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From "Apache Spark (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (SPARK-21054) Reset Command support reset specific property which is compatible with Hive
Date Sun, 11 Jun 2017 09:22:19 GMT

     [ https://issues.apache.org/jira/browse/SPARK-21054?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Apache Spark reassigned SPARK-21054:
------------------------------------

    Assignee: Apache Spark

> Reset Command support reset specific property which is compatible with Hive
> ---------------------------------------------------------------------------
>
>                 Key: SPARK-21054
>                 URL: https://issues.apache.org/jira/browse/SPARK-21054
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 2.1.1
>            Reporter: Wang Haihua
>            Assignee: Apache Spark
>            Priority: Minor
>             Fix For: 2.1.1
>
>
> When we transfer our SQL in production from Hive to SparkSQL,  we found some SQL like
{{reset dfs.blocksize;}} will throw error in SparkSQL.
> We found cause is, 
> after SPARK-15330, Spark 2.0.0 support Reset command which will Reset all properties
and don't support {{reset key}}. 
> But after Hive 2.1.1 (HIVE-14418), Hive also support Reset Command for specific property.

> SQL compatibility with Hive will ease user more, and lower the cost that transfer SQL
from Hive to SparkSQL.



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