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https://issues.apache.org/jira/browse/HIVE-14228?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15378810#comment-15378810
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Lefty Leverenz commented on HIVE-14228:
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[~ashutoshc], fix version includes 2.1.1 but I don't see the patch in github
branch-2.1 and only got email about the commit to master. Are you planning to
push to branch-2.1 later?
> Better row count estimates for outer join during physical planning
> ------------------------------------------------------------------
>
> Key: HIVE-14228
> URL: https://issues.apache.org/jira/browse/HIVE-14228
> Project: Hive
> Issue Type: Improvement
> Components: Physical Optimizer
> Affects Versions: 1.2.0, 2.0.0, 2.1.0
> Reporter: Ashutosh Chauhan
> Assignee: Ashutosh Chauhan
> Fix For: 2.2.0, 2.1.1
>
> Attachments: HIVE-14228.patch
>
>
> Currently, row counts for all join types are estimated as if they are inner
> join. We need to update that logic to take into account different join types.
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