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https://issues.apache.org/jira/browse/PIG-3761?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13898404#comment-13898404
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Mark Wagner commented on PIG-3761:
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What are your thoughts on handling this as part of the JoinPackager instead of
in the Comparator? It seems like that might make the fact that we're handling
null specially more explicit, which could help maintainability in the future.
Are there any cases where we'll have the same index from two different
relations? We haven't really been using the indices explicitly in the Tez
branch, so I'm not sure how reliable they are.
> Outer join fail on tez
> ----------------------
>
> Key: PIG-3761
> URL: https://issues.apache.org/jira/browse/PIG-3761
> Project: Pig
> Issue Type: Sub-task
> Components: tez
> Reporter: Daniel Dai
> Assignee: Daniel Dai
> Fix For: tez-branch
>
> Attachments: PIG-3761-1.patch
>
>
> Null is not equal in terms of join. Need to change comparator to do that. e2e
> Join_9, Join_10, Join_11 are manifests for this issue.
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