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