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Problem IC95716
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Status: Closed |
SQL0901 REASON "ORDER COLS REMOVED FROM SORT OUTPUT COLS." WITH DB2_WORKLOAD=PUREDATA_OLAP |
| product: |
DB2 FOR LUW / DB2FORLUW / A10 - DB2 |
| Problem description: |
When the registry variable : DB2_WORKLOAD=PUREDATA_OLAP is
set, a heuristic that is applied during query compilation can
lead to error :
SQL0901 Reason "Order cols removed from sort output cols."
for statements that have no group by clause nor distinct
aggregate and that use the min/max aggregate.
This also only occurs in DPF or SMP environments.
This particular problem does not happen in versions below V10.1
Fix Pack 2. |
| Problem Summary: |
****************************************************************
* USERS AFFECTED: *
* users with DB2_WORKLOAD=PUREDATA_OLAP set *
****************************************************************
* PROBLEM DESCRIPTION: *
* See Error Description *
****************************************************************
* RECOMMENDATION: *
* upgrade the database server to V10.1 Fix Pack 4 *
**************************************************************** |
| Local Fix: |
enable this registry setting :
db2set DB2_EXTENDED_OPTIMIZATION="ON,COMPLETE_GB,TQPERF 30" |
| available fix packs: |
DB2 Version 10.1 Fix Pack 4 for Linux, UNIX, and Windows
DB2 Version 10.1 Fix Pack 6 for Linux, UNIX, and Windows
|
| Solution |
This problem has first been fixed in V10.1 Fix Pack 4 |
| Workaround |
not known / see Local fix |
| Timestamps |
Date - problem reported :
Date - problem closed :
Date - last modified :
| 04.09.2013
26.06.2014
26.06.2014 |
| Problem solved at the following versions (IBM BugInfos) |
|
| Problem solved according to the fixlist(s) of the following version(s) |
| 10.1.0.4
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