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DB2 - Problem description

Problem IT03203 Status: Closed

INCORRECT RESULTS MIGHT BE RETURNED WHEN USING THE UNION SET OPERATOR TO
SELECT FROM COLUMN-ORGANIZED TABLES

product:
DB2 FOR LUW / DB2FORLUW / A50 - DB2
Problem description:
Incorrect results might be returned when selecting from a 
column-organized table when using the UNION set operator if, in 
the legs of the UNION, the DISTINCT keyword and casting between 
data types are used.  One of the legs of the UNION set operator 
might not enforce the DISTINCT directive and, as a result, extra 
rows might be returned.
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* All users                                                    * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* See Error Description                                        * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to DB2 version 10.5.0.4.                             * 
****************************************************************
Local Fix:
available fix packs:
DB2 Cancun Release 10.5.0.4 (also known as Fix Pack 4) for Linux, UNIX, and Windows
DB2 Version 10.5 Fix Pack 9 for Linux, UNIX, and Windows

Solution
The problem is first fixed in DB2 version 10.5.0.4.
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
16.07.2014
08.09.2014
09.04.2015
Problem solved at the following versions (IBM BugInfos)
Problem solved according to the fixlist(s) of the following version(s)
10.5.0.4 FixList