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https://issues.apache.org/jira/browse/SPARK-34374?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17279401#comment-17279401
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Apache Spark commented on SPARK-34374:
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User 'LuciferYang' has created a pull request for this issue:
https://github.com/apache/spark/pull/31484
> Use standard methods to extract keys or values from a Map.
> ----------------------------------------------------------
>
> Key: SPARK-34374
> URL: https://issues.apache.org/jira/browse/SPARK-34374
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.2.0
> Reporter: Yang Jie
> Priority: Minor
>
> For keys：
> *before*
> {code:scala}
> map.map(_._1)
> {code}
> *after*
> {code:java}
> map.keys
> {code}
> For values:
> {code:scala}
> map.map(_._2)
> {code}
> *after*
> {code:java}
> map.values
> {code}
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