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https://issues.apache.org/jira/browse/HIVE-17383?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rui Li updated HIVE-17383:
--------------------------
Status: Patch Available (was: Open)
> 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
> Attachments: HIVE-17383.1.patch
>
>
> 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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