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https://issues.apache.org/jira/browse/HIVE-7546?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Laljo John Pullokkaran updated HIVE-7546:
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Summary: CBO: Pull partition and column stats regardless of hive conf
settings (was: Pull partition and column stats regardless of hive conf
settings)
> CBO: Pull partition and column stats regardless of hive conf settings
> ---------------------------------------------------------------------
>
> Key: HIVE-7546
> URL: https://issues.apache.org/jira/browse/HIVE-7546
> Project: Hive
> Issue Type: Sub-task
> Reporter: Gunther Hagleitner
> Assignee: Gunther Hagleitner
> Attachments: HIVE-7546.1.patch
>
>
> Because of performance reasons we have flags to avoid loading certain stats
> when requested. That's fine for the join selection algo, but CBO needs these
> stats.
> This patch separates the two so that CBO can fetch the stats it needs and the
> regular stats annotation can be controlled via flags.
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