home clear 64x64
en blue 200x116 de orange 200x116 info letter User
suche 36x36
Latest versionsfixlist
11.1.0.7 FixList
10.5.0.9 FixList
10.1.0.6 FixList
9.8.0.5 FixList
9.7.0.11 FixList
9.5.0.10 FixList
9.1.0.12 FixList
Have problems? - contact us.
Register for free anmeldung-x26
Contact form kontakt-x26

DB2 - Problem description

Problem IC67765 Status: Closed

QUERY WITH RANGE PARTITIONED TABLE CAN FAIL WITH SQL0901 "BAD PL AN;
UNRESOLVED QNC FOUND" IF PREDICATES ELIMINATE ALL PARTITIONS

product:
DB2 FOR LUW / DB2FORLUW / 980 - DB2
Problem description:
A query can fail with with SQL0901, "Bad Plan; Unresolved QNC 
found". 
 
The conditions triggering the failure include a range 
partitioned table where applying some of the predicates, but not 
all predicates, will eliminate all partitions in a range 
partitioned table. 
 
 
The db2diag.log will contain the following message: 
 
2010-03-18-11.24.10.716184-240 I624697E862         LEVEL: Severe 
PID     : 23763                TID  : 187955145056 PROC : 
db2sysc 1 
INSTANCE: db2inst1             NODE : 001          DB   : SAMPLE 
APPHDL  : 1-32931              APPID: 
*LOCAL.db2inst1.10031516111 
AUTHID  : DB2INST1 
EDUID   : 151518               EDUNAME: db2agent (SAMPLE) 1 
FUNCTION: DB2 UDB, relation data serv, sqlrr_dump_ffdc, 
probe:300 
DATA #1 : SQLCA, PD_DB2_TYPE_SQLCA, 136 bytes 
 sqlcaid : SQLCA     sqlcabc: 136   sqlcode: -901   sqlerrml: 30 
 sqlerrmc: Bad Plan; Unresolved QNC found 
 sqlerrp : SQLNG006 
 sqlerrd : (1) 0x00000000      (2) 0x00000000      (3) 
0x00000000 
           (4) 0x00000001      (5) 0xFFFFFFCE      (6) 
0x00000001 
 sqlwarn : (1)      (2)      (3)      (4)        (5)       (6) 
           (7)      (8)      (9)      (10)        (11) 
 sqlstate:
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* Users of range partitioned tables                            * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* See above.                                                   * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to Fix Pack 4 or a later release that contains the   * 
* fix.                                                         * 
****************************************************************
Local Fix:
available fix packs:
DB2 Version 9.8 Fix Pack 4 for AIX and Linux
DB2 Version 9.8 Fix Pack 5 for AIX and Linux

Solution
Problem was first fixed in Version 9.8 Fix Pack 4.
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
09.04.2010
02.08.2011
02.08.2011
Problem solved at the following versions (IBM BugInfos)
9.8.FP4
Problem solved according to the fixlist(s) of the following version(s)
9.8.0.4 FixList