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Posted to dev@sedona.apache.org by "Erni Durdevic (Jira)" <ji...@apache.org> on 2021/11/19 12:36:00 UTC

[jira] [Commented] (SEDONA-4) Graceful handling of null geometries in ST_Distance function

    [ https://issues.apache.org/jira/browse/SEDONA-4?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17446480#comment-17446480 ] 

Erni Durdevic commented on SEDONA-4:
------------------------------------

Is this issue still open?

> Graceful handling of null geometries in ST_Distance function
> ------------------------------------------------------------
>
>                 Key: SEDONA-4
>                 URL: https://issues.apache.org/jira/browse/SEDONA-4
>             Project: Apache Sedona
>          Issue Type: Improvement
>            Reporter: Hugh Saalmans
>            Assignee: Jia Yu
>            Priority: Minor
>
> Using the _*ST_Distance*_ function with a null geometry triggers a *java.lang.NullPointerException* error.
> Expected behaviour is for the function to return *null*.
> This is a problem in situations when you can't guarantee a geometry isn't null; such as when using _*lead*_ and _*lag*_ with windowing. The workaround is to use a case statement to test for null geoms.
> Platform tested on: AWS EMR with Pyspark 3.0.0 (Python 3.7.9) and Sedona 1.3.2 SNAPSHOT.
> I suspect this issue exists in other functions as well but haven't tested.



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