DB2 FOR LUW / DB2FORLUW / 970 - DB2

This problem may affect either the parent or the dependent table 
in a foreign key constraint, depending on the table against 
which the DROP COLUMN was issued. 
 
Dropping a column from a table involved in a foreign key 
constraint may cause incorrect updates to the referential 
constraint descriptor of the "partner" table. As a result, a 
DELETE FROM against the "partner" table may return SQL0440N due 
to a column type mismatch caused by the corrupted descriptor. 
The following error message is returned: 
 
SQL0440N  No authorized routine named "=" of type "FUNCTION" 
having compatible arguments was found.  SQLSTATE=42884 
 
One condition that may lead to this problem is when column(s) 
with higher column id value comes before column(s) with lower 
column id value in the foreign key definition. 
 
e.g. db2 "alter table t2 add constraint fk foreign key (c3, c1, 
c2) references t1 (c3, c1, c2)" where c1 represent column with 
column id 1.

**************************************************************** 
* USERS AFFECTED:                                              * 
* All DB2 Version 9.7 GA through Fix Pack 1 serverson Linux,   * 
* Unix and Windows where a column isdropped from a table       * 
* involved in a foreign keyconstraint.                         * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* Dropping a column from a table involved in a foreign         * 
* keyconstraint may cause incorrect updates to the             * 
* referentialconstraint descriptor of the "partner" table. As  * 
* a result, aDELETE FROM against the "partner" table may       * 
* return SQL0440Ndue to a column type mismatch caused by the   * 
* corrupteddescriptor.                                         * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Update to Version 9.7 Fix Pack 2                             * 
****************************************************************

Contact IBM Support to have the corrupted descriptor patched.

DB2 Version 9.7 Fix Pack 2 for Linux, UNIX, and Windows
 DB2 Version 9.7 Fix Pack 3 for Linux, UNIX, and Windows
 DB2 Version 9.7 Fix Pack 3a for Linux, UNIX, and Windows
 DB2 Version 9.7 Fix Pack 4 for Linux, UNIX, and Windows
 DB2 Version 9.7 Fix Pack 5 for Linux, UNIX, and Windows
 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 9a 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 10 for Linux, UNIX, and Windows
 

Problem was first fixed in Version 9.7 Fix Pack 2

See LOCAL FIX

Datum - Problem gemeldet    :
Datum - Problem geschlossen :
Datum - der letzten Änderung:

14.01.2010
25.05.2010
25.05.2010

9.7.FP2