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Posted to issues@spark.apache.org by "Hyukjin Kwon (JIRA)" <ji...@apache.org> on 2019/07/25 11:56:00 UTC

[jira] [Assigned] (SPARK-28497) Disallow upcasting complex data types to string type

     [ https://issues.apache.org/jira/browse/SPARK-28497?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyukjin Kwon reassigned SPARK-28497:
------------------------------------

    Assignee: Gengliang Wang

> Disallow upcasting complex data types to string type
> ----------------------------------------------------
>
>                 Key: SPARK-28497
>                 URL: https://issues.apache.org/jira/browse/SPARK-28497
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 3.0.0
>            Reporter: Gengliang Wang
>            Assignee: Gengliang Wang
>            Priority: Minor
>
> In the current implementation. complex types like Array/Map/StructType are allowed to upcast as StringType.
> This is not safe casting. We should disallow it.



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