Fixes are available
Db2 Version 11.1 Mod 3 Fix Pack 3 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod3 Fix Pack3 iFix001 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod3 Fix Pack3 iFix002 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod 4 Fix Pack 6 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod 4 Fix Pack 5 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod 4 Fix Pack 7 for Linux, UNIX, and Windows
APAR status
Closed as program error.
Error description
Using a query with nested CASE statements against Columnar Organized Tables including a division operation using column data can lead the query to end with : SQL0801N Division by zero was attempted example: CREATE TABLE test  ( test_col DECIMAL(29,16) ) ORGANIZE BY COLUMN; insert into test values (0),(NULL); SELECT CASE WHEN result_1 IS NULL THEN -99999 ELSE CASE WHEN result_1 = 0 THEN -99998 ELSE CASE WHEN result_1 < 0 THEN -99996 ELSE (0 / result_1) END END END FROM ( SELECT CASE WHEN test_col IS NULL THEN NULL ELSE (0/(CASE WHEN test_col IS NULL THEN 0 ELSE 1 END)) END AS result_1 FROM test ) ;
Local fix
rewrite the query to avoid nested case statements with division over the same value
Problem summary
**************************************************************** * USERS AFFECTED: * * COLUMN ORGANIZED TABLES * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * **************************************************************** * RECOMMENDATION: * * See Error Description and install this fix. * ****************************************************************
Problem conclusion
See Error Description and install this fix.
Temporary fix
Comments
APAR Information
APAR number
IT20898
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
2017-06-06
Closed date
2018-03-19
Last modified date
2018-03-19
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 PSY
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