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https://issues.apache.org/jira/browse/HIVE-4371?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13635934#comment-13635934
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Navis commented on HIVE-4371:
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[~namit] Ran all tests and passed. I cannot see anything wrong in aliases of
QBJoinTree.
{noformat}
TS1(b)-RS1\
TS2(c)-RS2-JOIN1-RS4\
TS3(a)-RS3/ JOIN2
TS4(d)-RS5/
JOIN2 (L=null, R=d, Ls=[a,b,c], Base=d)
{noformat}
In this, posBig should be 0(d) or 1(null), not 2(c) in other join context.
> some issue with merging join trees
> ----------------------------------
>
> Key: HIVE-4371
> URL: https://issues.apache.org/jira/browse/HIVE-4371
> Project: Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 0.11.0
> Reporter: Namit Jain
> Assignee: Navis
> Attachments: HIVE-4371.D10323.1.patch
>
>
> [~navis], I would really appreciate if you can take a look.
> I am attaching a testcase, for which in the optimizer the join context left
> aliases and right aliases do not look correct.
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