|
Problem IC74213
|
Status: Closed |
DB2 ALLOWS USERS TO ALTER DATA TYPE OF THE DISTRIBUTION KEY COLUMN IN DPF ENVIRONMENT |
| product: |
DB2 FOR LUW / DB2FORLUW / 970 - DB2 |
| Problem description: |
In DPF environment, changing data type of the distribution key
column may cause the distribution hash value changing and
hence DB2 returns wrong results.
The following is an example:
1. db2 connect to sample
2. db2 "create table test (col1 bigint) "
3. db2 "insert into test values (1234567890)"
4. db2 "alter table test alter col1 set data type double"
5. db2 "select * from test"
COL1
------------------------
+1.23456789000000E+009
1 record(s) selected.
6. db2 "select * from test where col1 = 1234567890"
COL1
------------------------
0 record(s) selected |
| Problem Summary: |
****************************************************************
* USERS AFFECTED: *
* ALL *
****************************************************************
* PROBLEM DESCRIPTION: *
* See Problem Description above. *
****************************************************************
* RECOMMENDATION: *
* Upgrade to DB2 Version 9.7 Fix Pack 4. *
**************************************************************** |
| Local Fix: |
|
| available fix packs: |
DB2 Version 9.7 Fix Pack 4 for Linux, UNIX, and Windows
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 4. |
| Workaround |
not known / see Local fix |
| Timestamps |
Date - problem reported :
Date - problem closed :
Date - last modified :
| 30.01.2011
02.05.2011
02.05.2011 |
| Problem solved at the following versions (IBM BugInfos) |
9.7.FP4
|
| Problem solved according to the fixlist(s) of the following version(s) |
| 9.7.0.4
|
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