25 namespace CUDF_EXPORT
cudf {
94 std::unique_ptr<column> keys_column,
95 std::unique_ptr<column> indices_column,
123 std::unique_ptr<column> keys_column,
124 std::unique_ptr<column> indices_column,
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(std::unique_ptr< column > keys_column, std::unique_ptr< column > indices_column, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
Construct a dictionary column by taking ownership of the provided keys and indices columns.
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.
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.