[jira] [Created] (SPARK-20888) Document HiveCaseSensitiveInferenceMode.INFER_AND_SAVE in Spark SQL 2.1 to 2.2 migration notes

["Michael Allman (JIRA)" <ji...@apache.org>]

Michael Allman created SPARK-20888:
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             Summary: Document HiveCaseSensitiveInferenceMode.INFER_AND_SAVE in Spark SQL 2.1 to 2.2 migration notes
                 Key: SPARK-20888
                 URL: https://issues.apache.org/jira/browse/SPARK-20888
             Project: Spark
          Issue Type: Task
          Components: Documentation, SQL
    Affects Versions: 2.2.0
            Reporter: Michael Allman
            Priority: Critical


Spark 2.2 introduces a new default value for the SQL configuration setting, `spark.sql.hive.caseSensitiveInferenceMode`. The new default value is `HiveCaseSensitiveInferenceMode.INFER_AND_SAVE`. As this enables a behavior that differs from Spark 2.1, I believe this should be noted in the Spark SQL migration notes from 2.1 to 2.2.



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