[jira] [Created] (TAJO-1057) Function and UDF mechanism should not use Datum as parameter and return values

[Hyunsik Choi (JIRA)]

Hyunsik Choi created TAJO-1057:
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             Summary: Function and UDF mechanism should not use Datum as 
parameter and return values
                 Key: TAJO-1057
                 URL: https://issues.apache.org/jira/browse/TAJO-1057
             Project: Tajo
          Issue Type: Sub-task
          Components: function/udf
            Reporter: Hyunsik Choi
             Fix For: block_iteration


The current function and UDF mechanism uses Datum as function arguments and 
return values. For more efficient processing, we should not use Datum objects 
and instead we should use Java primitive values. 



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