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From "Rui Li (JIRA)" <>
Subject [jira] [Created] (HIVE-17383) ArrayIndexOutOfBoundsException in VectorGroupByOperator
Date Thu, 24 Aug 2017 11:30:00 GMT
Rui Li created HIVE-17383:

             Summary: ArrayIndexOutOfBoundsException in VectorGroupByOperator
                 Key: HIVE-17383
             Project: Hive
          Issue Type: Bug
            Reporter: Rui Li

Query to reproduce:
set hive.cbo.enable=false;
select count(*) from (select key from src group by key) s where s.key='98';
The stack trace is:
Caused by: java.lang.ArrayIndexOutOfBoundsException: 1
	at org.apache.hadoop.hive.ql.exec.vector.VectorGroupKeyHelper.copyGroupKey(
	at org.apache.hadoop.hive.ql.exec.vector.VectorGroupByOperator$ProcessingModeReduceMergePartial.doProcessBatch(
	at org.apache.hadoop.hive.ql.exec.vector.VectorGroupByOperator$ProcessingModeBase.processBatch(
	at org.apache.hadoop.hive.ql.exec.vector.VectorGroupByOperator.process(
	at org.apache.hadoop.hive.ql.exec.tez.ReduceRecordSource.processVectorGroup(
	... 18 more
More details can be found in HIVE-16823

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