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Posted to dev@hive.apache.org by "Edward Capriolo (JIRA)" <ji...@apache.org> on 2013/05/21 16:57:16 UTC

[jira] [Created] (HIVE-4584) CombineHiveInputFormat queries hang when table is empty and aggregation function is used

Edward Capriolo created HIVE-4584:
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             Summary: CombineHiveInputFormat queries hang when table is empty and aggregation function is used
                 Key: HIVE-4584
                 URL: https://issues.apache.org/jira/browse/HIVE-4584
             Project: Hive
          Issue Type: Bug
            Reporter: Edward Capriolo
            Priority: Blocker


Running hadoop 0.20.2. Hive 0.10. The new default is combined input format. When you aggregate and empty table, or a table not empty with an empty partition the query produces 0 maps and 1 reduce and hangs forever. 

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