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From "Namit Jain (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-3649) Hive List Bucketing - enhance DDL to specify list bucketing table
Date Thu, 08 Nov 2012 09:30:13 GMT

    [ https://issues.apache.org/jira/browse/HIVE-3649?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13493061#comment-13493061
] 

Namit Jain commented on HIVE-3649:
----------------------------------

+1
                
> Hive List Bucketing - enhance DDL to specify list bucketing table
> -----------------------------------------------------------------
>
>                 Key: HIVE-3649
>                 URL: https://issues.apache.org/jira/browse/HIVE-3649
>             Project: Hive
>          Issue Type: New Feature
>    Affects Versions: 0.10.0
>            Reporter: Gang Tim Liu
>             Fix For: 0.10.0
>
>         Attachments: HIVE-3649.patch.4, HIVE-3649.patch.6, HIVE-3649.patch.7, HIVE-3649.patch.8
>
>
> We need to differ normal skewed table from list bucketing table. we use an optional parameter
"store as DIRECTORIES"
> 4 main cases:
> 1. create table <name> skewed by .. on .. stored as directories;
> 2. alter table <name> skewed by .. on .. stored as directories;
> 3. alter table <name> not skewed;
> 4. alter table <name> not stored as directories;
> details in https://cwiki.apache.org/confluence/display/Hive/ListBucketing

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