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Problem IC90906
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Status: Closed |
A QUERY INVOLVING AT LEAST TWO COUNT(DISTINCT ...) AGGREGATE FUNCTIONS MIGHT RETURN WRONG RESULTS |
| product: |
DB2 FOR LUW / DB2FORLUW / A10 - DB2 |
| Problem description: |
The problem occurs when there are at least
two COUNT(DISTINCT column_name) aggregation functions in a
SELECT query. |
| Problem Summary: |
****************************************************************
* USERS AFFECTED: *
* ALL *
****************************************************************
* PROBLEM DESCRIPTION: *
* See Error Description *
****************************************************************
* RECOMMENDATION: *
* Upgrade to DB2 Version 10.1 Fix Pack 3. *
**************************************************************** |
| Local Fix: |
Use the db2set DB2_EXTENDED_OPTIMIZATION=NO_MGMD command to
pick plans that avoid the issue. You can also use this
resolution to fix the issue in DB2 Version 9.7. |
| available fix packs: |
DB2 Version 10.1 Fix Pack 3 for Linux, UNIX, and Windows
DB2 Version 10.1 Fix Pack 4 for Linux, UNIX, and Windows
DB2 Version 10.1 Fix Pack 3a for Linux, UNIX, and Windows
DB2 Version 10.1 Fix Pack 6 for Linux, UNIX, and Windows
|
| Solution |
Problem was first fixed in DB2 Version 10.1 Fix Pack 3. |
| Workaround |
not known / see Local fix |
| Timestamps |
Date - problem reported :
Date - problem closed :
Date - last modified :
| 17.03.2013
27.09.2013
27.09.2013 |
| Problem solved at the following versions (IBM BugInfos) |
|
| Problem solved according to the fixlist(s) of the following version(s) |
| 10.1.0.3
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 |
| 10.1.0.3
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