[CALCITE-3348] AssertionError while determining distribution of Calc

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.22.0
• Component/s: core
• Labels: pull-request-available
• Assignee: Unassigned
• Reporter: Wang Yanlin
• Created: 16/Sep/19 03:16
• Updated: 06/Mar/20 04:36
• Resolved: 21/Sep/19 01:02

Description

When using EnumerableCalcRule with RelDistributionTraitDef for planner, got

java.lang.AssertionError
	at org.apache.calcite.rel.metadata.RelMdDistribution.calc(RelMdDistribution.java:144)
	at org.apache.calcite.rel.logical.LogicalCalc.lambda$create$1(LogicalCalc.java:108)
	at org.apache.calcite.plan.RelTraitSet.replaceIf(RelTraitSet.java:249)
	at org.apache.calcite.rel.logical.LogicalCalc.create(LogicalCalc.java:107)
	at org.apache.calcite.rel.rules.FilterToCalcRule.onMatch(FilterToCalcRule.java:77)
	at org.apache.calcite.plan.volcano.VolcanoRuleCall.onMatch(VolcanoRuleCall.java:208)
	at org.apache.calcite.plan.volcano.VolcanoPlanner.findBestExp(VolcanoPlanner.java:631)
	at org.apache.calcite.tools.Programs$RuleSetProgram.run(Programs.java:327)
	at org.apache.calcite.test.RelOptRulesTest.testEnumerableCalcRule(RelOptRulesTest.java:6346)
	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)

Issue Links

• links to: GitHub Pull Request #1454