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Posted to dev@tajo.apache.org by "Hyunsik Choi (JIRA)" <ji...@apache.org> on 2013/12/11 10:09:06 UTC
[jira] [Created] (TAJO-410) A query with a combination of general
and distinct aggregation functions fails
Hyunsik Choi created TAJO-410:
---------------------------------
Summary: A query with a combination of general and distinct aggregation functions fails
Key: TAJO-410
URL: https://issues.apache.org/jira/browse/TAJO-410
Project: Tajo
Issue Type: Bug
Components: planner/optimizer
Reporter: Hyunsik Choi
Assignee: Hyunsik Choi
{code:sql}
select
l_orderkey,
count(*) as cnt,
count(distinct l_linenumber) as unique_key
from
lineitem
group by
l_orderkey;
{code}
The above query causes the following error:
{noformat}
/tajo-localdir/q_1386667006044_0002/output
2013-12-10 18:33:48,792 ERROR querymaster.QueryUnitAttempt (QueryUnitAttempt.java:transition(293)) - FROM >> java.lang.Arrayy
IndexOutOfBoundsException: 0
at org.apache.tajo.storage.VTuple.get(VTuple.java:97)
at org.apache.tajo.engine.function.builtin.CountRows.merge(CountRows.java:54)
at org.apache.tajo.engine.eval.AggregationFunctionCallEval.eval(AggregationFunctionCallEval.java:65)
at org.apache.tajo.engine.planner.physical.SortAggregateExec.next(SortAggregateExec.java:57)
at org.apache.tajo.engine.planner.physical.StoreTableExec.next(StoreTableExec.java:84)
at org.apache.tajo.worker.Task.run(Task.java:358)
at org.apache.tajo.worker.TaskRunner$1.run(TaskRunner.java:376)
at java.lang.Thread.run(Thread.java:662)
2013-12-10 18:33:48,792 INFO event.DefaultTaskSchedulerEvent (DefaultTaskScheduler.java:handle(233)) - TaskRequest: container_138666700
06044_0002_01_000188,eb_1386667006044_0002_000002
2013-12-10 18:33:48,792 INFO querymaster.QueryUnit (QueryUnit.java:transition(433)) -
{noformat}
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