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 IC84127 Status: Closed

QUERY REFERENCING A TABLE CONTAINING A GENERATED COLUMN MIGHT PRODUCE A
-901

product:
DB2 FOR LUW / DB2FORLUW / A10 - DB2
Problem description:
Under rare scenarios, DB2 might produce a SQL0901N if the 
following conditions are true: 
 
- The query references a table with one or more generated 
  columns 
- The same table is part of one or more MQTs 
- The generated column(s) are not referenced in the MQT 
 
In the db2diag.log, the issue appears as 
 
20xx-xx-xx-xx.xx.xx.xxxxxx-xxx xxxxxxxxxxxxxx      LEVEL: Severe 
PID     : xxxxx                TID  : xxxxxxxxxxxx PROC : 
db2sysc 1 
INSTANCE: xxxxxxxx             NODE : 001          DB   : xxxxxx 
APPHDL  : 1-5889               APPID: 
xx.xxx.xxx.xxx.xxxxx.xxxxxxxxxx 
AUTHID  : xxxxxx 
EDUID   : 93402                EDUNAME: db2agent (xxxxxx) 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 : SQLNG032 
 sqlerrd : (1) 0x00000000      (2) 0x00000000      (3) 
0x00000000 
           (4) 0x000000B9      (5) 0xFFFFFC1E      (6) 
0x00000001 
 sqlwarn : (1)      (2)      (3)      (4)        (5)       (6) 
           (7)      (8)      (9)      (10)        (11) 
 sqlstate: 
 
 
<dumping into FODC> 
 
20xx-xx-xx-xx.xx.xx.xxxxxx-xxx xxxxxxxxxxxxxxx     LEVEL: Info 
(Origin) 
PID     : xxxxx                TID  : xxxxxxxxxxxx PROC : 
db2sysc 1 
INSTANCE: xxxxxxxx             NODE : 001          DB   : xxxxxx 
APPHDL  : 1-5889               APPID: 
xx.xxx.xxx.xxx.xxxxx.xxxxxxxxxx 
AUTHID  : xxxxxx 
EDUID   : 93402                EDUNAME: db2agent (xxxxxx) 1 
FUNCTION: DB2 UDB, SW- common services, sqlnn_cmpl, probe:650 
MESSAGE : ZRC=0x801A006D=-2145779603=SQLZ_CA_BUILT 
          "SQLCA has already been built" 
DATA #1 : String, 723 bytes 
Compiler error stack for rc = -2145779603: 
sqlnn_cmpl[420] 
sqlng_main[2790] 
sqlng_main[1656] 
sqlng_build_thread[10] 
sqlng_process_return_op[50] 
sqlng_process_pipe_op[30] 
sqlng_process_mate_op[1735] 
sqlng_process_TQ_op[30] 
sqlng_build_thread[40] 
sqlng_scan_derived_table[40] 
sqlng_build_thread[10] 
sqlng_process_sort_op[20] 
sqlng_process_nljn_op[50] 
sqlng_build_thread[10] 
sqlng_process_hsjn_op[60] 
sqlng_build_thread[10] 
sqlng_process_nljn_op[50] 
sqlng_build_thread[10] 
sqlng_process_TQ_op[30] 
sqlng_build_thread[40] 
sqlng_process_nljn_op[140] 
sqlng_build_thread[10] 
sqlng_process_f_iscan[110] 
sqlng_build_TA_op[110] 
sqlng_build_thread[100] 
sqlng_walk_BF_chain[25] 
sqlng_process_BF_node[20] 
sqlng_process_parse_tree_n[994] 
 
<followed by ADM5570W>
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* ALL                                                          * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* See Error Description                                        * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to DB2 Version 10.1 Fixpack 1                        * 
****************************************************************
Local Fix:
Create another MQT which references the generated column in the 
select list.
available fix packs:
DB2 Version 10.1 Fix Pack 1 for Linux, UNIX, and Windows
DB2 Version 10.1 Fix Pack 2 for Linux, UNIX, and Windows
DB2 Version 10.1 Fix Pack 3 for Linux, UNIX, and Windows
DB2 Version 10.1 Fix Pack 4 for Linux, UNIX, and Windows
DB2 Version 10.1 Fix Pack 3a for Linux, UNIX, and Windows
DB2 Version 10.1 Fix Pack 6 for Linux, UNIX, and Windows

Solution
Fixed in DB2 Version 10.1 Fixpack 1
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
12.06.2012
28.03.2013
28.03.2013
Problem solved at the following versions (IBM BugInfos)
Problem solved according to the fixlist(s) of the following version(s)
10.1.0.1 FixList
10.5.0.1 FixList