thinkharderdev commented on PR #6921: URL: https://github.com/apache/arrow-rs/pull/6921#issuecomment-2626901488
> > Curiously that could some filter get a "sparse" filter evaluation result, like `[false, true, false, ...]`, which making range selection in-efficient? > > Indeed, sparse filter are slow with current RowSelection implementation, it's better to use BooleanArray for such cases. We have follow-up plan to dynamically switch between the RowSelector based and BooleanArray based filtering. #5523 This would be great. We have definitely run into the same problem -- 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]
