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Posted to issues@spark.apache.org by "Max Gekk (Jira)" <ji...@apache.org> on 2022/05/26 14:38:00 UTC

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

Max Gekk created SPARK-39305:
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             Summary: 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


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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