|
Problem IC62586
|
Status: Geschlossen |
CARDINALITY OF OR PREDICATE IS UNDERESTIMATED WHEN LIKE PREDICATE IS A SUBTERM OF AN OR PREDICATE. |
| Produkt: |
DB2 FOR LUW / DB2FORLUW / 970 - 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 DB2 UDB Version 9.7, FixPak 2. *
**************************************************************** |
| Local-Fix: |
|
| verfügbare FixPacks: |
DB2 Version 9.7 Fix Pack 2 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 3 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 3a for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 4 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 5 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 6 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 7 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9a for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 8 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 10 for Linux, UNIX, and Windows
|
| Lösung |
First fixed in DB2 UDB Version 9.7, FixPak 2. |
| Workaround |
keiner bekannt / siehe Local-Fix |
| Weitere Daten |
Datum - Problem gemeldet :
Datum - Problem geschlossen :
Datum - der letzten Änderung:
| 18.08.2009
31.05.2010
31.05.2010 |
| Problem behoben ab folgender Versionen (IBM BugInfos) |
9.7.
|
| Problem behoben lt. FixList in der Version |
| 9.7.0.2
|
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