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Posted to issues@spark.apache.org by "Ramanand Jaiswal (Jira)" <ji...@apache.org> on 2019/11/19 05:46:00 UTC
[jira] [Commented] (SPARK-29955) Can't cast String MapType to
MapType
[ https://issues.apache.org/jira/browse/SPARK-29955?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16977135#comment-16977135 ]
Ramanand Jaiswal commented on SPARK-29955:
------------------------------------------
cc: [~sowen] [dongjoon-hyun|https://github.com/apache/spark/commits?author=dongjoon-hyun]
> Can't cast String MapType to MapType
> ------------------------------------
>
> Key: SPARK-29955
> URL: https://issues.apache.org/jira/browse/SPARK-29955
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.4.4
> Reporter: Ramanand Jaiswal
> Priority: Major
>
> I'm not able to cast the String Map type to MapType.
> {code:java}
> dataset.withColumn("test", dataset.col("test").cast(DataTypes.createMapType(StringType, StringType)));
> {code}
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