[postgis-devel] [PostGIS] #1789: ST_CreateTopoGeo creates an invalid topology (was: ST_CreateTopoGeo, toTopoGeom: ERROR: Invalid edge (no two distinct vertices exist))

[PostGIS]

#1789: ST_CreateTopoGeo creates an invalid topology
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 Reporter:  strk      |       Owner:  strk         
     Type:  defect    |      Status:  new          
 Priority:  medium    |   Milestone:  PostGIS 2.0.1
Component:  topology  |     Version:  2.0.x        
 Keywords:            |  
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Comment(by strk):

 Alright so with #1791 closed ST_CreateTopoGeo succeeds at creating the
 topology.
 BUT:
  1. Bad news: the topology is invalid
  1. Good news: ValidateTopology correctly detects the invalidity

 This is with the very first input in comment 6

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Ticket URL: <http://trac.osgeo.org/postgis/ticket/1789#comment:11>
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