find.hpp
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16 #pragma once
17 
18 #include <cudf/column/column.hpp>
19 #include <cudf/scalar/scalar.hpp>
21 
23 #include <rmm/resource_ref.hpp>
24 
25 namespace CUDF_EXPORT cudf {
26 namespace strings {
56 std::unique_ptr<column> find(
57  strings_column_view const& input,
58  string_scalar const& target,
59  size_type start = 0,
60  size_type stop = -1,
63 
87 std::unique_ptr<column> rfind(
88  strings_column_view const& input,
89  string_scalar const& target,
90  size_type start = 0,
91  size_type stop = -1,
94 
115 std::unique_ptr<column> find(
116  strings_column_view const& input,
117  strings_column_view const& target,
118  size_type start = 0,
121 
137 std::unique_ptr<column> contains(
138  strings_column_view const& input,
139  string_scalar const& target,
142 
162 std::unique_ptr<column> contains(
163  strings_column_view const& input,
164  strings_column_view const& targets,
167 
184 std::unique_ptr<column> starts_with(
185  strings_column_view const& input,
186  string_scalar const& target,
189 
210 std::unique_ptr<column> starts_with(
211  strings_column_view const& input,
212  strings_column_view const& targets,
215 
232 std::unique_ptr<column> ends_with(
233  strings_column_view const& input,
234  string_scalar const& target,
237 
258 std::unique_ptr<column> ends_with(
259  strings_column_view const& input,
260  strings_column_view const& targets,
264 } // namespace strings
265 } // 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...
Class definition for cudf::column.
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< column > ends_with(strings_column_view const &input, strings_column_view const &targets, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=rmm::mr::get_current_device_resource())
Returns a column of boolean values for each string where true indicates corresponding string in targe...
std::unique_ptr< column > starts_with(strings_column_view const &input, strings_column_view const &targets, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=rmm::mr::get_current_device_resource())
Returns a column of boolean values for each string where true indicates corresponding string in targe...
std::unique_ptr< column > contains(strings_column_view const &input, strings_column_view const &targets, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=rmm::mr::get_current_device_resource())
Returns a column of boolean values for each string where true indicates the corresponding target stri...
std::unique_ptr< column > rfind(strings_column_view const &input, string_scalar const &target, size_type start=0, size_type stop=-1, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=rmm::mr::get_current_device_resource())
Returns a column of character position values where the target string is first found searching from t...
std::unique_ptr< column > find(strings_column_view const &input, strings_column_view const &target, size_type start=0, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=rmm::mr::get_current_device_resource())
Returns a column of character position values where the target string is first found in the correspon...
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.