liurenjie1024 commented on issue #1972: URL: https://github.com/apache/arrow-datafusion/issues/1972#issuecomment-1120632395
Also some other problems with egg: 1. cascades optimizers is not just enumeration of equivalent logical/physical plans, it has some techniques for branch-bounding, e.g. skip alternatives with higher cost 2. Some algorithms may need to customize memo data structure, such as materialized view matching algorithm: https://dl.acm.org/doi/abs/10.1145/1066157.1066179 -- 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]
