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From "Gang Tim Liu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-3073) Hive List Bucketing - DML support
Date Sat, 01 Dec 2012 00:03:59 GMT

     [ https://issues.apache.org/jira/browse/HIVE-3073?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gang Tim Liu updated HIVE-3073:
-------------------------------

    Attachment: HIVE-3073.patch.21
    
> Hive List Bucketing - DML support 
> ----------------------------------
>
>                 Key: HIVE-3073
>                 URL: https://issues.apache.org/jira/browse/HIVE-3073
>             Project: Hive
>          Issue Type: New Feature
>          Components: SQL
>    Affects Versions: 0.10.0
>            Reporter: Gang Tim Liu
>            Assignee: Gang Tim Liu
>         Attachments: HIVE-3073.patch.12, HIVE-3073.patch.13, HIVE-3073.patch.15, HIVE-3073.patch.18,
HIVE-3073.patch.19, HIVE-3073.patch.21
>
>
> If a hive table column has skewed keys, query performance on non-skewed key is always
impacted. Hive List Bucketing feature will address it:
> https://cwiki.apache.org/Hive/listbucketing.html
> This jira issue will track DML change for the feature:
> 1. single skewed column
> 2. manual load data

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