alamb commented on issue #18830: URL: https://github.com/apache/datafusion/issues/18830#issuecomment-3559639507
The semantics of pushing predicates through (outer) joins is notoriously subtle (specifically you need to ensure no rows are filtered out prior to the join that are then are-introduced by the join) So we have to be super careful to make sure such optimizations are correct in all cases. More discussion is here: - https://github.com/apache/datafusion/pull/18848#discussion_r2547340274 -- 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] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
