Attila Magyar created HIVE-22094:
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Summary: Mondrian queries failing with ClassCastException:
hive.ql.exec.vector.DecimalColumnVector cannot be cast to
hive.ql.exec.vector.Decimal64ColumnVector
Key: HIVE-22094
URL: https://issues.apache.org/jira/browse/HIVE-22094
Project: Hive
Issue Type: Task
Components: Hive
Reporter: Attila Magyar
Assignee: Attila Magyar
Fix For: 4.0.0
When running a query like this
select sum(salary.salary_paid) from salary, employee_closure where
salary.employee_id = employee_closure.employee_id;
with hive.auto.convert.join=true and hive.vectorized.execution.enabled=true the
following exception occurs
{code:java}
Caused by: java.lang.ClassCastException:
org.apache.hadoop.hive.ql.exec.vector.DecimalColumnVector cannot be cast to
org.apache.hadoop.hive.ql.exec.vector.Decimal64ColumnVector
at
org.apache.hadoop.hive.ql.exec.vector.expressions.aggregates.VectorUDAFSumDecimal64ToDecimal.aggregateInput(VectorUDAFSumDecimal64ToDecimal.java:320)
at
org.apache.hadoop.hive.ql.exec.vector.VectorGroupByOperator$ProcessingModeBase.processAggregators(VectorGroupByOperator.java:217)
at
org.apache.hadoop.hive.ql.exec.vector.VectorGroupByOperator$ProcessingModeHashAggregate.doProcessBatch(VectorGroupByOperator.java:414)
at
org.apache.hadoop.hive.ql.exec.vector.VectorGroupByOperator$ProcessingModeBase.processBatch(VectorGroupByOperator.java:182)
at
org.apache.hadoop.hive.ql.exec.vector.VectorGroupByOperator.process(VectorGroupByOperator.java:1124)
at org.apache.hadoop.hive.ql.exec.Operator.vectorForward(Operator.java:919)
at
org.apache.hadoop.hive.ql.exec.vector.mapjoin.VectorMapJoinGenerateResultOperator.forwardOverflow(VectorMapJoinGenerateResultOperator.java:706)
at
org.apache.hadoop.hive.ql.exec.vector.mapjoin.VectorMapJoinInnerBigOnlyGenerateResultOperator.generateHashMultiSetResultMultiValue(VectorMapJoinInnerBigOnlyGenerateResultOperator.java:268)
at
org.apache.hadoop.hive.ql.exec.vector.mapjoin.VectorMapJoinInnerBigOnlyGenerateResultOperator.finishInnerBigOnly(VectorMapJoinInnerBigOnlyGenerateResultOperator.java:180)
at
org.apache.hadoop.hive.ql.exec.vector.mapjoin.VectorMapJoinInnerBigOnlyLongOperator.processBatch(VectorMapJoinInnerBigOnlyLongOperator.java:379)
... 28 more{code}
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