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Posted to dev@hive.apache.org by "Gunther Hagleitner (JIRA)" <ji...@apache.org> on 2014/05/16 13:19:25 UTC

[jira] [Updated] (HIVE-7071) Use custom Tez input initializer to support schema evolution

     [ https://issues.apache.org/jira/browse/HIVE-7071?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gunther Hagleitner updated HIVE-7071:
-------------------------------------

    Status: Patch Available  (was: Open)

> Use custom Tez input initializer to support schema evolution
> ------------------------------------------------------------
>
>                 Key: HIVE-7071
>                 URL: https://issues.apache.org/jira/browse/HIVE-7071
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Gunther Hagleitner
>            Assignee: Gunther Hagleitner
>         Attachments: HIVE-7071.1.patch
>
>
> Right now we're falling back to combinehivefileinputformat and switch of am side grouping when there's different schemata in a single vertex. We need to handle this in a custom initializer so we can still group on the AM.



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