cudf::row::primitive::element_hasher< Hash > Class Template Reference

Function object for computing the hash value of a row in a column. More...

Public Member Functions
template<typename T , CUDF_ENABLE_IF(column_device_view::has_element_accessor< T >()) >
hash_value_type	operator() (hash_value_type seed, column_device_view const &col, size_type row_index) const
	Returns the hash value of the given element in the given column. More...

Detailed Description

template<template< typename > class Hash>
class cudf::row::primitive::element_hasher< Hash >

Function object for computing the hash value of a row in a column.

Template Parameters

Hash	Hash functor to use for hashing elements

Deprecated:

This class is deprecated in 25.10 and will be removed in 25.12. Users should use cudf/detail/row_operator/primitive_row_operators.cuh instead.

Definition at line 204 of file primitive_row_operators.cuh.

Member Function Documentation

operator()()

template<template< typename > class Hash>

template<typename T , CUDF_ENABLE_IF(column_device_view::has_element_accessor< T >()) >

hash_value_type cudf::row::primitive::element_hasher< Hash >::operator() ( hash_value_type  seed, column_device_view const &  col, size_type  row_index  ) const

inline

Returns the hash value of the given element in the given column.

Template Parameters

T	The type of the element to hash

Parameters

seed	The seed value to use for hashing
col	The column to hash
row_index	The index of the row to hash

Returns

The hash value of the given element

Definition at line 216 of file primitive_row_operators.cuh.

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

• primitive_row_operators.cuh