Github user fhueske commented on the pull request:
https://github.com/apache/flink/pull/1097#issuecomment-140343995
Thanks for the PR @mliesenberg!
Can you add the checks (and tests to verify the checks are working) that I
mentioned in my comments?
The original JIRA issue also included type checks. I think we could
restrict those to Java primitives (Integer, Long, Double, Float, Boolean).
I would be OK with adding this PR without type checks (and opening another
JIRA for that) but it would be a cool feature if you'd like to add that.
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