Vikram Dixit K created HIVE-5973:
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Summary: SMB joins produce incorrect results with multiple
partitions and buckets
Key: HIVE-5973
URL: https://issues.apache.org/jira/browse/HIVE-5973
Project: Hive
Issue Type: Bug
Components: Query Processor
Affects Versions: 0.13.0
Reporter: Vikram Dixit K
Assignee: Vikram Dixit K
Fix For: 0.13.0
It looks like there is an issue with re-using the output object array in the
select operator. When we read rows of the non-big tables, we hold on to the
output object in the priority queue. This causes hive to produce incorrect
results because all the elements in the priority queue refer to the same object
and the join happens on only one of the buckets.
{noformat}
output[i] = eval[i].evaluate(row);
{noformat}
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