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https://issues.apache.org/jira/browse/HIVE-27632?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Riju Trivedi reassigned HIVE-27632:
-----------------------------------
Assignee: Stephen Carlin
> ClassCast Exception in Vectorization converting decimal64 to decimal
> --------------------------------------------------------------------
>
> Key: HIVE-27632
> URL: https://issues.apache.org/jira/browse/HIVE-27632
> Project: Hive
> Issue Type: Bug
> Components: Vectorization
> Reporter: Riju Trivedi
> Assignee: Stephen Carlin
> Priority: Major
> Labels: pull-request-available
> Attachments: vectortest.q
>
>
> Attached [^vectortest.q] which fails with the below ClassCast Exception
> {code:java}
> Caused by: java.lang.ClassCastException:
> org.apache.hadoop.hive.ql.exec.vector.Decimal64ColumnVector cannot be cast to
> org.apache.hadoop.hive.ql.exec.vector.DecimalColumnVector
> at
> org.apache.hadoop.hive.ql.exec.vector.expressions.gen.FilterDecimalColEqualDecimalScalar.evaluate(FilterDecimalColEqualDecimalScalar.java:64)
> at
> org.apache.hadoop.hive.ql.exec.vector.VectorFilterOperator.process(VectorFilterOperator.java:125)
> at
> org.apache.hadoop.hive.ql.exec.Operator.vectorForward(Operator.java:919)
> at
> org.apache.hadoop.hive.ql.exec.TableScanOperator.process(TableScanOperator.java:171)
> at
> org.apache.hadoop.hive.ql.exec.vector.VectorMapOperator.deliverVectorizedRowBatch(VectorMapOperator.java:809)
> at
> org.apache.hadoop.hive.ql.exec.vector.VectorMapOperator.process(VectorMapOperator.java:878)
> {code}
> This seems related to HIVE-26208 , which avoids Decimal64 to Decimal
> conversion for the vector expressions that explicitly handle decimal64 types.
> However, in this scenario exception comes from
> `FilterDecimalColEqualDecimalScalar`.
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