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From "Matt McCline (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-19951) Vectorization: Need to disable encoded LLAP I/O for ORC when there is data type conversion (Schema Evolution)
Date Tue, 26 Jun 2018 08:00:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-19951?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16523375#comment-16523375
] 

Matt McCline commented on HIVE-19951:
-------------------------------------

Patch #6 failed in Hive QA in less than 1 minute.  Infrastructure issue I assume.

> Vectorization: Need to disable encoded LLAP I/O for ORC when there is data type conversion
 (Schema Evolution)
> --------------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-19951
>                 URL: https://issues.apache.org/jira/browse/HIVE-19951
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>            Reporter: Matt McCline
>            Assignee: Matt McCline
>            Priority: Critical
>         Attachments: HIVE-19951.01.patch, HIVE-19951.02.patch, HIVE-19951.03.patch, HIVE-19951.04.patch,
HIVE-19951.05.patch, HIVE-19951.06.patch
>
>
> Currently, reading encoded ORC data does not support data type conversion.  So, encoded
reading and cache populating needs to be disabled.



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