Dandandan commented on issue #18411: URL: https://github.com/apache/datafusion/issues/18411#issuecomment-3665163754
> > I think this is an interasting obervation as well - l_returnflag and l_linestatus could... > > Is there a mechanism in DataFusion already to carry the necessary meta information from the table all the way to the aggregation? The Arrow physical types alone aren't sufficiently rich to model that. At this point, I think no. Thinking about it, I think also Parquet decoding could be made more efficient from this info as well (into primitive byte array instead of utf8 view, no utf8 validation needed). -- 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]
