|
Problem IT22665
|
Status: Closed |
-901 OR TRAP WHEN OUTER JOIN ON GROUP BY AND UNION
|
| product: |
DB2 FOR LUW / DB2FORLUW / A50 - DB2 |
| Problem description: |
Description: Db2 query may abend or generate 901 when the
folloiwng conditions are met:
1) It has Left/Right Outer Join
2) There is a GROUP BY on the null producing side of Outer Join
3) There is a UNION ALL on the other side of Outer Join
4) The size of null producing side is larger than row preserving
side |
| Problem Summary: |
****************************************************************
* USERS AFFECTED: *
* All *
****************************************************************
* PROBLEM DESCRIPTION: *
* See Error Description *
****************************************************************
* RECOMMENDATION: *
* Upgrade to DB2 Version 10.5 FixPack 10 or later *
**************************************************************** |
| Local Fix: |
Set registry setting DB2COMPOPT with NO_DEEPKEYPU or NO_GBPU as:
db2set -im DB2COMPOPT=NO_DEEPKEYPU
or
db2set -im DB2COMPOPT=NO_GBPU
or use one of them with optguidelines:
/*
*/
or
/*
*/ |
| Solution |
|
| Workaround |
not known / see Local fix |
| BUG-Tracking |
forerunner : IT22646
follow-up : |
| Timestamps |
Date - problem reported :
Date - problem closed :
Date - last modified :
| 03.10.2017
11.07.2018
11.07.2018 |
| Problem solved at the following versions (IBM BugInfos) |
|
| Problem solved according to the fixlist(s) of the following version(s) |
