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https://issues.apache.org/jira/browse/HIVE-22094?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Attila Magyar updated HIVE-22094:
---------------------------------
Status: Patch Available (was: Open)
> 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
> Priority: Major
> Fix For: 4.0.0
>
> Attachments: HIVE-22094.1.patch
>
>
> 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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