[teiid-issues] [JBoss JIRA] (TEIID-3143) LOOP on UNION leads to java.lang.ClassCastException
Alex K. (JIRA)
issues at jboss.org
Fri Sep 26 11:25:02 EDT 2014
Alex K. created TEIID-3143:
------------------------------
Summary: LOOP on UNION leads to java.lang.ClassCastException
Key: TEIID-3143
URL: https://issues.jboss.org/browse/TEIID-3143
Project: Teiid
Issue Type: Feature Request
Reporter: Alex K.
Assignee: Steven Hawkins
the following query
{code:sql}
begin
LOOP ON (
select a
FROM schema.table
union
select b
FROM schema.table
) as cur
begin
end
end
{code}
results in this exception (Teiid-8.9.0-Beta-1) on my machine
{code:java}
ERROR [org.teiid.PROCESSOR] (Worker0_QueryProcessorQueue11) H10b/QbWzo4K TEIID30019 Unexpected exception forrequest H10b/QbWzo4K.6: java.lang.ClassCastException: org.teiid.query.sql.lang.SetQuery cannot be casttoorg.teiid.query.sql.lang.Query
at org.teiid.query.sql.proc.LoopStatement.clone(LoopStatement.java:136) [teiid-engine-8.9.0.Beta1.jar:8.9.0.Beta1]
at org.teiid.query.sql.LanguageObject$Util.deepClone(LanguageObject.java:57) [teiid-engine-8.9.0.Beta1.jar:8.9.0.Beta1]
at org.teiid.query.sql.proc.Block.clone(Block.java:147) [teiid-engine-8.9.0.Beta1.jar:8.9.0.Beta1]
at org.teiid.query.sql.proc.CreateProcedureCommand.clone(CreateProcedureCommand.java:116) [teiid-engine-8.9.0.Beta1.jar:8.9.0.Beta1]
at org.teiid.dqp.internal.process.Request.generatePlan(Request.java:377) [teiid-engine-8.9.0.Beta1.jar:8.9.0.Beta1]
at org.teiid.dqp.internal.process.Request.processRequest(Request.java:437) [teiid-engine-8.9.0.Beta1.jar:8.9.0.Beta1]
at org.teiid.dqp.internal.process.RequestWorkItem.processNew(RequestWorkItem.java:609) [teiid-engine-8.9.0.Beta1.jar:8.9.0.Beta1]
at org.teiid.dqp.internal.process.RequestWorkItem.process(RequestWorkItem.java:315) [teiid-engine-8.9.0.Beta1.jar:8.9.0.Beta1]
at org.teiid.dqp.internal.process.AbstractWorkItem.run(AbstractWorkItem.java:51) [teiid-engine-8.9.0.Beta1.jar:8.9.0.Beta1]
at org.teiid.dqp.internal.process.RequestWorkItem.run(RequestWorkItem.java:254) [teiid-engine-8.9.0.Beta1.jar:8.9.0.Beta1]
at org.teiid.dqp.internal.process.DQPWorkContext.runInContext(DQPWorkContext.java:274) [teiid-engine-8.9.0.Beta1.jar:8.9.0.Beta1]
at org.teiid.dqp.internal.process.ThreadReuseExecutor$RunnableWrapper.run(ThreadReuseExecutor.java:119) [teiid-engine-8.9.0.Beta1.jar:8.9.0.Beta1]
at org.teiid.dqp.internal.process.ThreadReuseExecutor$3.run(ThreadReuseExecutor.java:210) [teiid-engine-8.9.0.Beta1.jar:8.9.0.Beta1]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_51]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [rt.jar:1.7.0_51]
atjava.lang.Thread.run(Thread.java:744) [rt.jar:1.7.0_51]
{code}
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