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DB2 - Problem description

Problem IC68075 Status: Closed

SQL0901N ERROR WHILE DOING A SELECT ON A TABLE WITH A UNION ALL VIEW AS THE
NULL PRODUCING SIDE OF A LEFT OUTER JOIN

product:
DB2 FOR LUW / DB2FORLUW / 950 - DB2
Problem description:
A SQL0901N error is given for a SELECT statement if the 
following conditions are true: 
1. There is a LEFT OUTER JOIN present in the query. 
2. Null producing side of the left outer join is a UNION ALL 
view 
3. There is atleast one range join predicate in the ON clause of 
the left outer join. 
 
Message displayed by DB2 is "FCS Column Descriptor pointer does 
not exist"
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* All                                                          * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* A SQL0901N error is given for a SELECT statement if          * 
* thefollowing conditions are true:1. There is a LEFT OUTER    * 
* JOIN present in the query.2. Null producing side of the left * 
* outer join is a UNION ALLview3. There is atleast one range   * 
* join predicate in the ONclause of the left outer             * 
* join.Message displayed by DB2 is "FCS Column Descriptor      * 
* pointerdoesnot exist"                                        * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to DB2 v9.5 fix pack 6                               * 
****************************************************************
Local Fix:
available fix packs:
DB2 Version 9.5 Fix Pack 6a for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 7 for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 8 for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 9 for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 10 for Linux, UNIX, and Windows

Solution
The problem was fixed in DB2 v9.5 fix pack 6
Workaround
not known / see Local fix
BUG-Tracking
forerunner  : APAR is sysrouted TO one or more of the following: IC68627 IC68628 
follow-up : 
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
20.04.2010
22.06.2010
22.06.2010
Problem solved at the following versions (IBM BugInfos)
9.5.FP6
Problem solved according to the fixlist(s) of the following version(s)
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