update_keys.hpp

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/*
 * SPDX-FileCopyrightText: Copyright (c) 2020-2024, NVIDIA CORPORATION.
 * SPDX-License-Identifier: Apache-2.0
 */
#pragma once
 
#include <cudf/column/column.hpp>
#include <cudf/dictionary/dictionary_column_view.hpp>
#include <cudf/utilities/memory_resource.hpp>
#include <cudf/utilities/span.hpp>
 
namespace CUDF_EXPORT cudf {
namespace dictionary {
std::unique_ptr<column> add_keys(
  dictionary_column_view const& dictionary_column,
  column_view const& new_keys,
  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> remove_keys(
  dictionary_column_view const& dictionary_column,
  column_view const& keys_to_remove,
  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> remove_unused_keys(
  dictionary_column_view const& dictionary_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> set_keys(
  dictionary_column_view const& dictionary_column,
  column_view const& keys,
  rmm::cuda_stream_view stream      = cudf::get_default_stream(),
  rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref());
 
std::vector<std::unique_ptr<column>> match_dictionaries(
  cudf::host_span<dictionary_column_view const> input,
  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 dictionary
}  // namespace CUDF_EXPORT cudf