[ 
https://issues.apache.org/jira/browse/DERBY-4403?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Dag H. Wanvik updated DERBY-4403:
---------------------------------

    Description: 
The following is not caught by the error checking (or maybe it is supposed to 
work?):

select sum(i) from t group by j + (select j from t where i=1)

java.sql.SQLException: Java exception: 'ASSERT FAILED dummySubqueryList.size() 
is expected to be 0: org.apache.derby.shared.common.sanity.AssertFailure'.
        at 
org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(SQLExceptionFactory.java:45)
        at 
org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(SQLExceptionFactory40.java:119)
        at 
org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(SQLExceptionFactory40.java:70)
        ... 16 more
Caused by: org.apache.derby.shared.common.sanity.AssertFailure: ASSERT FAILED 
dummySubqueryList.size() is expected to be 0
        at 
org.apache.derby.shared.common.sanity.SanityManager.ASSERT(SanityManager.java:120)
        at 
org.apache.derby.impl.sql.compile.GroupByList.bindGroupByColumns(GroupByList.java:220)
        at 
org.apache.derby.impl.sql.compile.SelectNode.bindExpressions(SelectNode.java:629)
        at 
org.apache.derby.impl.sql.compile.DMLStatementNode.bindExpressions(DMLStatementNode.java:227)
        at 
org.apache.derby.impl.sql.compile.DMLStatementNode.bind(DMLStatementNode.java:140)
        at 
org.apache.derby.impl.sql.compile.CursorNode.bindStatement(CursorNode.java:249)
        at 
org.apache.derby.impl.sql.GenericStatement.prepMinion(GenericStatement.java:319)
        at 
org.apache.derby.impl.sql.GenericStatement.prepare(GenericStatement.java:88)
        at 
org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.prepareInternalStatement(GenericLanguageConnectionContext.java:824)
        at 
org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:606)

  was:
The following is not caught by the error checking:

select sum(i) from t group by j + (select j from t where i=1)

java.sql.SQLException: Java exception: 'ASSERT FAILED dummySubqueryList.size() 
is expected to be 0: org.apache.derby.shared.common.sanity.AssertFailure'.
        at 
org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(SQLExceptionFactory.java:45)
        at 
org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(SQLExceptionFactory40.java:119)
        at 
org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(SQLExceptionFactory40.java:70)
        ... 16 more
Caused by: org.apache.derby.shared.common.sanity.AssertFailure: ASSERT FAILED 
dummySubqueryList.size() is expected to be 0
        at 
org.apache.derby.shared.common.sanity.SanityManager.ASSERT(SanityManager.java:120)
        at 
org.apache.derby.impl.sql.compile.GroupByList.bindGroupByColumns(GroupByList.java:220)
        at 
org.apache.derby.impl.sql.compile.SelectNode.bindExpressions(SelectNode.java:629)
        at 
org.apache.derby.impl.sql.compile.DMLStatementNode.bindExpressions(DMLStatementNode.java:227)
        at 
org.apache.derby.impl.sql.compile.DMLStatementNode.bind(DMLStatementNode.java:140)
        at 
org.apache.derby.impl.sql.compile.CursorNode.bindStatement(CursorNode.java:249)
        at 
org.apache.derby.impl.sql.GenericStatement.prepMinion(GenericStatement.java:319)
        at 
org.apache.derby.impl.sql.GenericStatement.prepare(GenericStatement.java:88)
        at 
org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.prepareInternalStatement(GenericLanguageConnectionContext.java:824)
        at 
org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:606)


> Assert failure (sane) or NullPointerException (insane) when attempting to 
> GROUP BY expression containing scalar subquery
> ------------------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-4403
>                 URL: https://issues.apache.org/jira/browse/DERBY-4403
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>            Reporter: Dag H. Wanvik
>
> The following is not caught by the error checking (or maybe it is supposed to 
> work?):
> select sum(i) from t group by j + (select j from t where i=1)
> java.sql.SQLException: Java exception: 'ASSERT FAILED 
> dummySubqueryList.size() is expected to be 0: 
> org.apache.derby.shared.common.sanity.AssertFailure'.
>       at 
> org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(SQLExceptionFactory.java:45)
>       at 
> org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(SQLExceptionFactory40.java:119)
>       at 
> org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(SQLExceptionFactory40.java:70)
>       ... 16 more
> Caused by: org.apache.derby.shared.common.sanity.AssertFailure: ASSERT FAILED 
> dummySubqueryList.size() is expected to be 0
>       at 
> org.apache.derby.shared.common.sanity.SanityManager.ASSERT(SanityManager.java:120)
>       at 
> org.apache.derby.impl.sql.compile.GroupByList.bindGroupByColumns(GroupByList.java:220)
>       at 
> org.apache.derby.impl.sql.compile.SelectNode.bindExpressions(SelectNode.java:629)
>       at 
> org.apache.derby.impl.sql.compile.DMLStatementNode.bindExpressions(DMLStatementNode.java:227)
>       at 
> org.apache.derby.impl.sql.compile.DMLStatementNode.bind(DMLStatementNode.java:140)
>       at 
> org.apache.derby.impl.sql.compile.CursorNode.bindStatement(CursorNode.java:249)
>       at 
> org.apache.derby.impl.sql.GenericStatement.prepMinion(GenericStatement.java:319)
>       at 
> org.apache.derby.impl.sql.GenericStatement.prepare(GenericStatement.java:88)
>       at 
> org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.prepareInternalStatement(GenericLanguageConnectionContext.java:824)
>       at 
> org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:606)

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