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https://issues.apache.org/jira/browse/HIVE-13936?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yongzhi Chen updated HIVE-13936:
--------------------------------
Resolution: Fixed
Fix Version/s: 2.2.0
Status: Resolved (was: Patch Available)
Thanks Chaoyu review the code, push into master
> Add streaming support for row_number
> ------------------------------------
>
> Key: HIVE-13936
> URL: https://issues.apache.org/jira/browse/HIVE-13936
> Project: Hive
> Issue Type: Bug
> Components: Query Processor
> Reporter: Johndee Burks
> Assignee: Yongzhi Chen
> Fix For: 2.2.0
>
> Attachments: HIVE-13936.1.patch
>
>
> Without this support row_number will cause heap issues in reducers. Example
> query below against 10 million records will cause failure.
> {code}
> select a, row_number() over (partition by a order by a desc) as row_num from
> j100mil;
> {code}
> Same issue different function in JIRA HIVE-7062
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