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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2022/05/26 15:08:00 UTC

[jira] [Commented] (SPARK-39305) Implement the EQUAL_NULL function

    [ https://issues.apache.org/jira/browse/SPARK-39305?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17542528#comment-17542528 ] 

Apache Spark commented on SPARK-39305:
--------------------------------------

User 'MaxGekk' has created a pull request for this issue:
https://github.com/apache/spark/pull/36688

> Implement the EQUAL_NULL function
> ---------------------------------
>
>                 Key: SPARK-39305
>                 URL: https://issues.apache.org/jira/browse/SPARK-39305
>             Project: Spark
>          Issue Type: New Feature
>          Components: SQL
>    Affects Versions: 3.4.0
>            Reporter: Max Gekk
>            Assignee: Max Gekk
>            Priority: Major
>
> Add new function EQUAL_NULL.
> *Returns TRUE:*
>   EQUAL_NULL( <null> , <null> )
> *Returns FALSE:*
>   EQUAL_NULL( <null> , <not_null> )
>   EQUAL_NULL( <not_null> , <null> )
> *Otherwise:*
>   EQUAL_NULL(<expr1>, <expr2>) is equivalent to <expr1> = <expr2>



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