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From "H Lu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-23928) High-order function: shuffle(x) → array
Date Tue, 15 May 2018 19:07:00 GMT

    [ https://issues.apache.org/jira/browse/SPARK-23928?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16476356#comment-16476356
] 

H Lu commented on SPARK-23928:
------------------------------

[~mn-mikke] Should I consider None/null element in the array? 

> High-order function: shuffle(x) → array
> ---------------------------------------
>
>                 Key: SPARK-23928
>                 URL: https://issues.apache.org/jira/browse/SPARK-23928
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 2.3.0
>            Reporter: Xiao Li
>            Priority: Major
>
> Ref: https://prestodb.io/docs/current/functions/array.html
> Generate a random permutation of the given array x.



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