DB2 - Problembeschreibung
Problem IC81675 | Status: Geschlossen |
THE NO_SORT_NLJOIN AND NO_SORT_MGJOIN DB2_REDUCED_OPTIMIZATION OPTIONS ARE NOT CONSIDERED AT OPT LEVEL 7 | |
Produkt: | |
DB2 FOR LUW / DB2FORLUW / 950 - DB2 | |
Problembeschreibung: | |
The NO_SORT_NLJOIN and NO_SORT_MGJOIN options for the DB2_REDUCED_OPTIMIZATION registry variable are not considered at opt level 7. At the lower opt levels, these settings will disable planning for sorted NLJOINs and sorted MSJOINs. | |
Problem-Zusammenfassung: | |
**************************************************************** * USERS AFFECTED: * * ALL * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * **************************************************************** * RECOMMENDATION: * * Upgrade to DB2 9.5 FP10 or subsequent fix packs. * **************************************************************** | |
Local-Fix: | |
Use an optimization profile to force the join method / order that is equivalent the plan when the NO_SORT setting is in effect. | |
Lösung | |
Problem First Fixed in DB2 Version 9.5 Fix Pack 10 | |
Workaround | |
keiner bekannt / siehe Local-Fix | |
Bug-Verfolgung | |
Vorgänger : APAR is sysrouted TO one or more of the following: IC83597 IC87864 Nachfolger : | |
Weitere Daten | |
Datum - Problem gemeldet : Datum - Problem geschlossen : Datum - der letzten Änderung: | 27.02.2012 06.11.2012 06.11.2012 |
Problem behoben ab folgender Versionen (IBM BugInfos) | |
9.5.FP10 | |
Problem behoben lt. FixList in der Version | |
9.5.0.10 |