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https://issues.apache.org/jira/browse/HIVE-26573?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17618357#comment-17618357
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Sungwoo commented on HIVE-26573:
--------------------------------
How did you create your TPC-DS dataset? I tested with the commit of Oct 11 in
the master branch, and the query is compiled successfully and returns the
result.
> ClassCastException error on window function
> -------------------------------------------
>
> Key: HIVE-26573
> URL: https://issues.apache.org/jira/browse/HIVE-26573
> Project: Hive
> Issue Type: Bug
> Components: HiveServer2
> Reporter: Steve Carlin
> Priority: Major
> Labels: pull-request-available
> Time Spent: 50m
> Remaining Estimate: 0h
>
> The following query from the tpcds dataset is throwing an exception:
> select
> SUM (i_current_price)
> OVER (ORDER BY i_item_sk) running_total
> from item
> limit 10
> with the error
> E 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
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