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From "Alessandro Solimando (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CALCITE-2183) invocation of copy method in RelSubset class
Date Fri, 16 Feb 2018 19:28:00 GMT
Alessandro Solimando created CALCITE-2183:
---------------------------------------------

             Summary: invocation of copy method in RelSubset class
                 Key: CALCITE-2183
                 URL: https://issues.apache.org/jira/browse/CALCITE-2183
             Project: Calcite
          Issue Type: Bug
          Components: core
    Affects Versions: 1.16.0
            Reporter: Alessandro Solimando
            Assignee: Julian Hyde


Consider the following query:

{code:sql}
select *
from (values (1, 'a'), (2, 'b'), (3, 'b'), (4, 'c'), (2, 'c')) as t(x, y)
where x between 3 and 4
{code}

When executed, an exception is thrown (the full stack trace is at the end) in _copy_ method
in _RelSubset_ class, as the method is not meant to be called.
 
This happens (in this particular case) while Calcite is trying to get rid of unused terms
(specifically, _trimUnusedFields_ method from _SqlToRelConverted_ class).

This is problematic as the trace of calls is legitimate, so the method should be executable.

Complete stack trace documenting the issue:
{noformat}
java.lang.RuntimeException: With materializationsEnabled=false, limit=0
	at org.apache.calcite.test.CalciteAssert.assertQuery(CalciteAssert.java:600)
	at org.apache.calcite.test.CalciteAssert$AssertQuery.returns(CalciteAssert.java:1346)
	at org.apache.calcite.test.CalciteAssert$AssertQuery.returns(CalciteAssert.java:1329)
	at org.apache.calcite.test.CalciteAssert$AssertQuery.returnsUnordered(CalciteAssert.java:1357)
	at org.apache.calcite.test.SparkAdapterTest.commonTester(SparkAdapterTest.java:93)
	at org.apache.calcite.test.SparkAdapterTest.testFilterBetween(SparkAdapterTest.java:460)
	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.sql.SQLException: Error while executing SQL "select *
from (values (1, 'a'), (2, 'b'), (3, 'b'), (4, 'c'), (2, 'c')) as t(x, y)
where x between 3 and 4": 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 org.apache.calcite.test.CalciteAssert.assertQuery(CalciteAssert.java:568)
	... 27 more
Caused by: java.lang.UnsupportedOperationException
	at org.apache.calcite.plan.volcano.RelSubset.copy(RelSubset.java:149)
	at org.apache.calcite.sql2rel.SqlToRelConverter.trimUnusedFields(SqlToRelConverter.java:517)
	at org.apache.calcite.prepare.Prepare.trimUnusedFields(Prepare.java:391)
	at org.apache.calcite.prepare.Prepare.prepareSql(Prepare.java:304)
	at org.apache.calcite.prepare.Prepare.prepareSql(Prepare.java:230)
	at org.apache.calcite.prepare.CalcitePrepareImpl.prepare2_(CalcitePrepareImpl.java:781)
	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)
	... 29 more

java.lang.RuntimeException: exception while executing [select *
from (values (1, 'a'), (2, 'b'), (3, 'b'), (4, 'c'), (2, 'c')) as t(x, y)
where x between 3 and 4]

	at org.apache.calcite.test.CalciteAssert$AssertQuery.returns(CalciteAssert.java:1351)
	at org.apache.calcite.test.CalciteAssert$AssertQuery.returns(CalciteAssert.java:1329)
	at org.apache.calcite.test.CalciteAssert$AssertQuery.returnsUnordered(CalciteAssert.java:1357)
	at org.apache.calcite.test.SparkAdapterTest.commonTester(SparkAdapterTest.java:93)
	at org.apache.calcite.test.SparkAdapterTest.testFilterBetween(SparkAdapterTest.java:460)
	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: With materializationsEnabled=false, limit=0
	at org.apache.calcite.test.CalciteAssert.assertQuery(CalciteAssert.java:600)
	at org.apache.calcite.test.CalciteAssert$AssertQuery.returns(CalciteAssert.java:1346)
	... 26 more
Caused by: java.sql.SQLException: Error while executing SQL "select *
from (values (1, 'a'), (2, 'b'), (3, 'b'), (4, 'c'), (2, 'c')) as t(x, y)
where x between 3 and 4": 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 org.apache.calcite.test.CalciteAssert.assertQuery(CalciteAssert.java:568)
	... 27 more
Caused by: java.lang.UnsupportedOperationException
	at org.apache.calcite.plan.volcano.RelSubset.copy(RelSubset.java:149)
	at org.apache.calcite.sql2rel.SqlToRelConverter.trimUnusedFields(SqlToRelConverter.java:517)
	at org.apache.calcite.prepare.Prepare.trimUnusedFields(Prepare.java:391)
	at org.apache.calcite.prepare.Prepare.prepareSql(Prepare.java:304)
	at org.apache.calcite.prepare.Prepare.prepareSql(Prepare.java:230)
	at org.apache.calcite.prepare.CalcitePrepareImpl.prepare2_(CalcitePrepareImpl.java:781)
	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)
	... 29 more
{noformat}





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