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Posted to issues@spark.apache.org by "Yang Jie (Jira)" <ji...@apache.org> on 2021/02/05 06:47:00 UTC

[jira] [Created] (SPARK-34374) Use standard methods to extract keys or values from a Map.

Yang Jie created SPARK-34374:
--------------------------------

             Summary: 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


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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