|
Problem IC71600
|
Status: Geschlossen |
CALCULATION ERROR IN CHECKS LEADING TO TOO MANY JOINS BELOW UNION ALL |
| Produkt: |
DB2 FOR LUW / DB2FORLUW / 970 - DB2 |
| Problembeschreibung: |
A calculation problem affects UNION ALL join UNION ALL scenario.
There is a calculation error in the checks which leads to a
scenario of not detecting too many joins below the UNION.
You can workaround this problem by reducing the
MAX_JOINS_IN_UNION parameter to a set value and/or reducing the
query optimization level to 0 or 1. |
| Problem-Zusammenfassung: |
****************************************************************
* USERS AFFECTED: *
* All DB2 V9.7 users *
****************************************************************
* PROBLEM DESCRIPTION: *
* CALCULATION ERROR IN CHECKS LEADING TO TOO MANY JOINS BELOW *
* UNION ALL *
****************************************************************
* RECOMMENDATION: *
* Upgrade to DB2 V9.7 FP5 to avail fix for this APAR. *
**************************************************************** |
| Local-Fix: |
(i) db2set DB2_UNION_OPTIMIZATION='MAX_JOINS_IN_UNION <value>'
(ii) You could also reduce the optimization level that the query
is compiled with to 0 or 1 |
| verfügbare FixPacks: |
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 8 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9a for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 10 for Linux, UNIX, and Windows
|
| Lösung |
APAR first fixed in DB2 V9.7 FP5 |
| Workaround |
keiner bekannt / siehe Local-Fix |
| Weitere Daten |
Datum - Problem gemeldet :
Datum - Problem geschlossen :
Datum - der letzten Änderung:
| 30.09.2010
08.12.2011
08.12.2011 |
| Problem behoben ab folgender Versionen (IBM BugInfos) |
9.7.FP5
|
| Problem behoben lt. FixList in der Version |
| 9.7.0.5
|
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