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From "Namit Jain (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-878) Update the hash table entry before flushing in Group By hash aggregation
Date Thu, 15 Oct 2009 05:56:31 GMT

    [ https://issues.apache.org/jira/browse/HIVE-878?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12765921#action_12765921
] 

Namit Jain commented on HIVE-878:
---------------------------------

The changes look good, will commit if the tests pass

> Update the hash table entry before flushing in Group By hash aggregation
> ------------------------------------------------------------------------
>
>                 Key: HIVE-878
>                 URL: https://issues.apache.org/jira/browse/HIVE-878
>             Project: Hadoop Hive
>          Issue Type: Bug
>    Affects Versions: 0.4.0, 0.5.0
>            Reporter: Zheng Shao
>            Assignee: Zheng Shao
>            Priority: Critical
>             Fix For: 0.4.1, 0.5.0
>
>         Attachments: HIVE-878.1.patch
>
>
> This is a newly introduced bug from r796133.
> We should first update the aggregation, and then we can flush the hash table. Otherwise
the entry that we update might be already out of the hash table.

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