Github user gatorsmile commented on the issue: https://github.com/apache/spark/pull/14363 Your concern is valid. We are missing the test cases for verifying these scenarios. I saw a discussion in a wechat group about the issue in integration between Hive and Spark. They are complaining Spark is unable to read the data wrote by Hive. In Hive refactoring, I am wondering if we also need to build the test cases to cover these cases?
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