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From "Ashish Thusoo (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HIVE-186) Refactor code to use a single graph, nodeprocessor, dispatcher and rule abstraction
Date Thu, 18 Dec 2008 02:36:46 GMT

     [ https://issues.apache.org/jira/browse/HIVE-186?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ashish Thusoo updated HIVE-186:
-------------------------------

    Status: Patch Available  (was: Open)

submitting patch.

> Refactor code to use a single graph, nodeprocessor, dispatcher and rule abstraction
> -----------------------------------------------------------------------------------
>
>                 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
>         Attachments: patch-186.txt
>
>
> 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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