convert_datetime.hpp
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1 /*
2  * SPDX-FileCopyrightText: Copyright (c) 2019-2025, NVIDIA CORPORATION.
3  * SPDX-License-Identifier: Apache-2.0
4  */
5 #pragma once
6 
7 #include <cudf/column/column.hpp>
10 
11 #include <string>
12 #include <vector>
13 
14 namespace CUDF_EXPORT cudf {
15 namespace strings {
75 std::unique_ptr<column> to_timestamps(
76  strings_column_view const& input,
77  data_type timestamp_type,
78  std::string_view format,
81 
126 std::unique_ptr<column> is_timestamp(
127  strings_column_view const& input,
128  std::string_view format,
131 
239 std::unique_ptr<column> from_timestamps(
240  column_view const& timestamps,
241  std::string_view format = "%Y-%m-%dT%H:%M:%SZ",
243  data_type{type_id::STRING}, 0, nullptr, nullptr, 0}),
246  // end of doxygen group
248 } // namespace strings
249 } // namespace CUDF_EXPORT cudf
A non-owning, immutable view of device data as a column of elements, some of which may be null as ind...
Indicator for the logical data type of an element in a column.
Definition: types.hpp:238
Given a column-view of strings type, an instance of this class provides a wrapper on this compound co...
Class definition for cudf::column.
rmm::cuda_stream_view const get_default_stream()
Get the current default stream.
rmm::device_async_resource_ref get_current_device_resource_ref()
Get the current device memory resource reference.
detail::cccl_async_resource_ref< cuda::mr::resource_ref< cuda::mr::device_accessible > > device_async_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())
Verifies the given strings column can be parsed to timestamps using the provided format pattern.
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())
Returns a new timestamp column converting a strings column into timestamps using the provided format ...
std::unique_ptr< column > from_timestamps(column_view const ×tamps, 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())
Returns a new strings column converting a timestamp column into strings using the provided format pat...
cuDF interfaces
Definition: host_udf.hpp:26
Class definition for cudf::strings_column_view.