dongjoon-hyun commented on issue #27233: [WIP][SPARK-29701][SQL] Correct behaviours of group analytical queries when empty input given URL: https://github.com/apache/spark/pull/27233#issuecomment-576090323 Hi, @cloud-fan and @maropu . In this case, shall we fix the correctness issue first with AS-IS implementation? In the worst case, we can switch the implementation later.
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