DB2 - Problem description
Problem IT26449 | Status: Closed |
DB2 MAY ABEND WHEN ATTEMPTING TO REVALIDATE A MATERIALIZED QUERYTABLE | |
product: | |
DB2 FOR LUW / DB2FORLUW / A50 - DB2 | |
Problem description: | |
DB2 may abend when attempting to revalidate a Materialized Query Table (MQT). MQTs should not be marked as invalid. Here's an example stack trace of the problem: ossDumpStackTraceInternal ossDumpStackTraceV98 OSSTrapFile::dumpEx sqlo_trce sqloEDUCodeTrapHandler __restore_rt sqlnn_regen_view sqlrl_regen_view sqlnq_check_referenced_qtb sqlnq_check_referenced_qtb sqlnq_handle_from_table_ref sqlnq_expand_stmt sqlnp_smactn sqlnp_parser sqlnp_main sqlnq_handle_sql_stmt sqlnq_expand_mst sqlnq_sem_refresh_table_full sqlnq_sem_refresh_table sqlns_imm_checked_noexcp sqlnq_set_constraints sqlnp_smactn sqlnp_parser sqlnp_main sqlnn_cmpl sqlnn_cmpl sqlra_compile_var sqlra_find_var sqlra_get_var sqlri_ddl_get_section sqlri_ddl_common sqlriddl sqlriSectInvoke sqlrr_execute_immediate sqlrr_execimmd sqljs_ddm_excsqlimm sqljsParseRdbAccessed sqljsParse sqljsSqlam sqljsDriveRequests sqljsDrdaAsInnerDriver sqljsDrdaAsDriver sqeAgent::RunEDU sqzEDUObj::EDUDriver sqloEDUEntry start_thread clone | |
Problem Summary: | |
**************************************************************** * USERS AFFECTED: * * All A50 users. * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * **************************************************************** * RECOMMENDATION: * * For now use the workaround to fix the issue and problem may * * be fixed in future release. * **************************************************************** | |
Local Fix: | |
Drop and recreate the MQT so that it is no longer invalid. This query can be used to check the validity of a MQT: SELECT VALID FROM SYSCAT.VIEWS WHERE VIEWNAME = AND VIEWSCHEMA = ; | |
Solution | |
Workaround | |
not known / see Local fix | |
BUG-Tracking | |
forerunner : follow-up : IT26451 | |
Timestamps | |
Date - problem reported : Date - problem closed : Date - last modified : | 27.09.2018 10.03.2020 10.03.2020 |
Problem solved at the following versions (IBM BugInfos) | |
Problem solved according to the fixlist(s) of the following version(s) |