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Posted to issues@hive.apache.org by "Ramesh Kumar Thangarajan (Jira)" <ji...@apache.org> on 2020/02/04 23:08:00 UTC
[jira] [Assigned] (HIVE-22828) Decimal64: NVL & CASE statements
implicitly convert decimal64 to 128
[ https://issues.apache.org/jira/browse/HIVE-22828?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ramesh Kumar Thangarajan reassigned HIVE-22828:
-----------------------------------------------
Assignee: Ramesh Kumar Thangarajan
> Decimal64: NVL & CASE statements implicitly convert decimal64 to 128
> ---------------------------------------------------------------------
>
> Key: HIVE-22828
> URL: https://issues.apache.org/jira/browse/HIVE-22828
> Project: Hive
> Issue Type: Bug
> Components: Vectorization
> Reporter: Gopal Vijayaraghavan
> Assignee: Ramesh Kumar Thangarajan
> Priority: Major
>
> {code}
> select
> sum(case when (ss_item_sk=1) then ss_sales_price else null end),
> sum(case when (ss_item_sk=2) then ss_sales_price else ss_sales_price+1 end),
> sum(case when (ss_item_sk=2) then 1.0BD+ss_sales_price else null end)
> from store_sales where ss_sold_date_sk % 1111 = 1;
> {code}
> {code}
> 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.DecimalColumnVector.setElement(DecimalColumnVector.java:130)
> at org.apache.hadoop.hive.ql.exec.vector.expressions.IfExprColumnNull.evaluate(IfExprColumnNull.java:125)
> at org.apache.hadoop.hive.ql.exec.vector.expressions.aggregates.VectorUDAFSumDecimal.aggregateInputSelection(VectorUDAFSumDecimal.java:113)
> at org.apache.hadoop.hive.ql.exec.vector.VectorGroupByOperator$ProcessingModeBase.processAggregators(VectorGroupByOperator.java:221)
> at org.apache.hadoop.hive.ql.exec.vector.VectorGroupByOperator$ProcessingModeHashAggregate.doProcessBatch(VectorGroupByOperator.java:414)
> {code}
> https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/VectorizationContext.java#L3950
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