ArrayIndexOutOfBoundsException at MergeSort.compare
---------------------------------------------------

                 Key: DERBY-3303
                 URL: https://issues.apache.org/jira/browse/DERBY-3303
             Project: Derby
          Issue Type: Bug
    Affects Versions: 10.3.2.1
         Environment: ------------------ Java Information ------------------
Java Version:    1.6.0_03
Java Vendor:     Sun Microsystems Inc.
Java home:       D:\Programs\Java\jre1.6.0_03
Java classpath:  derbytools.jar
OS name:         Windows XP
OS architecture: x86
OS version:      5.1
Java user name:  Donatas
Java user home:  C:\Documents and Settings\Donatas
Java user dir:   d:\java\derby-10.3.2.1\lib
java.specification.name: Java Platform API Specification
java.specification.version: 1.6
--------- Derby Information --------
JRE - JDBC: Java SE 6 - JDBC 4.0
[D:\java\derby-10.3.2.1\lib\derbytools.jar] 10.3.2.1 - (599110)
------------------------------------------------------
----------------- Locale Information -----------------
------------------------------------------------------
            Reporter: Donatas Ciuksys
            Priority: Blocker


Derby throws ArrayIndexOutOfBoundsException  when I try to execute SQL query 
shown below.

This is a regression, since Derby 10.2.2.0 executes this query without problems.

Attached are DDL statements to create DB tables, and database itself (with 
data).

2008-01-08 12:32:34.461 GMT Thread[DRDAConnThread_5,6,derby.daemons] (XID = 
1497), (SESSIONID = 0), (DATABASE = InventorizacijaDB), (DRDAID = 
NF000001.G46A-666250070078662256{1}), Failed Statement is: select 
MAX(preke0_.BARKODAS) as col_0_0_, MAX(preke0_.PAVADINIMAS) as col_1_0_, 
MAX(preke0_.KIEKIS) as col_2_0_, SUM(irasas1_.FAKTINIS_KIEKIS) as col_3_0_ from 
PREKE preke0_, IRASAS irasas1_, IRASU_BLOKAS irasubloka2_ where 
irasas1_.IRASU_BLOKAS=irasubloka2_.ID and 
preke0_.UNIKALUS_KODAS=irasas1_.UNIKALUS_KODAS and 
irasubloka2_.INVENTORIZACIJA=? group by irasas1_.UNIKALUS_KODAS order by 
abs(SUM(irasas1_.FAKTINIS_KIEKIS)-MAX(preke0_.KIEKIS)) DESC with 1 parameters 
begin parameter #1: 1 :end parameter 
java.lang.ArrayIndexOutOfBoundsException: 5
        at org.apache.derby.impl.store.access.sort.MergeSort.compare(Unknown 
Source)
        at org.apache.derby.impl.store.access.sort.SortBuffer.insert(Unknown 
Source)
        at org.apache.derby.impl.store.access.sort.MergeInserter.insert(Unknown 
Source)
        at org.apache.derby.impl.sql.execute.SortResultSet.loadSorter(Unknown 
Source)
        at org.apache.derby.impl.sql.execute.SortResultSet.openCore(Unknown 
Source)
        at 
org.apache.derby.impl.sql.execute.ProjectRestrictResultSet.openCore(Unknown 
Source)
        at 
org.apache.derby.impl.sql.execute.BasicNoPutResultSetImpl.open(Unknown Source)
        at org.apache.derby.impl.sql.GenericPreparedStatement.execute(Unknown 
Source)
        at org.apache.derby.impl.jdbc.EmbedStatement.executeStatement(Unknown 
Source)
        at 
org.apache.derby.impl.jdbc.EmbedPreparedStatement.executeStatement(Unknown 
Source)
        at org.apache.derby.impl.jdbc.EmbedPreparedStatement.execute(Unknown 
Source)
        at org.apache.derby.impl.drda.DRDAStatement.execute(Unknown Source)
        at org.apache.derby.impl.drda.DRDAConnThread.processCommands(Unknown 
Source)
        at org.apache.derby.impl.drda.DRDAConnThread.run(Unknown Source)

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