[jira] Commented: (HIVE-186) Refactor code to use a single graph, nodeprocessor, dispatcher and rule abstraction

["Namit Jain (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-186?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12658699#action_12658699 ] 

Namit Jain commented on HIVE-186:
---------------------------------

+1

> 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, patch-186_2.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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