NGA-TRAN commented on issue #18777: URL: https://github.com/apache/datafusion/issues/18777#issuecomment-3544558992
> - Detect Pattern of Aggregate Final -> Some Nodes -> Aggregate Partial > - Extract the GROUP BY column expressions from aggregate > - For each input partitions check the min max ranges to see if they are overlapping > - If they aren't parallelize -> replace the patter with Aggregate SinglePartitioned Sound good. Question: Can the `SinglePartitioned` mode handle multiple partitions in parallel? This is the key goal we want to achieve. -- 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]
