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From "Gunther Hagleitner (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-10005) remove some unnecessary branches from the inner loop
Date Mon, 06 Apr 2015 22:38:13 GMT

     [ https://issues.apache.org/jira/browse/HIVE-10005?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gunther Hagleitner updated HIVE-10005:
--------------------------------------
    Attachment: HIVE-10005.4.patch

> remove some unnecessary branches from the inner loop
> ----------------------------------------------------
>
>                 Key: HIVE-10005
>                 URL: https://issues.apache.org/jira/browse/HIVE-10005
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Gunther Hagleitner
>            Assignee: Gunther Hagleitner
>         Attachments: HIVE-10005.1.patch, HIVE-10005.2.patch, HIVE-10005.3.patch, HIVE-10005.4.patch
>
>
> Operator.forward is doing too much. There's no reason to do the "done" checking per row
and update it inline. It's much more efficient to just do that when the event that completes
an operator happens.



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