|
Problem IC82361
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Status: Closed |
INCORRECT VALUE IN EXPLAIN_PREDICATE.SUBQUERY WHEN EXPLAINING FROM A SECTION |
| product: |
DB2 FOR LUW / DB2FORLUW / 970 - DB2 |
| Problem description: |
When capturing section explain information, the value of column
SUBQUERY of the explain table EXPLAIN_PREDICATE may incorrectly
be 'N' for some predicates. |
| Problem Summary: |
****************************************************************
* USERS AFFECTED: *
* All DB2 Linux, Unix, Windows users of Section Explain *
****************************************************************
* PROBLEM DESCRIPTION: *
* See Error Description *
****************************************************************
* RECOMMENDATION: *
* Upgrade the DB2 Linux, Unix and Windows server to Version *
* 9.7 Fix Pack 7. *
**************************************************************** |
| Local Fix: |
A workaround is to select the following expression instead of
selecting the SUBQUERY column directly.
SELECT CASE LENGTH(TRIM(WHEN_EVALUATED)) WHEN 0 THEN 'N' ELSE
'Y' END AS SUBQUERY FROM EXPLAIN_PREDICATE |
| available fix packs: |
DB2 Version 9.7 Fix Pack 7 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 8 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9a for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 10 for Linux, UNIX, and Windows
|
| Solution |
Upgrade the DB2 Linux, Unix and Windows server to Version 9.7
Fix Pack 7 in order for subquery predicates to be flagged
properly for explain from section. |
| Workaround |
not known / see Local fix |
| BUG-Tracking |
forerunner : APAR is sysrouted TO one or more of the following: IC88352
follow-up : |
| Timestamps |
Date - problem reported :
Date - problem closed :
Date - last modified :
| 29.03.2012
20.10.2012
20.10.2012 |
| Problem solved at the following versions (IBM BugInfos) |
9.7.,
9.7.FP7
|
| Problem solved according to the fixlist(s) of the following version(s) |
| 9.7.0.7
|
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