[jira] [Created] (TAJO-1946) Change Projectable::setTargets and getTargets to set and get List

[Hyunsik Choi (JIRA)]

Hyunsik Choi created TAJO-1946:
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             Summary: Change Projectable::setTargets and getTargets to set and 
get List<Target>
                 Key: TAJO-1946
                 URL: https://issues.apache.org/jira/browse/TAJO-1946
             Project: Tajo
          Issue Type: Sub-task
          Components: Planner/Optimizer
            Reporter: Hyunsik Choi


See TAJO-1938. It would simplify lots of codes for 'for-loop' on Targets if we 
change {{Projectable::setTargets}} and {{getTargets}} to set and get 
{{List<Target>}}.



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