[jira] [Resolved] (SPARK-38389) Add the `DATEDIFF` and `DATE_DIFF` aliases for `TIMESTAMPDIFF()`

["Max Gekk (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-38389?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Max Gekk resolved SPARK-38389.
------------------------------
    Resolution: Fixed

Issue resolved by pull request 35709
[https://github.com/apache/spark/pull/35709]

> Add the `DATEDIFF` and `DATE_DIFF` aliases for `TIMESTAMPDIFF()`
> ----------------------------------------------------------------
>
>                 Key: SPARK-38389
>                 URL: https://issues.apache.org/jira/browse/SPARK-38389
>             Project: Spark
>          Issue Type: New Feature
>          Components: SQL
>    Affects Versions: 3.3.0
>            Reporter: Max Gekk
>            Assignee: Max Gekk
>            Priority: Major
>             Fix For: 3.3.0
>
>
> Introduce the datediff()/date_diff() function, which takes three arguments: unit, and two datetime expressions, i.e.,
> {code:sql}
> datediff(unit, startDatetime, endDatetime)
> {code}
> The function can be an alias to timestampdiff().



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