[teiid-issues] [JBoss JIRA] (TEIID-4406) group by cast(... as date) results in NullPointException

[Steven Hawkins (JIRA)]

     [ https://issues.jboss.org/browse/TEIID-4406?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steven Hawkins resolved TEIID-4406.
-----------------------------------
    Fix Version/s: 9.1
                   9.0.4
       Resolution: Done


Added logic to account for leaving the dependent predicates above the grouping node.

> group by cast(... as date) results in NullPointException
> --------------------------------------------------------
>
>                 Key: TEIID-4406
>                 URL: https://issues.jboss.org/browse/TEIID-4406
>             Project: Teiid
>          Issue Type: Bug
>          Components: Query Engine
>    Affects Versions: 9.0.2
>            Reporter: Bram Gadeyne
>            Assignee: Steven Hawkins
>             Fix For: 9.1, 9.0.4
>
>         Attachments: plan_cast.txt, plan_nocast.txt
>
>
> example query: 
> select oc.patientid, cast(oc.StartOfPeriod as date) as periodstart,
>         max(case when variableid = 10001001 then oc.Value end) as sofa_resp,
>         max(case when variableid = 10001002 then oc.Value end) as sofa_cardio,
>         max(case when variableid = 10001003 then oc.Value end) as sofa_liver,
>         max(case when variableid = 10001004 then oc.Value end) as sofa_coag,
>         max(case when variableid = 10001005 then oc.Value end) as sofa_cns,
>         max(case when variableid = 10001006 then oc.Value end) as sofa_renal,
>         max(case when variableid = 30010000 then oc.Value end) as sofa_total
> from #tmp_cohort10 c
> join oldcos_scores oc on oc.PatientID = c.patientid
> group by oc.patientid, cast(oc.StartOfPeriod as date)
> stacktrace: 
> 2016-08-23 11:46:25,263 ERROR [org.teiid.PROCESSOR] (Worker50_QueryProcessorQueue784) BCXKsyPCGz6r TEIID30019 Unexpected exception for request BCXKsyPCGz6r.148: java.lang.NullPointerException
>         at org.teiid.dqp.internal.datamgr.LanguageBridgeFactory.translate(LanguageBridgeFactory.java:426)
>         at org.teiid.dqp.internal.datamgr.LanguageBridgeFactory.translate(LanguageBridgeFactory.java:418)
>         at org.teiid.dqp.internal.datamgr.LanguageBridgeFactory.translate(LanguageBridgeFactory.java:281)
>         at org.teiid.dqp.internal.datamgr.LanguageBridgeFactory.translate(LanguageBridgeFactory.java:226)
>         at org.teiid.dqp.internal.datamgr.LanguageBridgeFactory.translate(LanguageBridgeFactory.java:386)
>         at org.teiid.dqp.internal.datamgr.LanguageBridgeFactory.translate(LanguageBridgeFactory.java:344)
>         at org.teiid.dqp.internal.datamgr.LanguageBridgeFactory.translate(LanguageBridgeFactory.java:276)
>         at org.teiid.dqp.internal.datamgr.LanguageBridgeFactory.translate(LanguageBridgeFactory.java:184)
>         at org.teiid.dqp.internal.datamgr.ConnectorWorkItem.<init>(ConnectorWorkItem.java:175)
>         at org.teiid.dqp.internal.datamgr.ConnectorManager.registerRequest(ConnectorManager.java:203)
>         at org.teiid.dqp.internal.process.DataTierManagerImpl.registerRequest(DataTierManagerImpl.java:1011)
>         at org.teiid.query.tempdata.TempTableDataManager.registerRequest(TempTableDataManager.java:179)
>         at org.teiid.query.processor.relational.AccessNode.registerRequest(AccessNode.java:500)
>         at org.teiid.query.processor.relational.AccessNode.openInternal(AccessNode.java:268)
>         at org.teiid.query.processor.relational.AccessNode.open(AccessNode.java:171)
>         at org.teiid.query.processor.relational.JoinStrategy.openRight(JoinStrategy.java:105)
>         at org.teiid.query.processor.relational.JoinNode.nextBatchDirect(JoinNode.java:223)
>         at org.teiid.query.processor.relational.RelationalNode.nextBatch(RelationalNode.java:282)
>         at org.teiid.query.processor.BatchCollector$BatchProducerTupleSource.nextTuple(BatchCollector.java:94)
>         at org.teiid.query.processor.relational.GroupingNode.groupSortPhase(GroupingNode.java:490)
>         at org.teiid.query.processor.relational.GroupingNode.nextBatchDirect(GroupingNode.java:366)
>         at org.teiid.query.processor.relational.RelationalNode.nextBatch(RelationalNode.java:282)
>         at org.teiid.query.processor.relational.ProjectNode.nextBatchDirect(ProjectNode.java:150)
>         at org.teiid.query.processor.relational.RelationalNode.nextBatch(RelationalNode.java:282)
>         at org.teiid.query.processor.relational.RelationalPlan.nextBatch(RelationalPlan.java:145)
>         at org.teiid.query.processor.QueryProcessor.nextBatchDirect(QueryProcessor.java:151)
>         at org.teiid.query.processor.QueryProcessor.nextBatch(QueryProcessor.java:114)
>         at org.teiid.query.processor.BatchCollector.collectTuples(BatchCollector.java:164)
>         at org.teiid.query.processor.BatchCollector.collectTuples(BatchCollector.java:146)
>         at org.teiid.dqp.internal.process.RequestWorkItem.processMore(RequestWorkItem.java:472)
>         at org.teiid.dqp.internal.process.RequestWorkItem.process(RequestWorkItem.java:348)
>         at org.teiid.dqp.internal.process.AbstractWorkItem.run(AbstractWorkItem.java:51)
>         at org.teiid.dqp.internal.process.RequestWorkItem.run(RequestWorkItem.java:274)
>         at org.teiid.dqp.internal.process.DQPWorkContext.runInContext(DQPWorkContext.java:276)
>         at org.teiid.dqp.internal.process.ThreadReuseExecutor$RunnableWrapper.run(ThreadReuseExecutor.java:119)
>         at org.teiid.dqp.internal.process.ThreadReuseExecutor$3.run(ThreadReuseExecutor.java:210)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>         at java.lang.Thread.run(Thread.java:745)



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