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Problem IT26282
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Status: Closed |
UPDATE ON FULL TABLE WHICH USES SUB_SELECT COULD INCORRECTLY SET VALUES TO NULL FOR COLUMN BEING UPDATED.
|
| product: |
DB2 FOR LUW / DB2FORLUW / B10 - DB2 |
| Problem description: |
Update using a sub-select on the full table could incorrectly
set column value to NULL.
Single row update is correct and is setting a proper value for
the column.
The problem only exists in v11.
example:
update test1 t1 set col_a = (select t2.col_a from test2 t2
where t1.col_a = t2.col_a)
col_a will be updated to NULL incorrectly. |
| Problem Summary: |
****************************************************************
* USERS AFFECTED: *
* All *
****************************************************************
* PROBLEM DESCRIPTION: *
* Please, see Error Description and install this Fix: v11 *
* Fixpak 4. *
****************************************************************
* RECOMMENDATION: *
* Please, see Error Description and install this Fix: v11 *
* Fixpak 4. *
**************************************************************** |
| Local Fix: |
db2set DB2COMPOPT=NO_UPDATE_COMP |
| Solution |
|
| Workaround |
not known / see Local fix |
| Timestamps |
Date - problem reported :
Date - problem closed :
Date - last modified :
| 13.09.2018
02.12.2018
02.12.2018 |
| Problem solved at the following versions (IBM BugInfos) |
|
| Problem solved according to the fixlist(s) of the following version(s) |
