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From "Ashutosh Chauhan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-12595) [REFACTOR] Make physical compiler more type safe
Date Fri, 04 Dec 2015 17:29:10 GMT
Ashutosh Chauhan created HIVE-12595:
---------------------------------------

             Summary: [REFACTOR] Make physical compiler more type safe
                 Key: HIVE-12595
                 URL: https://issues.apache.org/jira/browse/HIVE-12595
             Project: Hive
          Issue Type: Improvement
          Components: Physical Optimizer
    Affects Versions: 2.0.0
            Reporter: Ashutosh Chauhan
            Assignee: Ashutosh Chauhan


It seems like there are lot of usage of abstract Operator class where only possibility is
TableScanOp. This results in lot of uncertainty when that parameter is passed in and is littered
with instanceOf checks all over.



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