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Problem IT11563
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Status: Closed |
Compiling a query that has "distinct" keyword in intra_partition parallelism mode can result in SQL901N error |
| product: |
DB2 FOR LUW / DB2FORLUW / A50 - DB2 |
| Problem description: |
Compiling a query that has "distinct" keyword in intra_partition
parallelism mode can result in the following SQL901N error:
SQL0901N The SQL statement or command failed because of a
database system
error. (Reason "Order cols removed from sort output cols.".)
SQLSTATE=58004
The stack includes the following functions
sqlnn_erds
sqlno_post_order_near_normalize
sqlno_post_order_near_normalize
sqlno_smp_test_create_part_from_key_order
sqlno_smp_check_plan
sqlnoSmpPlanPass |
| Problem Summary: |
****************************************************************
* USERS AFFECTED: *
* intra_partition parallelism *
****************************************************************
* PROBLEM DESCRIPTION: *
* See Error Description *
****************************************************************
* RECOMMENDATION: *
* Upgrade to DB2 Version 10.5 Fix Pack 7 *
**************************************************************** |
| Local Fix: |
There are two alternatives:
- Turn off intra_partition parallelism for the entire instance:
db2 update dbm cfg using INTRA_PARALLEL NO and restart the
instance.
- Turn off intra_partition parallelism only for the query by
setting CURRENT QUERY DEGREE to 1. |
| Solution |
First fixed in DB2 Version 10.5 Fix Pack 7 |
| Workaround |
not known / see Local fix |
| Timestamps |
Date - problem reported :
Date - problem closed :
Date - last modified :
| 03.10.2015
19.01.2016
19.01.2016 |
| Problem solved at the following versions (IBM BugInfos) |
|
| Problem solved according to the fixlist(s) of the following version(s) |
| 10.5.0.7
|
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