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https://issues.apache.org/jira/browse/SPARK-23573?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiao Li updated SPARK-23573:
----------------------------
    Summary: Create linter rule to prevent misuse of 
SparkContext.hadoopConfiguration in SQL modules  (was: Ban the usage of 
SparkContext.hadoopConfiguration)

> Create linter rule to prevent misuse of SparkContext.hadoopConfiguration in 
> SQL modules
> ---------------------------------------------------------------------------------------
>
>                 Key: SPARK-23573
>                 URL: https://issues.apache.org/jira/browse/SPARK-23573
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 2.4.0
>            Reporter: Xiao Li
>            Priority: Major
>
> SparkContext.hadoopConfiguration should not be used directly in SQL module.
> Instead, one should always use sessionState.newHadoopConfiguration(), which 
> blends in configs set per session.
> The idea is to add the linter rule to ban it. 
> - Restrict the linter rule to the components that use SQL. use the parameter 
> `scalastyleSources`?
> - Exclude genuinely valid uses, like e.g. in SessionState (ok, that can be 
> done per case with scalastyle:off in the code.



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