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From "Matt McCline (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-19946) VectorizedRowBatchCtx.recordIdColumnVector cannot be shared between different JVMs
Date Thu, 21 Jun 2018 17:56:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-19946?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16519641#comment-16519641
] 

Matt McCline commented on HIVE-19946:
-------------------------------------

+1 tests pending.

> VectorizedRowBatchCtx.recordIdColumnVector cannot be shared between different JVMs
> ----------------------------------------------------------------------------------
>
>                 Key: HIVE-19946
>                 URL: https://issues.apache.org/jira/browse/HIVE-19946
>             Project: Hive
>          Issue Type: Bug
>          Components: Transactions
>    Affects Versions: 3.0.0
>            Reporter: Teddy Choi
>            Assignee: Teddy Choi
>            Priority: Major
>         Attachments: HIVE-19946.1.patch
>
>
> VectorizedRowBatchCtx.recordIdColumnVector was used temporarily to pass record id column,
which is virtual, between a reducer and a mapper. However, when the reducer and the mapper
are not in a same JVM, it makes incorrect results.



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