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https://issues.apache.org/jira/browse/HIVE-18629?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sergey Shelukhin reassigned HIVE-18629:
---------------------------------------


> copyValues in BytesColumnVector may be missing null checks
> ----------------------------------------------------------
>
>                 Key: HIVE-18629
>                 URL: https://issues.apache.org/jira/browse/HIVE-18629
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>            Priority: Major
>
> {noformat}
> Caused by: java.lang.NullPointerException
>       at java.lang.System.arraycopy(Native Method)
>       at 
> org.apache.hadoop.hive.ql.exec.vector.BytesColumnVector.setVal(BytesColumnVector.java:173)
>       at 
> org.apache.hadoop.hive.ql.exec.vector.BytesColumnVector.copySelected(BytesColumnVector.java:333)
>       at 
> org.apache.hadoop.hive.ql.exec.vector.expressions..evaluate(IfExprStringGroupColumnStringGroupColumn.java:83)
>       at 
> org.apache.hadoop.hive.ql.exec.vector.VectorSelectOperator.process(VectorSelectOperator.java:133)
> {noformat}
> IfExprStringGroupColumnStringGroupColumn code below the v1.isRepeating case 
> has isNull checks for v2/v3 buffers that copySelected is missing. 



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