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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-3764) Union Query fail on Derby 10.4.1.3
Date Fri, 11 Jul 2008 11:36:32 GMT

    [ https://issues.apache.org/jira/browse/DERBY-3764?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12612839#action_12612839
] 

Knut Anders Hatlen commented on DERBY-3764:
-------------------------------------------

It seems like changing RCL.setUnionResultExpression() to use
visibleSize() instead of size() is enough to fix the query in the
original report.

The simpler query (SELECT MAX(x) FROM t GROUP BY x UNION VALUES 1)
does however run into another ArrayIndexOutOfBoundsException in
RCL.isExactTypeAndLengthMatch(), which is the same problem as I
mentioned earlier that
   SELECT MAX(x) FROM t GROUP BY x
     UNION
   SELECT MAX(x) FROM t GROUP BY x
would run into during byte code generation.

I think the solution for isExactTypeAndLengthMatch() is the same as
for setUnionResultExpression() -- we should change size() to
visibleSize().

Although we still see problems during execution with these fixes, we
may consider checking them in as partial improvements, especially
since they appear to be enough for the originally reported query.

> Union Query fail on Derby 10.4.1.3
> ----------------------------------
>
>                 Key: DERBY-3764
>                 URL: https://issues.apache.org/jira/browse/DERBY-3764
>             Project: Derby
>          Issue Type: Bug
>    Affects Versions: 10.3.1.4, 10.4.1.3
>         Environment: Windows XP SP2, NetBeans 6.1 (IDE), Pentium 2 Core 512 Ram, Java
1.6.0_05
>            Reporter: Heleno da Silva Alves
>            Assignee: Knut Anders Hatlen
>         Attachments: CONSTAS_REMESSA.sql, database_test.10.0.zip, database_test.10.3.zip,
database_test.10.4.zip, export_contas_remessas.exp
>
>
>     Running a Query on Derby 10.4.1.3 and 10.3.1.4 I got this error message: Error code
0, SQL state XJ001: Java Exception: '4 >= 4: java.lang.ArrayIndexOutOfBoundsException'.
>     After throw this exception the database shutdown and lost the connection.
>     I'm updating an application from a previous version of Derby (Bundle-Version: 10.0.2000001
From derby.jar Manifest) so this query works fine in version 10.0.
> The Query:
> select 0 vlr_proc_anterior
>              , 0 vlr_proc_atual
>              , sum(vlr_contabil + vlr_ajuste) disp_financeira    
>              from contas_remessa rec
>              where cd_tipo = 1105 and cd_conta = 4
>              group by rec.cd_conta, rec.ds_conta
>              union
>              select case when cd_tipo = 170 then sum(vlr_contabil) + sum(vlr_ajuste)
else 0 end vlr_proc_anterior
>                   , case when cd_tipo = 175 then sum(vlr_contabil) + sum(vlr_ajuste)
else 0 end vlr_proc_atual
>                   , 0 disp_financeira
>                   from contas_remessa where cd_tipo in (170, 175) and status = 'S'  
                    
>                   group by cd_tipo
> The deby log entry:
> ----------------------------------------------------------------
> 2008-07-07 14:44:51.282 GMT:
>  Booting Derby version The Apache Software Foundation - Apache Derby - 10.3.1.4 - (561794):
instance c013800d-011a-fdfb-6fa4-00003451d386
> on database directory C:\PAD\database  
> Database Class Loader started - derby.database.classpath=''
> 2008-07-07 14:46:40.506 GMT Thread[SQLExecution,1,system] (XID = 3441038), (SESSIONID
= 0), (DATABASE = C:\PAD\database), (DRDAID = null), Cleanup action starting
> 2008-07-07 14:46:40.506 GMT Thread[SQLExecution,1,system] (XID = 3441038), (SESSIONID
= 0), (DATABASE = C:\PAD\database), (DRDAID = null), Failed Statement is: select 0 vlr_proc_anterior
>              , 0 vlr_proc_atual
>              , sum(vlr_contabil + vlr_ajuste) disp_financeira    
>              from contas_remessa rec
>              where cd_tipo = 1105 and cd_conta = 4
>              group by rec.cd_conta, rec.ds_conta
>              union
>              select case when cd_tipo = 170 then sum(vlr_contabil) + sum(vlr_ajuste)
else 0 end vlr_proc_anterior
>                   , case when cd_tipo = 175 then sum(vlr_contabil) + sum(vlr_ajuste)
else 0 end vlr_proc_atual
>                   , 0 disp_financeira
>                   from contas_remessa where cd_tipo in (170, 175) and status = 'S'  
                    
>                   group by cd_tipo
> java.lang.ArrayIndexOutOfBoundsException: 4 >= 4
> 	at java.util.Vector.elementAt(Vector.java:427)
> 	at org.apache.derby.impl.sql.compile.QueryTreeNodeVector.elementAt(Unknown Source)
> 	at org.apache.derby.impl.sql.compile.ResultColumnList.setUnionResultExpression(Unknown
Source)
> 	at org.apache.derby.impl.sql.compile.SetOperatorNode.buildRCL(Unknown Source)
> 	at org.apache.derby.impl.sql.compile.SetOperatorNode.bindResultColumns(Unknown Source)
> 	at org.apache.derby.impl.sql.compile.CursorNode.bindStatement(Unknown Source)
> 	at org.apache.derby.impl.sql.GenericStatement.prepMinion(Unknown Source)
> 	at org.apache.derby.impl.sql.GenericStatement.prepare(Unknown Source)
> 	at org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.prepareInternalStatement(Unknown
Source)
> 	at org.apache.derby.impl.jdbc.EmbedStatement.execute(Unknown Source)
> 	at org.apache.derby.impl.jdbc.EmbedStatement.execute(Unknown Source)
> 	at org.netbeans.modules.db.sql.execute.SQLExecuteHelper.execute(SQLExecuteHelper.java:114)
> 	at org.netbeans.modules.db.sql.loader.SQLEditorSupport$SQLExecutor.run(SQLEditorSupport.java:479)
> 	at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:561)
> 	at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:986)
> Cleanup action completed

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