home clear 64x64
en blue 200x116 de orange 200x116 info letter User
suche 36x36
Latest versionsfixlist
11.1.0.7 FixList
10.5.0.9 FixList
10.1.0.6 FixList
9.8.0.5 FixList
9.7.0.11 FixList
9.5.0.10 FixList
9.1.0.12 FixList
Have problems? - contact us.
Register for free anmeldung-x26
Contact form kontakt-x26

DB2 - Problem description

Problem IT18170 Status: Closed

WRONG RESULT IS POSSIBLE IF GENERATED ALWAYS EXPRESSION REFERENCES A
BUILT-IN FUNCTION WITH MORE THEN ONE STRING INPUT

product:
DB2 FOR LUW / DB2FORLUW / B10 - DB2
Problem description:
Insert or update may cause wrong result when the target table 
has a GENERATED ALWAYS expression that references a built-in 
function with more than one string input. 
 
example: 
 
create table t1 ( 
  i int, 
  c1 varchar (18), 
  c2 varchar (18) GENERATED ALWAYS AS 
     (sysibm.ltrim( c1, X'E6BCA2' ) )); 
 
 
create or replace variable v varchar(18) for bit data; 
 
set v = X'E6BCA2E6BCA1'; 
 
insert into t1 values (1, v, default ); 
insert into t1 values (2, X'E6BCA2E6BCA1', default ); 
 
select hex(c1), hex(c2 ) from t1 order by i; 
 
1                                    2 
------------------------------------ 
------------------------------------ 
E6BCA2E6BCA1                         A1 
E6BCA2E6BCA1                         E6BCA1 
 
  2 record(s) selected.
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* ALL                                                          * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* See Error Description                                        * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to DB2 11.1 Mod1 Fix Pack 1 iFix001                  * 
****************************************************************
Local Fix:
Avoid using function with more than one string argument  in the 
definition  OF GENERATED ALWAYS 
column
available fix packs:
DB2 Version 11.1 Mod1 Fix Pack1 iFix001 for Linux, UNIX, and Windows
DB2 Version 11.1 Mod 2 Fix Pack 2 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod2 Fix Pack2 iFix001 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod2 Fix Pack2 iFix002 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod 3 Fix Pack 3 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod3 Fix Pack3 iFix001 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod3 Fix Pack3 iFix002 for Linux, UNIX, and Windows

Solution
First fixed in DB2 11.1 Mod1 Fix Pack 1 iFix001
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
30.11.2016
01.05.2017
21.06.2017
Problem solved at the following versions (IBM BugInfos)
Problem solved according to the fixlist(s) of the following version(s)