[jira] [Created] (HIVE-11569) Use PreOrderOnceWalker where feasible

[Ashutosh Chauhan (JIRA)]

Ashutosh Chauhan created HIVE-11569:
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             Summary: Use PreOrderOnceWalker where feasible
                 Key: HIVE-11569
                 URL: https://issues.apache.org/jira/browse/HIVE-11569
             Project: Hive
          Issue Type: Improvement
          Components: Logical Optimizer
            Reporter: Ashutosh Chauhan
            Assignee: Ashutosh Chauhan


Because of its early exit criteria it has better performance than 
{{PreOrderWalker}} 



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