Github user fhueske commented on the pull request:
https://github.com/apache/flink/pull/1255#issuecomment-151177199
Hi, I left a few comments inside.
I don't think we need the special user code to extract keys. The
comparators provide this functionality and can be generated within the
JobGraphGenerator.
Let me know what you think.
---
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.
---
