Rui Li created HIVE-17383:
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Summary: ArrayIndexOutOfBoundsException in VectorGroupByOperator
Key: HIVE-17383
URL: https://issues.apache.org/jira/browse/HIVE-17383
Project: Hive
Issue Type: Bug
Reporter: 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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