Github user marmbrus commented on the pull request:
https://github.com/apache/spark/pull/10630#issuecomment-174630543
I don't think its a problem for there to be conflicting attribute ids for
set operations, this is because only on childs attribute references need to be
propagated up (unlike with a join).
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
