|
Problem IC67266
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Status: Closed |
PREDICATE OF THE FORM "<CONCAT EXPRESSION> = G'CONSTANT'" RESULTS IN WRONG DATA RETURNED FROM QUERY |
| product: |
DB2 FOR LUW / DB2FORLUW / 910 - DB2 |
| Problem description: |
A query containing a predicate of the form "<CONCAT expression>
= G'constant'" may return wrong results. The CONCAT expression
must be a concatenation of one or more GRAPHIC columns or
GRAPHIC constants and the result size of each side of the
predicate must be the same. Here are some examples of
problematic queries:
CREATE TABLE T1 ( G1 GRAPHIC(4), G2 GRAPHIC(3)) );
SELECT * FROM T1 WHERE ( G1|| G2 ) = G'ABCDXYZ';
SELECT * FROM T1 WHERE G'ABCDXYZ' = ( G'ABCD' || G2 ) |
| Problem Summary: |
****************************************************************
* USERS AFFECTED: *
* ALL *
****************************************************************
* PROBLEM DESCRIPTION: *
* A query containing a predicate of the form "<CONCAT *
* expression> = G'constant'" may return wrong results. The *
* CONCAT expression must be a concatenation of one or more *
* GRAPHIC columns or GRAPHIC constants and the result size of *
* each side of the predicate must be the same. Here are some *
* examples of problematic queries: *
* *
* CREATE TABLE T1 ( G1 GRAPHIC(4), G2 GRAPHIC(3)) ); *
* *
* SELECT * FROM T1 WHERE ( G1|| G2 ) = G'ABCDXYZ'; *
* *
* SELECT * FROM T1 WHERE G'ABCDXYZ' = ( G'ABCD' || G2 ) *
****************************************************************
* RECOMMENDATION: *
* Upgrade to DB2 Version Fix Pack 10 *
**************************************************************** |
| Local Fix: |
Add one or more trailing spaces to the GRAPHIC constant side of
the predicate:
SELECT * FROM T1 WHERE ( G1 || G2 ) = G'ABCDXYZ ';
SELECT * FROM T1 WHERE G'ABCDXYZ ' = ( G'ABCD' || G2 ) |
| available fix packs: |
DB2 Version 9.1 Fix Pack 10 for Linux, UNIX and Windows
DB2 Version 9.1 Fix Pack 11 for Linux, UNIX and Windows
DB2 Version 9.1 Fix Pack 12 for Linux, UNIX and Windows
|
| Solution |
First Fixed in DB2 Version Fix Pack 10 |
| Workaround |
N/A |
| Comment |
N/A |
| BUG-Tracking |
forerunner : APAR is sysrouted TO one or more of the following: IC70399
follow-up : |
| Timestamps |
Date - problem reported :
Date - problem closed :
Date - last modified :
| 17.03.2010
16.06.2011
16.06.2011 |
| Problem solved at the following versions (IBM BugInfos) |
|
| Problem solved according to the fixlist(s) of the following version(s) |
| 9.1.0.10
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