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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2022/08/21 07:04:00 UTC

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

     [ https://issues.apache.org/jira/browse/SPARK-40151?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-40151:
------------------------------------

    Assignee:     (was: Apache Spark)

> 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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