turboFei commented on issue #25863: [SPARK-28945][SPARK-29037][CORE][SQL] Fix the issue that spark gives duplicate result and support concurrent file source write operations write to different partitions in the same table. URL: https://github.com/apache/spark/pull/25863#issuecomment-535990285 I have tried make dir before doing this check, and thrown exception when it existed. But when exception thrown after that, I can not ensure it would be cleaned up. And it may cause other job fail. I will try to find other solution.
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