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https://issues.apache.org/jira/browse/HIVE-22120?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ramesh Kumar Thangarajan reassigned HIVE-22120:
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> Fix wrong results/ArrayOutOfBound exception in left outer map joins on
> specific boundary conditions
> ---------------------------------------------------------------------------------------------------
>
> Key: HIVE-22120
> URL: https://issues.apache.org/jira/browse/HIVE-22120
> Project: Hive
> Issue Type: Bug
> Components: Hive, llap, Vectorization
> Affects Versions: 4.0.0
> Reporter: Ramesh Kumar Thangarajan
> Assignee: Ramesh Kumar Thangarajan
> Priority: Major
>
> Vectorized version of left outer map join produces wrong results or
> encounters ArrayOutOfBound exception.
> The boundary conditions are:
> * The complete batch of the big table should have the join key repeated for
> all the join columns.
> * The complete batch of the big table should have not have a matched key
> value in the small table
> * The repeated value should not be a null value
> * Some rows should be filtered out as part of the on clause filter.
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