[teiid-issues] [JBoss JIRA] (TEIID-2222) NPE thrown when dynamic sql is used in foreach clause
Vineela Gampa (JIRA)
jira-events at lists.jboss.org
Tue Sep 25 17:47:35 EDT 2012
[ https://issues.jboss.org/browse/TEIID-2222?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12721607#comment-12721607 ]
Vineela Gampa commented on TEIID-2222:
--------------------------------------
Hi Steve,
we need the fix to 7.7.1 version. As per your resolved status its done to 8.2.
> NPE thrown when dynamic sql is used in foreach clause
> -----------------------------------------------------
>
> Key: TEIID-2222
> URL: https://issues.jboss.org/browse/TEIID-2222
> Project: Teiid
> Issue Type: Bug
> Affects Versions: 7.7.1
> Reporter: Vineela Gampa
> Assignee: Steven Hawkins
> Fix For: 8.2
>
>
> NPE occurred when using dynamic sql in foreach clause of trigger. Stacktrace is pasted below.
> FOR EACH ROW
> BEGIN
> DECLARE string setclause = null;
> IF (CHANGING.NAME)
> BEGIN
> setclause = 'security_ldap.baseuser.NAME';
> END
> EXECUTE IMMEDIATE 'UPDATE security_ldap.baseuser SET ' || setclause || '= ''NEW.NAME'' WHERE security_ldap.baseuser.DN = ''NEW.USERID''';
> END
>
> OR
> Even using "USING" Yielded the same
> FOR EACH ROW
> BEGIN
> DECLARE string setclause = null;
> DECLAR string whereclause = ' WHERE security_ldap.baseuser.DN = USING.USERID'
> IF (CHANGING.NAME)
> BEGIN
> setclause = 'security_ldap.baseuser.NAME=USING.NAME';
> END
> EXECUTE IMMEDIATE 'UPDATE security_ldap.baseuser SET ' || setclause || whereclause || USING NAME=NEW.NAME,USERID=NEW.USERID;
> END
> I see my command got resolved well. But i seeing an NPE during validatioin - context.pushCall(parentProcCommand.getVirtualGroup().getCanonicalName()); - parentProcCommand.getVirtualGroup() is null.
>
> 20 Sep 2012 16:15:54,670 PDT TRACE [org.teiid.PROCESSOR] (Worker15_QueryProcessorQueue296) ASSIGNMENT INSTRUCTION: setclause The variable setclause in the variablecontext is updated with the value : security_ldap.baseuser.NAME
> 20 Sep 2012 16:15:54,671 PDT TRACE [org.teiid.PROCESSOR] (Worker15_QueryProcessorQueue296) Executing instruction ExecDynamicSqlInstruction
> 20 Sep 2012 16:15:54,671 PDT TRACE [org.teiid.PROCESSOR] (Worker15_QueryProcessorQueue296) Executing dynamic sql UPDATE security_ldap.baseuser SET security_ldap.baseuser.NAME= 'NEW.NAME' WHERE security_ldap.baseuser.DN = 'NEW.USERID'
> 20 Sep 2012 16:15:54,678 PDT TRACE [org.teiid.PLANNER.RESOLVER] (Worker15_QueryProcessorQueue296) Resolving command UPDATE security_ldap.baseuser SET NAME = 'NEW.NAME' WHERE security_ldap.baseuser.DN = 'NEW.USERID'
> 20 Sep 2012 16:15:54,681 PDT DEBUG [org.teiid.PROCESSOR] (Worker15_QueryProcessorQueue296) Request Thread U0W5vGKiU+f+.0 - error occurred
> java.lang.NullPointerException
> at org.teiid.query.processor.proc.ExecDynamicSqlInstruction.validateDynamicCommand(ExecDynamicSqlInstruction.java:328)
> at org.teiid.query.processor.proc.ExecDynamicSqlInstruction.process(ExecDynamicSqlInstruction.java:171)
> at org.teiid.query.processor.proc.ProcedurePlan.processProcedure(ProcedurePlan.java:384)
> at org.teiid.query.processor.proc.ProcedurePlan.nextBatchDirect(ProcedurePlan.java:312)
> at org.teiid.query.processor.proc.ProcedurePlan.nextBatch(ProcedurePlan.java:285)
> at org.teiid.query.processor.QueryProcessor.nextBatchDirect(QueryProcessor.java:139)
> at org.teiid.query.processor.QueryProcessor.nextBatch(QueryProcessor.java:105)
> at org.teiid.query.processor.proc.ForEachRowPlan.nextBatch(ForEachRowPlan.java:119)
> at org.teiid.query.processor.relational.PlanExecutionNode.nextBatchDirect(PlanExecutionNode.java:118)
> at org.teiid.query.processor.relational.RelationalNode.nextBatch(RelationalNode.java:280)
> at org.teiid.query.processor.relational.ProjectNode.nextBatchDirect(ProjectNode.java:155)
> at org.teiid.query.processor.relational.RelationalNode.nextBatch(RelationalNode.java:280)
> at org.teiid.query.processor.relational.RelationalPlan.nextBatch(RelationalPlan.java:176)
> at org.teiid.query.processor.QueryProcessor.nextBatchDirect(QueryProcessor.java:139)
> at org.teiid.query.processor.QueryProcessor.nextBatch(QueryProcessor.java:105)
> at org.teiid.query.processor.BatchCollector.collectTuples(BatchCollector.java:147)
> at org.teiid.dqp.internal.process.RequestWorkItem.processMore(RequestWorkItem.java:374)
> at org.teiid.dqp.internal.process.RequestWorkItem.process(RequestWorkItem.java:287)
> at org.teiid.dqp.internal.process.AbstractWorkItem.run(AbstractWorkItem.java:49)
> at org.teiid.dqp.internal.process.RequestWorkItem.run(RequestWorkItem.java:215)
> at org.teiid.dqp.internal.process.DQPWorkContext.runInContext(DQPWorkContext.java:232)
> at org.teiid.dqp.internal.process.ThreadReuseExecutor$RunnableWrapper.run(ThreadReuseExecutor.java:118)
> at org.teiid.dqp.internal.process.ThreadReuseExecutor$3.run(ThreadReuseExecutor.java:288)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
> at java.lang.Thread.run(Thread.java:722)
> 20 Sep 2012 16:15:54,682 PDT DEBUG [org.teiid.COMMAND_LOG] (Worker15_QueryProcessorQueue296) ERROR USER COMMAND: endTime=2012-09-20 16:15:54.682 requestID=U0W5vGKiU+f+.0 txID=TransactionImple < ac, BasicAction: a8458a5:e104:505ba20c:17 status: ActionStatus.RUNNING > sessionID=U0W5vGKiU+f+ principal=gamvi01 at chorus-teiid-security vdbName=Chorus vdbVersion=1 finalRowCount=null
> 20 Sep 2012 16:15:54,682 PDT ERROR [org.teiid.PROCESSOR] (Worker15_QueryProcessorQueue296) Unexpected exception for request U0W5vGKiU+f+.0
> java.lang.NullPointerException
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