Namespaces | Functions
sorting.hpp File Reference

Column APIs for sort and rank. More...

#include <cudf/aggregation.hpp>
#include <cudf/types.hpp>
#include <memory>
#include <vector>

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Namespaces

 cudf
 cuDF interfaces
 

Functions

std::unique_ptr< column > cudf::sorted_order (table_view const &input, std::vector< order > const &column_order={}, std::vector< null_order > const &null_precedence={}, rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
 Computes the row indices that would produce input in a lexicographical sorted order. More...
 
std::unique_ptr< column > cudf::stable_sorted_order (table_view const &input, std::vector< order > const &column_order={}, std::vector< null_order > const &null_precedence={}, rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
 Computes the row indices that would produce input in a stable lexicographical sorted order. More...
 
bool cudf::is_sorted (cudf::table_view const &table, std::vector< order > const &column_order, std::vector< null_order > const &null_precedence)
 Checks whether the rows of a table are sorted in a lexicographical order. More...
 
std::unique_ptr< table > cudf::sort (table_view const &input, std::vector< order > const &column_order={}, std::vector< null_order > const &null_precedence={}, rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
 Performs a lexicographic sort of the rows of a table. More...
 
std::unique_ptr< table > cudf::sort_by_key (table_view const &values, table_view const &keys, std::vector< order > const &column_order={}, std::vector< null_order > const &null_precedence={}, rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
 Performs a key-value sort. More...
 
std::unique_ptr< table > cudf::stable_sort_by_key (table_view const &values, table_view const &keys, std::vector< order > const &column_order={}, std::vector< null_order > const &null_precedence={}, rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
 Performs a key-value stable sort. More...
 
std::unique_ptr< column > cudf::rank (column_view const &input, rank_method method, order column_order, null_policy null_handling, null_order null_precedence, bool percentage, rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
 Computes the ranks of input column in sorted order. More...
 
std::unique_ptr< column > cudf::segmented_sorted_order (table_view const &keys, column_view const &segment_offsets, std::vector< order > const &column_order={}, std::vector< null_order > const &null_precedence={}, rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
 Returns sorted order after sorting each segment in the table. More...
 
std::unique_ptr< column > cudf::stable_segmented_sorted_order (table_view const &keys, column_view const &segment_offsets, std::vector< order > const &column_order={}, std::vector< null_order > const &null_precedence={}, rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
 Returns sorted order after stably sorting each segment in the table. More...
 
std::unique_ptr< table > cudf::segmented_sort_by_key (table_view const &values, table_view const &keys, column_view const &segment_offsets, std::vector< order > const &column_order={}, std::vector< null_order > const &null_precedence={}, rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
 Performs a lexicographic segmented sort of a table. More...
 
std::unique_ptr< table > cudf::stable_segmented_sort_by_key (table_view const &values, table_view const &keys, column_view const &segment_offsets, std::vector< order > const &column_order={}, std::vector< null_order > const &null_precedence={}, rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
 Performs a stably lexicographic segmented sort of a table. More...
 

Detailed Description

Column APIs for sort and rank.

Definition in file sorting.hpp.