direct_join.hpp

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/*
 * SPDX-FileCopyrightText: Copyright (c) 2026, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 * SPDX-License-Identifier: Apache-2.0
 */
 
#pragma once
 
#include <cudf/column/column_view.hpp>
#include <cudf/types.hpp>
#include <cudf/utilities/default_stream.hpp>
#include <cudf/utilities/export.hpp>
#include <cudf/utilities/memory_resource.hpp>
 
#include <rmm/cuda_stream_view.hpp>
#include <rmm/device_uvector.hpp>
 
#include <memory>
#include <utility>
 
namespace CUDF_EXPORT cudf {
 
[[nodiscard]] std::pair<std::unique_ptr<rmm::device_uvector<size_type>>,
                        std::unique_ptr<rmm::device_uvector<size_type>>>
direct_inner_join(column_view const& left_keys,
                  column_view const& right_keys,
                  std::size_t capacity,
                  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