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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