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Posted to issues@spark.apache.org by "Michael Allman (JIRA)" <ji...@apache.org> on 2017/05/25 17:25:04 UTC

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

    [ https://issues.apache.org/jira/browse/SPARK-20888?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16025059#comment-16025059 ] 

Michael Allman commented on SPARK-20888:
----------------------------------------

I will work on a PR for this and try to get it in ASAP.

> 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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