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Problem IT35891
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Status: Closed |
WRONG RESULT MIGHT BE RETURNED WHEN SUBSTR WITH IF ELSE CLAUSES WAS USED AND THE COLUMN WAS CREATED IN CODEUNIT32
|
| product: |
DB2 FOR LUW / DB2FORLUW / B50 - DB2 |
| Problem description: |
Wrong result might be returned if substr with IF ELSE clauses
was used . The column also need to be created in Codeunit32
create table t1(lob char(3 codeunits32)) organize by column
insert into t1 values(' 6');
select case when SUBSTR(lob,3,1)='6'
then 'A' else 'B' end
from t1. |
| Problem Summary: |
****************************************************************
* USERS AFFECTED: *
* all *
****************************************************************
* PROBLEM DESCRIPTION: *
* See Error Description *
****************************************************************
* RECOMMENDATION: *
* Upgrade to 11.5.6 or later *
**************************************************************** |
| Local Fix: |
SUBSTRING could be used to return the correct result;
https://www.ibm.com/support/knowledgecenter/en/SSEPGG_11.5.0/com
.ibm.db2.luw.sql.ref.doc/doc/r0023196.html
select case when SUBSTRING(lob,CASE WHEN LOB IS NULL THEN NULL
ELSE 3 END,1)='6' then 'RV' else 'AU' end from t1 |
| Solution |
|
| Workaround |
****************************************************************
* USERS AFFECTED: *
* all *
****************************************************************
* PROBLEM DESCRIPTION: *
* See Error Description *
****************************************************************
* RECOMMENDATION: *
* Upgrade to 11.5.6 or later *
**************************************************************** |
| Comment |
Upgrade to 11.5.6 or later |
| Timestamps |
Date - problem reported :
Date - problem closed :
Date - last modified :
| 12.02.2021
21.06.2021
23.06.2021 |
| Problem solved at the following versions (IBM BugInfos) |
|
| Problem solved according to the fixlist(s) of the following version(s) |
