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From "Viraj Bhat (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-5193) Columnar Pushdown for RC/ORC File not happening in HCatLoader
Date Fri, 18 Oct 2013 19:06:43 GMT

     [ https://issues.apache.org/jira/browse/HIVE-5193?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Viraj Bhat updated HIVE-5193:
-----------------------------

    Attachment: HIVE-5193.patch

Patch conforming to trunk and branch-0.12. Only the org.apache.hive.hcatalog classes have
changed.

> Columnar Pushdown for RC/ORC File not happening in HCatLoader 
> --------------------------------------------------------------
>
>                 Key: HIVE-5193
>                 URL: https://issues.apache.org/jira/browse/HIVE-5193
>             Project: Hive
>          Issue Type: Improvement
>          Components: HCatalog
>    Affects Versions: 0.10.0, 0.11.0, 0.12.0
>            Reporter: Viraj Bhat
>            Assignee: Viraj Bhat
>              Labels: hcatalog
>             Fix For: 0.12.0, 0.13.0
>
>         Attachments: HIVE-5193.patch
>
>
> Currently the HCatLoader is not taking advantage of the ColumnProjectionUtils. where
it could skip columns during read. The information is available in Pig it just needs to get
to the Readers.
> Viraj



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