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https://issues.apache.org/jira/browse/HIVE-8706?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chengxiang Li reassigned HIVE-8706:
-----------------------------------
Assignee: Chengxiang Li
> Table statistic collection on counter failed due to table name character case.
> ------------------------------------------------------------------------------
>
> Key: HIVE-8706
> URL: https://issues.apache.org/jira/browse/HIVE-8706
> Project: Hive
> Issue Type: Bug
> Affects Versions: 0.13.1
> Reporter: Chengxiang Li
> Assignee: Chengxiang Li
>
> Hive ignore table name character case, transfer table name to lowercase in
> metastore, while Counters/TezCounters are character case sensitive. This
> difference may lead to table statistic collection failed, as when Hive
> collection table statistic based on Counters, and hive use table name as the
> group name of counter.
> ctas.q is an example, during the INSERT OVERWRITE TABLE sql execution, table
> name contains uppercase characters, Hive gather table statistic in
> FileSinkOperator with uppercase table name(translated from sql), and
> aggregate table statistic in StatsTask with lowercase table name(from
> metastore), which would failed table statistic collection.
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