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https://issues.apache.org/jira/browse/PIG-4408?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daniel Dai updated PIG-4408:
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Attachment: PIG-4408-3.patch
I see the problem. Pig send EOP when there is still records for the same map
input. I can reproduce with a merge join without frjoin. This should be a bug
back in the initial implementation of merge join. As for the fix, I think the
first patch should be good. Pig should handle STATUS_NULL after PIG-3568. We
can even simplify the code a little bit due to the change. I attached a new
patch based on Brian's first patch, plus a new testcase without frjoin.
> Merge join should support replicated join as a predecessor
> ----------------------------------------------------------
>
> Key: PIG-4408
> URL: https://issues.apache.org/jira/browse/PIG-4408
> Project: Pig
> Issue Type: New Feature
> Affects Versions: 0.14.0
> Reporter: Brian Johnson
> Assignee: Brian Johnson
> Fix For: 0.14.1
>
> Attachments: PIG-4408-3.patch, patch, patch
>
>
> Since a replicated join doesn't trigger a reduce or change the output
> ordering a merge join should work after it
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