[teiid-issues] [JBoss JIRA] (TEIID-5146) UNION of two similar JOIN queries fails with ASSERTION FAILED error if it contains table function of procedural call with arguments

UNION of two similar JOIN queries fails with ASSERTION FAILED error if it contains table function of procedural call with arguments ----------------------------------------------------------------------------------------------------------------------------------- Key: TEIID-5146 URL: https://issues.jboss.org/browse/TEIID-5146 Project: Teiid Issue Type: Bug Components: Query Engine Affects Versions: 9.3.4 Reporter: El Fuego Assignee: Steven Hawkins UNION of two similar JOINs containing table function of procedural call with arguments, like: {code:sql}SELECT d.col_t2 FROM "ds.test_t1", table(CALL views.pr0("arg1" => col_t1)) x JOIN "ds.test_t2" d ON true -- UNION -- SELECT d.col_t2 FROM "ds.test_t1", table(CALL views.pr0("arg1" => col_t1)) x JOIN "ds.test_t2" d ON true{code} fails with error: {code}2017-11-11 16:16:57,158 ERROR [org.teiid.PROCESSOR] (Worker2_QueryProcessorQueue23) wbDLp863MJn9 TEIID30019 Unexpected exception for request wbDLp863MJn9.7: java.lang.AssertionError: ASSERTION FAILED: expected reference to be not null at org.teiid.core.util.Assertion.failed(Assertion.java:73) at org.teiid.core.util.Assertion.isNotNull(Assertion.java:100) at org.teiid.core.util.Assertion.isNotNull(Assertion.java:92) at org.teiid.common.buffer.TupleBuffer.getBatch(TupleBuffer.java:287) at org.teiid.dqp.internal.process.TupleSourceCache$CopyOnReadTupleSource.nextTuple(TupleSourceCache.java:103) at org.teiid.query.processor.relational.AccessNode.nextBatchDirect(AccessNode.java:394) at org.teiid.query.processor.relational.RelationalNode.nextBatch(RelationalNode.java:281) at org.teiid.query.processor.BatchCollector.collectTuples(BatchCollector.java:164) at org.teiid.query.processor.relational.SourceState.prefetch(SourceState.java:211) at org.teiid.query.processor.relational.SourceState.rowCountLE(SourceState.java:158) at org.teiid.query.processor.relational.JoinNode.nextBatchDirect(JoinNode.java:227) at org.teiid.query.processor.relational.RelationalNode.nextBatch(RelationalNode.java:281) at org.teiid.query.processor.relational.LimitNode.nextBatchDirect(LimitNode.java:102) at org.teiid.query.processor.relational.RelationalNode.nextBatch(RelationalNode.java:281) at org.teiid.query.processor.BatchIterator.finalRow(BatchIterator.java:69) at org.teiid.common.buffer.AbstractTupleSource.getCurrentTuple(AbstractTupleSource.java:70) at org.teiid.query.processor.BatchIterator.getCurrentTuple(BatchIterator.java:84) at org.teiid.common.buffer.AbstractTupleSource.hasNext(AbstractTupleSource.java:92) at org.teiid.query.processor.relational.NestedTableJoinStrategy.process(NestedTableJoinStrategy.java:119) at org.teiid.query.processor.relational.JoinNode.nextBatchDirect(JoinNode.java:235) at org.teiid.query.processor.relational.RelationalNode.nextBatch(RelationalNode.java:281) at org.teiid.query.processor.relational.LimitNode.nextBatchDirect(LimitNode.java:102) at org.teiid.query.processor.relational.RelationalNode.nextBatch(RelationalNode.java:281) at org.teiid.query.processor.relational.ProjectNode.nextBatchDirect(ProjectNode.java:150) at org.teiid.query.processor.relational.RelationalNode.nextBatch(RelationalNode.java:281) at org.teiid.query.processor.relational.UnionAllNode.nextBatchDirect(UnionAllNode.java:147) at org.teiid.query.processor.relational.RelationalNode.nextBatch(RelationalNode.java:281) at org.teiid.query.processor.relational.LimitNode.nextBatchDirect(LimitNode.java:102) at org.teiid.query.processor.relational.RelationalNode.nextBatch(RelationalNode.java:281) at org.teiid.query.processor.relational.RelationalPlan.nextBatch(RelationalPlan.java:145) at org.teiid.query.processor.QueryProcessor.nextBatchDirect(QueryProcessor.java:152) at org.teiid.query.processor.QueryProcessor.nextBatch(QueryProcessor.java:115) 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:479) at org.teiid.dqp.internal.process.RequestWorkItem.process(RequestWorkItem.java:349) at org.teiid.dqp.internal.process.AbstractWorkItem.run(AbstractWorkItem.java:51) at org.teiid.dqp.internal.process.RequestWorkItem.run(RequestWorkItem.java:275) 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$3.run(ThreadReuseExecutor.java:210) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745){code} even if procedure doesn't use that argument at all.