DB2 - Problembeschreibung
Problem IT09090 | Status: Geschlossen |
FFNR, FETCH FIRST N ROW ONLY MAY TAKE TIME UNEXPECTEDLY. | |
Produkt: | |
DB2 FOR LUW / DB2FORLUW / 970 - DB2 | |
Problembeschreibung: | |
Here is an example. If run a select similar below : SELECT A, B FROM FROM TAB1 ORDER BY A FETCH FIRST xxxxx ROW ONLY; And the table TAB1 has a lot of same data, it may take time as below : FFNR 1400000 Total sort time (ms) = 9217 FFNR 1300000 Total sort time (ms) = 1084199 1400000 rows case faster than 1300000 rows case. Larger number of rows faster than small number of rows unexpectedly. | |
Problem-Zusammenfassung: | |
**************************************************************** * USERS AFFECTED: * * DB2 UDB Version 9.7 * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * **************************************************************** * RECOMMENDATION: * * Upgrade to Version 9.7 FixPack 11. * **************************************************************** | |
Local-Fix: | |
Lösung | |
Problem was first fixed in DB2 UDB Version 9.7 FixPack 11. | |
Workaround | |
keiner bekannt / siehe Local-Fix | |
Weitere Daten | |
Datum - Problem gemeldet : Datum - Problem geschlossen : Datum - der letzten Änderung: | 26.05.2015 11.10.2015 11.10.2015 |
Problem behoben ab folgender Versionen (IBM BugInfos) | |
9.7.FP11 | |
Problem behoben lt. FixList in der Version | |
9.7.0.11 |