Gopal V created HIVE-12751:
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             Summary: Fix NVL explain syntax
                 Key: HIVE-12751
                 URL: https://issues.apache.org/jira/browse/HIVE-12751
             Project: Hive
          Issue Type: Bug
            Reporter: Gopal V


{code}
predicate: (not if (key = '238') is null returnsfalse) (type: boolean)
{code}

At best is confusing to a user who used an {{NVL}} udf. The best representation 
is {{NVL(a,b)}} as is.



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