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DB2 - Problembeschreibung

Problem IC83608 Status: Geschlossen

SQL WITH NESTED MATH OPERATIONS ON COLUMNS THAT ARE DEFINED WITH NOT NULL
AND USING FUNCTIONS MAY RETURN DIFFERENT RESULTS.

Produkt:
DB2 FOR LUW / DB2FORLUW / 970 - DB2
Problembeschreibung:
Incorrect results are possible when doing nested math operations 
on columns that are defined with NOT NULL and using functions. 
 
Example (pseudo-code): 
 
create function3(col1 bigint,col2 bigint) 
{ 
    return function1(col1)-function2(col2); 
} 
 
SELECT SUM(function3(column1,column2)) from table; 
<-- intermittent incorrect results are possible on databases 
with smaller non-automatic SORTHEAP.
Problem-Zusammenfassung:
**************************************************************** 
* USERS AFFECTED:                                              * 
* ALL                                                          * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* See Error Description                                        * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to DB2 version 9.7.0.7.                              * 
****************************************************************
Local-Fix:
select SUM(col1) - SUM(col2) from table
verfügbare FixPacks:
DB2 Version 9.7 Fix Pack 7 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 8 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9a for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 10 for Linux, UNIX, and Windows

Lösung
The problem is first fixed in DB2 version 9.7.0.7.
Workaround
keiner bekannt / siehe Local-Fix
Bug-Verfolgung
Vorgänger  : APAR is sysrouted TO one or more of the following: IC83674 IC85217 IC85221 
Nachfolger : 
Weitere Daten
Datum - Problem gemeldet    :
Datum - Problem geschlossen :
Datum - der letzten Änderung:
21.05.2012
18.10.2012
07.12.2012
Problem behoben ab folgender Versionen (IBM BugInfos)
9.7.0.7
Problem behoben lt. FixList in der Version
9.7.0.7 FixList