DB2 - Problem description
Problem IT36441 | Status: Closed |
DB2 QUERY PERFORMS BAD WHEN USING SUBQUERY PREDICATE WITH OR | |
product: | |
DB2 FOR LUW / DB2FORLUW / B50 - DB2 | |
Problem description: | |
Db2 query may perform bad when the following conditions are met: The query has OR predicate There is one or more local predicates as OR subterm There is one or more subquery (e.g. IN/EXISTS) predicates as OR subterm There are multiple tables and/or joins involved on the from clause on which the OR predicate applies Subquery predicates do not access all tables and/or joins involved | |
Problem Summary: | |
**************************************************************** * USERS AFFECTED: * * Db2 Version 11.5 * **************************************************************** * PROBLEM DESCRIPTION: * * See Description. * **************************************************************** * RECOMMENDATION: * * Upgrade to 11.5.6 or later * **************************************************************** | |
Local Fix: | |
/* */ | |
Solution | |
Workaround | |
**************************************************************** * USERS AFFECTED: * * Db2 Version 11.5 * **************************************************************** * PROBLEM DESCRIPTION: * * See Description. * **************************************************************** * RECOMMENDATION: * * Upgrade to 11.5.6 or later * **************************************************************** | |
Comment | |
Upgrade to 11.5.6 or later | |
Timestamps | |
Date - problem reported : Date - problem closed : Date - last modified : | 01.04.2021 08.06.2021 21.06.2021 |
Problem solved at the following versions (IBM BugInfos) | |
Problem solved according to the fixlist(s) of the following version(s) |