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DB2 - Problembeschreibung

Problem IT01100 Status: Geschlossen

CHAR(' ',0) RETURNS EMPTY STRING INSTEAD OF NULL IN VARCHAR2
ENABLED DATABASE.

Produkt:
DB2 FOR LUW / DB2FORLUW / A10 - DB2
Problembeschreibung:
In a VARCHAR2 enabled database, an assignment of an empty string 
value to a CHAR, VARCHAR, GRAPHIC or VARGRAPHIC should produce a 
NULL value.  However, if a string literal is not empty, consists 
of all blanks is passed as an argument to the scalar functions 
CHAR, VARCHAR, GRAPHIC or VARGRAPHIC, and has a specified length 
of 0, then an empty string is returned instead of the expected 
NULL.  The returned string might look like the following sample: 
 
values char('   ',0) 
 
1 
- 
 
 
  1 record(s) selected.
Problem-Zusammenfassung:
**************************************************************** 
* USERS AFFECTED:                                              * 
* All users                                                    * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* See Error Description                                        * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to DB2 version 10.1.0.4.                             * 
****************************************************************
Local-Fix:
Change the string literal to an empty string.  For example, 
changing the string literal to CHAR('',0) will fix this issue.
verfügbare FixPacks:
DB2 Version 10.1 Fix Pack 4 for Linux, UNIX, and Windows
DB2 Version 10.1 Fix Pack 6 for Linux, UNIX, and Windows

Lösung
The problem is first fixed in DB2 version 10.1.0.4.
Workaround
keiner bekannt / siehe Local-Fix
Weitere Daten
Datum - Problem gemeldet    :
Datum - Problem geschlossen :
Datum - der letzten Änderung:
16.04.2014
08.05.2014
26.05.2014
Problem behoben ab folgender Versionen (IBM BugInfos)
Problem behoben lt. FixList in der Version
10.1.0.4 FixList