Github user fhueske commented on the issue:
https://github.com/apache/flink/pull/3520
OK, I thought about this. Let's stick to your mutable list approach. As you
said it is safe, i.e., in worst case the table source does not remove
expressions and we'll have a bit of overhead due to the unnecessary filters.
---
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 infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---
