DB2 - Problem description
Problem IT09416 | Status: Closed |
QUERY MIGHT RETURN INCORRECTLY SORTED ROWS. | |
product: | |
DB2 FOR LUW / DB2FORLUW / A50 - DB2 | |
Problem description: | |
Complex query might return incorrectly sorted rows in situation when following conditions are met: - there is DISTINCT clause in the top SELECT of a query; - there is ORDER BY and/or FETCH FIRST n ROWS ONLY clause. Query snippet: SELECT DISTINCT ... FROM ... WHERE ... = ( SELECT ...) ORDER BY ... This query might return incorrect results. | |
Problem Summary: | |
**************************************************************** * USERS AFFECTED: * * ALL * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * **************************************************************** * RECOMMENDATION: * * Upgrade to DB2 Version 10.5 and Fix Pack 7 * **************************************************************** | |
Local Fix: | |
SELECT DISTINCT should be separated from the ORDER BY: Query snippet: SELECT * FROM ( SELECT DISTINCT ... FROM ... WHERE ... = ( SELECT ... ) ) ORDER BY... | |
Solution | |
Problem was first fixed in DB2 Version 10.5 and Fix Pack 7 | |
Workaround | |
not known / see Local fix | |
Timestamps | |
Date - problem reported : Date - problem closed : Date - last modified : | 11.06.2015 20.01.2016 20.01.2016 |
Problem solved at the following versions (IBM BugInfos) | |
Problem solved according to the fixlist(s) of the following version(s) | |
10.5.0.7 |