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cudf::io::string_statistics Struct Reference

Statistics for string columns. More...

#include <orc_metadata.hpp>

Inheritance diagram for cudf::io::string_statistics:
cudf::io::minmax_statistics< std::string > cudf::io::sum_statistics< int64_t >

Additional Inherited Members

- Public Attributes inherited from cudf::io::minmax_statistics< std::string >
std::optional< std::string > minimum
 Minimum value.
 
std::optional< std::string > maximum
 Maximum value.
 
- Public Attributes inherited from cudf::io::sum_statistics< int64_t >
std::optional< int64_t > sum
 Sum of values in column.
 

Detailed Description

Statistics for string columns.

The minimum and maximum are the first and last elements, respectively, in lexicographical order. The sum is the total length of elements in the column. Note: According to ORC specs, the sum should be signed, but pyarrow uses unsigned value

Definition at line 117 of file orc_metadata.hpp.


The documentation for this struct was generated from the following file: