[ 
https://issues.apache.org/jira/browse/CALCITE-3254?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Wang Yanlin updated CALCITE-3254:
---------------------------------
    Description: 
case 1:

When deserializing of logical rel haveing interval type, AssertionError occurs.

The exception stacktrace as follow:
{code:java}
java.lang.RuntimeException: java.lang.RuntimeException: 
java.lang.AssertionError: use createSqlIntervalType() instead

        at org.apache.calcite.tools.Frameworks.withPrepare(Frameworks.java:181)
        at org.apache.calcite.tools.Frameworks.withPlanner(Frameworks.java:125)
        at org.apache.calcite.tools.Frameworks.withPlanner(Frameworks.java:143)
        at 
org.apache.calcite.plan.RelWriterTest.testInterval(RelWriterTest.java:639)
        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.RuntimeException: java.lang.AssertionError: use 
createSqlIntervalType() instead
        at 
org.apache.calcite.rel.externalize.RelJsonReader.readRel(RelJsonReader.java:271)
        at 
org.apache.calcite.rel.externalize.RelJsonReader.readRels(RelJsonReader.java:91)
        at 
org.apache.calcite.rel.externalize.RelJsonReader.read(RelJsonReader.java:85)
        at 
org.apache.calcite.plan.RelWriterTest.lambda$testInterval$8(RelWriterTest.java:644)
        at 
org.apache.calcite.tools.Frameworks.lambda$withPlanner$0(Frameworks.java:130)
        at 
org.apache.calcite.prepare.CalcitePrepareImpl.perform(CalcitePrepareImpl.java:915)
        at org.apache.calcite.tools.Frameworks.withPrepare(Frameworks.java:179)
        ... 25 more
Caused by: java.lang.AssertionError: use createSqlIntervalType() instead
        at 
org.apache.calcite.sql.type.SqlTypeFactoryImpl.assertBasic(SqlTypeFactoryImpl.java:222)
        at 
org.apache.calcite.sql.type.SqlTypeFactoryImpl.createSqlType(SqlTypeFactoryImpl.java:75)
        at org.apache.calcite.rel.externalize.RelJson.toType(RelJson.java:222)
        at org.apache.calcite.rel.externalize.RelJson.toRex(RelJson.java:516)
        at 
org.apache.calcite.rel.externalize.RelJson.toRexList(RelJson.java:607)
        at org.apache.calcite.rel.externalize.RelJson.toRex(RelJson.java:447)
        at 
org.apache.calcite.rel.externalize.RelJsonReader$2.getExpressionList(RelJsonReader.java:204)
        at org.apache.calcite.rel.core.Project.<init>(Project.java:100)
        at 
org.apache.calcite.rel.logical.LogicalProject.<init>(LogicalProject.java:88)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at 
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
        at 
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
        at 
org.apache.calcite.rel.externalize.RelJsonReader.readRel(RelJsonReader.java:261)
        ... 31 more
{code}

case 2:
when deserializing for RexOver with empty parititon key or order key, 
NullPointerException occurs, like this

{code:java}
java.lang.RuntimeException: java.lang.NullPointerException

        at org.apache.calcite.tools.Frameworks.withPrepare(Frameworks.java:181)
        at org.apache.calcite.tools.Frameworks.withPlanner(Frameworks.java:125)
        at org.apache.calcite.tools.Frameworks.withPlanner(Frameworks.java:143)
        at 
org.apache.calcite.plan.RelWriterTest.deserializeAndDumpToTextFormat(RelWriterTest.java:709)
        at 
org.apache.calcite.plan.RelWriterTest.testOver(RelWriterTest.java:682)
        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 
org.apache.calcite.rel.externalize.RelJson.toRexList(RelJson.java:613)
        at org.apache.calcite.rel.externalize.RelJson.toRex(RelJson.java:460)
        at 
org.apache.calcite.rel.externalize.RelJsonReader$2.getExpressionList(RelJsonReader.java:204)
        at org.apache.calcite.rel.core.Project.<init>(Project.java:100)
        at 
org.apache.calcite.rel.logical.LogicalProject.<init>(LogicalProject.java:88)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at 
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
        at 
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
        at 
org.apache.calcite.rel.externalize.RelJsonReader.readRel(RelJsonReader.java:261)
        at 
org.apache.calcite.rel.externalize.RelJsonReader.readRels(RelJsonReader.java:91)
        at 
org.apache.calcite.rel.externalize.RelJsonReader.read(RelJsonReader.java:85)
        at 
org.apache.calcite.plan.RelWriterTest.lambda$deserializeAndDumpToTextFormat$5(RelWriterTest.java:714)
        at 
org.apache.calcite.tools.Frameworks.lambda$withPlanner$0(Frameworks.java:130)
        at 
org.apache.calcite.prepare.CalcitePrepareImpl.perform(CalcitePrepareImpl.java:915)
        at org.apache.calcite.tools.Frameworks.withPrepare(Frameworks.java:179)
        ... 26 more
{code}


  was:
When deserializing of logical rel haveing interval type, AssertionError occurs.

The exception stacktrace as follow:
{code:java}
java.lang.RuntimeException: java.lang.RuntimeException: 
java.lang.AssertionError: use createSqlIntervalType() instead

        at org.apache.calcite.tools.Frameworks.withPrepare(Frameworks.java:181)
        at org.apache.calcite.tools.Frameworks.withPlanner(Frameworks.java:125)
        at org.apache.calcite.tools.Frameworks.withPlanner(Frameworks.java:143)
        at 
org.apache.calcite.plan.RelWriterTest.testInterval(RelWriterTest.java:639)
        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.RuntimeException: java.lang.AssertionError: use 
createSqlIntervalType() instead
        at 
org.apache.calcite.rel.externalize.RelJsonReader.readRel(RelJsonReader.java:271)
        at 
org.apache.calcite.rel.externalize.RelJsonReader.readRels(RelJsonReader.java:91)
        at 
org.apache.calcite.rel.externalize.RelJsonReader.read(RelJsonReader.java:85)
        at 
org.apache.calcite.plan.RelWriterTest.lambda$testInterval$8(RelWriterTest.java:644)
        at 
org.apache.calcite.tools.Frameworks.lambda$withPlanner$0(Frameworks.java:130)
        at 
org.apache.calcite.prepare.CalcitePrepareImpl.perform(CalcitePrepareImpl.java:915)
        at org.apache.calcite.tools.Frameworks.withPrepare(Frameworks.java:179)
        ... 25 more
Caused by: java.lang.AssertionError: use createSqlIntervalType() instead
        at 
org.apache.calcite.sql.type.SqlTypeFactoryImpl.assertBasic(SqlTypeFactoryImpl.java:222)
        at 
org.apache.calcite.sql.type.SqlTypeFactoryImpl.createSqlType(SqlTypeFactoryImpl.java:75)
        at org.apache.calcite.rel.externalize.RelJson.toType(RelJson.java:222)
        at org.apache.calcite.rel.externalize.RelJson.toRex(RelJson.java:516)
        at 
org.apache.calcite.rel.externalize.RelJson.toRexList(RelJson.java:607)
        at org.apache.calcite.rel.externalize.RelJson.toRex(RelJson.java:447)
        at 
org.apache.calcite.rel.externalize.RelJsonReader$2.getExpressionList(RelJsonReader.java:204)
        at org.apache.calcite.rel.core.Project.<init>(Project.java:100)
        at 
org.apache.calcite.rel.logical.LogicalProject.<init>(LogicalProject.java:88)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at 
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
        at 
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
        at 
org.apache.calcite.rel.externalize.RelJsonReader.readRel(RelJsonReader.java:261)
        ... 31 more
{code}


> AssertionError while deserializing of interval type.
> ----------------------------------------------------
>
>                 Key: CALCITE-3254
>                 URL: https://issues.apache.org/jira/browse/CALCITE-3254
>             Project: Calcite
>          Issue Type: Bug
>            Reporter: Wang Yanlin
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> case 1:
> When deserializing of logical rel haveing interval type, AssertionError 
> occurs.
> The exception stacktrace as follow:
> {code:java}
> java.lang.RuntimeException: java.lang.RuntimeException: 
> java.lang.AssertionError: use createSqlIntervalType() instead
>       at org.apache.calcite.tools.Frameworks.withPrepare(Frameworks.java:181)
>       at org.apache.calcite.tools.Frameworks.withPlanner(Frameworks.java:125)
>       at org.apache.calcite.tools.Frameworks.withPlanner(Frameworks.java:143)
>       at 
> org.apache.calcite.plan.RelWriterTest.testInterval(RelWriterTest.java:639)
>       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.RuntimeException: java.lang.AssertionError: use 
> createSqlIntervalType() instead
>       at 
> org.apache.calcite.rel.externalize.RelJsonReader.readRel(RelJsonReader.java:271)
>       at 
> org.apache.calcite.rel.externalize.RelJsonReader.readRels(RelJsonReader.java:91)
>       at 
> org.apache.calcite.rel.externalize.RelJsonReader.read(RelJsonReader.java:85)
>       at 
> org.apache.calcite.plan.RelWriterTest.lambda$testInterval$8(RelWriterTest.java:644)
>       at 
> org.apache.calcite.tools.Frameworks.lambda$withPlanner$0(Frameworks.java:130)
>       at 
> org.apache.calcite.prepare.CalcitePrepareImpl.perform(CalcitePrepareImpl.java:915)
>       at org.apache.calcite.tools.Frameworks.withPrepare(Frameworks.java:179)
>       ... 25 more
> Caused by: java.lang.AssertionError: use createSqlIntervalType() instead
>       at 
> org.apache.calcite.sql.type.SqlTypeFactoryImpl.assertBasic(SqlTypeFactoryImpl.java:222)
>       at 
> org.apache.calcite.sql.type.SqlTypeFactoryImpl.createSqlType(SqlTypeFactoryImpl.java:75)
>       at org.apache.calcite.rel.externalize.RelJson.toType(RelJson.java:222)
>       at org.apache.calcite.rel.externalize.RelJson.toRex(RelJson.java:516)
>       at 
> org.apache.calcite.rel.externalize.RelJson.toRexList(RelJson.java:607)
>       at org.apache.calcite.rel.externalize.RelJson.toRex(RelJson.java:447)
>       at 
> org.apache.calcite.rel.externalize.RelJsonReader$2.getExpressionList(RelJsonReader.java:204)
>       at org.apache.calcite.rel.core.Project.<init>(Project.java:100)
>       at 
> org.apache.calcite.rel.logical.LogicalProject.<init>(LogicalProject.java:88)
>       at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
>       at 
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
>       at 
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
>       at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
>       at 
> org.apache.calcite.rel.externalize.RelJsonReader.readRel(RelJsonReader.java:261)
>       ... 31 more
> {code}
> case 2:
> when deserializing for RexOver with empty parititon key or order key, 
> NullPointerException occurs, like this
> {code:java}
> java.lang.RuntimeException: java.lang.NullPointerException
>       at org.apache.calcite.tools.Frameworks.withPrepare(Frameworks.java:181)
>       at org.apache.calcite.tools.Frameworks.withPlanner(Frameworks.java:125)
>       at org.apache.calcite.tools.Frameworks.withPlanner(Frameworks.java:143)
>       at 
> org.apache.calcite.plan.RelWriterTest.deserializeAndDumpToTextFormat(RelWriterTest.java:709)
>       at 
> org.apache.calcite.plan.RelWriterTest.testOver(RelWriterTest.java:682)
>       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 
> org.apache.calcite.rel.externalize.RelJson.toRexList(RelJson.java:613)
>       at org.apache.calcite.rel.externalize.RelJson.toRex(RelJson.java:460)
>       at 
> org.apache.calcite.rel.externalize.RelJsonReader$2.getExpressionList(RelJsonReader.java:204)
>       at org.apache.calcite.rel.core.Project.<init>(Project.java:100)
>       at 
> org.apache.calcite.rel.logical.LogicalProject.<init>(LogicalProject.java:88)
>       at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
>       at 
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
>       at 
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
>       at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
>       at 
> org.apache.calcite.rel.externalize.RelJsonReader.readRel(RelJsonReader.java:261)
>       at 
> org.apache.calcite.rel.externalize.RelJsonReader.readRels(RelJsonReader.java:91)
>       at 
> org.apache.calcite.rel.externalize.RelJsonReader.read(RelJsonReader.java:85)
>       at 
> org.apache.calcite.plan.RelWriterTest.lambda$deserializeAndDumpToTextFormat$5(RelWriterTest.java:714)
>       at 
> org.apache.calcite.tools.Frameworks.lambda$withPlanner$0(Frameworks.java:130)
>       at 
> org.apache.calcite.prepare.CalcitePrepareImpl.perform(CalcitePrepareImpl.java:915)
>       at org.apache.calcite.tools.Frameworks.withPrepare(Frameworks.java:179)
>       ... 26 more
> {code}



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