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DB2 - Problem description

Problem IC80111 Status: Closed

THE CODE PAGE STORED IN SYSCAT.COLUMNS FOR A GRAPHIC TYPED COLUM N GETS
RESET TO 0 AFTER RUNNING THE ALTER COLUMN ... COMMAND

product:
DB2 FOR LUW / DB2FORLUW / 970 - DB2
Problem description:
After altering the GRAPHIC typed column with ALTER TABLE 
command, the code page stored in the system catalog gets reset 
to 0. Example below illustrates the problem. 
 
select codepage from syscat.columns where tabname = 'TEST' and 
typename = 'GRAPHIC' 
 
CODEPAGE 
-------- 
    1200 
 
  1 record(s) selected. 
 
 
alter table test alter column id set with default null 
DB20000I  The SQL command completed successfully. 
 
select codepage from syscat.columns where tabname = 'TEST' and 
typename = 'GRAPHIC' 
 
CODEPAGE 
-------- 
       0 
 
  1 record(s) selected.
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* All the users of DB2 v9.7 FP5 and earlier.                   * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* After altering the GRAPHIC column with ALTER TABLE command,  * 
* you have noticed that the code page got reset. Example below * 
* illustrates the problem.                                     * 
*                                                              * 
* Before alter column:                                         * 
*                                                              * 
* db2 "select CODEPAGE, DBCSCODEPG, COMPOSITE_CODEPAGE from    * 
* sysibm.syscolumns where tbname = 'TEST'"                     * 
*                                                              * 
* CODEPAGE DBCSCODEPG COMPOSITE_CODEPAGE                       * 
* -------- ---------- ------------------                       * 
*       0      1200              1200                          * 
*                                                              * 
*   1 record(s) selected.                                      * 
*                                                              * 
* After alter column:                                          * 
*                                                              * 
* db2 "select CODEPAGE, DBCSCODEPG, COMPOSITE_CODEPAGE from    * 
* sysibm.syscolumns where tbname = 'TEST'"                     * 
*                                                              * 
* CODEPAGE DBCSCODEPG COMPOSITE_CODEPAGE                       * 
* -------- ---------- ------------------                       * 
*       0      1200              0                             * 
*                                                              * 
*   1 record(s) selected.                                      * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to DB2 v9.7 FP6                                      * 
****************************************************************
Local Fix:
available fix packs:
DB2 Version 9.7 Fix Pack 6 for Linux, UNIX, and Windows
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

Solution
The problem was first fixed in DB2 v9.7 FP6
Workaround
not known / see Local fix
BUG-Tracking
forerunner  : APAR is sysrouted TO one or more of the following: IC84193 
follow-up : 
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
01.12.2011
11.06.2012
11.06.2012
Problem solved at the following versions (IBM BugInfos)
9.7.FP6
Problem solved according to the fixlist(s) of the following version(s)
9.7.0.6 FixList
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