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From "Ashutosh Chauhan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-10038) Add Calcite's ProjectMergeRule.
Date Fri, 20 Mar 2015 21:44:40 GMT
Ashutosh Chauhan created HIVE-10038:
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             Summary: Add Calcite's ProjectMergeRule.
                 Key: HIVE-10038
                 URL: https://issues.apache.org/jira/browse/HIVE-10038
             Project: Hive
          Issue Type: New Feature
          Components: CBO, Logical Optimizer
            Reporter: Ashutosh Chauhan
            Assignee: Ashutosh Chauhan


Helps to improve latency by shortening operator pipeline. Folds adjacent projections in one.



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