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DB2 - Problembeschreibung

Problem IT03855 Status: Geschlossen

PERFORMANCE PROBLEM WITH QUERY THAT USES A SEQUENCE IN THE PROJECTION LIST

Produkt:
DB2 FOR LUW / DB2FORLUW / A10 - DB2
Problembeschreibung:
Under rare scenarios, performance degradation might be noticed 
with queries that are using a SEQUENCE in the projection list of 
the SELECT, like: 
 
SELECT SEQUENCE1.NEXTVAL, COL1 ... 
FROM T ... 
 
The following conditions must be met to encounter this problem: 
 
1) The query contains a sequence in the projection of a 
subselect 
2) The subselect with the SEQUENCE references at least 1 base 
table and at least one subselect 
3) The lower subselect is marked as a distinct
Problem-Zusammenfassung:
**************************************************************** 
* USERS AFFECTED:                                              * 
* ALL                                                          * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* See Problem Description above.                               * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to DB2 Version 10.1 Fix Pack 5.                      * 
****************************************************************
Local-Fix:
Lösung
First fixed in DB2 Version 10.1 Fix Pack 5.
Workaround
keiner bekannt / siehe Local-Fix
Weitere Daten
Datum - Problem gemeldet    :
Datum - Problem geschlossen :
Datum - der letzten Änderung:
19.08.2014
14.07.2015
14.07.2015
Problem behoben ab folgender Versionen (IBM BugInfos)
Problem behoben lt. FixList in der Version
10.1.0.5 FixList