[ https://issues.apache.org/jira/browse/CALCITE-5289?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mou Wu reassigned CALCITE-5289: ------------------------------- Assignee: Mou Wu > Assertion failure in MultiJoinOptimizeBushyRule > ----------------------------------------------- > > Key: CALCITE-5289 > URL: https://issues.apache.org/jira/browse/CALCITE-5289 > Project: Calcite > Issue Type: Bug > Components: core > Affects Versions: 1.32.0 > Reporter: Mihai Budiu > Assignee: Mou Wu > Priority: Minor > > The reproduction is easy: just modify the following test case from > PlannerTest.java: > > — a/core/src/test/java/org/apache/calcite/tools/PlannerTest.java > +++ b/core/src/test/java/org/apache/calcite/tools/PlannerTest.java > {{{{{}@@ -1005,7 +1005,7 @@ private void checkJoinNWay(int n) throws > Exception {{}}}}} > {{private void checkHeuristic(String sql, String expected) throws Exception > {}} > {{ Planner planner = getPlanner(null,}} > {{- Programs.heuristicJoinOrder(Programs.RULE_SET, false, 0));}} > {{+ Programs.heuristicJoinOrder(Programs.RULE_SET, true, 0));}} > {{ SqlNode parse = planner.parse(sql);}} > {{ SqlNode validate = planner.validate(parse);}} > {{ RelNode convert = planner.rel(validate).rel;}} > > Then the test fails with the exception shown below. This happens with the > latest version of calcite, the main branch. > It looks like the rule does not account for the fact that outer joins can > produce results with a different nullability than the input relations. > The exception can be triggered even for very simple outer join queries, e.g.: > SELECT T1.COL3 FROM T AS T1 LEFT JOIN T AS T2 ON T1.COL1 = T2.COL5 > > The only workaround I found is to make sure this rule is never applied when a > query contains an outer join. > > Here is the Java stack trace: > {{java.lang.RuntimeException: Error while applying rule > MultiJoinOptimizeBushyRule, args > [rel#44:MultiJoin.NONE.[](input#0=RelSubset#42,input#1=RelSubset#43,joinFilter=true,isFullOuterJoin=false,joinTypes=[RIGHT, > INNER],outerJoinConditions=[=($0, $10), NULL],projFields=[ALL, ALL])]}} > > {{ at > org.apache.calcite.plan.volcano.VolcanoRuleCall.onMatch(VolcanoRuleCall.java:250)}} > {{ at > org.apache.calcite.plan.volcano.IterativeRuleDriver.drive(IterativeRuleDriver.java:59)}} > {{ at > org.apache.calcite.plan.volcano.VolcanoPlanner.findBestExp(VolcanoPlanner.java:523)}} > {{ at > org.apache.calcite.tools.Programs$RuleSetProgram.run(Programs.java:318)}} > {{ at > org.apache.calcite.tools.Programs$SequenceProgram.run(Programs.java:337)}} > {{ at > org.apache.calcite.tools.Programs.lambda$heuristicJoinOrder$1(Programs.java:223)}} > {{ at > org.apache.calcite.prepare.PlannerImpl.transform(PlannerImpl.java:373)}} > {{ at > org.apache.calcite.tools.PlannerTest.checkHeuristic(PlannerTest.java:1014)}} > {{ at > org.apache.calcite.tools.PlannerTest.testHeuristicRightJoin(PlannerTest.java:1003)}} > {{ at sun.reflect.NativeMethodAccessorImpl.invoke0(Native > Method)}} > {{ at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)}} > {{ at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)}} > {{ at java.lang.reflect.Method.invoke(Method.java:498)}} > {{ at > org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:725)}} > {{ at > org.junit.jupiter.engine.execution.MethodInvocation.proceed(MethodInvocation.java:60)}} > {{ at > org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:131)}} > {{ at > org.junit.jupiter.engine.extension.TimeoutExtension.intercept(TimeoutExtension.java:149)}} > {{ at > org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestableMethod(TimeoutExtension.java:140)}} > {{ at > org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestMethod(TimeoutExtension.java:84)}} > {{ at > org.junit.jupiter.engine.execution.ExecutableInvoker$ReflectiveInterceptorCall.lambda$ofVoidMethod$0(ExecutableInvoker.java:115)}} > {{ at > org.junit.jupiter.engine.execution.ExecutableInvoker.lambda$invoke$0(ExecutableInvoker.java:105)}} > {{ at > org.junit.jupiter.engine.execution.InvocationInterceptorChain$InterceptedInvocation.proceed(InvocationInterceptorChain.java:106)}} > {{ at > org.junit.jupiter.engine.execution.InvocationInterceptorChain.proceed(InvocationInterceptorChain.java:64)}} > {{ at > org.junit.jupiter.engine.execution.InvocationInterceptorChain.chainAndInvoke(InvocationInterceptorChain.java:45)}} > {{ at > org.junit.jupiter.engine.execution.InvocationInterceptorChain.invoke(InvocationInterceptorChain.java:37)}} > {{ at > org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:104)}} > {{ at > org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:98)}} > {{ at > org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$invokeTestMethod$7(TestMethodTestDescriptor.java:214)}} > {{ at > org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)}} > {{ at > org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.invokeTestMethod(TestMethodTestDescriptor.java:210)}} > {{ at > org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:135)}} > {{ at > org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:66)}} > {{ at > org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:151)}} > {{ at > org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)}} > {{ at > org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141)}} > {{ at > org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)}} > {{ at > org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139)}} > {{ at > org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)}} > {{ at > org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138)}} > {{ at > org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95)}} > {{ at java.util.ArrayList.forEach(ArrayList.java:1257)}} > {{ at > org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41)}} > {{ at > org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155)}} > {{ at > org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)}} > {{ at > org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141)}} > {{ at > org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)}} > {{ at > org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139)}} > {{ at > org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)}} > {{ at > org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138)}} > {{ at > org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95)}} > {{ at java.util.ArrayList.forEach(ArrayList.java:1257)}} > {{ at > org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41)}} > {{ at > org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155)}} > {{ at > org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)}} > {{ at > org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141)}} > {{ at > org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)}} > {{ at > org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139)}} > {{ at > org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)}} > {{ at > org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138)}} > {{ at > org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95)}} > {{ at > org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:35)}} > {{ at > org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57)}} > {{ at > org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:54)}} > {{ at > org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:107)}} > {{ at > org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:88)}} > {{ at > org.junit.platform.launcher.core.EngineExecutionOrchestrator.lambda$execute$0(EngineExecutionOrchestrator.java:54)}} > {{ at > org.junit.platform.launcher.core.EngineExecutionOrchestrator.withInterceptedStreams(EngineExecutionOrchestrator.java:67)}} > {{ at > org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:52)}} > {{ at > org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:114)}} > {{ at > org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:86)}} > {{ at > org.junit.platform.launcher.core.DefaultLauncherSession$DelegatingLauncher.execute(DefaultLauncherSession.java:86)}} > {{ at > org.junit.platform.launcher.core.SessionPerRequestLauncher.execute(SessionPerRequestLauncher.java:53)}} > {{ at > com.intellij.junit5.JUnit5IdeaTestRunner.startRunnerWithArgs(JUnit5IdeaTestRunner.java:71)}} > {{ at > com.intellij.rt.junit.IdeaTestRunner$Repeater$1.execute(IdeaTestRunner.java:38)}} > {{ at > com.intellij.rt.execution.junit.TestsRepeater.repeat(TestsRepeater.java:11)}} > {{ at > com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:35)}} > {{ at > com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:235)}} > {{ at > com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:54)}} > {{Caused by: java.lang.RuntimeException: Error occurred while applying rule > MultiJoinOptimizeBushyRule}} > {{ at > org.apache.calcite.plan.volcano.VolcanoRuleCall.transformTo(VolcanoRuleCall.java:157)}} > {{ at > org.apache.calcite.plan.RelOptRuleCall.transformTo(RelOptRuleCall.java:269)}} > {{ at > org.apache.calcite.plan.RelOptRuleCall.transformTo(RelOptRuleCall.java:284)}} > {{ at > org.apache.calcite.rel.rules.MultiJoinOptimizeBushyRule.onMatch(MultiJoinOptimizeBushyRule.java:292)}} > {{ at > org.apache.calcite.plan.volcano.VolcanoRuleCall.onMatch(VolcanoRuleCall.java:223)}} > {{ ... 77 more}} > {{Caused by: java.lang.IllegalArgumentException: Type mismatch:}} > {{rel rowtype: RecordType(JavaType(int) NOT NULL empid, JavaType(int) NOT > NULL deptno, JavaType(class java.lang.String) name, JavaType(float) NOT NULL > salary, JavaType(class java.lang.Integer) commission, JavaType(int) NOT NULL > deptno0, JavaType(class java.lang.String) name0, RecordType(JavaType(int) NOT > NULL empid, JavaType(int) NOT NULL deptno, JavaType(class java.lang.String) > name, JavaType(float) NOT NULL salary, JavaType(class java.lang.Integer) > commission) NOT NULL ARRAY NOT NULL employees, JavaType(int) NOT NULL x, > JavaType(int) NOT NULL y, JavaType(int) NOT NULL empid0, JavaType(class > java.lang.String) name1) NOT NULL}} > {{equiv rowtype: RecordType(JavaType(class java.lang.Integer) empid, > JavaType(class java.lang.Integer) deptno, JavaType(class java.lang.String) > name, JavaType(class java.lang.Float) salary, JavaType(class > java.lang.Integer) commission, JavaType(class java.lang.Integer) deptno0, > JavaType(class java.lang.String) name0, RecordType(JavaType(int) NOT NULL > empid, JavaType(int) NOT NULL deptno, JavaType(class java.lang.String) name, > JavaType(float) NOT NULL salary, JavaType(class java.lang.Integer) > commission) NOT NULL ARRAY employees, JavaType(class java.lang.Integer) x, > JavaType(class java.lang.Integer) y, JavaType(int) NOT NULL empid0, > JavaType(class java.lang.String) name1) NOT NULL}} > {{Difference:}} > {{empid: JavaType(int) NOT NULL -> JavaType(class java.lang.Integer)}} > {{deptno: JavaType(int) NOT NULL -> JavaType(class java.lang.Integer)}} > {{salary: JavaType(float) NOT NULL -> JavaType(class java.lang.Float)}} > {{deptno0: JavaType(int) NOT NULL -> JavaType(class java.lang.Integer)}} > {{employees: RecordType(JavaType(int) NOT NULL empid, JavaType(int) NOT NULL > deptno, JavaType(class java.lang.String) name, JavaType(float) NOT NULL > salary, JavaType(class java.lang.Integer) commission) NOT NULL ARRAY NOT NULL > -> RecordType(JavaType(int) NOT NULL empid, JavaType(int) NOT NULL deptno, > JavaType(class java.lang.String) name, JavaType(float) NOT NULL salary, > JavaType(class java.lang.Integer) commission) NOT NULL ARRAY}} > {{x: JavaType(int) NOT NULL -> JavaType(class java.lang.Integer)}} > {{y: JavaType(int) NOT NULL -> JavaType(class java.lang.Integer)}} > > {{ at > org.apache.calcite.plan.volcano.VolcanoPlanner.register(VolcanoPlanner.java:592)}} > {{ at > org.apache.calcite.plan.volcano.VolcanoPlanner.ensureRegistered(VolcanoPlanner.java:613)}} > {{ at > org.apache.calcite.plan.volcano.VolcanoRuleCall.transformTo(VolcanoRuleCall.java:144)}} > {{ ... 81 more}} > > -- This message was sent by Atlassian Jira (v8.20.10#820010)