alamb commented on issue #18482: URL: https://github.com/apache/datafusion/issues/18482#issuecomment-3491455018
Thanks for filing this ticket @animodak7 There are a few "vritual" columns I have heard people ask about before: - row_number (as you do) - filename Here are some related discussions: - https://github.com/apache/datafusion/issues/13261 - https://github.com/apache/arrow-rs/issues/7299 > Any alternative mechanism that makes per-file runtime context accessible during scan would work. I think the filename is (or could be) made available today Row numbers need support in the arrow parquet reader (though I am talking with @vustef about this shorly) -- 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]
