DB2 - Problem description
Problem IC61794 | Status: Closed |
ST_PERPPOINTS RETURNS INCORRECT VALUES | |
product: | |
DB2 FOR LUW / DB2FORLUW / 970 - DB2 | |
Problem description: | |
When using the ST_PerpPoints spatial function on an ST_MultiLinestring geometry that contains multiple line segments, sometimes the values returned are incorrect. The following is an example of a query that returns an incorrect result: values( db2gse.ST_AsText ( db2gse.ST_PerpPoints ( db2gse.ST_MultiLineString('MULTILINESTRING ( (-94 37.8, -93 37.8), (-94 37.7, -94 37.3) )',1), db2gse.ST_Point('POINT (-94.5 37.5)',1) ) ) ) Returns: MULTIPOINT (-94.248676 37.330745) The correct result is: MULTIPOINT (-94.000000 37.500000) | |
Problem Summary: | |
**************************************************************** * USERS AFFECTED: * * All Spatial Extender users * **************************************************************** * PROBLEM DESCRIPTION: * * When using the ST_PerpPoints spatial function on an * * ST_MultiLinestring geometry that contains multiple line * * * * segments, * * sometimes the values returned are incorrect. * * * * The following is an example of a query that returns an * * incorrectresult: * * * * values( * * db2gse.ST_AsText ( * * db2gse.ST_PerpPoints ( * * db2gse.ST_MultiLineString('MULTILINESTRING ( * * (-94 37.8, -93 * * 37.8), (-94 37.7, -94 * * 37.3) )',1), * * db2gse.ST_Point('POINT (-94.5 37.5)',1) * * * * ) * * ) * * ) * * * * Returns: * * MULTIPOINT (-94.248676 37.330745) * * * * The correct result is: * * MULTIPOINT (-94.000000 37.500000) * **************************************************************** * RECOMMENDATION: * * Apply V9.7 FP1 * **************************************************************** | |
Local Fix: | |
available fix packs: | |
DB2 Version 9.7 Fix Pack 1 for Linux, UNIX, and Windows | |
Solution | |
Apply V9.7 FP1 | |
Workaround | |
not known / see Local fix | |
Timestamps | |
Date - problem reported : Date - problem closed : Date - last modified : | 29.06.2009 07.10.2009 07.10.2009 |
Problem solved at the following versions (IBM BugInfos) | |
9.7.FP1 | |
Problem solved according to the fixlist(s) of the following version(s) | |
9.7.0.1 |