22 #include <rmm/cuda_stream_view.hpp>
23 #include <rmm/mr/device/per_device_resource.hpp>
24 #include <rmm/resource_ref.hpp>
70 rmm::device_async_resource_ref mr = rmm::mr::get_current_device_resource());
93 std::unique_ptr<column> indices_column,
94 rmm::device_buffer&& null_mask,
119 std::unique_ptr<column> keys_column,
120 std::unique_ptr<column> indices_column,
122 rmm::device_async_resource_ref mr = rmm::mr::get_current_device_resource());
A non-owning, immutable view of device data as a column of elements, some of which may be null as ind...
Class definition for cudf::column.
column view class definitions
std::unique_ptr< column > make_dictionary_column(column_view const &keys_column, column_view const &indices_column, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=rmm::mr::get_current_device_resource())
Construct a dictionary column by copying the provided keys and indices.
cudf::size_type null_count(bitmask_type const *bitmask, size_type start, size_type stop, rmm::cuda_stream_view stream=cudf::get_default_stream())
Given a validity bitmask, counts the number of null elements (unset bits) in the range [start,...
rmm::cuda_stream_view const get_default_stream()
Get the current default stream.
int32_t size_type
Row index type for columns and tables.