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DB2 - Problembeschreibung

Problem IC76640 Status: Geschlossen

DB2 CAN RETURN SQL0901N WHEN COMPILING SQL STATEMENTS ACCESSING TABLES WITH
GENERATED COLUMNS

Produkt:
DB2 FOR LUW / DB2FORLUW / 950 - DB2
Problembeschreibung:
DB2 can return SQL0901N when compiling SQL statements. The error 
code contain the following message: 
 
SQL0901N  The SQL statement failed because of a non-severe 
system error. 
Subsequent SQL statements can be processed.  (Reason "Bad Plan; 
Unresolved QNC 
found".)  SQLSTATE=58004 
 
The SQL statements should meet the following conditions: 
 
1. The SQL statement access tables which contain generated 
columns 
2. The SQL statement has join predicates that reference the 
columns on which the generated column is based 
3. The generated column is not explictly referenced in the SQL 
statement
Problem-Zusammenfassung:
**************************************************************** 
* USERS AFFECTED:                                              * 
* All users running DB2 v9.5                                   * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* DB2 can return SQL0901N when compiling SQL statements. The   * 
* error                                                        * 
* code contain the following message:                          * 
*                                                              * 
*                                                              * 
*                                                              * 
* SQL0901N  The SQL statement failed because of a non-severe   * 
*                                                              * 
* system error.                                                * 
*                                                              * 
* Subsequent SQL statements can be processed.  (Reason "Bad    * 
* Plan;                                                        * 
* Unresolved QNC                                               * 
*                                                              * 
* found".)  SQLSTATE=58004                                     * 
*                                                              * 
*                                                              * 
*                                                              * 
* The SQL statements should meet the following conditions:     * 
*                                                              * 
*                                                              * 
*                                                              * 
* 1. The SQL statement access tables which contain generated   * 
*                                                              * 
* columns                                                      * 
*                                                              * 
* 2. The SQL statement has join predicates that reference the  * 
*                                                              * 
* columns on which the generated column is based               * 
*                                                              * 
* 3. The generated column is not explictly referenced in the   * 
* SQL                                                          * 
* statement                                                    * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to DB2 v9.7 FP5.                                     * 
****************************************************************
Local-Fix:
Add the generated column to the SQL statement.
Lösung
Workaround
keiner bekannt / siehe Local-Fix
Weitere Daten
Datum - Problem gemeldet    :
Datum - Problem geschlossen :
Datum - der letzten Änderung:
26.05.2011
31.05.2011
31.05.2011
Problem behoben ab folgender Versionen (IBM BugInfos)
9.7.FP5
Problem behoben lt. FixList in der Version