APAR status
Closed as program error.
Error description
When you have defined a view by a union all select on two tables you may achieve wrong results when IFX_FOLDVIEW ist enabled. The query this has been observed with is of the form select t1.c2[1,2], t2.c2[1,2], * from tab2 t2, tab1 t1, v1 v1 where t1.c1 = v1.c1 and t2.c2[1,2] = t1.c2[1,2]; where t1 and t2 are tables and v1 is the view. The column c2 is of type character(x) (with x > 2).
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: * * Users of 12.10.xC4 and 12.10.xC5. * **************************************************************** * PROBLEM DESCRIPTION: * * A query may return incorrect results under the following * * conditions: * * - a simple UNION ALL view is referenced * * - IFX_FOLDVIEW is set to 1 in onconfig * * - the main query has in its where clause subscripted * * column references, e.g. tab1.c1[1,2] = tab2.c2[1,2] * * - the subscripted column reference does not need to be * * view column references * **************************************************************** * RECOMMENDATION: * * Update to IBM Informix Server 12.10.xC6 * ****************************************************************
Problem conclusion
Problem Fixed In IBM Informix Server 12.10.xC6
Temporary fix
Comments
APAR Information
APAR number
IT10925
Reported component name
INFORMIX SERVER
Reported component ID
5725A3900
Reported release
C10
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2015-08-26
Closed date
2016-01-19
Last modified date
2016-01-19
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
INFORMIX SERVER
Fixed component ID
5725A3900
Applicable component levels
RC10 PSN
UP
[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSGU8G","label":"Informix Servers"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"C10","Edition":"","Line of Business":{"code":"LOB10","label":"Data and AI"}}]
Document Information
Modified date:
19 January 2016