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Posted to issues@hive.apache.org by "Johan Gustavsson (JIRA)" <ji...@apache.org> on 2015/12/14 04:03:46 UTC

[jira] [Updated] (HIVE-12664) Bug in reduce deduplication optimization causing ArrayOutOfBoundException

     [ https://issues.apache.org/jira/browse/HIVE-12664?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Johan Gustavsson updated HIVE-12664:
------------------------------------
    Attachment: HIVE-12664.patch

> Bug in reduce deduplication optimization causing ArrayOutOfBoundException
> -------------------------------------------------------------------------
>
>                 Key: HIVE-12664
>                 URL: https://issues.apache.org/jira/browse/HIVE-12664
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>    Affects Versions: 1.1.1, 1.2.1
>            Reporter: Johan Gustavsson
>            Assignee: Johan Gustavsson
>         Attachments: HIVE-12664.patch
>
>
> The optimisation check for reduce deduplication only checks the first child node for join and the check itself also contains a major bug causing ArrayOutOfBoundException no matter what.



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