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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-2332) If all of the parameters of distinct functions are exists in group by columns, query fails in runtime
Date Sun, 20 Jan 2013 21:10:12 GMT

    [ https://issues.apache.org/jira/browse/HIVE-2332?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13558389#comment-13558389
] 

Hudson commented on HIVE-2332:
------------------------------

Integrated in Hive-trunk-hadoop2 #77 (See [https://builds.apache.org/job/Hive-trunk-hadoop2/77/])
    HIVE-2332 : If all of the parameters of distinct functions are exists in group by columns,
query fails in runtime (Navis via Ashutosh Chauhan) (Revision 1435790)

     Result = FAILURE
hashutosh : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1435790
Files : 
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/ReduceSinkOperator.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/plan/PlanUtils.java
* /hive/trunk/ql/src/test/queries/clientpositive/groupby_distinct_samekey.q
* /hive/trunk/ql/src/test/results/clientpositive/groupby_distinct_samekey.q.out

                
> If all of the parameters of distinct functions are exists in group by columns, query
fails in runtime
> -----------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-2332
>                 URL: https://issues.apache.org/jira/browse/HIVE-2332
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 0.9.0
>            Reporter: Navis
>            Assignee: Navis
>            Priority: Blocker
>             Fix For: 0.11.0
>
>         Attachments: ASF.LICENSE.NOT.GRANTED--HIVE-2332.D663.1.patch, HIVE-2332.1.patch.txt,
HIVE-2332.2.patch.txt
>
>
> select sum(key_int1), sum(distinct key_int1) from t1 group by key_int1;
> fails with message..
> {code}
> FAILED: Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.MapRedTask
> {code}
> hadoop says..
> {code}
> Caused by: java.lang.IndexOutOfBoundsException: Index: 1, Size: 1
> 	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:95)
> 	at org.apache.hadoop.hive.serde2.objectinspector.StandardStructObjectInspector.(StandardStructObjectInspector.java:86)
> 	at org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorFactory.getStandardStructObjectInspector(ObjectInspectorFactory.java:252)
> 	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:744)
> 	at org.apache.hadoop.hive.ql.exec.TableScanOperator.processOp(TableScanOperator.java:85)
> 	at org.apache.hadoop.hive.ql.exec.Operator.process(Operator.java:471)
> 	at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:744)
> 	at org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:532)
> {code}
> I think the deficient number of key expression, compared to number of key column, is
the problem, which should be equal or more. 
> Would it be solved if add some key expression? I'll try.

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