split.hpp
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2019-2024, NVIDIA CORPORATION.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 #pragma once
17 
18 #include <cudf/scalar/scalar.hpp>
20 #include <cudf/table/table.hpp>
21 
23 #include <rmm/resource_ref.hpp>
24 
25 namespace CUDF_EXPORT cudf {
26 namespace strings {
56 std::unique_ptr<table> split(
57  strings_column_view const& strings_column,
58  string_scalar const& delimiter = string_scalar(""),
59  size_type maxsplit = -1,
62 
86 std::unique_ptr<table> rsplit(
87  strings_column_view const& strings_column,
88  string_scalar const& delimiter = string_scalar(""),
89  size_type maxsplit = -1,
92 
160 std::unique_ptr<column> split_record(
161  strings_column_view const& strings,
162  string_scalar const& delimiter = string_scalar(""),
163  size_type maxsplit = -1,
166 
239 std::unique_ptr<column> rsplit_record(
240  strings_column_view const& strings,
241  string_scalar const& delimiter = string_scalar(""),
242  size_type maxsplit = -1,
245  // end of doxygen group
247 } // namespace strings
248 } // namespace CUDF_EXPORT cudf
An owning class to represent a string in device memory.
Definition: scalar.hpp:431
Given a column-view of strings type, an instance of this class provides a wrapper on this compound co...
rmm::cuda_stream_view const get_default_stream()
Get the current default stream.
cuda::mr::async_resource_ref< cuda::mr::device_accessible > device_async_resource_ref
device_memory_resource * get_current_device_resource()
std::unique_ptr< table > rsplit(strings_column_view const &strings_column, string_scalar const &delimiter=string_scalar(""), size_type maxsplit=-1, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=rmm::mr::get_current_device_resource())
Returns a list of columns by splitting each string using the specified delimiter starting from the en...
std::unique_ptr< table > split(strings_column_view const &strings_column, string_scalar const &delimiter=string_scalar(""), size_type maxsplit=-1, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=rmm::mr::get_current_device_resource())
Returns a list of columns by splitting each string using the specified delimiter.
std::unique_ptr< column > rsplit_record(strings_column_view const &strings, string_scalar const &delimiter=string_scalar(""), size_type maxsplit=-1, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=rmm::mr::get_current_device_resource())
Splits individual strings elements into a list of strings starting from the end of each string.
std::unique_ptr< column > split_record(strings_column_view const &strings, string_scalar const &delimiter=string_scalar(""), size_type maxsplit=-1, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=rmm::mr::get_current_device_resource())
Splits individual strings elements into a list of strings.
int32_t size_type
Row index type for columns and tables.
Definition: types.hpp:95
cuDF interfaces
Definition: aggregation.hpp:35
Class definitions for cudf::scalar.
Class definition for cudf::strings_column_view.
Class definition for cudf::table.