Github user gatorsmile commented on the issue: https://github.com/apache/spark/pull/13415 @cloud-fan @andrewor14 In this scenario, we do not have the case sensitivity issues. All the catalog columns are converted to lower case by https://github.com/apache/spark/blob/d109a1beeef5bca1e683247e0a5db4ec841bf3ba/sql/core/src/main/scala/org/apache/spark/sql/execution/SparkSqlParser.scala#L1230 I remember we gave up the case sensitivity support in this release. Let me know if you have any question regarding the current implementation. Thanks!
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