nealrichardson commented on pull request #11704: URL: https://github.com/apache/arrow/pull/11704#issuecomment-968974033
> > > * A nested field ref cannot be used as a key/target of an aggregation or join. > > > > > > If I project `a = struct_col.some_nested_field` in one step, can I then aggregate `a`? > > Yes, you can (I just pushed a test to confirm that). Excellent. Can you note that on the PR description then? (i.e. you can't directly use a nested field ref there but you can project and then use what you projected) -- 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]
