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From "Sean R. Owen (Jira)" <j...@apache.org>
Subject [jira] [Resolved] (SPARK-29462) The data type of "array()" should be array<null>
Date Wed, 30 Oct 2019 16:31:00 GMT

     [ https://issues.apache.org/jira/browse/SPARK-29462?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sean R. Owen resolved SPARK-29462.
----------------------------------
    Resolution: Not A Problem

> The data type of "array()" should be array<null>
> ------------------------------------------------
>
>                 Key: SPARK-29462
>                 URL: https://issues.apache.org/jira/browse/SPARK-29462
>             Project: Spark
>          Issue Type: Task
>          Components: SQL
>    Affects Versions: 3.0.0
>            Reporter: Gengliang Wang
>            Priority: Minor
>
> In the current implmentation:
> > spark.sql("select array()")
> res0: org.apache.spark.sql.DataFrame = [array(): array<string>]
> The output type should be array<null>



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