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From "Ashutosh Chauhan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-8706) Table statistic collection on counter failed due to table name character case.
Date Mon, 24 Nov 2014 22:53:13 GMT

    [ https://issues.apache.org/jira/browse/HIVE-8706?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14223708#comment-14223708
] 

Ashutosh Chauhan commented on HIVE-8706:
----------------------------------------

committed to 0.14

> 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
>             Fix For: 0.15.0, 0.14.1
>
>         Attachments: HIVE-8706.1.patch
>
>
> 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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