DB2 - Problem description
| Problem IC67931 | Status: Closed |
REPLACE('aaa','a','') DOES NOT RETURN NULL IN VARCHAR2 COMPATIBILITY MODE | |
| product: | |
DB2 FOR LUW / DB2FORLUW / 970 - DB2 | |
| Problem description: | |
In VARCHAR2 compatibility mode, the SYSIBM.REPLACE built-in
function returns an empty string instead of the expected NULL
value. For example:
db2 "VALUES REPLACE('aaa','a','')"
1
---
1 record(s) selected. | |
| Problem Summary: | |
****************************************************************
* USERS AFFECTED: *
* Varchar2 compatibility mode *
****************************************************************
* PROBLEM DESCRIPTION: *
* In VARCHAR2 compatibility mode, the SYSIBM.REPLACE *
* built-infunction returns an empty string instead of the *
* expectedNULLvalue. For example:db2 "VALUES *
* REPLACE('aaa','a','')"1---1 record(s) selected. *
****************************************************************
* RECOMMENDATION: *
* Upgrade to Version 9.7 FixPack 2. *
**************************************************************** | |
| Local Fix: | |
Use the TRANSLATE function instead of REPLACE: REPLACE(A,B,'') -> TRANSLATE(A,'',B). | |
| available fix packs: | |
DB2 Version 9.7 Fix Pack 2 for Linux, UNIX, and Windows | |
| Solution | |
Problem was first fixed in DB2 UDB Version 9.7 FixPack 2. | |
| Workaround | |
not known / see Local fix | |
| BUG-Tracking | |
forerunner : APAR is sysrouted TO one or more of the following: IC68058 follow-up : | |
| Timestamps | |
Date - problem reported : Date - problem closed : Date - last modified : | 15.04.2010 25.05.2010 25.05.2010 |
| Problem solved at the following versions (IBM BugInfos) | |
9.7.FP2 | |
| Problem solved according to the fixlist(s) of the following version(s) | |
| 9.7.0.2 |
|