|
Problem IC81169
|
Status: Geschlossen |
ROLLUP OR CUBE QUERY MAY RETURN INCORRECT RESULT WHEN IT REFERENCES SAME GROUPING(EXPRESSION) MULTIPLE TIMES |
| Produkt: |
DB2 FOR LUW / DB2FORLUW / 910 - DB2 |
| Problembeschreibung: |
A query may return incorrect when all the following conditions
are met:
1. Query has GROUP BY with CUBE or ROLLUP operation
2. Query has GROUPING function present in SELECT or HAVING
clause that is applied to CUBE or ROLLUP operation
3. The same GROUPING function is repeated >=2 times
4. GROUPING function operand is such an expression that contains
function of literals |
| Problem-Zusammenfassung: |
****************************************************************
* USERS AFFECTED: *
* ALL *
****************************************************************
* PROBLEM DESCRIPTION: *
* A query may return incorrect when all the following *
* conditions *
* are met: *
* 1. Query has GROUP BY with CUBE or ROLLUP operation *
* 2. Query has GROUPING function present in SELECT or HAVING *
* clause that is applied to CUBE or ROLLUP operation *
* 3. The same GROUPING function is repeated >=2 times *
* 4. GROUPING function operand is such an expression that *
* contains *
* function of literals *
****************************************************************
* RECOMMENDATION: *
* Upgrade to DB2 UDB to fixed release. *
**************************************************************** |
| Local-Fix: |
Rewrite the query as follows.
Use CTE (Common Table Expression) to compute one
GROUPING(EXPRESSION) result at first, and SELECT from CTE and
reference the grouping result as wanted. |
| Lösung |
|
| Workaround |
keiner bekannt / siehe Local-Fix |
| Weitere Daten |
Datum - Problem gemeldet :
Datum - Problem geschlossen :
Datum - der letzten Änderung:
| 02.02.2012
13.02.2012
13.02.2012 |
| Problem behoben ab folgender Versionen (IBM BugInfos) |
|
| Problem behoben lt. FixList in der Version |
