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Type: Bug
Resolution: Done
Priority: Critical
Fix Version/s: 14.0, 13.1.1
Affects Version/s: 13.1
Component/s: Query Engine
Labels:
None

Sprint:
DV Sprint 62
Story Points:
0.5
Steps to Reproduce:
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1. In postgresql create the test_mat_simplified table using the following script:

CREATE TABLE public.test_mat_simplified ( a integer, b integer );

2. Add postgresql database configuration in standalone-teiid.xml:

<datasource jndi-name="java:/test_dwh_pg" pool-name="test_dwh_pg" enabled="true" use-java-context="true"> <connection-url>jdbc:postgresql://localhost:5432/test_dwh?charSet=utf8</connection-url> <driver-class>org.postgresql.Driver</driver-class> <driver>org.postgresql</driver> <pool> <min-pool-size>2</min-pool-size> <max-pool-size>70</max-pool-size> <prefill>false</prefill> <use-strict-min>false</use-strict-min> <flush-strategy>FailingConnectionOnly</flush-strategy> </pool> <security> <user-name>XXXXX</user-name> <password>XXXXX</password> </security> <validation> <check-valid-connection-sql>select 0</check-valid-connection-sql> </validation> <timeout> <blocking-timeout-millis>120000</blocking-timeout-millis> <idle-timeout-minutes>5</idle-timeout-minutes> </timeout> </datasource>

3. Add in test-vdb.xml java:/test_tables_pg configured in previous step as datasource:

<model name="test_dwh_pg"> <property name="importer.useFullSchemaName" value="false"/> <property name="importer.tableTypes" value="TABLE,VIEW"/> <property name="importer.importKeys" value="false"/> <source name="test_dwh_pg" translator-name="myPg" connection-jndi-name="java:/test_dwh_pg"/> </model>

4. Configure in the test-vdb.xml the following virtual views:

<model visible = "true" type = "VIRTUAL" name = "views"> <metadata type = "DDL"><![CDATA[ CREATE view v1 as select null as a union all select 1 as a; CREATE view mat_test_view_simplified as select a as a, a as b from views.v1 where a = null union all select a as a, a as b from views.v1 ]]> </metadata> </model>

5. Run the following command:

insert into test_dwh_pg.test_mat_simplified select * from views.mat_test_view_simplified ;;
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1. In postgresql create the test_mat_simplified table using the following script: CREATE TABLE public .test_mat_simplified ( a integer , b integer ); 2. Add postgresql database configuration in standalone-teiid.xml: <datasource jndi-name= "java:/test_dwh_pg" pool-name= "test_dwh_pg" enabled= "true" use-java-context= "true" > <connection-url> jdbc:postgresql://localhost:5432/test_dwh?charSet=utf8 </connection-url> <driver-class> org.postgresql.Driver </driver-class> <driver> org.postgresql </driver> <pool> <min-pool-size> 2 </min-pool-size> <max-pool-size> 70 </max-pool-size> <prefill> false </prefill> <use-strict-min> false </use-strict-min> <flush-strategy> FailingConnectionOnly </flush-strategy> </pool> <security> <user-name> XXXXX </user-name> <password> XXXXX </password> </security> <validation> <check-valid-connection-sql> select 0 </check-valid-connection-sql> </validation> <timeout> <blocking-timeout-millis> 120000 </blocking-timeout-millis> <idle-timeout-minutes> 5 </idle-timeout-minutes> </timeout> </datasource> 3. Add in test-vdb.xml java:/test_tables_pg configured in previous step as datasource: <model name= "test_dwh_pg" > <property name= "importer.useFullSchemaName" value= "false" /> <property name= "importer.tableTypes" value= "TABLE,VIEW" /> <property name= "importer.importKeys" value= "false" /> <source name= "test_dwh_pg" translator-name= "myPg" connection-jndi-name= "java:/test_dwh_pg" /> </model> 4. Configure in the test-vdb.xml the following virtual views: <model visible = "true" type = "VIRTUAL" name = "views" > <metadata type = "DDL" > <![CDATA[ CREATE view v1 as select null as a union all select 1 as a; CREATE view mat_test_view_simplified as select a as a, a as b from views.v1 where a = null union all select a as a, a as b from views.v1 ]]> </metadata> </model> 5. Run the following command: insert into test_dwh_pg.test_mat_simplified select * from views.mat_test_view_simplified ;;

An NPE occurs when running the following query:

insert into test_dwh_pg.test_mat_simplified select * from views.mat_test_view_simplified ;;

stacktrace:

2020-04-07 12:07:58,375 ERROR [org.teiid.PROCESSOR] (Worker0_QueryProcessorQueue26) tqwiPNv56nHR TEIID30019 Unexpected exception for request tqwiPNv56nHR.10: java.lang.NullPointerException                                                                                                                                                                                        at org.teiid.query.optimizer.relational.rules.RuleRaiseNull.raiseNullNode(RuleRaiseNull.java:174)                                                                                     at org.teiid.query.optimizer.relational.rules.RuleRaiseNull.execute(RuleRaiseNull.java:66)                                                                                            at org.teiid.query.optimizer.relational.RelationalPlanner.executeRules(RelationalPlanner.java:1101)                                                                                   at org.teiid.query.optimizer.relational.RelationalPlanner.optimize(RelationalPlanner.java:235)                                                                                        at org.teiid.query.optimizer.QueryOptimizer.optimizePlan(QueryOptimizer.java:181)                                                                                                     at org.teiid.dqp.internal.process.Request.generatePlan(Request.java:483)                                                                                                              at org.teiid.dqp.internal.process.Request.processRequest(Request.java:511)                                                                                                            at org.teiid.dqp.internal.process.RequestWorkItem.processNew(RequestWorkItem.java:671)                                                                                                at org.teiid.dqp.internal.process.RequestWorkItem.process(RequestWorkItem.java:350)                                                                                                   at org.teiid.dqp.internal.process.AbstractWorkItem.run(AbstractWorkItem.java:43)                                                                                                      at org.teiid.dqp.internal.process.RequestWorkItem.run(RequestWorkItem.java:284)                                                                                                       at org.teiid.dqp.internal.process.DQPWorkContext.runInContext(DQPWorkContext.java:281)                                                                                                at org.teiid.dqp.internal.process.ThreadReuseExecutor$RunnableWrapper.run(ThreadReuseExecutor.java:124)                                                                               at org.teiid.dqp.internal.process.ThreadReuseExecutor$2.run(ThreadReuseExecutor.java:212)                                                                                             at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)                                                                                                    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)                                                                                                    at java.lang.Thread.run(Thread.java:745)

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