[teiid-issues] [JBoss JIRA] (TEIID-5136) Osisoft translator - NPE when running query with LATERAL JOIN

Ramesh Reddy (JIRA) issues at jboss.org
Sun Nov 12 19:31:00 EST 2017


    [ https://issues.jboss.org/browse/TEIID-5136?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13489139#comment-13489139 ] 

Ramesh Reddy commented on TEIID-5136:
-------------------------------------

[~asmigala] LATERAL JOIN applies to "CROSS APPLY" in PI and it does with restrictions as to where this applies. So, the above query may not be correct. Please see the documentation and see if above applies. Also for LATERAL, there are additional metadata requirements. If you already did those, I need the VDB, I remember the JOIN to be with the procedure, not a table. Can you check to make sure you are done those steps?



> Osisoft translator - NPE when running query with LATERAL JOIN
> -------------------------------------------------------------
>
>                 Key: TEIID-5136
>                 URL: https://issues.jboss.org/browse/TEIID-5136
>             Project: Teiid
>          Issue Type: Bug
>          Components: JDBC Connector
>            Reporter: Andrej Šmigala
>            Assignee: Ramesh Reddy
>             Fix For: 10.1
>
>
> Running the following query:
> {code:sql}
> SELECT bqt2.smalla.intkey, g2.intkey, bqt2.smalla.bytenum FROM bqt2.smalla LEFT JOIN LATERAL (SELECT intkey FROM bqt2.mediuma WHERE bqt2.smalla.bytenum = bqt2.mediuma.bytenum) AS g2 ON true
> {code}
> results in a NPE in teiid (before sending source src command).
> Stacktrace:
> {noformat}
> Connector worker process failed for atomic-request=vEbs99yd+srV.1.0.1: java.lang.NullPointerException
>         at org.teiid.translator.jdbc.pi.PIExecutionFactory.translate(PIExecutionFactory.java:273) [translator-jdbc-8.12.11.6_4.jar:8.12.11.6_4]
>         at org.teiid.translator.jdbc.SQLConversionVisitor.append(SQLConversionVisitor.java:111) [translator-jdbc-8.12.11.6_4.jar:8.12.11.6_4]
>         at org.teiid.language.visitor.SQLStringVisitor.append(SQLStringVisitor.java:106) [teiid-api-8.12.11.6_4-redhat-64-7.jar:8.12.11.6_4-redhat-64-7]
>         at org.teiid.language.visitor.SQLStringVisitor.visit(SQLStringVisitor.java:767) [teiid-api-8.12.11.6_4-redhat-64-7.jar:8.12.11.6_4-redhat-64-7]
>         at org.teiid.language.Select.acceptVisitor(Select.java:110) [teiid-api-8.12.11.6_4-redhat-64-7.jar:8.12.11.6_4-redhat-64-7]
>         at org.teiid.language.visitor.AbstractLanguageVisitor.visitNode(AbstractLanguageVisitor.java:51) [teiid-api-8.12.11.6_4-redhat-64-7.jar:8.12.11.6_4-redhat-64-7]
>         at org.teiid.language.visitor.SQLStringVisitor.append(SQLStringVisitor.java:91) [teiid-api-8.12.11.6_4-redhat-64-7.jar:8.12.11.6_4-redhat-64-7]
>         at org.teiid.translator.jdbc.SQLConversionVisitor.append(SQLConversionVisitor.java:130) [translator-jdbc-8.12.11.6_4.jar:8.12.11.6_4]
>         at org.teiid.translator.jdbc.TranslatedCommand.translateCommand(TranslatedCommand.java:76) [translator-jdbc-8.12.11.6_4.jar:8.12.11.6_4]
>         at org.teiid.translator.jdbc.JDBCBaseExecution.translateCommand(JDBCBaseExecution.java:120) [translator-jdbc-8.12.11.6_4.jar:8.12.11.6_4]
>         at org.teiid.translator.jdbc.JDBCQueryExecution.execute(JDBCQueryExecution.java:114) [translator-jdbc-8.12.11.6_4.jar:8.12.11.6_4]
>         at org.teiid.dqp.internal.datamgr.ConnectorWorkItem.execute(ConnectorWorkItem.java:363)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.8.0_141]
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) [rt.jar:1.8.0_141]
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.8.0_141]
>         at java.lang.reflect.Method.invoke(Method.java:498) [rt.jar:1.8.0_141]
>         at org.teiid.dqp.internal.datamgr.ConnectorManager$1.invoke(ConnectorManager.java:211)
>         at com.sun.proxy.$Proxy79.execute(Unknown Source)
>         at org.teiid.dqp.internal.process.DataTierTupleSource.getResults(DataTierTupleSource.java:306)
>         at org.teiid.dqp.internal.process.DataTierTupleSource$1.call(DataTierTupleSource.java:112)
>         at org.teiid.dqp.internal.process.DataTierTupleSource$1.call(DataTierTupleSource.java:108)
>         at java.util.concurrent.FutureTask.run(FutureTask.java:266) [rt.jar:1.8.0_141]
>         at org.teiid.dqp.internal.process.FutureWork.run(FutureWork.java:65)
>         at org.teiid.dqp.internal.process.DQPWorkContext.runInContext(DQPWorkContext.java:284)
>         at org.teiid.dqp.internal.process.ThreadReuseExecutor$RunnableWrapper.run(ThreadReuseExecutor.java:119)
>         at org.teiid.dqp.internal.process.ThreadReuseExecutor$3.run(ThreadReuseExecutor.java:210)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [rt.jar:1.8.0_141]
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [rt.jar:1.8.0_141]
>         at java.lang.Thread.run(Thread.java:748) [rt.jar:1.8.0_141]
> {noformat}



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