kou commented on issue #38837: URL: https://github.com/apache/arrow/issues/38837#issuecomment-2094971169
It seems that DuckDB uses HyperLogLog for computing distinct count: https://github.com/duckdb/duckdb/blob/d26007417b7770860ae78278c898d2ecf13f08fd/src/include/duckdb/storage/statistics/distinct_statistics.hpp#L25-L26 It may be the reason why "Approximate" is included here. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
