set_operations.hpp
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16 
17 #pragma once
18 
19 #include <cudf/column/column.hpp>
21 #include <cudf/types.hpp>
23 
25 
26 namespace CUDF_EXPORT cudf {
27 namespace lists {
61 std::unique_ptr<column> have_overlap(
62  lists_column_view const& lhs,
63  lists_column_view const& rhs,
64  null_equality nulls_equal = null_equality::EQUAL,
65  nan_equality nans_equal = nan_equality::ALL_EQUAL,
68 
98 std::unique_ptr<column> intersect_distinct(
99  lists_column_view const& lhs,
100  lists_column_view const& rhs,
101  null_equality nulls_equal = null_equality::EQUAL,
102  nan_equality nans_equal = nan_equality::ALL_EQUAL,
105 
135 std::unique_ptr<column> union_distinct(
136  lists_column_view const& lhs,
137  lists_column_view const& rhs,
138  null_equality nulls_equal = null_equality::EQUAL,
139  nan_equality nans_equal = nan_equality::ALL_EQUAL,
142 
172 std::unique_ptr<column> difference_distinct(
173  lists_column_view const& lhs,
174  lists_column_view const& rhs,
175  null_equality nulls_equal = null_equality::EQUAL,
176  nan_equality nans_equal = nan_equality::ALL_EQUAL,
179  // end of group
181 } // namespace lists
182 } // namespace CUDF_EXPORT cudf
Given a column-view of lists type, an instance of this class provides a wrapper on this compound colu...
Class definition for cudf::column.
rmm::cuda_stream_view const get_default_stream()
Get the current default stream.
rmm::device_async_resource_ref get_current_device_resource_ref()
Get the current device memory resource reference.
cuda::mr::async_resource_ref< cuda::mr::device_accessible > device_async_resource_ref
std::unique_ptr< column > difference_distinct(lists_column_view const &lhs, lists_column_view const &rhs, 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 lists column of distinct elements found only in the left input column.
std::unique_ptr< column > intersect_distinct(lists_column_view const &lhs, lists_column_view const &rhs, 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 lists column of distinct elements common to two input lists columns.
std::unique_ptr< column > union_distinct(lists_column_view const &lhs, lists_column_view const &rhs, 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 lists column of distinct elements found in either of two input lists columns.
std::unique_ptr< column > have_overlap(lists_column_view const &lhs, lists_column_view const &rhs, 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())
Check if lists at each row of the given lists columns overlap.
null_equality
Enum to consider two nulls as equal or unequal.
Definition: types.hpp:151
nan_equality
Enum to consider different elements (of floating point types) holding NaN value as equal or unequal.
Definition: types.hpp:143
Class definition for cudf::lists_column_view.
cuDF interfaces
Definition: aggregation.hpp:35
Type declarations for libcudf.