DB2 - Problem description
Problem IC68058 | Status: Closed |
REPLACE('aaa','a','') DOES NOT RETURN NULL IN VARCHAR2 COMPATIBILITY MODE | |
product: | |
DB2 FOR LUW / DB2FORLUW / 980 - 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-in * * * * function returns an empty string instead of the expected * * NULL * * value. For example: * * * * * * * * db2 "VALUES REPLACE('aaa','a','')" * * * * * * * * 1 * * * * --- * * * * * * * * * * * * 1 record(s) selected. * **************************************************************** * RECOMMENDATION: * * Upgrade to Version 9.8 FixPack 3. * **************************************************************** | |
Local Fix: | |
Use the TRANSLATE function instead of REPLACE: REPLACE(A,B,'') -> TRANSLATE(A,'',B). | |
available fix packs: | |
DB2 Version 9.8 Fix Pack 3 for Linux, UNIX, and Windows | |
Solution | |
Problem was first fixed in DB2 UDB Version 9.8 FixPack 2. | |
Workaround | |
not known / see Local fix | |
Timestamps | |
Date - problem reported : Date - problem closed : Date - last modified : | 20.04.2010 10.01.2011 10.01.2011 |
Problem solved at the following versions (IBM BugInfos) | |
9.8.FP2, 9.8.FP3 | |
Problem solved according to the fixlist(s) of the following version(s) | |
9.8.0.3 |