[jira] [Commented] (SPARK-40151) Fix return type for new median(interval) function

["Apache Spark (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-40151?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17582481#comment-17582481 ] 

Apache Spark commented on SPARK-40151:
--------------------------------------

User 'MaxGekk' has created a pull request for this issue:
https://github.com/apache/spark/pull/37595

> Fix return type for new median(interval) function 
> --------------------------------------------------
>
>                 Key: SPARK-40151
>                 URL: https://issues.apache.org/jira/browse/SPARK-40151
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>    Affects Versions: 3.4.0
>            Reporter: Serge Rielau
>            Priority: Critical
>
> median() right now returns an interval of the same type as the input.
> We should instead match mean and avg():
> The result type is computed as for the arguments:
> - year-month interval: The result is an `INTERVAL YEAR TO MONTH`.
> - day-time interval: The result is an `INTERVAL DAY TO SECOND`.
> - In all other cases the result is a DOUBLE.



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