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Posted to dev@hive.apache.org by "Gunther Hagleitner (JIRA)" <ji...@apache.org> on 2014/05/16 13:19:26 UTC
[jira] [Updated] (HIVE-7071) Use custom Tez split generator 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:
-------------------------------------
Summary: Use custom Tez split generator to support schema evolution (was: Use custom Tez input initializer to support schema evolution)
> Use custom Tez split generator 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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