CREATE TABLE public.source (a integer);  
CREATE TABLE public.target (a integer);  

create view v1 as select a from pg.source group by a;  
create view v2 as select a from test_views.v1 group by a;  

insert into pg.target  
SELECT * FROM test_views.v2;

14:40:23,702 WARN  [org.teiid.CONNECTOR] (Worker1_QueryProcessorQueue1) ouLv6EaK1uoo Connector worker process failed for atomic-request=ouLv6EaK1uoo.0.2.0: org.teiid.translator.jdbc.JDBCExecutionException: 0 TEIID11013:TEIID11004 Error executing statement(s): [Prepared Values: [] SQL: INSERT INTO "public"."target" ("a") SELECT v1.a AS a FROM (SELECT "public"."source"."a" AS a FROM "public"."source" GROUP BY "public"."source"."a") AS test_views.v1 GROUP BY v1.a]  
        at org.teiid.translator.jdbc.JDBCUpdateExecution.executeTranslatedCommand(JDBCUpdateExecution.java:252) [translator-jdbc-8.10.0.Beta2.jar:8.10.0.Beta2]  
        at org.teiid.translator.jdbc.JDBCUpdateExecution.execute(JDBCUpdateExecution.java:80) [translator-jdbc-8.10.0.Beta2.jar:8.10.0.Beta2]  
        at org.teiid.dqp.internal.datamgr.ConnectorWorkItem$1.execute(ConnectorWorkItem.java:368)  
        at org.teiid.dqp.internal.datamgr.ConnectorWorkItem.execute(ConnectorWorkItem.java:335)  
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.7.0_51]  
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) [rt.jar:1.7.0_51]  
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_51]  
        at java.lang.reflect.Method.invoke(Method.java:606) [rt.jar:1.7.0_51]  
        at org.teiid.dqp.internal.datamgr.ConnectorManager$1.invoke(ConnectorManager.java:209)  
        at com.sun.proxy.$Proxy47.execute(Unknown Source)  
        at org.teiid.dqp.internal.process.DataTierTupleSource.getResults(DataTierTupleSource.java:298)  
        at org.teiid.dqp.internal.process.DataTierTupleSource$1.call(DataTierTupleSource.java:110)  
        at org.teiid.dqp.internal.process.DataTierTupleSource$1.call(DataTierTupleSource.java:107)  
        at java.util.concurrent.FutureTask.run(FutureTask.java:262) [rt.jar:1.7.0_51]  
        at org.teiid.dqp.internal.process.FutureWork.run(FutureWork.java:58)  
        at org.teiid.dqp.internal.process.DQPWorkContext.runInContext(DQPWorkContext.java:276)  
        at org.teiid.dqp.internal.process.ThreadReuseExecutor$RunnableWrapper.run(ThreadReuseExecutor.java:119)  
        at org.teiid.dqp.internal.process.ThreadReuseExecutor$3.run(ThreadReuseExecutor.java:210)  
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_51]  
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [rt.jar:1.7.0_51]  
        at java.lang.Thread.run(Thread.java:744) [rt.jar:1.7.0_51]  
Caused by: org.postgresql.util.PSQLException: ERROR: syntax error at or near "."  
  Position: 162  
        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.executeUpdate(AbstractJdbc2Statement.java:363)  
        at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeUpdate(WrappedPreparedStatement.java:493)  
        at org.teiid.translator.jdbc.JDBCUpdateExecution.executeTranslatedCommand(JDBCUpdateExecution.java:223) [translator-jdbc-8.10.0.Beta2.jar:8.10.0.Beta2]  
        ... 20 more  
14:40:23,736 WARN  [org.teiid.PROCESSOR] (Worker0_QueryProcessorQueue2) ouLv6EaK1uoo TEIID30020 Processing exception for request ouLv6EaK1uoo.0 'TEIID30504 test_tables_pg  
: 0 TEIID11013:TEIID11004 Error executing statement(s): [Prepared Values: [] SQL: INSERT INTO "public"."target" ("a") SELECT v1.a AS a FROM (SELECT "public"."source"."a"  
AS a FROM "public"."source" GROUP BY "public"."source"."a") AS test_views.v1 GROUP BY v1.a]'. Originally TeiidProcessingException 'ERROR: syntax error at or near "."  
  Position: 162' QueryExecutorImpl.java:2157. Enable more detailed logging to see the entire stacktrace.