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DB2 - Problembeschreibung

Problem IT01742 Status: Geschlossen

INCORRECT VALUES MIGHT BE INSERTED INTO A TABLE WHEN AN INCORRECT PLAN IS
CHOSEN FOR INSERT FROM SELECT

Produkt:
DB2 FOR LUW / DB2FORLUW / A50 - DB2
Problembeschreibung:
Incorrect values might be inserted into a table as a result of 
an incorrect plan being chosen for an INSERT from a SELECT. 
 
The problem only occurs when intrapartition parallelism is 
enabled via the INTRA_PARALLEL database manager configuration 
parameter. 
 
The problem is more likely to occur if all of the following 
statements are true: 
- The table contains very wide columns -- close to 8KB or 
larger. 
- The reference to the target table in the subselect is within a 
separate query block.  In the following example, t1 is the 
target table.  Note how it is accessed in a separate query block 
in the subselect:  insert into t1 select t2.* from t2, (select 
c00 from (select c00,  ROWNUMBER() OVER() RN FROM t1 where c00 
is not null) as t WHERE RN BETWEEN 30 AND 33) as TT where t2.c00 
<> TT.c00.
Problem-Zusammenfassung:
**************************************************************** 
* USERS AFFECTED:                                              * 
* All users                                                    * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* See Error Description                                        * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to DB2 version 10.5.0.4.                             * 
****************************************************************
Local-Fix:
Disable intrapartition parallelism using the INTRA_PARALLEL 
database manager configuration parameter.
verfügbare FixPacks:
DB2 Cancun Release 10.5.0.4 (also known as Fix Pack 4) for Linux, UNIX, and Windows
DB2 Version 10.5 Fix Pack 9 for Linux, UNIX, and Windows

Lösung
The problem is first fixed in DB2 version 10.5.0.4.
Workaround
keiner bekannt / siehe Local-Fix
Weitere Daten
Datum - Problem gemeldet    :
Datum - Problem geschlossen :
Datum - der letzten Änderung:
12.05.2014
08.09.2014
08.04.2015
Problem behoben ab folgender Versionen (IBM BugInfos)
Problem behoben lt. FixList in der Version
10.5.0.4 FixList