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Problem IC87539
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Status: Closed |
Bad performace when using Sybase nickname with BIGINT column predicates |
| product: |
DB2 FOR LUW / DB2FORLUW / A10 - DB2 |
| Problem description: |
The logical and mathematical expression with BIGINT can't be
pushed down by Sybase wrapper.
E.g. Here testnick is Sybase nickname, c1 is BIGINT type:
update testnick set c2='aa' where c1=1003898714 |
| Problem Summary: |
****************************************************************
* USERS AFFECTED: *
* Before DB2 V101 fix pack 3 *
****************************************************************
* PROBLEM DESCRIPTION: *
* Running on Sybase wrapper with BIGINT mathematical *
* expression causes a bad performance issue. *
****************************************************************
* RECOMMENDATION: *
* Upgrade to DB2 V101 fix pack 3. *
**************************************************************** |
| Local Fix: |
alter nickname <your_nickname> alter column <bigint_column>
local type DECIMAL(19, 0) |
| 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 |
The logical and mathematical expression with BIGINT can't be
pushed down by Sybase wrapper.
E.g. Here testnick is Sybase nickname, c1 is BIGINT type:
update testnick set c2='aa' where c1=1003898714 |
| Workaround |
not known / see Local fix |
| Timestamps |
Date - problem reported :
Date - problem closed :
Date - last modified :
| 26.10.2012
11.04.2013
11.04.2013 |
| Problem solved at the following versions (IBM BugInfos) |
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| 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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