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DB2 - Problem description

Problem IC87416 Status: Closed

DB2 MAY ABEND WHILE COMPILING QUERY HAVING NESTED OR PREDICATE WITH (NOT)
EXISTS SUBTERM

product:
DB2 FOR LUW / DB2FORLUW / 970 - DB2
Problem description:
DB2 may abend when the SQL statement satisfies all the following 
conditions: 
1. Query has an equality predicate between simple column and a 
constant value, i.e. Q1.col1 = <literal>. 
2. The same query block also has an OR predicate, e.g. "P1 OR P2 
OR .. OR Pn", Pi stands for an OR subterm predicate. 
3. An OR subterm predicate Pi contains "Pa1 AND Pa2.. AND Pak". 
One Pa is a provable FALSE predicate and another Pa is an 
EXISTS, NOT EXISTS, IN, or NOT IN predicate.
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* Users on V9.7 FP 7 and lower                                 * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* See Error Description                                        * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to v9.7 Fix Pack 8 or higher                         * 
****************************************************************
Local Fix:
Reduce query optimization level to 0,1, 2, or 3 by using 
command, e.g,  "db2 set current query optimization <optlevel>"
available fix packs:
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
First Fixed in DB2 V9.7 FixPack 8
Workaround
not known / see Local fix
BUG-Tracking
forerunner  : APAR is sysrouted TO one or more of the following: IC87420 IC96253 
follow-up : 
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
22.10.2012
23.08.2013
23.08.2013
Problem solved at the following versions (IBM BugInfos)
9.7.FP8
Problem solved according to the fixlist(s) of the following version(s)
9.7.0.8 FixList