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From "Gang Tim Liu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-3514) Refactor Partition Pruner so that logic can be reused.
Date Wed, 03 Oct 2012 18:22:08 GMT

     [ https://issues.apache.org/jira/browse/HIVE-3514?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gang Tim Liu updated HIVE-3514:
-------------------------------

    Status: Patch Available  (was: In Progress)

Patch is available on both attachment and D5727. thanks
                
> Refactor Partition Pruner so that logic can be reused.
> ------------------------------------------------------
>
>                 Key: HIVE-3514
>                 URL: https://issues.apache.org/jira/browse/HIVE-3514
>             Project: Hive
>          Issue Type: Improvement
>          Components: Query Processor
>            Reporter: Gang Tim Liu
>            Assignee: Gang Tim Liu
>            Priority: Minor
>         Attachments: HIVE-3514.patch, HIVE-3514.patch.2
>
>
> Partition Pruner has logic reusable like
> 1. walk through operator tree
> 2. walk through operation tree
> 3. create pruning predicate
> The first candidate is list bucketing pruner.
> Some consideration:
> 1. refactor for general use case not just list bucketing
> 2. avoid over-refactor by focusing on pieces targeted for reuse

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