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From "Rui Li (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HIVE-17383) ArrayIndexOutOfBoundsException in VectorGroupByOperator
Date Thu, 31 Aug 2017 02:23:02 GMT

     [ https://issues.apache.org/jira/browse/HIVE-17383?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rui Li reassigned HIVE-17383:
-----------------------------

    Assignee: Rui Li

> ArrayIndexOutOfBoundsException in VectorGroupByOperator
> -------------------------------------------------------
>
>                 Key: HIVE-17383
>                 URL: https://issues.apache.org/jira/browse/HIVE-17383
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Rui Li
>            Assignee: Rui Li
>
> Query to reproduce:
> {noformat}
> set hive.cbo.enable=false;
> select count(*) from (select key from src group by key) s where s.key='98';
> {noformat}
> The stack trace is:
> {noformat}
> Caused by: java.lang.ArrayIndexOutOfBoundsException: 1
> 	at org.apache.hadoop.hive.ql.exec.vector.VectorGroupKeyHelper.copyGroupKey(VectorGroupKeyHelper.java:107)
> 	at org.apache.hadoop.hive.ql.exec.vector.VectorGroupByOperator$ProcessingModeReduceMergePartial.doProcessBatch(VectorGroupByOperator.java:831)
> 	at org.apache.hadoop.hive.ql.exec.vector.VectorGroupByOperator$ProcessingModeBase.processBatch(VectorGroupByOperator.java:174)
> 	at org.apache.hadoop.hive.ql.exec.vector.VectorGroupByOperator.process(VectorGroupByOperator.java:1046)
> 	at org.apache.hadoop.hive.ql.exec.tez.ReduceRecordSource.processVectorGroup(ReduceRecordSource.java:462)
> 	... 18 more
> {noformat}
> More details can be found in HIVE-16823



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