xingyu-long opened a new issue, #46572: URL: https://github.com/apache/arrow/issues/46572
### Describe the enhancement requested Related PR for this issue: https://github.com/apache/arrow/pull/46566 Arrow cpp does have Expression support in its Join API https://github.com/apache/arrow/blob/9907f375f78483f06a703817b678354670a2c54a/python/pyarrow/includes/libarrow_acero.pxd#L70-L77 In the python code, it's not exposed, it would be good if we can have this in python too. https://github.com/apache/arrow/blob/9907f375f78483f06a703817b678354670a2c54a/python/pyarrow/_acero.pyx#L339-L346 ### Component(s) Python -- 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: issues-unsubscr...@arrow.apache.org.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org