Hi Gelbana, I haven't looked at your snippet but if you want to debug into generated code have a look at the following link: https://calcite.apache.org/docs/howto.html#debugging-generated-classes-in-intellij
Best, Stamatis 2018-04-21 14:07 GMT+02:00 Muhammad Gelbana <[email protected]>: > I'm trying to create the test case for this issue but I can't run a simple > query as a start. > > I'm facing the following exception > > java.sql.SQLException: exception while executing query: null > > at org.apache.calcite.avatica.Helper.createException(Helper.java:56) > at org.apache.calcite.avatica.Helper.createException(Helper.java:41) > at > org.apache.calcite.avatica.AvaticaConnection.executeQueryInternal( > AvaticaConnection.java:540) > at > org.apache.calcite.avatica.AvaticaPreparedStatement.executeQuery( > AvaticaPreparedStatement.java:133) > at > org.apache.calcite.tools.FrameworksTest.aggNPE(FrameworksTest.java:184) > 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.junit.runners.model.FrameworkMethod$1.runReflectiveCall( > FrameworkMethod.java:50) > at > org.junit.internal.runners.model.ReflectiveCallable.run( > ReflectiveCallable.java:12) > at > org.junit.runners.model.FrameworkMethod.invokeExplosively( > FrameworkMethod.java:47) > at > org.junit.internal.runners.statements.InvokeMethod. > evaluate(InvokeMethod.java:17) > at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325) > at > org.junit.runners.BlockJUnit4ClassRunner.runChild( > BlockJUnit4ClassRunner.java:78) > at > org.junit.runners.BlockJUnit4ClassRunner.runChild( > BlockJUnit4ClassRunner.java:57) > at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) > at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) > at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) > at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) > at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) > at org.junit.runners.ParentRunner.run(ParentRunner.java:363) > at org.junit.runner.JUnitCore.run(JUnitCore.java:137) > at > com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs( > JUnit4IdeaTestRunner.java:68) > at > com.intellij.rt.execution.junit.IdeaTestRunner$Repeater. > startRunnerWithArgs(IdeaTestRunner.java:47) > at > com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart( > JUnitStarter.java:242) > at > com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70) > > *Caused by: java.lang.NullPointerException at Baz.bind(Unknown Source)* > at > org.apache.calcite.adapter.enumerable.EnumerableBindable. > bind(EnumerableBindable.java:70) > at > org.apache.calcite.jdbc.CalcitePrepare$CalciteSignature.enumerable( > CalcitePrepare.java:365) > at > org.apache.calcite.jdbc.CalciteConnectionImpl.enumerable( > CalciteConnectionImpl.java:301) > at > org.apache.calcite.jdbc.CalciteMetaImpl._createIterable( > CalciteMetaImpl.java:559) > at > org.apache.calcite.jdbc.CalciteMetaImpl.createIterable( > CalciteMetaImpl.java:550) > at > org.apache.calcite.avatica.AvaticaResultSet.execute( > AvaticaResultSet.java:172) > at > org.apache.calcite.jdbc.CalciteResultSet.execute(CalciteResultSet.java:67) > at > org.apache.calcite.jdbc.CalciteResultSet.execute(CalciteResultSet.java:44) > at > org.apache.calcite.avatica.AvaticaConnection.executeQueryInternal( > AvaticaConnection.java:536) > ... 24 more > > This is the test case I'm working on > > @Test > public void aggNPE() throws SqlParseException, ValidationException, > RelConversionException, SQLException { > Function<Holder, Object> hook = (o1) -> { > o1.set(true); > return null; > }; > Hook.ENABLE_BINDABLE.add(hook); > > SchemaPlus rootSchema = Frameworks.createRootSchema(true); > final FrameworkConfig config = Frameworks.newConfigBuilder() > .defaultSchema(CalciteAssert.addSchema(rootSchema, > CalciteAssert.SchemaSpec.JDBC_FOODMART)) > .ruleSets(RuleSets.ofList(Bindables.RULES)) > .build(); > > Planner planner = Frameworks.getPlanner(config); > SqlNode parsed = planner.parse("SELECT * FROM \"sales_fact_1997\""); > SqlNode validated = planner.validate(parsed); > RelRoot rel = planner.rel(validated); > > PreparedStatement statement = RelRunners.run(rel.rel); > ResultSet rs = statement.executeQuery(); > > rs.close(); > statement.close(); > } > > I'm trying to be as close as possible to what I have in my schema so I > enabled the bindable convention and enabled the bindables rules. What am I > doing wrong here to cause this NPE ? > I can't debug into the *Baz* class to figure out what's going on as the > class seems to be generated at runtime or something. > > > Thanks, > Gelbana > > On Thu, Mar 29, 2018 at 1:34 AM, Muhammad Gelbana <[email protected]> > wrote: > > > With pleasure. I'll do that ASAP. > > > > Thanks, > > Gelbana > > > > On Thu, Mar 29, 2018 at 12:38 AM, Shuyi Chen <[email protected]> wrote: > > > >> It will be great if you can provide a test to reproduce the problem, and > >> attach it in the JIRA. > >> > >> On Wed, Mar 28, 2018 at 2:50 PM, Muhammad Gelbana <[email protected]> > >> wrote: > >> > >> > Absolutely: https://issues.apache.org/jira/browse/CALCITE-2228 > >> > > >> > Please tell me if I should modify any of the information I supplied. > >> Like > >> > the affected version\component. > >> > > >> > Thanks, > >> > Gelbana > >> > > >> > On Wed, Mar 28, 2018 at 11:26 PM, Julian Hyde <[email protected]> > wrote: > >> > > >> > > It does indeed look as if that piece of code (AggregateNode.java > line > >> > 149) > >> > > has never been run. Can you please log a JIRA case? > >> > > > >> > > > On Mar 28, 2018, at 1:42 PM, Muhammad Gelbana < > [email protected]> > >> > > wrote: > >> > > > > >> > > > Looking at this line > >> > > > <https://github.com/apache/calcite/blob/master/core/src/ > >> > > main/java/org/apache/calcite/interpreter/AggregateNode.java#L150>, > >> > > > and the referenced instance variable > >> > > > <https://github.com/apache/calcite/blob/master/core/src/ > >> > > main/java/org/apache/calcite/adapter/enumerable/AggImpState. > >> java#L33>, > >> > > > it looks to me that *int stateSize = agg.state.size* will always > >> throw > >> > a > >> > > > NPE because the *agg.state* object reference is never initialized > >> > before > >> > > > it's being used ! > >> > > > > >> > > > I'm facing the following exception > >> > > > > >> > > > java.sql.SQLException: Error while executing SQL "SELECT > >> > MAX(COUNTRY_ID), > >> > > > MAX(COUNTRY_TOTAL_ID) FROM SALES.COUNTRIES": null > >> > > > at org.apache.calcite.avatica.Helper.createException(Helper. > >> > java:56) > >> > > > at org.apache.calcite.avatica.Helper.createException(Helper. > >> > java:41) > >> > > > at > >> > > > org.apache.calcite.avatica.AvaticaStatement.executeInternal( > >> > > AvaticaStatement.java:156) > >> > > > at > >> > > > org.apache.calcite.avatica.AvaticaStatement.executeQuery( > >> > > AvaticaStatement.java:218) > >> > > > at > >> > > > com.mg.sqlinterface.data.provider.calcite.internal. > >> > > Test_SQLi.testMG(Test_SQLi.java:35) > >> > > > 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.junit.runners.model.FrameworkMethod$1.runReflectiveCall( > >> > > FrameworkMethod.java:50) > >> > > > at > >> > > > org.junit.internal.runners.model.ReflectiveCallable.run( > >> > > ReflectiveCallable.java:12) > >> > > > at > >> > > > org.junit.runners.model.FrameworkMethod.invokeExplosively( > >> > > FrameworkMethod.java:47) > >> > > > at > >> > > > org.junit.internal.runners.statements.InvokeMethod. > >> > > evaluate(InvokeMethod.java:17) > >> > > > at org.junit.runners.ParentRunner.runLeaf( > ParentRunner.java:325) > >> > > > at > >> > > > org.junit.runners.BlockJUnit4ClassRunner.runChild( > >> > > BlockJUnit4ClassRunner.java:78) > >> > > > at > >> > > > org.junit.runners.BlockJUnit4ClassRunner.runChild( > >> > > BlockJUnit4ClassRunner.java:57) > >> > > > at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) > >> > > > at org.junit.runners.ParentRunner$1.schedule( > ParentRunner.java: > >> 71) > >> > > > at org.junit.runners.ParentRunner.runChildren( > >> > ParentRunner.java:288) > >> > > > at org.junit.runners.ParentRunner.access$000( > ParentRunner.java: > >> 58) > >> > > > at org.junit.runners.ParentRunner$2.evaluate( > ParentRunner.java: > >> 268) > >> > > > at > >> > > > org.junit.internal.runners.statements.RunBefores. > >> > > evaluate(RunBefores.java:26) > >> > > > at > >> > > > org.junit.internal.runners.statements.RunAfters.evaluate( > >> > > RunAfters.java:27) > >> > > > at org.junit.runners.ParentRunner.run(ParentRunner.java:363) > >> > > > at > >> > > > org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run( > >> > > JUnit4TestReference.java:86) > >> > > > at > >> > > > org.eclipse.jdt.internal.junit.runner.TestExecution. > >> > > run(TestExecution.java:38) > >> > > > at > >> > > > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner. > >> > > runTests(RemoteTestRunner.java:459) > >> > > > at > >> > > > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner. > >> > > runTests(RemoteTestRunner.java:678) > >> > > > at > >> > > > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner. > >> > > run(RemoteTestRunner.java:382) > >> > > > at > >> > > > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner. > >> > > main(RemoteTestRunner.java:192) > >> > > > Caused by: *java.lang.NullPointerException* > >> > > > at org.apache.calcite.interpreter.AggregateNode. > getAccumulator( > >> > > > *AggregateNode.java:150*) > >> > > > at > >> > > > org.apache.calcite.interpreter.AggregateNode.< > >> > > init>(AggregateNode.java:86) > >> > > > at > >> > > > org.apache.calcite.interpreter.Nodes$CoreCompiler.visit( > >> Nodes.java:47) > >> > > > 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.apache.calcite.util.ReflectUtil.invokeVisitorInternal( > >> > > ReflectUtil.java:257) > >> > > > at > >> > > > org.apache.calcite.util.ReflectUtil.invokeVisitor( > >> > ReflectUtil.java:214) > >> > > > at > >> > > > org.apache.calcite.util.ReflectUtil$1.invokeVisitor( > >> > > ReflectUtil.java:464) > >> > > > at > >> > > > org.apache.calcite.interpreter.Interpreter$Compiler.visit( > >> Interpreter. > >> > > java:480) > >> > > > at > >> > > > org.apache.calcite.interpreter.Interpreter$Compiler.visitRoot( > >> > > Interpreter.java:437) > >> > > > at > >> > > > org.apache.calcite.interpreter.Interpreter.<init>( > >> Interpreter.java:78) > >> > > > at Baz.bind(Unknown Source) > >> > > > at > >> > > > org.apache.calcite.jdbc.CalcitePrepare$ > CalciteSignature.enumerable( > >> > > CalcitePrepare.java:365) > >> > > > at > >> > > > org.apache.calcite.jdbc.CalciteConnectionImpl.enumerable( > >> > > CalciteConnectionImpl.java:301) > >> > > > at > >> > > > org.apache.calcite.jdbc.CalciteMetaImpl._createIterable( > >> > > CalciteMetaImpl.java:559) > >> > > > at > >> > > > org.apache.calcite.jdbc.CalciteMetaImpl.createIterable( > >> > > CalciteMetaImpl.java:550) > >> > > > at > >> > > > org.apache.calcite.avatica.AvaticaResultSet.execute( > >> > > AvaticaResultSet.java:204) > >> > > > at > >> > > > org.apache.calcite.jdbc.CalciteResultSet.execute( > >> > > CalciteResultSet.java:67) > >> > > > at > >> > > > org.apache.calcite.jdbc.CalciteResultSet.execute( > >> > > CalciteResultSet.java:44) > >> > > > at > >> > > > org.apache.calcite.avatica.AvaticaConnection$1.execute( > >> > > AvaticaConnection.java:630) > >> > > > at > >> > > > org.apache.calcite.jdbc.CalciteMetaImpl.prepareAndExecute( > >> > > CalciteMetaImpl.java:619) > >> > > > at > >> > > > org.apache.calcite.avatica.AvaticaConnection. > >> > prepareAndExecuteInternal( > >> > > AvaticaConnection.java:638) > >> > > > at > >> > > > org.apache.calcite.avatica.AvaticaStatement.executeInternal( > >> > > AvaticaStatement.java:149) > >> > > > ... 27 more > >> > > > > >> > > > > >> > > > Thanks, > >> > > > Gelbana > >> > > > > >> > > > >> > > > >> > > >> > >> > >> > >> -- > >> "So you have to trust that the dots will somehow connect in your > future." > >> > > > > >
