ritchie46 commented on pull request #341: URL: https://github.com/apache/arrow-rs/pull/341#issuecomment-848506037
> I mean that we no longer need to try to prune expressions of the form 1 == 1: they automatically get converted to trues, which amounts to a O(1) evaluation in the filter. (We may still do it to make the plan cleaner) This was the same reason for met doing the PR. I paid a relatively heavy price for filtering null values on a `DataFrame` that did not have any nulls (so all filter values where null). -- 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. For queries about this service, please contact Infrastructure at: [email protected]
