|
Problem IC66315
|
Status: Geschlossen |
CARDINALITY OF OR PREDICATE IS UNDERESTIMATED WHEN LIKE PREDICATE IS A SUBTERM OF AN OR PREDICATE. |
| Produkt: |
DB2 FOR LUW / DB2FORLUW / 980 - DB2 |
| Problembeschreibung: |
Cardinality of OR predicate is underestimated when LIKE
predicate is a subterm of an OR predicate, for example:
((Q1.PRODUCT_ID LIKE 'A%') OR (Q1.PRODUCT_ID = '1234567')) |
| Problem-Zusammenfassung: |
****************************************************************
* USERS AFFECTED: *
* ALL *
****************************************************************
* PROBLEM DESCRIPTION: *
* CARDINALITY OF OR PREDICATE IS UNDERESTIMATED WHEN *
* LIKEPREDICATE IS A SUBTERM OF AN OR PREDICATE. *
****************************************************************
* RECOMMENDATION: *
* Upgrade to Version 9.8 Fix Pack 3 *
**************************************************************** |
| Local-Fix: |
|
| verfügbare FixPacks: |
DB2 Version 9.8 Fix Pack 3 for Linux, UNIX, and Windows
DB2 Version 9.8 Fix Pack 4 for AIX and Linux
DB2 Version 9.8 Fix Pack 5 for AIX and Linux
|
| Lösung |
Problem was first fixed in Version 9.8 Fix Pack 3 |
| Workaround |
keiner bekannt / siehe Local-Fix |
| Weitere Daten |
Datum - Problem gemeldet :
Datum - Problem geschlossen :
Datum - der letzten Änderung:
| 17.02.2010
10.01.2011
10.01.2011 |
| Problem behoben ab folgender Versionen (IBM BugInfos) |
9.8.FP3
|
| Problem behoben lt. FixList in der Version |
| 9.8.0.3
|
 |
