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https://issues.apache.org/jira/browse/SPARK-10793?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran updated SPARK-10793:
-----------------------------------
    Summary: Make spark's use/subclassing of hive more maintainable  (was: Make 
sparks use/subclassing of hive more maintainable)

> Make spark's use/subclassing of hive more maintainable
> ------------------------------------------------------
>
>                 Key: SPARK-10793
>                 URL: https://issues.apache.org/jira/browse/SPARK-10793
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 1.5.0
>            Reporter: Steve Loughran
>
> The latest spark/hive integration round has closed the gap with Hive 
> versions, but the integration is still pretty complex
> # SparkSQL has deep hooks into the parser
> # hivethriftserver uses "aggressive reflection" to inject spark classes into 
> the Hive base classes.
> # there's a separate org.sparkproject.hive JAR to isolate Kryo versions while 
> avoiding the hive uberjar with all its dependencies getting into the spark 
> uberjar.
> We can improve this with some assistance from the other projects, even though 
> no guarantees of stability of things like the parser and thrift server APIs 
> are likely in the near future



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