Github user fhueske commented on the pull request: https://github.com/apache/flink/pull/1553#issuecomment-193658558 Hi @ramkrish86, I totally understand that you are disappointed. I'm very sorry to raise these concerns this late after you put a lot of effort into this PR. I should have noticed this issue much earlier :-( Touching the optimizer is always a little bit like open heart surgery and must be done very carefully with the whole picture in mind. I have not completely investigated the possible side effects yet, but will definitely let you know once I have. Would you like to work on a different issue in the meantime?
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