[TAJO-640] In inner join clause, empty table can cause a error by order-by clause.

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.8.0, 0.9.0
• Fix Version/s: 0.8.0, 0.9.0
• Component/s: distributed query plan
• Assignee: JaeHwa Jung
• Reporter: JaeHwa Jung
• Created: 27/Feb/14 07:53
• Updated: 27/Feb/14 09:14
• Resolved: 27/Feb/14 09:11

Description

In inner join clause, empty table can cause a error by order-by clause as follows:

* 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)

Issue Links

• is related to: TAJO-620 A join query can cause IndexOutOfBoundsException if one of tables is empty.