Github user suyanNone commented on the pull request:
https://github.com/apache/spark/pull/8923#issuecomment-214655571
Revert set to Stack, and add test case.
Revert set to Stack, for we should build map stage from bottom to
up(Stack), not a random(Set structure).
---
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]
