-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/18567/
-----------------------------------------------------------
Review request for Tajo.
Bugs: TAJO-640
https://issues.apache.org/jira/browse/TAJO-640
Repository: tajo
Description
-------
In inner join clause, empty table can cause a error by order-by clause as
follows:
{code:xml}
* SQL
select a.id from table1 a, table3 b where a.id = b.id order by a.id;
* Error
4-02-27 16:01:21,118 INFO querymaster.SubQuery
(SubQuery.java:initTaskScheduler(611)) -
org.apache.tajo.master.DefaultTaskScheduler is chosen for the task scheduling
2014-02-27 16:01:21,119 INFO querymaster.SubQuery
(SubQuery.java:getNonLeafTaskNum(748)) - Table's volume is approximately 0 MB
2014-02-27 16:01:21,119 INFO querymaster.SubQuery
(SubQuery.java:getNonLeafTaskNum(751)) - The determined number of non-leaf
tasks is 1
2014-02-27 16:01:21,121 ERROR querymaster.SubQuery
(SubQuery.java:transition(595)) - SubQuery (eb_1393484173390_0002_000004)
ERROR:
java.lang.IllegalStateException: ERROR: Invalid Column Stats (column stats: [],
there exists not target a.id (INT4)
at
com.google.common.base.Preconditions.checkState(Preconditions.java:150)
at
org.apache.tajo.engine.utils.TupleUtil.columnStatToRange(TupleUtil.java:79)
at
org.apache.tajo.master.querymaster.Repartitioner.scheduleRangeShuffledFetches(Repartitioner.java:332)
at
org.apache.tajo.master.querymaster.Repartitioner.scheduleFragmentsForNonLeafTasks(Repartitioner.java:300)
at
org.apache.tajo.master.querymaster.SubQuery$InitAndRequestContainer.schedule(SubQuery.java:733)
at
org.apache.tajo.master.querymaster.SubQuery$InitAndRequestContainer.transition(SubQuery.java:579)
at
org.apache.tajo.master.querymaster.SubQuery$InitAndRequestContainer.transition(SubQuery.java:560)
at
org.apache.hadoop.yarn.state.StateMachineFactory$MultipleInternalArc.doTransition(StateMachineFactory.java:385)
at
org.apache.hadoop.yarn.state.StateMachineFactory.doTransition(StateMachineFactory.java:302)
at
org.apache.hadoop.yarn.state.StateMachineFactory.access$300(StateMachineFactory.java:46)
at
org.apache.hadoop.yarn.state.StateMachineFactory$InternalStateMachine.doTransition(StateMachineFactory.java:448)
at org.apache.tajo.master.querymaster.SubQuery.handle(SubQuery.java:537)
at
org.apache.tajo.master.querymaster.Query$SubQueryCompletedTransition.executeNextBlock(Query.java:560)
at
org.apache.tajo.master.querymaster.Query$SubQueryCompletedTransition.transition(Query.java:593)
at
org.apache.tajo.master.querymaster.Query$SubQueryCompletedTransition.transition(Query.java:546)
at
org.apache.hadoop.yarn.state.StateMachineFactory$SingleInternalArc.doTransition(StateMachineFactory.java:362)
at
org.apache.hadoop.yarn.state.StateMachineFactory.doTransition(StateMachineFactory.java:302)
at
org.apache.hadoop.yarn.state.StateMachineFactory.access$300(StateMachineFactory.java:46)
at
org.apache.hadoop.yarn.state.StateMachineFactory$InternalStateMachine.doTransition(StateMachineFactory.java:448)
at org.apache.tajo.master.querymaster.Query.handle(Query.java:646)
at org.apache.tajo.master.querymaster.Query.handle(Query.java:58)
at
org.apache.tajo.master.TajoAsyncDispatcher.dispatch(TajoAsyncDispatcher.java:137)
at
org.apache.tajo.master.TajoAsyncDispatcher$1.run(TajoAsyncDispatcher.java:79)
at java.lang.Thread.run(Thread.java:680)
{code}
Diffs
-----
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/master/querymaster/Repartitioner.java
4a7976f
tajo-core/tajo-core-backend/src/test/java/org/apache/tajo/TpchTestBase.java
cb1805d
tajo-core/tajo-core-backend/src/test/resources/queries/TestJoinQuery/testInnerJoinWithEmptyTable.sql
00c7884
tajo-core/tajo-core-backend/src/test/resources/results/TestJoinQuery/testInnerJoinWithEmptyTable.result
c6036d7
Diff: https://reviews.apache.org/r/18567/diff/
Testing
-------
mvn clean install
Thanks,
Jung JaeHwa
