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From "Ashish Thusoo (JIRA)" <j...@apache.org>
Subject [jira] Created: (HIVE-186) Refactor code to use a single graph, nodeprocessor, dispatcher and rule abstraction
Date Thu, 18 Dec 2008 02:00:52 GMT
Refactor code to use a single graph, nodeprocessor, dispatcher and rule abstraction
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                 Key: HIVE-186
                 URL: https://issues.apache.org/jira/browse/HIVE-186
             Project: Hadoop Hive
          Issue Type: Improvement
          Components: Query Processor
            Reporter: Ashish Thusoo
            Assignee: Ashish Thusoo


Currently, the query processor has two different tree and rule abstractions - one for ASTs
and one for Operator Graphs. We should clean this up so that we have a single abstraction
that can be reused at different stages in the query compiler.

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