[jira] [Commented] (SPARK-2969) Make ScalaReflection be able to handle MapType.containsNull and MapType.valueContainsNull.

["Apache Spark (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-2969?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14092671#comment-14092671 ] 

Apache Spark commented on SPARK-2969:
-------------------------------------

User 'ueshin' has created a pull request for this issue:
https://github.com/apache/spark/pull/1889

> Make ScalaReflection be able to handle MapType.containsNull and MapType.valueContainsNull.
> ------------------------------------------------------------------------------------------
>
>                 Key: SPARK-2969
>                 URL: https://issues.apache.org/jira/browse/SPARK-2969
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>            Reporter: Takuya Ueshin
>
> Make {{ScalaReflection}} be able to handle like:
> - Seq\[Int] as ArrayType(IntegerType, containsNull = false)
> - Seq\[java.lang.Integer] as ArrayType(IntegerType, containsNull = true)
> - Map\[Int, Long] as MapType(IntegerType, LongType, valueContainsNull = false)
> - Map\[Int, java.lang.Long] as MapType(IntegerType, LongType, valueContainsNull = true)



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