[jira] [Created] (HIVE-6421) abs() should preserve precision/scale of decimal input

[Jason Dere (JIRA)]

Jason Dere created HIVE-6421:
--------------------------------

             Summary: abs() should preserve precision/scale of decimal input
                 Key: HIVE-6421
                 URL: https://issues.apache.org/jira/browse/HIVE-6421
             Project: Hive
          Issue Type: Bug
          Components: UDF
            Reporter: Jason Dere
            Assignee: Jason Dere


{noformat}
hive> describe dec1;
OK
c1                      decimal(10,2)           None 

hive> explain select c1, abs(c1) from dec1;
 ...
            Select Operator
              expressions: c1 (type: decimal(10,2)), abs(c1) (type: 
decimal(38,18))

{noformat}

Given that abs() is a GenericUDF it should be possible for the return type 
precision/scale to match the input precision/scale.



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