A wrapper class for operations on a dictionary column. More...
#include <dictionary_column_view.hpp>
Inheritance diagram for cudf::dictionary_column_view:
Public Member Functions | |
| dictionary_column_view (column_view const &dictionary_column) | |
| dictionary_column_view (dictionary_column_view &&dictionary_view)=default | |
| dictionary_column_view (const dictionary_column_view &dictionary_view)=default | |
| dictionary_column_view & | operator= (dictionary_column_view const &)=default |
| dictionary_column_view & | operator= (dictionary_column_view &&)=default |
| column_view | parent () const noexcept |
| Returns the parent column. | |
| column_view | indices () const noexcept |
| Returns the column of indices. | |
| column_view | get_indices_annotated () const noexcept |
| Returns a column_view combining the indices data with offset, size, and nulls from the parent. | |
| column_view | keys () const noexcept |
| Returns the column of keys. | |
| data_type | keys_type () const noexcept |
Returns the data_type of the keys child column. | |
| size_type | keys_size () const noexcept |
| Returns the number of rows in the keys column. | |
Static Public Attributes | |
| static constexpr size_type | indices_column_index {0} |
| static constexpr size_type | keys_column_index {1} |
Detailed Description
A wrapper class for operations on a dictionary column.
A dictionary column contains a set of keys and a column of indices. The keys are a sorted set of unique values for the column. The indices represent the corresponding positions of each element's value in the keys.
Definition at line 40 of file dictionary_column_view.hpp.
The documentation for this class was generated from the following file:
