Laljo John Pullokkaran created HIVE-12590:
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Summary: Repeated UDAFs with literals can produce incorrect result
Key: HIVE-12590
URL: https://issues.apache.org/jira/browse/HIVE-12590
Project: Hive
Issue Type: Bug
Components: Query Planning
Affects Versions: 1.2.1, 1.1.1, 1.0.1, 2.0.0
Reporter: Laljo John Pullokkaran
Assignee: Laljo John Pullokkaran
Priority: Critical
Repeated UDAF with literals could produce wrong result.
This is not a common use case, nevertheless a bug.
hive> select max('pants'), max('pANTS') from t1 group by key;
Total MapReduce CPU Time Spent: 0 msec
OK
pANTS pANTS
pANTS pANTS
pANTS pANTS
pANTS pANTS
pANTS pANTS
Time taken: 296.252 seconds, Fetched: 5 row(s)
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