[teiid-issues] [JBoss JIRA] (TEIID-5474) NPE on Complex Query with Procedure Call in SELECT

[dalex dalex (JIRA)]

dalex dalex created TEIID-5474:
----------------------------------

             Summary: NPE on Complex Query with Procedure Call in SELECT
                 Key: TEIID-5474
                 URL: https://issues.jboss.org/browse/TEIID-5474
             Project: Teiid
          Issue Type: Bug
          Components: Query Engine
    Affects Versions: 11.1
         Environment: teiid-11.1.0 (from 01.09.2018) on WildFly Full 11.0.0.Final (WildFly Core 3.0.8.Final)
            Reporter: dalex dalex
            Assignee: Steven Hawkins
            Priority: Blocker


Running the following query:
{code:sql}
SELECT 
(exec "SYSADMIN.logMsg"(
    "level" => 'INFO',
    "context" => 'DEBUG.FOO.BAR',
    "msg" => tccd.bank_account_holder_name)) as something
FROM 
(
	SELECT c.city AS "bank_account_holder_name"
	FROM "adventureworks.address" c
	JOIN 
	(
		select ca.addressid
		from "adventureworks.customeraddress" ca
	 cross JOIN 
	(
		WITH latest_exchange_rates AS 
		(
			SELECT exchange_rate_date AS month_begin
			FROM (
				SELECT  CURDATE() as exchange_rate_date
				)t
		)
		SELECT DISTINCT dt.month_start AS month_begin
		FROM (
			CALL views.createDateDimensionsTable(
				"startdate" => TIMESTAMPADD(SQL_TSI_MONTH, 1, (SELECT month_begin FROM latest_exchange_rates)),
				"enddate" => TIMESTAMPADD(SQL_TSI_YEAR, 15, (SELECT month_begin FROM latest_exchange_rates))
			) ) AS dt
	) fx
	) ci ON ci.addressid = c.addressid
) tccd ;;
{code}
will throw out the following stacktrace with NPE:
{code:noformat}
2018-09-13 13:35:21,777 ERROR [org.teiid.PROCESSOR] (Worker5_QueryProcessorQueue36) ZvEDctN1yjKY TEIID30019 Unexpected exception for request ZvEDctN1yjKY.15: java.lang.NullPointerExc
eption
        at org.teiid.query.optimizer.relational.rules.RuleMergeVirtual.doMerge(RuleMergeVirtual.java:218)
        at org.teiid.query.optimizer.relational.rules.RuleMergeVirtual.execute(RuleMergeVirtual.java:80)
        at org.teiid.query.optimizer.relational.RelationalPlanner.executeRules(RelationalPlanner.java:1025)
        at org.teiid.query.optimizer.relational.RelationalPlanner.optimize(RelationalPlanner.java:228)
        at org.teiid.query.optimizer.QueryOptimizer.optimizePlan(QueryOptimizer.java:179)
        at org.teiid.dqp.internal.process.Request.generatePlan(Request.java:458)
        at org.teiid.dqp.internal.process.Request.processRequest(Request.java:486)
        at org.teiid.dqp.internal.process.RequestWorkItem.processNew(RequestWorkItem.java:672)
        at org.teiid.dqp.internal.process.RequestWorkItem.process(RequestWorkItem.java:351)
        at org.teiid.dqp.internal.process.AbstractWorkItem.run(AbstractWorkItem.java:47)
        at org.teiid.dqp.internal.process.RequestWorkItem.run(RequestWorkItem.java:285)
        at org.teiid.dqp.internal.process.DQPWorkContext.runInContext(DQPWorkContext.java:277)
        at org.teiid.dqp.internal.process.ThreadReuseExecutor$RunnableWrapper.run(ThreadReuseExecutor.java:115)
        at org.teiid.dqp.internal.process.ThreadReuseExecutor$3.run(ThreadReuseExecutor.java:206)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
{code}



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