DB2 - Problem description
Problem IC63091 | Status: Closed |
QUERY MAY RETURN SQL0901 ERROR WITH SQLNO_ITR_PLAN::NEXT MESSAGE IN THE DB2DIAG.LOG | |
product: | |
DB2 FOR LUW / DB2FORLUW / 970 - DB2 | |
Problem description: | |
A query may return an SQL0901 error in certain circumstances. The associated error in the db2diag.log indicates that during planning, all available access plans were pruned and there was no remaining plan. 2009-07-21-12.59.44.867308-300 I1329601A745 LEVEL: Severe PID : 1810706 TID : 1 PROC : db2agent (SAMPLE) 0 INSTANCE: db2insti NODE : 000 DB : SAMPLE APPHDL : 0-1527 APPID: GA0AC828.OD11.06E8C1175927DATA #1 : SQLCA, PD_DB2_TYPE_SQLCA, 136 bytes sqlcaid : SQLCA sqlcabc: 136 sqlcode: -901 sqlerrml: 58 sqlerrmc: sqlno_itr_plan::next [300]:rc( 0) sqlerrp : SQLNO08E sqlerrd : (1) 0x00000000 (2) 0x00000000 (3) 0x00000000 (4) 0x00000000 (5) 0xFFFFFED4 (6) 0x00000000 sqlwarn : (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) sqlstate: The stack associated with the error may include: sqlnn_erds sqlno_itr_plan::next sqlno_crule_nljn sqlno_crule_join_choices sqlno_crule_join_order sqlno_crule_join_root sqlno_crule_join sqlno_gen_partitions_for_QTB sqlno_plan_end_opr sqlno_each_opr sqlno_walk_qun sqlno_each_opr sqlno_walk_qun sqlno_each_opr sqlno_top_qtb sqlno_each_qur sqlno_scan_qgm sqlno_planning_scan sqlno_planning_phase sqlno_exe | |
Problem Summary: | |
**************************************************************** * USERS AFFECTED: * * All users, but rarely. * **************************************************************** * PROBLEM DESCRIPTION: * * A query may return an SQL0901 error in certain * * circumstances. * * The associated error in the db2diag.log indicates that * * during * * planning, all available access plans were pruned and there * * was * * no remaining plan. * * * * * * * * * * * * 2009-07-21-12.59.44.867308-300 I1329601A745 LEVEL: Severe * * * * PID : 1810706 TID : 1 PROC : * * * * db2agent (SAMPLE) 0 * * * * INSTANCE: db2insti NODE : 000 DB : SAMPLE * * * * APPHDL : 0-1527 APPID: * * * * GA0AC828.OD11.06E8C1175927DATA #1 : SQLCA, * * PD_DB2_TYPE_SQLCA, * * 136 bytes sqlcaid : SQLCA sqlcabc: 136 * * * * sqlcode: -901 sqlerrml: 58 sqlerrmc: sqlno_itr_plan::next * * * * [300]:rc( 0) sqlerrp : SQLNO08E * * sqlerrd : (1) 0x00000000 (2) * * * * 0x00000000 (3) 0x00000000 * * * * (4) 0x00000000 (5) * * * * 0xFFFFFED4 (6) 0x00000000 * * * * sqlwarn : (1) (2) (3) * * * * (4) (5) (6) (7) (8) (9) * * (10) (11) sqlstate: * * * * * * * * * * * * * * * * The stack associated with the error may * * * * include: * * * * sqlnn_erds * * * * sqlno_itr_plan::next * * * * sqlno_crule_nljn * * * * sqlno_crule_join_choices * * * * sqlno_crule_join_order * * * * sqlno_crule_join_root * * * * sqlno_crule_join * * * * sqlno_gen_partitions_for_QTB * * * * sqlno_plan_end_opr * * * * sqlno_each_opr * * * * sqlno_walk_qun * * * * sqlno_each_opr * * * * sqlno_walk_qun * * * * sqlno_each_opr * * * * sqlno_top_qtb * * * * sqlno_each_qur * * * * sqlno_scan_qgm * * * * sqlno_planning_scan * * * * sqlno_planning_phase * * * * sqlno_exe * **************************************************************** * RECOMMENDATION: * * Upgrade to Version 9.7 Fix Pack 3 or later. * **************************************************************** | |
Local Fix: | |
Setting the following registry variable may avoid the error: db2set DB2_REDUCED_OPTIMIZATION=ON | |
available fix packs: | |
DB2 Version 9.7 Fix Pack 2 for Linux, UNIX, and Windows | |
Solution | |
Problem was first fixed in Version 9.7 Fix Pack 3. | |
Workaround | |
Setting the following registry variable may avoid the error: db2set DB2_REDUCED_OPTIMIZATION=ON | |
Timestamps | |
Date - problem reported : Date - problem closed : Date - last modified : | 09.09.2009 20.09.2010 20.09.2010 |
Problem solved at the following versions (IBM BugInfos) | |
9.7.FP3 | |
Problem solved according to the fixlist(s) of the following version(s) | |
9.7.0.2 | |
9.7.0.3 | |
9.7.0.3 |