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https://issues.apache.org/jira/browse/PIG-4377?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daniel Dai updated PIG-4377:
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Attachment: (was: PIG-4377-4.patch)
> Skewed outer join produce wrong result if a key is oversampled
> --------------------------------------------------------------
>
> 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, PIG-4377-3.patch,
> PIG-4377-4.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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