|
Problem IC75197
|
Status: Closed |
INSTANCE MAY ABEND COMPILING A QUERY CONTAINING PREDICATES ON MAX OR MIN FUNCTIONS AGGREGATED ON CASE EXPRESSIONS |
| product: |
DB2 FOR LUW / DB2FORLUW / 970 - DB2 |
| Problem description: |
DB2 instance may abend during compilation of a query that
satisfies the following conditions:
- There is an equality predicate (EQPRD) in the query
- One side of EQPRD is either a constant, host-variable or
special register (CONST)
- The other side of EQPRD is a column derived from the output of
a MAX or MIN aggregate function
- The MAX or MIN function aggregates a column from a nested
subselect (NS)
- The column from NS is a CASE expression (CASEEXP)
- CASEEXP has only 1 WHEN clause
- The WHEN clause is also an EQPRD (WHENPRD)
- One side of WHENPRD is CONST
- The other side of WHENPRD is non-CONST
- NS also has another CASE expression as an output column which
is not referenced anywhere else
- NS has a SELECT DISTINCT clause |
| Problem Summary: |
****************************************************************
* USERS AFFECTED: *
* ALL *
****************************************************************
* PROBLEM DESCRIPTION: *
* See Error Description. *
****************************************************************
* RECOMMENDATION: *
* Upgrade to DB2 Version 9.7 Fix Pack 5 or later. *
**************************************************************** |
| Local Fix: |
Rewrite the problematic query into a semantically identical form
to preclude any of the conditions described above, e.g., EQPRD
may be rewritten as a redundant IN predicate. |
| available fix packs: |
DB2 Version 9.7 Fix Pack 5 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 6 for Linux, UNIX, and Windows
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 |
First fixed in DB2 Version 9.7 Fix Pack 5. |
| Workaround |
not known / see Local fix |
| Timestamps |
Date - problem reported :
Date - problem closed :
Date - last modified :
| 23.03.2011
07.12.2011
07.12.2011 |
| Problem solved at the following versions (IBM BugInfos) |
9.7.FP5
|
| Problem solved according to the fixlist(s) of the following version(s) |
| 9.7.0.5
|
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