Github user fhueske commented on the issue: https://github.com/apache/flink/pull/2810 Hi @tonycox, the plan choice issues might be related to FLINK-5226. I have a PR pending to fix this issue: #2926. You could try to built your PR on top of my PR (or for the sake of simplicity simply copy the changes). Please let me know if that solves the problem. If not, I'll be happy to check our your branch to investigate what is going wrong.
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