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https://issues.apache.org/jira/browse/DERBY-4504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12797744#action_12797744
 ] 

Mamta A. Satoor commented on DERBY-4504:
----------------------------------------

I tried the test case provided by Knut. Just thought I will include the stack 
trace for the error.
ij> select t.* from t join t on 1=1;
ERROR XJ001: Java exception: 'ASSERT FAILED allTableName (T) expected to be 
null : org.apache.derby.shared.common.sanity.AssertFailure'.
java.sql.SQLException: Java exception: 'ASSERT FAILED allTableName (T) expected 
to be null: org.apache.derby.shared.common.sanity.AssertFailure'.
        at 
org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(SQLExceptionFactory40.java:95)
        at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Util.java:142)
        at org.apache.derby.impl.jdbc.Util.javaException(Util.java:299)
        at 
org.apache.derby.impl.jdbc.TransactionResourceImpl.wrapInSQLException(TransactionResourceImpl.java:403)
        at 
org.apache.derby.impl.jdbc.TransactionResourceImpl.handleException(TransactionResourceImpl.java:346)
        at 
org.apache.derby.impl.jdbc.EmbedConnection.handleException(EmbedConnection.java:2269)
        at 
org.apache.derby.impl.jdbc.ConnectionChild.handleException(ConnectionChild.java:81)
        at 
org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:614)
        at 
org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:555)
        at org.apache.derby.impl.tools.ij.ij.executeImmediate(ij.java:329)
        at org.apache.derby.impl.tools.ij.utilMain.doCatch(utilMain.java:521)
        at 
org.apache.derby.impl.tools.ij.utilMain.runScriptGuts(utilMain.java:363)
        at org.apache.derby.impl.tools.ij.utilMain.go(utilMain.java:261)
        at org.apache.derby.impl.tools.ij.Main.go(Main.java:229)
        at org.apache.derby.impl.tools.ij.Main.mainCore(Main.java:184)
        at org.apache.derby.impl.tools.ij.Main.main(Main.java:75)
        at org.apache.derby.tools.ij.main(ij.java:59)
Caused by: java.sql.SQLException: Java exception: 'ASSERT FAILED allTableName 
(T) expected to be null: 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 
allTableName (T) expected to be null
        at 
org.apache.derby.shared.common.sanity.SanityManager.THROWASSERT(SanityManager.java:162)
        at 
org.apache.derby.shared.common.sanity.SanityManager.THROWASSERT(SanityManager.java:147)
        at 
org.apache.derby.impl.sql.compile.JoinNode.getAllResultColumnsNoUsing(JoinNode.java:508)
        at 
org.apache.derby.impl.sql.compile.JoinNode.getAllResultColumns(JoinNode.java:390)
        at 
org.apache.derby.impl.sql.compile.FromList.expandAll(FromList.java:481)
        at 
org.apache.derby.impl.sql.compile.ResultColumnList.expandAllsAndNameColumns(ResultColumnList.java:1599)
        at 
org.apache.derby.impl.sql.compile.ResultColumnList.bindExpressions(ResultColumnList.java:687)
        at 
org.apache.derby.impl.sql.compile.SelectNode.bindExpressions(SelectNode.java:552)
        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:250)
        at 
org.apache.derby.impl.sql.GenericStatement.prepMinion(GenericStatement.java:324)
        at 
org.apache.derby.impl.sql.GenericStatement.prepare(GenericStatement.java:90)
        at 
org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.prepareInternalStatement(GenericLanguageConnectionContext.java:828)
        at 
org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:606)
        ... 9 more

> ASSERT FAILED allTableName (T) expected to be null
> --------------------------------------------------
>
>                 Key: DERBY-4504
>                 URL: https://issues.apache.org/jira/browse/DERBY-4504
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.5.3.0, 10.6.0.0
>            Reporter: Knut Anders Hatlen
>
> I see this assert failure in debug builds:
> ij> create table t(x int);
> 0 rows inserted/updated/deleted
> ij> select t.* from t join t on 1=1;
> ERROR XJ001: Java exception: 'ASSERT FAILED allTableName (T) expected to be 
> null: org.apache.derby.shared.common.sanity.AssertFailure'.

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