mingmwang commented on issue #4372: URL: https://github.com/apache/arrow-datafusion/issues/4372#issuecomment-1327403395
I think it is better to propagate it, or we can have a default predicate selectivity(many other DB systems take this approach). Otherwise the Statistics estimation system will be very brittle, the high level operates can not derive the stats. -- 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]
