|
Problem IT38439
|
Status: Closed |
DB2 QUERY MAY ABEND OR RETURN A SQL 901 WHEN USING A CORRELATED COMMON TABLE EXPRESSION
|
| product: |
DB2 FOR LUW / DB2FORLUW / B10 - DB2 |
| Problem description: |
A Db2 query may abend or generate a SQL 901 error
when the following conditions are met:
There is a correlated scalar subquery present
There are multiple references of the above mentioned subquery
There is one or more joins in the query. |
| Problem Summary: |
****************************************************************
* USERS AFFECTED: *
* ALL *
****************************************************************
* PROBLEM DESCRIPTION: *
* See Error Description *
****************************************************************
* RECOMMENDATION: *
* Upgrade to Db2 Version 11.1 Fix Pack 7 *
**************************************************************** |
| Local Fix: |
It may be possible to work around this by adding the Optimizer
Guideline below to the end of the query.
/*
*/
Note: To enable Db2 to use the optimizer guidelines it will be
necessary to run the command db2set -im DB2_OPTPROFILE=YES. The
command will take effect immediately without restarting Db2 |
| Solution |
|
| Workaround |
****************************************************************
* USERS AFFECTED: *
* ALL *
****************************************************************
* PROBLEM DESCRIPTION: *
* See Error Description *
****************************************************************
* RECOMMENDATION: *
* Upgrade to Db2 Version 11.1 Fix Pack 7 *
**************************************************************** |
| Comment |
First Fixed in Db2 Version 11.1 Fix Pack 7 |
| Timestamps |
Date - problem reported :
Date - problem closed :
Date - last modified :
| 21.09.2021
17.04.2022
17.04.2022 |
| Problem solved at the following versions (IBM BugInfos) |
|
| Problem solved according to the fixlist(s) of the following version(s) |
