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Posted to dev@hive.apache.org by "Viraj Bhat (JIRA)" <ji...@apache.org> on 2014/02/08 08:50:20 UTC

[jira] [Updated] (HIVE-5193) Columnar Pushdown for RC/ORC File not happening in HCatLoader

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

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

    Attachment: HIVE-5193-2.patch

Updated patch

> 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: 0.13.0
>
>         Attachments: HIVE-5193-2.patch, 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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