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https://issues.apache.org/jira/browse/PIG-4377?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14534662#comment-14534662
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Rohini Palaniswamy commented on PIG-4377:
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+1.
[~daijy],
Can you put more details in the description about the problem inplace of
"under certain condition" and also add a small description of what the fix
does? It would be easy for future reference instead of having to read through
the patch.
> Skewed outer join produce wrong result in some cases
> ----------------------------------------------------
>
> Key: PIG-4377
> URL: https://issues.apache.org/jira/browse/PIG-4377
> Project: Pig
> Issue Type: Bug
> Components: impl
> Reporter: Daniel Dai
> Assignee: Daniel Dai
> Fix For: 0.15.0
>
> Attachments: PIG-4377-1.patch, PIG-4377-2.patch, reproduce.patch
>
>
> Skewed outer join produce more than expected rows under certain condition.
> The extra rows contain null left relation. Can be reproduced reliably with
> reproduce.patch (run SkewedJoin_11).
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