JOIN of CTEs fails if one of them is dependent and has window functions with inner DISTINCT in underlying queries ----------------------------------------------------------------------------------------------------------------- Key: TEIID-4953 URL: https://issues.jboss.org/browse/TEIID-4953 Project: Teiid Issue Type: Bug Components: Query Engine Affects Versions: 9.3 Environment: teiid-9.3.0.Final on WildFly Full 10.0.0.Final (WildFly Core 2.0.10.Final) Reporter: dalex dalex Assignee: Steven Hawkins Priority: Blocker Fix For: 10.0, 9.1.5, 9.3.1, 9.2.4 Running the following script: {code:sql|linenumbers|highlight=6,10} with CTE as ( select a from test_pg.test_a ), CTE_WIN_FUNCT as ( select count(distinct a) over (partition by a) as c from CTE ), CTE_UNION as ( select c from CTE_WIN_FUNCT union all select c from CTE_WIN_FUNCT ) select * from CTE join CTE_UNION on true ;; {code} leads to the following error message: {code} 2017-06-07 14:11:09,772 WARN [org.teiid.CONNECTOR] (Worker5_QueryProcessorQueue35) QOZCg3H0H+do Connector worker process failed for atomic-request=QOZCg3H0H+do.12.3.2: org.teiid.tra nslator.jdbc.JDBCExecutionException: 0 TEIID11008:TEIID11004 Error executing statement(s): [Prepared Values: [] SQL: SELECT g_0.a FROM CTE AS g_0] at org.teiid.translator.jdbc.JDBCQueryExecution.execute(JDBCQueryExecution.java:131) at org.teiid.dqp.internal.datamgr.ConnectorWorkItem.execute(ConnectorWorkItem.java:365) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.teiid.dqp.internal.datamgr.ConnectorManager$1.invoke(ConnectorManager.java:220) at com.sun.proxy.$Proxy28.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$1.call(DataTierTupleSource.java:108) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.teiid.dqp.internal.process.FutureWork.run(FutureWork.java:65) at org.teiid.dqp.internal.process.DQPWorkContext.runInContext(DQPWorkContext.java:282) at org.teiid.dqp.internal.process.ThreadReuseExecutor$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) Caused by: org.postgresql.util.PSQLException: relation "cte" does not exist Position: 19 at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2157) at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:1886) at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:255) at org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:555) at org.postgresql.jdbc2.AbstractJdbc2Statement.executeWithFlags(AbstractJdbc2Statement.java:417) at org.postgresql.jdbc2.AbstractJdbc2Statement.executeQuery(AbstractJdbc2Statement.java:302) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.teiid.translator.jdbc.JDBCQueryExecution.execute(JDBCQueryExecution.java:123) ... 18 more {code} but removing window function completely or just DISTINCT on line 6 makes problem to go away. Removing union all in the "CTE_UNION" eliminates it too.