Strings APIs for concatenate and join. More...
#include <cudf/column/column.hpp>
#include <cudf/lists/lists_column_view.hpp>
#include <cudf/scalar/scalar.hpp>
#include <cudf/strings/strings_column_view.hpp>
#include <cudf/table/table_view.hpp>
#include <rmm/mr/device/per_device_resource.hpp>
#include <rmm/resource_ref.hpp>
Go to the source code of this file.
Namespaces | |
cudf | |
cuDF interfaces | |
cudf::strings | |
Strings column APIs. | |
Enumerations | |
enum class | cudf::strings::separator_on_nulls { cudf::strings::YES , cudf::strings::NO } |
Setting for specifying how separators are added with null strings elements. More... | |
enum class | cudf::strings::output_if_empty_list { cudf::strings::EMPTY_STRING , cudf::strings::NULL_ELEMENT } |
Setting for specifying what will be output from join_list_elements when an input list is empty. More... | |
Functions | |
std::unique_ptr< column > | cudf::strings::join_strings (strings_column_view const &input, string_scalar const &separator=string_scalar(""), string_scalar const &narep=string_scalar("", false), rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=rmm::mr::get_current_device_resource()) |
Concatenates all strings in the column into one new string delimited by an optional separator string. More... | |
std::unique_ptr< column > | cudf::strings::concatenate (table_view const &strings_columns, strings_column_view const &separators, string_scalar const &separator_narep=string_scalar("", false), string_scalar const &col_narep=string_scalar("", false), separator_on_nulls separate_nulls=separator_on_nulls::YES, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=rmm::mr::get_current_device_resource()) |
Concatenates a list of strings columns using separators for each row and returns the result as a strings column. More... | |
std::unique_ptr< column > | cudf::strings::concatenate (table_view const &strings_columns, string_scalar const &separator=string_scalar(""), string_scalar const &narep=string_scalar("", false), separator_on_nulls separate_nulls=separator_on_nulls::YES, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=rmm::mr::get_current_device_resource()) |
Row-wise concatenates the given list of strings columns and returns a single strings column result. More... | |
std::unique_ptr< column > | cudf::strings::join_list_elements (lists_column_view const &lists_strings_column, strings_column_view const &separators, string_scalar const &separator_narep=string_scalar("", false), string_scalar const &string_narep=string_scalar("", false), separator_on_nulls separate_nulls=separator_on_nulls::YES, output_if_empty_list empty_list_policy=output_if_empty_list::EMPTY_STRING, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=rmm::mr::get_current_device_resource()) |
Given a lists column of strings (each row is a list of strings), concatenates the strings within each row and returns a single strings column result. More... | |
std::unique_ptr< column > | cudf::strings::join_list_elements (lists_column_view const &lists_strings_column, string_scalar const &separator=string_scalar(""), string_scalar const &narep=string_scalar("", false), separator_on_nulls separate_nulls=separator_on_nulls::YES, output_if_empty_list empty_list_policy=output_if_empty_list::EMPTY_STRING, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=rmm::mr::get_current_device_resource()) |
Given a lists column of strings (each row is a list of strings), concatenates the strings within each row and returns a single strings column result. More... | |
Strings APIs for concatenate and join.
Definition in file strings/combine.hpp.