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From "Jesus Camacho Rodriguez (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-12044) Extend HivePreFilteringRule to cover more cases
Date Tue, 06 Oct 2015 10:35:27 GMT
Jesus Camacho Rodriguez created HIVE-12044:
----------------------------------------------

             Summary: Extend HivePreFilteringRule to cover more cases
                 Key: HIVE-12044
                 URL: https://issues.apache.org/jira/browse/HIVE-12044
             Project: Hive
          Issue Type: Bug
          Components: CBO
    Affects Versions: 2.0.0
            Reporter: Jesus Camacho Rodriguez
            Assignee: Jesus Camacho Rodriguez


The logic of traversing expressions (ExtractCommonOperands) is not recursive and misses many
of the use cases.

Also check for comparison need to take in to account functions (ex: ((x+y)=10 and z=1) or
((x+y)=10 and z=2) ).

Cc'ed [~jpullokkaran]



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