Dandandan commented on issue #13449: URL: https://github.com/apache/datafusion/issues/13449#issuecomment-2481088752
For the queries it seems also possible (but tricky) if the cardinality is high enough (i.e. copying into aggregation columns doesn't reduce memory usage very much), to first execute the aggregation, keep original data in `RecordBatch`es and delay the materialization of other columns until at the end. -- 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]
