[jira] [Resolved] (SPARK-23573) Create linter rule to prevent misuse of SparkContext.hadoopConfiguration in SQL modules

["Xiao Li (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-23573?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xiao Li resolved SPARK-23573.
-----------------------------
       Resolution: Duplicate
         Assignee: Gengliang Wang
    Fix Version/s: 2.4.0

> 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
>            Assignee: Gengliang Wang
>            Priority: Major
>             Fix For: 2.4.0
>
>
> 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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