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https://issues.apache.org/jira/browse/SPARK-23736?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiao Li updated SPARK-23736:
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Summary: High-order function: concat(array1, array2, ..., arrayN) → array
(was: Extension of the concat function to support array columns)
> High-order function: concat(array1, array2, ..., arrayN) → array
> ----------------------------------------------------------------
>
> Key: SPARK-23736
> URL: https://issues.apache.org/jira/browse/SPARK-23736
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 2.4.0
> Reporter: Marek Novotny
> Priority: Major
>
> Extend the _concat_ function to also support array columns.
> Example:
> {{concat(array(1, 2, 3), array(10, 20, 30), array(100, 200)) => [1, 2, 3,10,
> 20, 30,100, 200] }}
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