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From "Prasanth J (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-7491) Stats annotation fails to evaluation constant expressions in filter operator
Date Wed, 23 Jul 2014 22:20:39 GMT
Prasanth J created HIVE-7491:
--------------------------------

             Summary: Stats annotation fails to evaluation constant expressions in filter
operator
                 Key: HIVE-7491
                 URL: https://issues.apache.org/jira/browse/HIVE-7491
             Project: Hive
          Issue Type: Sub-task
    Affects Versions: 0.14.0
            Reporter: Prasanth J
            Assignee: Prasanth J


HIVE-5369 added stats annotation to operator plan. The filter operator evaluates all expression
node descriptors and applies rules. It always returns 0 for constant expressions like 'select
* from table where true' or 'select * from table where true=true' etc. 



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