id summary reporter owner description type status priority milestone component version resolution keywords cc 765 Topology: error adding two edge with a common node aperi2007 strk "Hi, try-ing to add two node with a common edge I'm having an error. In effect I'm not 100% sure this is a bug of topology or a bug of my sql code :) This is the code I try. --- DROP TABLE IF EXISTS CARICAMENTO.TEST; CREATE TABLE CARICAMENTO.TEST(ID INTEGER PRIMARY KEY, CODICE TEXT); SELECT topology.DropTopology('schema_topo'); SELECT topology.CreateTopology('schema_topo',3003, 0.00005); SELECT topology.AddTopoGeometryColumn('schema_topo', 'caricamento', 'test', 'topo_line', 'LINE'); -- -- insert all edges -- select topology.ST_AddIsoEdge( 'schema_topo', topology.ST_AddIsoNode('schema_topo',NULL,ST_GeomFromEWKT('SRID=3003;POINT(1 4)')), topology.ST_AddIsoNode('schema_topo',NULL,ST_GeomFromEWKT('SRID=3003;POINT(2 2)')), ST_GeomFromEWKT('SRID=3003;LINESTRING(1 4, 2 2)') ); select topology.ST_AddIsoEdge( 'schema_topo', topology.ST_AddIsoNode('schema_topo',NULL,ST_GeomFromEWKT('SRID=3003;POINT(2 2)')), topology.ST_AddIsoNode('schema_topo',NULL,ST_GeomFromEWKT('SRID=3003;POINT(4 4)')), ST_GeomFromEWKT('SRID=3003;LINESTRING(2 2, 4 4)') ); ---- And this is the error I see ERROR: SQL/MM Spatial exception - coincident node " defect closed medium PostGIS 2.0.0 topology master wontfix