lists/extract.hpp
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16 #pragma once
17 
18 #include <cudf/column/column.hpp>
21 #include <cudf/utilities/export.hpp>
23 
24 namespace CUDF_EXPORT cudf {
25 namespace lists {
66 std::unique_ptr<column> extract_list_element(
67  lists_column_view const& lists_column,
68  size_type index,
71 
107 std::unique_ptr<column> extract_list_element(
108  lists_column_view const& lists_column,
109  column_view const& indices,
112  // end of group
114 } // namespace lists
115 } // namespace CUDF_EXPORT cudf
A non-owning, immutable view of device data as a column of elements, some of which may be null as ind...
Given a column-view of lists type, an instance of this class provides a wrapper on this compound colu...
Class definition for cudf::column.
column view class definitions
rmm::cuda_stream_view const get_default_stream()
Get the current default stream.
std::unique_ptr< column > extract_list_element(lists_column_view const &lists_column, column_view const &indices, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
Create a column where each row is a single element from the corresponding sublist in the input lists_...
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
int32_t size_type
Row index type for columns and tables.
Definition: types.hpp:95
Class definition for cudf::lists_column_view.
cuDF interfaces
Definition: aggregation.hpp:35