dictionary_factories.hpp

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/*
 * SPDX-FileCopyrightText: Copyright (c) 2020-2026, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 * SPDX-License-Identifier: Apache-2.0
 */
#pragma once
 
#include <cudf/column/column.hpp>
#include <cudf/column/column_view.hpp>
#include <cudf/utilities/default_stream.hpp>
#include <cudf/utilities/memory_resource.hpp>
 
#include <rmm/cuda_stream_view.hpp>
 
namespace CUDF_EXPORT cudf {
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 = cudf::get_current_device_resource_ref());
 
std::unique_ptr<column> make_dictionary_column(std::unique_ptr<column> keys_column,
                                               std::unique_ptr<column> indices_column,
                                               rmm::device_buffer&& null_mask,
                                               size_type null_count);
 
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());
  // end of group
}  // namespace CUDF_EXPORT cudf