Fixes are available
APAR status
Closed as program error.
Error description
Db2 query may hang when the following conditions are met: -The query has inner join with OR predicate -At least one of the OR predicate references only one join/subgraph.
Local fix
Turn the registry off: db2set -im DB2_EXTENDED_OPTIMIZATION="INJ_DUMMY_PRD4JOIN OFF" or apply the above using optimizer guidelines as <query> /* <OPTGUIDELINES> <REGISTRY> <OPTION NAME='DB2_EXTENDED_OPTIMIZATION' VALUE='INJ_DUMMY_PRD4JOIN OFF'/> </REGISTRY> </OPTGUIDELINES>*/ ;
Problem summary
**************************************************************** * USERS AFFECTED: * * DB2 V11.1.4 * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * **************************************************************** * RECOMMENDATION: * * none * ****************************************************************
Problem conclusion
Temporary fix
Comments
APAR Information
APAR number
IT34104
Reported component name
DB2 FOR LUW
Reported component ID
DB2FORLUW
Reported release
B10
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2020-09-03
Closed date
2021-03-15
Last modified date
2021-03-15
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
DB2 FOR LUW
Fixed component ID
DB2FORLUW
Applicable component levels
RB10 PSN
UP
[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSEPGG","label":"DB2 for Linux- UNIX and Windows"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"11.1","Line of Business":{"code":"LOB10","label":"Data and AI"}}]
Document Information
Modified date:
04 May 2022