lists/extract.hpp

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/*
 * Copyright (c) 2020-2022, 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
 *
 *     http://www.apache.org/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/lists/lists_column_view.hpp>
 
#include <rmm/mr/device/per_device_resource.hpp>
 
namespace cudf {
namespace lists {
std::unique_ptr<column> extract_list_element(
  lists_column_view const& lists_column,
  size_type index,
  rmm::mr::device_memory_resource* mr = rmm::mr::get_current_device_resource());
 
std::unique_ptr<column> extract_list_element(
  lists_column_view const& lists_column,
  column_view const& indices,
  rmm::mr::device_memory_resource* mr = rmm::mr::get_current_device_resource());
  // end of group
}  // namespace lists
}  // namespace cudf