[jira] [Assigned] (SPARK-28086) Adds `random()` sql function

["Hyukjin Kwon (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-28086?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyukjin Kwon reassigned SPARK-28086:
------------------------------------

    Assignee: Dongjoon Hyun

> Adds `random()` sql function
> ----------------------------
>
>                 Key: SPARK-28086
>                 URL: https://issues.apache.org/jira/browse/SPARK-28086
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 3.0.0
>            Reporter: Dylan Guedes
>            Assignee: Dongjoon Hyun
>            Priority: Major
>
> Currently, Spark does not have a `random()` function. Postgres, however, does.
> For instance, this one is not valid:
> {code:sql}
> SELECT rank() OVER (ORDER BY rank() OVER (ORDER BY random()))
> {code}
> Because of the `random()` call. On the other hand, [Postgres has it.|https://www.postgresql.org/docs/8.2/functions-math.html]



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