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From "Pamela Vagata (JIRA)" <>
Subject [jira] [Assigned] (HIVE-4245) Implement numeric dictionaries in ORC
Date Thu, 28 Mar 2013 19:07:16 GMT


Pamela Vagata reassigned HIVE-4245:

    Assignee: Pamela Vagata  (was: Owen O'Malley)
> Implement numeric dictionaries in ORC
> -------------------------------------
>                 Key: HIVE-4245
>                 URL:
>             Project: Hive
>          Issue Type: New Feature
>          Components: Serializers/Deserializers
>            Reporter: Owen O'Malley
>            Assignee: Pamela Vagata
> For many applications, especially in de-normalized data, there is a lot of redundancy
in the numeric columns. Therefore, it would make sense to adaptively use dictionary encodings
for numeric columns in addition to string columns.

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