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Date: Sat, 18 Aug 2012 10:40:37 +1100 (NCT)
From: "Kevin Wilfong (JIRA)" <jira@apache.org>
To: hive-dev@hadoop.apache.org
Message-ID: <86811085.25709.1345246838066.JavaMail.jiratomcat@arcas>
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Subject: [jira] [Updated] (HIVE-3396) hive.stats.reliable config causes
 FileSinkOperator to fail when writing empty file
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     [ https://issues.apache.org/jira/browse/HIVE-3396?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kevin Wilfong updated HIVE-3396:
--------------------------------

    Status: Patch Available  (was: Open)
    
> hive.stats.reliable config causes FileSinkOperator to fail when writing empty file
> ----------------------------------------------------------------------------------
>
>                 Key: HIVE-3396
>                 URL: https://issues.apache.org/jira/browse/HIVE-3396
>             Project: Hive
>          Issue Type: Bug
>          Components: Statistics
>    Affects Versions: 0.10.0
>            Reporter: Kevin Wilfong
>            Assignee: Kevin Wilfong
>         Attachments: HIVE-3396.1.patch.txt
>
>
> With the configs hive.stats.reliable and hive.stats.autogather are set to true, and using either the HBase or JDBC Stats Publishers, if a FileSinkOperator does not receive any rows, and hence collects no stats, it will throw an exception.
> Related, if hive.stats.reliable is set to false it will still log a warning which seems unnecessary.
> Repro:
> create table tmptable(key string, value string) partitioned by (part string);
> set hive.stats.autogather=true;
> set hive.stats.reliable=true;
> insert overwrite table tmptable partition (part = '1') select * from src where key = 'no_such_value';

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