DB2 - Problem description
Problem IT17823 | Status: Closed |
SQL901 ERROR DURING QUERY COMPILATION. | |
product: | |
DB2 FOR LUW / DB2FORLUW / A10 - DB2 | |
Problem description: | |
DB2 might crash during query compilation. The problem can occur if we plan a ZZJN and the output cardinality of the ZZJN has a provable maximum 1 or 0. In the database log one can find the stack similar to the one below 2016-09-21-11.44.11.852427-240 E397706E2848 LEVEL: Info (Origin) PID : 26197 TID : 47142626388288 PROC : db2sysc INSTANCE: szamraj NODE : 000 DB : DAZFP1 APPHDL : 0-18 APPID: *LOCAL.szamraj.160921154155 AUTHID : SZAMRAJ HOSTNAME: hotel54 EDUID : 18 EDUNAME: db2agent (DAZFP1) FUNCTION: DB2 UDB, SW- common services, sqlnn_cmpl, probe:650 MESSAGE : ZRC=0x803100AF=-2144272209=SQLNN_E_BADNEWS "unexpected error but state is OK" DATA #1 : String, 62 bytes An unexpected error was detected during statement compilation. DATA #2 : Boolean, 1 bytes true DATA #3 : Boolean, 1 bytes false DATA #4 : Boolean, 1 bytes false DATA #5 : Boolean, 1 bytes false DATA #6 : Hex integer, 4 bytes 0x00000000 DATA #7 : SQLCA, PD_DB2_TYPE_SQLCA, 136 bytes sqlcaid : SQLCA sqlcabc: 136 sqlcode: -901 sqlerrml: 41 sqlerrmc: Order property truncated to zero columns. sqlerrp : SQLNO146 sqlerrd : (1) 0x801A006D (2) 0x00000000 (3) 0x00000000 (4) 0x00000000 (5) 0xFFFFFF9C (6) 0x00000000 sqlwarn : (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) sqlstate: DATA #8 : Hex integer, 4 bytes 0x00000040 DATA #9 : String with size, 1000 bytes SELECT COL1, COL2, ...... DATA #10: String, 473 bytes Compiler error stack for rc = -2144272209: sqlnn_cmpl[380] sqlno_exe[900] sqlno_planning_phase[200] sqlno_planning_scan[400] sqlno_scan_utils_qgm[200] sqlno_each_qur[400] sqlno_top_qtb[100] sqlno_each_opr[200] sqlno_walk_qun[100] sqlno_each_opr[1200] sqlno_plan_end_opr[100] sqlno_gen_partitions_for_Q[300] sqlno_open_part[410] sqlno_generate_zzjn_plans[40] sqlno_generate_single_fact[210] sqlno_crule_save_plans[100] sqlno_crule_save_plans[720] sqlno_order_chop_prop[100] | |
Problem Summary: | |
**************************************************************** * USERS AFFECTED: * * ALL * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * **************************************************************** * RECOMMENDATION: * * Upgrade to DB2 10.1 Fix Pack 6 * **************************************************************** | |
Local Fix: | |
db2set -im DB2_REDUCED_OPTIMIZATION='ZZJN OFF' | |
Solution | |
First fixed in DB2 10.1 Fix Pack 6 | |
Workaround | |
not known / see Local fix | |
Timestamps | |
Date - problem reported : Date - problem closed : Date - last modified : | 07.11.2016 02.03.2017 02.03.2017 |
Problem solved at the following versions (IBM BugInfos) | |
Problem solved according to the fixlist(s) of the following version(s) |