DB2 - Problembeschreibung
| Problem IC83597 | 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 / 970 - 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 9.7 FP7 or subsequent fix pack * **************************************************************** | |
| 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. | |
| verfügbare FixPacks: | |
DB2 Version 9.7 Fix Pack 7 for Linux, UNIX, and Windows | |
| Lösung | |
Problem First Fixed in DB2 Version 9.7 Fix Pack 7 | |
| Workaround | |
keiner bekannt / siehe Local-Fix | |
| Weitere Daten | |
Datum - Problem gemeldet : Datum - Problem geschlossen : Datum - der letzten Änderung: | 18.05.2012 01.11.2012 01.11.2012 |
| Problem behoben ab folgender Versionen (IBM BugInfos) | |
9.7.FP7 | |
| Problem behoben lt. FixList in der Version | |
| 9.7.0.7 |
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