repeat_strings.hpp
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1 /*
2  * SPDX-FileCopyrightText: Copyright (c) 2021-2024, NVIDIA CORPORATION.
3  * SPDX-License-Identifier: Apache-2.0
4  */
5 #pragma once
6 
7 #include <cudf/scalar/scalar.hpp>
10 
11 namespace CUDF_EXPORT cudf {
12 namespace strings {
47 std::unique_ptr<string_scalar> repeat_string(
48  string_scalar const& input,
49  size_type repeat_times,
52 
78 std::unique_ptr<column> repeat_strings(
79  strings_column_view const& input,
80  size_type repeat_times,
83 
115 std::unique_ptr<column> repeat_strings(
116  strings_column_view const& input,
117  column_view const& repeat_times,
120  // end of doxygen group
122 } // namespace strings
123 } // 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...
An owning class to represent a string in device memory.
Definition: scalar.hpp:410
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.
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 > repeat_strings(strings_column_view const &input, column_view const &repeat_times, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
Repeat each string in the given strings column by the numbers of times given in another numeric colum...
std::unique_ptr< string_scalar > repeat_string(string_scalar const &input, size_type repeat_times, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
Repeat the given string scalar a given number of times.
int32_t size_type
Row index type for columns and tables.
Definition: types.hpp:84
cuDF interfaces
Definition: host_udf.hpp:26
Class definitions for cudf::scalar.
Class definition for cudf::strings_column_view.