[jira] [Created] (SPARK-2665) Add EqualNS support for HiveQL

[Cheng Hao (JIRA)]

Cheng Hao created SPARK-2665:
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             Summary: Add EqualNS support for HiveQL
                 Key: SPARK-2665
                 URL: https://issues.apache.org/jira/browse/SPARK-2665
             Project: Spark
          Issue Type: New Feature
          Components: SQL
            Reporter: Cheng Hao


Hive Supports the operator "<=>", which returns same result with EQUAL(=) 
operator for non-null operands, but returns TRUE if both are NULL, FALSE if one 
of the them is NULL.



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