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https://issues.apache.org/jira/browse/HIVE-20778?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vineet Garg updated HIVE-20778:
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Status: Patch Available (was: Open)
Updated the golden files. Subquery tests have join reordering and as a result
HiveSemiJoin rule, to covert to Left Semi Join, is not kicking in from some
tests. There are other tests which now have Semi Join.
I have opened HIVE-20826 to improve HiveSemiJoin rule.
> Join reordering may not be triggered if all joins in plan are created by
> decorrelation logic
> --------------------------------------------------------------------------------------------
>
> Key: HIVE-20778
> URL: https://issues.apache.org/jira/browse/HIVE-20778
> Project: Hive
> Issue Type: Bug
> Components: CBO
> Reporter: Jesus Camacho Rodriguez
> Assignee: Vineet Garg
> Priority: Major
> Attachments: HIVE-20778.1.patch, HIVE-20778.2.patch,
> HIVE-20778.3.patch
>
>
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