Hyunsik Choi created TAJO-1639:
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             Summary: LogicalPlan should have table description for persistent 
storage
                 Key: TAJO-1639
                 URL: https://issues.apache.org/jira/browse/TAJO-1639
             Project: Tajo
          Issue Type: Sub-task
            Reporter: Hyunsik Choi
            Assignee: Hyunsik Choi


In Tajo, all query results are finally stored into a persistent storage. So, 
logical planners and its related codes frequently use persistent storage 
information like TableDesc. But, there basically is no information in 
LogicalPlan. We should  instantly use PlannerUtil.getTableDesc or 
PlannerUtil.getStoreType to get persistent storage information. If LogicalPlan 
has this information, the code would be simpler.



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