Edward Capriolo created HIVE-4937:
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             Summary: Create description annotations for vectorized UDF
                 Key: HIVE-4937
                 URL: https://issues.apache.org/jira/browse/HIVE-4937
             Project: Hive
          Issue Type: Test
            Reporter: Edward Capriolo
            Assignee: Eric Hanson


Vectorized UDFs should technically be close to the same as normal UDFs, but 
that is not guaranteed. For example a standard UDF might have multiple 
overloads that the vectorized version does not.

When users run things like 'describe function' they may not be getting the 
correct information depending if they are in vectorized mode or not.

[~ehans] I assigned this to you feel free to unassign it, but I think we need 
some internal documentation for vectorized UDFs.

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