Rich-T-kid commented on PR #21765: URL: https://github.com/apache/datafusion/pull/21765#issuecomment-4662528621
This provides a performance increase in every case where dictionary arrays are expected to be used — low to medium cardinality. If the data is high cardinality, dictionary arrays are the wrong data type. I don't think it'd be possible to get the best of both worlds in this case. -- 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] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
