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https://issues.apache.org/jira/browse/HIVE-25582?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhihua Deng reassigned HIVE-25582:
----------------------------------


> Empty result when using offset limit with MR
> --------------------------------------------
>
>                 Key: HIVE-25582
>                 URL: https://issues.apache.org/jira/browse/HIVE-25582
>             Project: Hive
>          Issue Type: Bug
>          Components: Operators
>    Affects Versions: 4.0.0
>            Reporter: Zhihua Deng
>            Assignee: Zhihua Deng
>            Priority: Major
>
> The _mr.ObjectCache_ caches nothing, every time when the limit [retrieving 
> global counter from the 
> cache|https://github.com/apache/hive/blob/7b3ecf617a6d46f48a3b6f77e0339fd4ad95a420/ql/src/java/org/apache/hadoop/hive/ql/exec/LimitOperator.java#L150-L161],
>  a new AtomicInteger will be returned. This make offset _<= 
> currentCountForAllTasksInt_ always __ be __ evaluated to false_,_ as _offset 
> > 0_, the operator will skip all rows.



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