convert_datetime.hpp

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/*
 * Copyright (c) 2019-2024, 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
 *
 *     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/strings/strings_column_view.hpp>
#include <cudf/utilities/memory_resource.hpp>
 
#include <string>
#include <vector>
 
namespace CUDF_EXPORT cudf {
namespace strings {
std::unique_ptr<column> to_timestamps(
  strings_column_view const& input,
  data_type timestamp_type,
  std::string_view format,
  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> is_timestamp(
  strings_column_view const& input,
  std::string_view format,
  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> from_timestamps(
  column_view const& timestamps,
  std::string_view format           = "%Y-%m-%dT%H:%M:%SZ",
  strings_column_view const& names  = strings_column_view(column_view{
    data_type{type_id::STRING}, 0, nullptr, nullptr, 0}),
  rmm::cuda_stream_view stream      = cudf::get_default_stream(),
  rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref());
  // end of doxygen group
}  // namespace strings
}  // namespace CUDF_EXPORT cudf