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https://issues.apache.org/jira/browse/TAJO-227?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jinho Kim updated TAJO-227:
---------------------------
Fix Version/s: 0.2-incubating
> Can't use group by column alias
> -------------------------------
>
> Key: TAJO-227
> URL: https://issues.apache.org/jira/browse/TAJO-227
> Project: Tajo
> Issue Type: Bug
> Reporter: kim hyoung jun
> Fix For: 0.2-incubating
>
>
> I ran the bellow query which uses column alias and group by.
> {code}
> select b.n_name as nation, count(*) as cnt
> from customer_100 a, nation_100 b
> where a.c_nationkey = b.n_nationkey
> group by b.n_name
> order by cnt desc
> limit 7
> {code}
> This query doesn't end. I found next error message in tajo worker's log.
> {code}
> 2013-10-02 21:41:21,804 INFO planner.PhysicalPlannerImpl
> (PhysicalPlannerImpl.java:createBestAggregationPlan(606)) - The planner
> chooses [Hash Aggregation]
> 2013-10-02 21:41:21,804 INFO planner.PhysicalPlannerImpl
> (PhysicalPlannerImpl.java:createInMemoryHashAggregation(558)) - The planner
> chooses [Hash Aggregation]
> 2013-10-02 21:41:21,808 ERROR worker.Task (Task.java:run(389)) -
> java.lang.ArrayIndexOutOfBoundsException: 1
> at
> org.apache.tajo.engine.planner.physical.AggregationExec.<init>(AggregationExec.java:86)
> at
> org.apache.tajo.engine.planner.physical.HashAggregateExec.<init>(HashAggregateExec.java:48)
> at
> org.apache.tajo.engine.planner.PhysicalPlannerImpl.createInMemoryHashAggregation(PhysicalPlannerImpl.java:559)
> at
> org.apache.tajo.engine.planner.PhysicalPlannerImpl.createBestAggregationPlan(PhysicalPlannerImpl.java:607)
> at
> org.apache.tajo.engine.planner.PhysicalPlannerImpl.createGroupByPlan(PhysicalPlannerImpl.java:553)
> at
> org.apache.tajo.engine.planner.PhysicalPlannerImpl.createPlanRecursive(PhysicalPlannerImpl.java:148)
> at
> org.apache.tajo.engine.planner.PhysicalPlannerImpl.createPlanRecursive(PhysicalPlannerImpl.java:152)
> at
> org.apache.tajo.engine.planner.PhysicalPlannerImpl.createPlanRecursive(PhysicalPlannerImpl.java:169)
> at
> org.apache.tajo.engine.planner.PhysicalPlannerImpl.createPlan(PhysicalPlannerImpl.java:74)
> at
> org.apache.tajo.worker.TajoQueryEngine.createPlan(TajoQueryEngine.java:47)
> at org.apache.tajo.worker.Task.run(Task.java:378)
> at org.apache.tajo.worker.TaskRunner$2.run(TaskRunner.java:364)
> at java.lang.Thread.run(Thread.java:662)
> 2013-10-02 21:41:21,808 INFO worker.Task (Task.java:run(434)) - Task Counter
> - total:11, succeeded: 10, failed: 1
> 2013-10-02 21:41:21,808 INFO worker.TaskRunner (TaskRunner.java:run(307)) -
> Request GetTask:
> eb_1380717656859_0001_000004,container_1380717656859_0001_01_000040
> 2013-10-02 21:41:21,809 ERROR querymaster.QueryUnitAttempt
> (QueryUnitAttempt.java:transition(312)) - FROM gruter104.gruter.com >>
> java.lang.ArrayIndexOutOfBoundsException: 1
> at
> org.apache.tajo.engine.planner.physical.AggregationExec.<init>(AggregationExec.java:86)
> at
> org.apache.tajo.engine.planner.physical.HashAggregateExec.<init>(HashAggregateExec.java:48)
> at
> org.apache.tajo.engine.planner.PhysicalPlannerImpl.createInMemoryHashAggregation(PhysicalPlannerImpl.java:559)
> at
> org.apache.tajo.engine.planner.PhysicalPlannerImpl.createBestAggregationPlan(PhysicalPlannerImpl.java:607)
> at
> org.apache.tajo.engine.planner.PhysicalPlannerImpl.createGroupByPlan(PhysicalPlannerImpl.java:553)
> at
> org.apache.tajo.engine.planner.PhysicalPlannerImpl.createPlanRecursive(PhysicalPlannerImpl.java:148)
> at
> org.apache.tajo.engine.planner.PhysicalPlannerImpl.createPlanRecursive(PhysicalPlannerImpl.java:152)
> at
> org.apache.tajo.engine.planner.PhysicalPlannerImpl.createPlanRecursive(PhysicalPlannerImpl.java:169)
> at
> org.apache.tajo.engine.planner.PhysicalPlannerImpl.createPlan(PhysicalPlannerImpl.java:74)
> at
> org.apache.tajo.worker.TajoQueryEngine.createPlan(TajoQueryEngine.java:47)
> at org.apache.tajo.worker.Task.run(Task.java:378)
> at org.apache.tajo.worker.TaskRunner$2.run(TaskRunner.java:364)
> at java.lang.Thread.run(Thread.java:662)
> 2013-10-02 21:41:21,809 INFO event.TaskScheduleEvent
> (TaskSchedulerImpl.java:handle(232)) - TaskRequest:
> container_1380717656859_0001_01_000040,eb_1380717656859_0001_000004
> 2013-10-02 21:41:21,809 INFO querymaster.QueryUnit
> (QueryUnit.java:transition(432)) -
> =============================================================
> 2013-10-02 21:41:21,810 INFO querymaster.QueryUnit
> (QueryUnit.java:transition(433)) - >>> Task Failed:
> ta_1380717656859_0001_000004_000000_00 <<<
> 2013-10-02 21:41:21,810 INFO querymaster.QueryUnit
> (QueryUnit.java:transition(434)) -
> =============================================================
> {code}
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