Volodymyr Vysotskyi created CALCITE-2029:
--------------------------------------------
Summary: Query with "is distinct from" condition in where clause
fails with AssertionError: Cast for just nullability not allowed
Key: CALCITE-2029
URL: https://issues.apache.org/jira/browse/CALCITE-2029
Project: Calcite
Issue Type: Bug
Components: core
Reporter: Volodymyr Vysotskyi
Assignee: Julian Hyde
Priority: Major
Query
{code:sql}
select * from "foodmart"."employee" as e1 where e1."last_name" is distinct from
e1."last_name"
{code}
fails with error:
{noformat}
java.lang.AssertionError: Cast for just nullability not allowed
at org.apache.calcite.util.Litmus$1.fail(Litmus.java:31)
at org.apache.calcite.rel.core.Filter.isValid(Filter.java:116)
at
org.apache.calcite.rel.AbstractRelNode.onRegister(AbstractRelNode.java:353)
at
org.apache.calcite.plan.volcano.VolcanoPlanner.registerImpl(VolcanoPlanner.java:1495)
at
org.apache.calcite.plan.volcano.VolcanoPlanner.register(VolcanoPlanner.java:863)
at
org.apache.calcite.plan.volcano.VolcanoPlanner.ensureRegistered(VolcanoPlanner.java:883)
at
org.apache.calcite.plan.volcano.VolcanoPlanner.ensureRegistered(VolcanoPlanner.java:101)
at
org.apache.calcite.rel.AbstractRelNode.onRegister(AbstractRelNode.java:336)
at
org.apache.calcite.plan.volcano.VolcanoPlanner.registerImpl(VolcanoPlanner.java:1495)
at
org.apache.calcite.plan.volcano.VolcanoPlanner.setRoot(VolcanoPlanner.java:308)
at org.apache.calcite.tools.Programs$5.run(Programs.java:309)
at
org.apache.calcite.tools.Programs$SequenceProgram.run(Programs.java:387)
at org.apache.calcite.prepare.Prepare.optimize(Prepare.java:187)
at org.apache.calcite.prepare.Prepare.prepareSql(Prepare.java:318)
at org.apache.calcite.prepare.Prepare.prepareSql(Prepare.java:229)
at
org.apache.calcite.prepare.CalcitePrepareImpl.prepare2_(CalcitePrepareImpl.java:786)
at
org.apache.calcite.prepare.CalcitePrepareImpl.prepare_(CalcitePrepareImpl.java:640)
at
org.apache.calcite.prepare.CalcitePrepareImpl.prepareSql(CalcitePrepareImpl.java:610)
at
org.apache.calcite.jdbc.CalciteConnectionImpl.parseQuery(CalciteConnectionImpl.java:221)
at
org.apache.calcite.jdbc.CalciteMetaImpl.prepareAndExecute(CalciteMetaImpl.java:603)
at
org.apache.calcite.avatica.AvaticaConnection.prepareAndExecuteInternal(AvaticaConnection.java:638)
at
org.apache.calcite.avatica.AvaticaStatement.executeInternal(AvaticaStatement.java:149)
at
org.apache.calcite.avatica.AvaticaStatement.executeQuery(AvaticaStatement.java:218)
at
org.apache.calcite.test.CalciteAssert.assertQuery(CalciteAssert.java:564)
at
org.apache.calcite.test.CalciteAssert$AssertQuery.runs(CalciteAssert.java:1397)
at
org.apache.calcite.test.JdbcTest.testMixedEqualAndIsNotDistinctJoin(JdbcTest.java:1593)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
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)
{noformat}
Method {{RelOptUtil.isDistinctFrom()}} makes an additional cast to NOT NULL
BOOLEAN during the creation of the condition. This condition is not simplified
before the time when it is passed into the filter constructor, therefore method
{{Filter.isValid()}} throws AssertionError.
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