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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