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https://issues.apache.org/jira/browse/HIVE-17651?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zoltan Haindrich updated HIVE-17651:
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Summary: TableScanOperator might miss vectorization on flag (was: Profile
TableScanOperator in case stats gathering is on)
> TableScanOperator might miss vectorization on flag
> --------------------------------------------------
>
> Key: HIVE-17651
> URL: https://issues.apache.org/jira/browse/HIVE-17651
> Project: Hive
> Issue Type: Sub-task
> Reporter: Zoltan Haindrich
> Assignee: Zoltan Haindrich
> Attachments: HIVE-17651.01ex.patch, HIVE-17651.02rc.patch,
> HIVE-17651.02rc.patch, HIVE-17651.03.patch
>
>
> It seems to me that there might be some overhead when the operator is
> gathering the stats;
> also check: it seems that in case vectorization is on ; the collected
> rowcount would be invalid
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