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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 Wed, 16 Jul 2008 11:53:31 GMT

    [ https://issues.apache.org/jira/browse/DERBY-3764?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12613924#action_12613924
] 

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

I think the key here is to find out why the group by columns from the first expression in
the union are added to the result. It seems to be the case for all the set operations. If
you have the following queries

  A: SELECT SUM(x) FROM t GROUP BY x
  B: VALUES 1

all of these combinations fail

  A UNION B
  A UNION ALL B
  A EXCEPT B
  A EXCEPT ALL B
  A INTERSECT B
  A INTERSECT ALL B

However, if the order is reversed (e.g, B UNION A), all of the queries succeed.

> 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, d3764-1a.diff, 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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