[ 
https://issues.apache.org/jira/browse/CALCITE-847?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Sean Hsuan-Yi Chu updated CALCITE-847:
--------------------------------------
    Description: 
For example, 
{code}
select avg(deptno) over ()
from emp
group by deptno
{code}

gives 
{code}
java.lang.AssertionError: Internal error: while converting SUM(`EMP`.`DEPTNO`) 
/ COUNT(`EMP`.`DEPTNO`)
        at org.apache.calcite.util.Util.newInternal(Util.java:792)
        at 
org.apache.calcite.sql2rel.ReflectiveConvertletTable$1.convertCall(ReflectiveConvertletTable.java:96)
        at 
org.apache.calcite.sql2rel.SqlNodeToRexConverterImpl.convertCall(SqlNodeToRexConverterImpl.java:60)
        at 
org.apache.calcite.sql2rel.SqlToRelConverter$Blackboard.visit(SqlToRelConverter.java:4116)
        at 
org.apache.calcite.sql2rel.SqlToRelConverter$Blackboard.visit(SqlToRelConverter.java:3566)
        at org.apache.calcite.sql.SqlCall.accept(SqlCall.java:130)
        at 
org.apache.calcite.sql2rel.SqlToRelConverter$Blackboard.convertExpression(SqlToRelConverter.java:4009)
        at 
org.apache.calcite.sql2rel.StandardConvertletTable$AvgVarianceConvertlet.convertCall(StandardConvertletTable.java:1121)
        at 
org.apache.calcite.sql2rel.SqlNodeToRexConverterImpl.convertCall(SqlNodeToRexConverterImpl.java:60)
        at 
org.apache.calcite.sql2rel.SqlToRelConverter.convertOver(SqlToRelConverter.java:1786)
        at 
org.apache.calcite.sql2rel.SqlToRelConverter.access$1000(SqlToRelConverter.java:183)
        at 
org.apache.calcite.sql2rel.SqlToRelConverter$Blackboard.convertExpression(SqlToRelConverter.java:4002)
        at 
org.apache.calcite.sql2rel.SqlToRelConverter.createAggImpl(SqlToRelConverter.java:2548)
        at 
org.apache.calcite.sql2rel.SqlToRelConverter.convertAgg(SqlToRelConverter.java:2369)
        at 
org.apache.calcite.sql2rel.SqlToRelConverter.convertSelectImpl(SqlToRelConverter.java:620)
        at 
org.apache.calcite.sql2rel.SqlToRelConverter.convertSelect(SqlToRelConverter.java:581)
        at 
org.apache.calcite.sql2rel.SqlToRelConverter.convertQueryRecursive(SqlToRelConverter.java:2768)
        at 
org.apache.calcite.sql2rel.SqlToRelConverter.convertQuery(SqlToRelConverter.java:535)
        at 
org.apache.calcite.test.SqlToRelTestBase$TesterImpl.convertSqlToRel(SqlToRelTestBase.java:487)
        at 
org.apache.calcite.test.SqlToRelTestBase$TesterImpl.assertConvertsTo(SqlToRelTestBase.java:594)
        at 
org.apache.calcite.test.SqlToRelTestBase$TesterImpl.assertConvertsTo(SqlToRelTestBase.java:586)
        at 
org.apache.calcite.test.SqlToRelConverterTest$Sql.convertsTo(SqlToRelConverterTest.java:1421)
        at 
org.apache.calcite.test.SqlToRelConverterTest.check(SqlToRelConverterTest.java:55)
        at 
org.apache.calcite.test.SqlToRelConverterTest.test(SqlToRelConverterTest.java:59)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at 
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
        at 
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
        at 
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
        at 
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
        at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
        at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
        at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
        at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
        at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
        at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
        at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
        at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
        at org.junit.runner.JUnitCore.run(JUnitCore.java:160)
        at 
com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:74)
        at 
com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:211)
        at 
com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:67)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at com.intellij.rt.execution.application.AppMain.main(AppMain.java:134)
{code}
(Below is truncated.)

  was:
For example, 
{code}
select avg(deptno), avg(deptno) over ()
from emp
group by deptno
{code}

gives 
{code}
java.lang.AssertionError: Internal error: while converting SUM(`EMP`.`DEPTNO`) 
/ COUNT(`EMP`.`DEPTNO`)
        at org.apache.calcite.util.Util.newInternal(Util.java:792)
        at 
org.apache.calcite.sql2rel.ReflectiveConvertletTable$1.convertCall(ReflectiveConvertletTable.java:96)
        at 
org.apache.calcite.sql2rel.SqlNodeToRexConverterImpl.convertCall(SqlNodeToRexConverterImpl.java:60)
        at 
org.apache.calcite.sql2rel.SqlToRelConverter$Blackboard.visit(SqlToRelConverter.java:4116)
        at 
org.apache.calcite.sql2rel.SqlToRelConverter$Blackboard.visit(SqlToRelConverter.java:3566)
        at org.apache.calcite.sql.SqlCall.accept(SqlCall.java:130)
{code}
(Below is truncated.)


> Avg window function used along with Group-By leads to AssertionError
> --------------------------------------------------------------------
>
>                 Key: CALCITE-847
>                 URL: https://issues.apache.org/jira/browse/CALCITE-847
>             Project: Calcite
>          Issue Type: Bug
>            Reporter: Sean Hsuan-Yi Chu
>            Assignee: Sean Hsuan-Yi Chu
>
> For example, 
> {code}
> select avg(deptno) over ()
> from emp
> group by deptno
> {code}
> gives 
> {code}
> java.lang.AssertionError: Internal error: while converting 
> SUM(`EMP`.`DEPTNO`) / COUNT(`EMP`.`DEPTNO`)
>       at org.apache.calcite.util.Util.newInternal(Util.java:792)
>       at 
> org.apache.calcite.sql2rel.ReflectiveConvertletTable$1.convertCall(ReflectiveConvertletTable.java:96)
>       at 
> org.apache.calcite.sql2rel.SqlNodeToRexConverterImpl.convertCall(SqlNodeToRexConverterImpl.java:60)
>       at 
> org.apache.calcite.sql2rel.SqlToRelConverter$Blackboard.visit(SqlToRelConverter.java:4116)
>       at 
> org.apache.calcite.sql2rel.SqlToRelConverter$Blackboard.visit(SqlToRelConverter.java:3566)
>       at org.apache.calcite.sql.SqlCall.accept(SqlCall.java:130)
>       at 
> org.apache.calcite.sql2rel.SqlToRelConverter$Blackboard.convertExpression(SqlToRelConverter.java:4009)
>       at 
> org.apache.calcite.sql2rel.StandardConvertletTable$AvgVarianceConvertlet.convertCall(StandardConvertletTable.java:1121)
>       at 
> org.apache.calcite.sql2rel.SqlNodeToRexConverterImpl.convertCall(SqlNodeToRexConverterImpl.java:60)
>       at 
> org.apache.calcite.sql2rel.SqlToRelConverter.convertOver(SqlToRelConverter.java:1786)
>       at 
> org.apache.calcite.sql2rel.SqlToRelConverter.access$1000(SqlToRelConverter.java:183)
>       at 
> org.apache.calcite.sql2rel.SqlToRelConverter$Blackboard.convertExpression(SqlToRelConverter.java:4002)
>       at 
> org.apache.calcite.sql2rel.SqlToRelConverter.createAggImpl(SqlToRelConverter.java:2548)
>       at 
> org.apache.calcite.sql2rel.SqlToRelConverter.convertAgg(SqlToRelConverter.java:2369)
>       at 
> org.apache.calcite.sql2rel.SqlToRelConverter.convertSelectImpl(SqlToRelConverter.java:620)
>       at 
> org.apache.calcite.sql2rel.SqlToRelConverter.convertSelect(SqlToRelConverter.java:581)
>       at 
> org.apache.calcite.sql2rel.SqlToRelConverter.convertQueryRecursive(SqlToRelConverter.java:2768)
>       at 
> org.apache.calcite.sql2rel.SqlToRelConverter.convertQuery(SqlToRelConverter.java:535)
>       at 
> org.apache.calcite.test.SqlToRelTestBase$TesterImpl.convertSqlToRel(SqlToRelTestBase.java:487)
>       at 
> org.apache.calcite.test.SqlToRelTestBase$TesterImpl.assertConvertsTo(SqlToRelTestBase.java:594)
>       at 
> org.apache.calcite.test.SqlToRelTestBase$TesterImpl.assertConvertsTo(SqlToRelTestBase.java:586)
>       at 
> org.apache.calcite.test.SqlToRelConverterTest$Sql.convertsTo(SqlToRelConverterTest.java:1421)
>       at 
> org.apache.calcite.test.SqlToRelConverterTest.check(SqlToRelConverterTest.java:55)
>       at 
> org.apache.calcite.test.SqlToRelConverterTest.test(SqlToRelConverterTest.java:59)
>       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>       at 
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
>       at 
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
>       at 
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
>       at 
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
>       at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
>       at 
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
>       at 
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
>       at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
>       at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
>       at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
>       at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
>       at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
>       at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
>       at org.junit.runner.JUnitCore.run(JUnitCore.java:160)
>       at 
> com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:74)
>       at 
> com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:211)
>       at 
> com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:67)
>       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>       at com.intellij.rt.execution.application.AppMain.main(AppMain.java:134)
> {code}
> (Below is truncated.)



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