[teiid-issues] [JBoss JIRA] (TEIID-4287) An exception is thrown by PostgreSQL when nested CTEs are pushed down
Steven Hawkins (JIRA)
issues at jboss.org
Sun Jul 3 19:49:00 EDT 2016
[ https://issues.jboss.org/browse/TEIID-4287?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Steven Hawkins closed TEIID-4287.
---------------------------------
> An exception is thrown by PostgreSQL when nested CTEs are pushed down
> ---------------------------------------------------------------------
>
> Key: TEIID-4287
> URL: https://issues.jboss.org/browse/TEIID-4287
> Project: Teiid
> Issue Type: Bug
> Components: Query Engine
> Reporter: Salvatore R
> Assignee: Steven Hawkins
> Fix For: 9.1, 8.12.5, 8.13.6, 9.0.1
>
>
> I defined the following views in my VDB, based on a table in PostgreSQL:
> {code:sql}
> create view tv0 as
> WITH
> cte1 as (SELECT 1 as a),
> alias2 as (select a from cte1),
> cte3 as (select a from alias2)
> SELECT cte3.a FROM alias2 join cte3 on cte3.a=alias2.a;
> create view tv1 as
> WITH
> cte1 as (SELECT a from pg.test_a),
> alias2 as (select a from cte1),
> cte3 as (select a from alias2)
> SELECT cte3.a FROM alias2 join cte3 on cte3.a=alias2.a;
> create view tv2 as
> WITH
> alias2 as (select b, a from pg.test_a),
> cte4 as (select a from alias2)
> SELECT cte4.a FROM cte4 join alias2 on cte4.a=alias2.a ;
> {code}
> The following query, based on views tv0 and tv1:
> {code:sql}
> with
> CTE1 as (
> select a from (
> with CTE11 as (select a from views.tv0)
> select a from CTE11
> ) as SUBQ1),
> CTE2 as (
> select a from (
> with CTE21 as (select a from views.tv1)
> select a from CTE21
> ) as SUBQ2)
> select * from CTE1 as T1 join CTE2 as T2 on T1.a=T2.a
> {code}
> throws this exception:
> {code:sql}
> 18:55:23,260 WARN [org.teiid.PROCESSOR] (Worker24_QueryProcessorQueue773) qPWXuJPW78go TEIID30020 Processing exception for request qPWXuJPW78go.3 'TEIID30504 test_tables_pg: 0 TEIID11008:TEIID11004 Error executing statement(s): [Prepared Values: [] SQL: WITH alias2__1 (a) AS (SELECT g_0."a" FROM "public"."test_a" AS g_0) SELECT g_1.a AS c_0 FROM alias2__1 AS g_0, alias2 AS g_1 WHERE g_1.a = g_0.a AND g_1.a = 1 ORDER BY c_0]'. Originally TeiidProcessingException 'ERROR: Relation "alias2" does not exist
> Position: 113' QueryExecutorImpl.java:2157. Enable more detailed logging to see the entire stacktrace.
> 19:00:13,379 WARN [org.teiid.CONNECTOR] (Worker28_QueryProcessorQueue775) qPWXuJPW78go Connector worker process failed for atomic-request=qPWXuJPW78go.4.7.144: org.teiid.translator.jdbc.JDBCExecutionException: 0 TEIID11008:TEIID11004 Error executing statement(s): [Prepared Values: [] SQL: WITH alias2__1 (a) AS (SELECT g_0."a" FROM "public"."test_a" AS g_0) SELECT g_1.a AS c_0 FROM alias2__1 AS g_0, alias2 AS g_1 WHERE g_1.a = g_0.a AND g_1.a = 1 ORDER BY c_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.GeneratedMethodAccessor86.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at org.teiid.dqp.internal.datamgr.ConnectorManager$1.invoke(ConnectorManager.java:211)
> at com.sun.proxy.$Proxy56.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$1.call(DataTierTupleSource.java:108)
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> at org.teiid.dqp.internal.process.FutureWork.run(FutureWork.java:65)
> at org.teiid.dqp.internal.process.DQPWorkContext.runInContext(DQPWorkContext.java:276)
> at org.teiid.dqp.internal.process.ThreadReuseExecutor$RunnableWrapper.run(ThreadReuseExecutor.java:119)
> at org.teiid.dqp.internal.process.ThreadReuseExecutor$3.run(ThreadReuseExecutor.java:210)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: org.postgresql.util.PSQLException: ERROR: Relation "alias2" does not exist
> Position: 113
> 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)
> ... 17 more
> {code}
> A similar query based on view tv2, throws a different exception:
> {code:sql}
> with
> CTE1 as (
> select a from (
> with CTE11 as (select a from views.tv2)
> select a from CTE11
> ) as SUBQ1),
> CTE2 as (
> select a from (
> with CTE21 as (select a from views.tv2)
> select a from CTE21
> ) as SUBQ2)
> select * from CTE1 as T1 join CTE2 as T2 on T1.a=T2.a
> {code}
> {code:sql}
> 19:05:02,784 WARN [org.teiid.CONNECTOR] (Worker30_QueryProcessorQueue778) qPWXuJPW78go Connector worker process failed for atomic-request=qPWXuJPW78go.5.2.145: org.teiid.translator.jdbc.JDBCExecutionException: 0 TEIID11008:TEIID11004 Error executing statement(s): [Prepared Values: [] SQL: WITH alias2 (b, a) AS (SELECT NULL, g_0."a" FROM "public"."test_a" AS g_0), alias2__1 (a, b) AS (SELECT NULL, g_0."a" FROM "public"."test_a" AS g_0) SELECT g_2.a, g_0.a FROM alias2 AS g_0, alias2 AS g_1, alias2 AS g_2, alias2__1 AS g_3 WHERE g_2.a = g_3.a AND g_0.a = g_1.a AND g_0.a = g_2.a]
> at org.teiid.translator.jdbc.JDBCQueryExecution.execute(JDBCQueryExecution.java:131)
> at org.teiid.dqp.internal.datamgr.ConnectorWorkItem.execute(ConnectorWorkItem.java:365)
> at sun.reflect.GeneratedMethodAccessor86.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at org.teiid.dqp.internal.datamgr.ConnectorManager$1.invoke(ConnectorManager.java:211)
> at com.sun.proxy.$Proxy56.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$1.call(DataTierTupleSource.java:108)
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> at org.teiid.dqp.internal.process.FutureWork.run(FutureWork.java:65)
> at org.teiid.dqp.internal.process.DQPWorkContext.runInContext(DQPWorkContext.java:276)
> at org.teiid.dqp.internal.process.ThreadReuseExecutor$RunnableWrapper.run(ThreadReuseExecutor.java:119)
> at org.teiid.dqp.internal.process.ThreadReuseExecutor$3.run(ThreadReuseExecutor.java:210)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: org.postgresql.util.PSQLException: ERROR: failed to find conversion function from unknown to integer
> 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)
> ... 17 more
> {code}
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