pitrou commented on issue #45287: URL: https://github.com/apache/arrow/issues/45287#issuecomment-2616491863
> I assume that each file is at least one chunk, but one file can map to multiple chunks if it contains more than one row group? From what I can read in the Dataset source code (but it's quite complex), the row groups for each file will actually be concatenated and then chunked according to `ScanOptions::batch_size`. -- 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: github-unsubscr...@arrow.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
