DB2 - Problem description
Problem IT32992 | Status: Closed |
WRONG RESULT, WHEN OPTIMIZATION LEVEL IS LESS THAN 5 AND NULL EQUALS NULL PREDICATE | |
product: | |
DB2 FOR LUW / DB2FORLUW / B50 - DB2 | |
Problem description: | |
Db2 query may generate wrong result when optimization level is less than 5 and there is a null equals null predicate of form c1 = c2 OR c1 is null AND c2 is null | |
Problem Summary: | |
**************************************************************** * USERS AFFECTED: * * Rowstore * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * **************************************************************** * RECOMMENDATION: * * Upgrade to Db2 11.5.5.0 or higher * **************************************************************** | |
Local Fix: | |
Solution | |
Workaround | |
not known / see Local fix | |
BUG-Tracking | |
forerunner : follow-up : IT33004 | |
Timestamps | |
Date - problem reported : Date - problem closed : Date - last modified : | 27.05.2020 20.11.2020 20.11.2020 |
Problem solved at the following versions (IBM BugInfos) | |
Problem solved according to the fixlist(s) of the following version(s) |