|
Problem IC79654
|
Status: Closed |
DB2 MAY ABEND WHEN THERE ARE MULTIPLE REPLICATED MQT AND FORCE_REPLICATED_MQT_MERGE IS SET |
| product: |
DB2 FOR LUW / DB2FORLUW / 950 - DB2 |
| Problem description: |
When the following conditions are all met, compiling a query or
modifying statement may trap with stack:
sqlnq_qtboprparent::op
sqlnq_mch::is_maximal
sqlnq_som::compute_matchinfo_opt
sqlnr_compute_matchinfo
sqlnr_optprep
sqlnr_optprep_action
(1) There are at least two replicated MQT (Materialized Query
Table) and at least one non-replicated optimizer MQT or
statistical view. An optimizer MQT is such MQT whose definition
is simply "SELECT <expression list> FROM <one or more base
tables> WHERE <predicates>".
(2) Registry variable DB2_EXTENDED_OPTIMIZATION includes flag
FORCE_REPLICATED_MQT_MERGE.
(3) The query statement itself contains multiple subqueries, or
the modifying statement's target table has multiple enforced
checking constraint defined. |
| Problem Summary: |
****************************************************************
* USERS AFFECTED: *
* N/A *
****************************************************************
* PROBLEM DESCRIPTION: *
* See Error Description *
****************************************************************
* RECOMMENDATION: *
* Upgrade to DB2 Version 9.5 Fix Pack 9. *
**************************************************************** |
| Local Fix: |
|
| available fix packs: |
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 |
Fixed on DB2 Version 9.5 Fix Pack 9. |
| Workaround |
not known / see Local fix |
| BUG-Tracking |
forerunner : APAR is sysrouted TO one or more of the following: IC79863 IC84184
follow-up : |
| Timestamps |
Date - problem reported :
Date - problem closed :
Date - last modified :
| 07.11.2011
26.04.2012
26.04.2012 |
| Problem solved at the following versions (IBM BugInfos) |
9.5.FP9
|
| Problem solved according to the fixlist(s) of the following version(s) |
| 9.5.0.9
|
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