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DB2 - Problem description

Problem IC62531 Status: Closed

DB2 INSTANCE MAY ABEND in a OR predicate

product:
DB2 FOR LUW / DB2FORLUW / 950 - DB2
Problem description:
DB2 Instance may abend in a statement with an OR predicate 
involving two columns to express a filter to qualify a condition 
like (col1=X and col2>Y) or (col1>X). 
 
The stack trace generated by this problem looks like 
 
<StackTrace> 
<![CDATA[ 
------RBP--------------RIP--------------ARGS-------------------- 
------------------------------------- 
<sqlnr_gen_twin_prd> 
<sqlnr_optprep> 
<sqlnr_optprep_action> 
<sqlnr_seq> 
<sqlnr_rcc> 
<sqlnr_exe> 
<sqlnn_cmpl> 
]]></StackTrace>
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* ALL                                                          * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* DB2 Instance may abend in a statement with an OR predicate   * 
*                                                              * 
* involving two columns to express a filter to qualify a       * 
* conditionlike (col1=X and col2>Y) or (col1>X).               * 
*                                                              * 
*        The stack trace generated by this problem looks like  * 
*                                                              * 
*      <StackTrace>                                            * 
*     <![CDATA[                                                * 
*                                                              * 
* ------RBP--------------RIP--------------ARGS------------------ 
* -------------------------------------                        * 
* <sqlnr_gen_twin_prd>                                         * 
* <sqlnr_optprep>                                              * 
* <sqlnr_optprep_action>                                       * 
* <sqlnr_seq>                                                  * 
* <sqlnr_rcc>                                                  * 
* <sqlnr_exe>                                                  * 
* <sqlnn_cmpl>                                                 * 
* ]]></StackTrace>                                             * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to Version 9.5 Fix Pack 5 or later.                  * 
****************************************************************
Local Fix:
available fix packs:
DB2 Version 9.5 Fix Pack 5 for Linux, UNIX, and Windows
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
Problem was first fixed in Version 9.5 Fix Pack 5.
Workaround
not known / see Local fix
BUG-Tracking
forerunner  : APAR is sysrouted TO one or more of the following: IC64089 
follow-up : 
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
13.08.2009
04.02.2010
04.02.2010
Problem solved at the following versions (IBM BugInfos)
9.5.FP5
Problem solved according to the fixlist(s) of the following version(s)
9.5.0.5 FixList