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https://issues.apache.org/jira/browse/HIVE-20069?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zoltan Haindrich updated HIVE-20069:
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Summary: Fix reoptimization in case of DPP and Semijoin optimization (was:
Fix reoptimization in case of DPP)
> Fix reoptimization in case of DPP and Semijoin optimization
> -----------------------------------------------------------
>
> Key: HIVE-20069
> URL: https://issues.apache.org/jira/browse/HIVE-20069
> Project: Hive
> Issue Type: Bug
> Components: Query Planning
> Reporter: Zoltan Haindrich
> Assignee: Zoltan Haindrich
> Priority: Major
> Attachments: HIVE-20069.01.patch, HIVE-20069.02.patch,
> HIVE-20069.02.patch
>
>
> reported by [~t3rmin4t0r]
> In case dynamic partition pruning; the operator statistics became partial; to
> only reflect the actually scanned partitions; but they are being used as an
> information about the "full" table...which leads to the exchange of the 2
> tables being joined...which is really unfortunate...
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