DB2 - Problem description
Problem IT34940 | Status: Closed |
WRONG RESULT WHEN EQUALITY PREDICATE HAS IS NOT NULL WITH FALSE ON OTHER SIDE. | |
product: | |
DB2 FOR LUW / DB2FORLUW / B50 - DB2 | |
Problem description: | |
Db2 query may generate wrong result when the following conditions are met: -At least one Outer Join -One equality predicate with IS NOT NULL on one side and FALSE on the other side. | |
Problem Summary: | |
**************************************************************** * USERS AFFECTED: * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * **************************************************************** * RECOMMENDATION: * **************************************************************** | |
Local Fix: | |
Convert the predicate into IS NULL form. For example convert ISNOTNULL(col) = FALSE into col IS NULL | |
Solution | |
Workaround | |
**************************************************************** * USERS AFFECTED: * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * **************************************************************** * RECOMMENDATION: * **************************************************************** | |
Timestamps | |
Date - problem reported : Date - problem closed : Date - last modified : | 16.11.2020 06.04.2021 06.04.2021 |
Problem solved at the following versions (IBM BugInfos) | |
Problem solved according to the fixlist(s) of the following version(s) |