DB2 - Problem description
| Problem IC72437 | Status: Closed |
EXPRESSIONS USING COALESCE OR VALUE IN A SELECT CLAUSE WITH GROUP BY MAY CAUSE SQL0901N | |
| product: | |
DB2 FOR LUW / DB2FORLUW / 970 - DB2 | |
| Problem description: | |
When there is an expression in the form of
COALESCE(<expr1>, <literal>)
in a SELECT clause and the correspondent GROUP BY clause
contains only the expression <expr1>,
in an database partition feature (DPF) environment, such a SQL
statement may experience an non-severe system error SQL0901N
with the following log in db2diag.log file.
FUNCTION: DB2 UDB, table Q services, sqlkt_pack_tuple, probe:30
MESSAGE : DIA0001E An internal error occurred. Report the
following error code
: "Line=02428, rc1=0x82170001, rc2=0x00000000, rc3=0,
msg=cold=NULLABLE zvalue=NONULLS col(9)".
Note that VALUE is a synonym of COALESCE. | |
| Problem Summary: | |
**************************************************************** * USERS AFFECTED: * * The users in an database partition feature (DPF) environment * * running a query with expressions using COALESCE or VALUE in * * a SELECT clause * * with GROUP BY. * **************************************************************** * PROBLEM DESCRIPTION: * * same as "Error Description" * **************************************************************** * RECOMMENDATION: * * Upgrade to Version 9.7 Fix Pack 4 * **************************************************************** | |
| Local Fix: | |
Change the SQL statement to have the GROUP BY clause the same expression as in the SELECT clause. | |
| available fix packs: | |
DB2 Version 9.7 Fix Pack 4 for Linux, UNIX, and Windows | |
| Solution | |
Problem was first fixed in Version 9.7 Fix Pack 4 | |
| Workaround | |
refer to "Local Fix" | |
| Timestamps | |
Date - problem reported : Date - problem closed : Date - last modified : | 06.11.2010 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 |
|