[jira] [Commented] (HIVE-4237) Hive cannot support following query, and will throw java.lang.IndexOutOfBoundsException in org.apache.hadoop.hive.serde2.objectinspector.StandardStructObjectInspector

["Navis (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-4237?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13616073#comment-13616073 ] 

Navis commented on HIVE-4237:
-----------------------------

Seemed HIVE-2332 and working well in trunk. Could you try?
                
> Hive cannot support following query, and will throw java.lang.IndexOutOfBoundsException in org.apache.hadoop.hive.serde2.objectinspector.StandardStructObjectInspector
> ----------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-4237
>                 URL: https://issues.apache.org/jira/browse/HIVE-4237
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor, Serializers/Deserializers
>    Affects Versions: 0.9.0
>         Environment: Hive 0.9.0 on JDK 1.6.0_35
>            Reporter: Yong Zhang
>            Priority: Minor
>
> Recently, I was helping one of my colleague to fix one Hive issue. I have to admit that the query didn't do what was planned, but I don't think it should break the hive.
> For a hive table, the following query will break
> select count(distinct columnA), columnB from table group by columnA, columnB
> I know the correct query should be 
> select count(distinct columnA), columnB from table group by columnB
> But even in the incorrect query, hive should return me 1 as the unique count of columnA for every columnB, but instead, it breaks with the following stack trace:
> Caused by: java.lang.IndexOutOfBoundsException: Index: 2, Size: 2
>         at java.util.ArrayList.RangeCheck(ArrayList.java:547)
>         at java.util.ArrayList.get(ArrayList.java:322)
>         at org.apache.hadoop.hive.serde2.objectinspector.StandardStructObjectInspector.init(StandardStructObjectInspector.java:118)
>         at org.apache.hadoop.hive.serde2.objectinspector.StandardStructObjectInspector.<init>(StandardStructObjectInspector.java:106)
>         at org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorFactory.getStandardStructObjectInspector(ObjectInspectorFactory.java:274)
>         at org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorFactory.getStandardStructObjectInspector(ObjectInspectorFactory.java:259)
>         at org.apache.hadoop.hive.ql.exec.ReduceSinkOperator.initEvaluatorsAndReturnStruct(ReduceSinkOperator.java:188)
>         at org.apache.hadoop.hive.ql.exec.ReduceSinkOperator.processOp(ReduceSinkOperator.java:197)
>         at org.apache.hadoop.hive.ql.exec.Operator.process(Operator.java:471)
>         at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:762)
>         at org.apache.hadoop.hive.ql.exec.GroupByOperator.forward(GroupByOperator.java:959)
>         at org.apache.hadoop.hive.ql.exec.GroupByOperator.closeOp(GroupByOperator.java:1005)

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