[jira] [Created] (HIVE-8478) Vectorized Reduce-Side Group By doesn't handle Decimal type correctly

[Matt McCline (JIRA)]

Matt McCline created HIVE-8478:
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             Summary: Vectorized Reduce-Side Group By doesn't handle Decimal 
type correctly
                 Key: HIVE-8478
                 URL: https://issues.apache.org/jira/browse/HIVE-8478
             Project: Hive
          Issue Type: Bug
          Components: Vectorization
    Affects Versions: 0.14.0
            Reporter: Matt McCline
            Assignee: Matt McCline
            Priority: Critical
             Fix For: 0.14.0


Note that DecimalColumnVector is different than LongColumnVector because it 
keeps (an instance) reference to a Decimal128 class whereas the latter stores a 
long primitive value. So, trouble if you set the reference instead of updating 
the object.



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