count_elements.hpp
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16 #pragma once
17 
18 #include <cudf/column/column.hpp>
20 #include <cudf/utilities/export.hpp>
21 
23 #include <rmm/resource_ref.hpp>
24 
25 namespace CUDF_EXPORT cudf {
26 namespace lists {
54 std::unique_ptr<column> count_elements(
55  lists_column_view const& input,
58  // end of lists_elements group
60 
61 } // namespace lists
62 } // 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.
std::unique_ptr< column > count_elements(lists_column_view const &input, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=rmm::mr::get_current_device_resource())
Returns a numeric column containing the number of rows in each list element in the given lists column...
cuda::mr::async_resource_ref< cuda::mr::device_accessible > device_async_resource_ref
device_memory_resource * get_current_device_resource()
Class definition for cudf::lists_column_view.
cuDF interfaces
Definition: aggregation.hpp:35