dictionary_factories.hpp

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/*
 * Copyright (c) 2020-2024, NVIDIA CORPORATION.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * https://apache.ac.cn/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#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,
 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::cuda_stream_view stream = cudf::get_default_stream(),
 rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref());
 // 组结束
} // 命名空间 CUDF_EXPORT cudf