudf::drop_nans (table_view const &input, std::vector< size_type > const &keys, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
	Filters a table to remove NANs. More...
std::unique_ptr< table >	cudf::apply_boolean_mask (table_view const &input, column_view const &boolean_mask, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
	Filters input using boolean_mask of boolean values as a mask. More...
std::unique_ptr< table >	cudf::unique (table_view const &input, std::vector< size_type > const &keys, duplicate_keep_option keep, null_equality nulls_equal=null_equality::EQUAL, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
	Create a new table with consecutive duplicate rows removed. More...
std::unique_ptr< table >	cudf::distinct (table_view const &input, std::vector< size_type > const &keys, duplicate_keep_option keep=duplicate_keep_option::KEEP_ANY, null_equality nulls_equal=null_equality::EQUAL, nan_equality nans_equal=nan_equality::ALL_EQUAL, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
	Create a new table without duplicate rows. More...
std::unique_ptr< column >	cudf::distinct_indices (table_view const &input, duplicate_keep_option keep=duplicate_keep_option::KEEP_ANY, null_equality nulls_equal=null_equality::EQUAL, nan_equality nans_equal=nan_equality::ALL_EQUAL, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
	Create a column of indices of all distinct rows in the input table. More...
std::unique_ptr< table >	cudf::stable_distinct (table_view const &input, std::vector< size_type > const &keys, duplicate_keep_option keep=duplicate_keep_option::KEEP_ANY, null_equality nulls_equal=null_equality::EQUAL, nan_equality nans_equal=nan_equality::ALL_EQUAL, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
	Create a new table without duplicate rows, preserving input order. More...
cudf::size_type	cudf::unique_count (column_view const &input, null_policy null_handling, nan_policy nan_handling, rmm::cuda_stream_view stream=cudf::get_default_stream())
	Count the number of consecutive groups of equivalent rows in a column. More...
cudf::size_type	cudf::unique_count (table_view const &input, null_equality nulls_equal=null_equality::EQUAL, rmm::cuda_stream_view stream=cudf::get_default_stream())
	Count the number of consecutive groups of equivalent rows in a table. More...
cudf::size_type	cudf::distinct_count (column_view const &input, null_policy null_handling, nan_policy nan_handling, rmm::cuda_stream_view stream=cudf::get_default_stream())
	Count the distinct elements in the column_view. More...
cudf::size_type	cudf::distinct_count (table_view const &input, null_equality nulls_equal=null_equality::EQUAL, rmm::cuda_stream_view stream=cudf::get_default_stream())
	Count the distinct rows in a table. More...

Detailed Description

Column APIs for filtering rows.

Definition in file stream_compaction.hpp.