Ted-Jiang commented on issue #3140: URL: https://github.com/apache/arrow-datafusion/issues/3140#issuecomment-1217788354
>Given operations like repartitoning and thread ordering, I don't think there is any guarantee that a particular operator will see the same data in the same order if the same query is run more than once Agree! this only happen in multi files which includes different partition finish order. I think `T-digest` merge in final aggregation is like "floating point error" different input order return different result. -- 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]
