JkSelf commented on pull request #30432: URL: https://github.com/apache/spark/pull/30432#issuecomment-731989232
> We already did. We don't coalesce shuffles if canChangeNumPartitions return false. The `canChangeNumPartitions ` return true when call the `repartition(col)`. So aqe will coalesce shuffles and change the user-specified partitioning to `UnknownPartitioning `. ---------------------------------------------------------------- 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. For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
