Github user cloud-fan commented on the issue:
https://github.com/apache/spark/pull/20541
I think the use case is, by pushing projects into Union, we are more likely
to combine adjacent Unions. So I don't think we need to improve it to push part
of the project list and still leave a project above Union.--- --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
