peter-toth opened a new pull request, #9876: URL: https://github.com/apache/arrow-datafusion/pull/9876
## Which issue does this PR close? Closes https://github.com/apache/arrow-datafusion/issues/9457 ## Rationale for this change The current implementation of `Expr::map_children()` is very complex, this PR tries to simplify its code. ## What changes are included in this PR? This PR adds a `map_until_stop_and_collect()` macro, which is similar to `TransformedIterator::map_until_stop_and_collect()` to process sibling tree nodes, but it can process heterogeneous tree node containing expressions. ## Are these changes tested? Yes, with existing UTs. ## Are there any user-facing changes? No. -- 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]
