DB2 - Problem description
Problem IC84184 | Status: Closed |
DB2 MAY ABEND WHEN THERE ARE MULTIPLE REPLICATED MQT AND FORCE_REPLICATED_MQT_MERGE IS SET | |
product: | |
DB2 FOR LUW / DB2FORLUW / A10 - 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 10 Fix Pack 1. * **************************************************************** | |
Local Fix: | |
available fix packs: | |
DB2 Version 10.1 Fix Pack 1 for Linux, UNIX, and Windows | |
Solution | |
Fixed on DB2 Version 10 Fix Pack 1. | |
Workaround | |
not known / see Local fix | |
Timestamps | |
Date - problem reported : Date - problem closed : Date - last modified : | 13.06.2012 28.12.2012 28.12.2012 |
Problem solved at the following versions (IBM BugInfos) | |
Problem solved according to the fixlist(s) of the following version(s) | |
10.1.0.1 | |
10.5.0.1 |