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https://issues.apache.org/jira/browse/SPARK-29462?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon reassigned SPARK-29462:
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Assignee: Hyukjin Kwon
> 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
> Assignee: Hyukjin Kwon
> 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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