mixed_join.hpp

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/*
 * SPDX-FileCopyrightText: Copyright (c) 2025-2026, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 * SPDX-License-Identifier: Apache-2.0
 */
 
#pragma once
 
#include <cudf/ast/expressions.hpp>
#include <cudf/table/table_view.hpp>
#include <cudf/types.hpp>
#include <cudf/utilities/default_stream.hpp>
#include <cudf/utilities/export.hpp>
#include <cudf/utilities/memory_resource.hpp>
#include <cudf/utilities/span.hpp>
 
#include <rmm/device_uvector.hpp>
 
#include <cuda/stream>
 
#include <optional>
#include <utility>
 
namespace CUDF_EXPORT cudf {
 
using output_size_data_type = std::optional<std::pair<std::size_t, device_span<size_type const>>>;
 
std::pair<std::unique_ptr<rmm::device_uvector<size_type>>,
          std::unique_ptr<rmm::device_uvector<size_type>>>
mixed_inner_join(table_view const& left_equality,
                 table_view const& right_equality,
                 table_view const& left_conditional,
                 table_view const& right_conditional,
                 ast::expression const& binary_predicate,
                 null_equality compare_nulls            = null_equality::EQUAL,
                 output_size_data_type output_size_data = {},
                 cuda::stream_ref stream                = cudf::get_default_stream(),
                 rmm::device_async_resource_ref mr      = cudf::get_current_device_resource_ref());
 
std::pair<std::unique_ptr<rmm::device_uvector<size_type>>,
          std::unique_ptr<rmm::device_uvector<size_type>>>
mixed_left_join(table_view const& left_equality,
                table_view const& right_equality,
                table_view const& left_conditional,
                table_view const& right_conditional,
                ast::expression const& binary_predicate,
                null_equality compare_nulls            = null_equality::EQUAL,
                output_size_data_type output_size_data = {},
                cuda::stream_ref stream                = cudf::get_default_stream(),
                rmm::device_async_resource_ref mr      = cudf::get_current_device_resource_ref());
 
std::pair<std::unique_ptr<rmm::device_uvector<size_type>>,
          std::unique_ptr<rmm::device_uvector<size_type>>>
mixed_full_join(table_view const& left_equality,
                table_view const& right_equality,
                table_view const& left_conditional,
                table_view const& right_conditional,
                ast::expression const& binary_predicate,
                null_equality compare_nulls            = null_equality::EQUAL,
                output_size_data_type output_size_data = {},
                cuda::stream_ref stream                = cudf::get_default_stream(),
                rmm::device_async_resource_ref mr      = cudf::get_current_device_resource_ref());
 
std::unique_ptr<rmm::device_uvector<size_type>> mixed_left_semi_join(
  table_view const& left_equality,
  table_view const& right_equality,
  table_view const& left_conditional,
  table_view const& right_conditional,
  ast::expression const& binary_predicate,
  null_equality compare_nulls       = null_equality::EQUAL,
  cuda::stream_ref stream           = cudf::get_default_stream(),
  rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref());
 
std::unique_ptr<rmm::device_uvector<size_type>> mixed_left_anti_join(
  table_view const& left_equality,
  table_view const& right_equality,
  table_view const& left_conditional,
  table_view const& right_conditional,
  ast::expression const& binary_predicate,
  null_equality compare_nulls       = null_equality::EQUAL,
  cuda::stream_ref stream           = cudf::get_default_stream(),
  rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref());
 
std::pair<std::size_t, std::unique_ptr<rmm::device_uvector<size_type>>> mixed_inner_join_size(
  table_view const& left_equality,
  table_view const& right_equality,
  table_view const& left_conditional,
  table_view const& right_conditional,
  ast::expression const& binary_predicate,
  null_equality compare_nulls       = null_equality::EQUAL,
  cuda::stream_ref stream           = cudf::get_default_stream(),
  rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref());
 
std::pair<std::size_t, std::unique_ptr<rmm::device_uvector<size_type>>> mixed_left_join_size(
  table_view const& left_equality,
  table_view const& right_equality,
  table_view const& left_conditional,
  table_view const& right_conditional,
  ast::expression const& binary_predicate,
  null_equality compare_nulls       = null_equality::EQUAL,
  cuda::stream_ref stream           = cudf::get_default_stream(),
  rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref());
  // end of group
 
}  // namespace CUDF_EXPORT cudf