char_types.hpp
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16 #pragma once
17 
18 #include <cudf/column/column.hpp>
19 #include <cudf/scalar/scalar.hpp>
22 
23 #include <rmm/mr/device/per_device_resource.hpp>
24 #include <rmm/resource_ref.hpp>
25 
26 namespace cudf {
27 namespace strings {
66 std::unique_ptr<column> all_characters_of_type(
67  strings_column_view const& input,
70  rmm::cuda_stream_view stream = cudf::get_default_stream(),
71  rmm::device_async_resource_ref mr = rmm::mr::get_current_device_resource());
72 
112 std::unique_ptr<column> filter_characters_of_type(
113  strings_column_view const& input,
114  string_character_types types_to_remove,
115  string_scalar const& replacement = string_scalar(""),
117  rmm::cuda_stream_view stream = cudf::get_default_stream(),
118  rmm::device_async_resource_ref mr = rmm::mr::get_current_device_resource());
119  // end of doxygen group
121 } // namespace strings
122 } // namespace 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.
std::unique_ptr< column > filter_characters_of_type(strings_column_view const &input, string_character_types types_to_remove, string_scalar const &replacement=string_scalar(""), string_character_types types_to_keep=string_character_types::ALL_TYPES, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=rmm::mr::get_current_device_resource())
Filter specific character types from a column of strings.
std::unique_ptr< column > all_characters_of_type(strings_column_view const &input, string_character_types types, string_character_types verify_types=string_character_types::ALL_TYPES, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=rmm::mr::get_current_device_resource())
Returns a boolean column identifying strings entries in which all characters are of the type specifie...
string_character_types
Character type values. These types can be or'd to check for any combination of types.
@ ALL_TYPES
all character types
cuDF interfaces
Definition: aggregation.hpp:34
Class definitions for cudf::scalar.
Class definition for cudf::strings_column_view.