[PostGIS] #5862: TopoGeo_addLinestring silently corrupts topology: edge crosses edge, mixed face labeling in ring

[PostGIS]

#5862: TopoGeo_addLinestring silently corrupts topology: edge crosses edge, mixed
face labeling in ring
--------------------------------+------------------------
  Reporter:  Lars Aksel Opsahl  |      Owner:  strk
      Type:  defect             |     Status:  new
  Priority:  high               |  Milestone:
 Component:  topology           |    Version:  master
Resolution:                     |   Keywords:  robustness
--------------------------------+------------------------
Comment (by strk):

 In this further simplification we only add a single point to corrupt
 topology.

 {{{
 SELECT NULL FROM topology.DropTopology('t5862');
 SELECT NULL FROM topology.CreateTopology('t5862');
 SELECT NULL FROM topology.TopoGeo_addLinestring('t5862',
 'LINESTRING(
 22.780107846871616 70.70515928614921,
 22.779899976871615 70.7046262461492
 )');
 SELECT NULL FROM topology.TopoGeo_addLinestring('t5862',
 'LINESTRING(
 22.79217056687162 70.70247684614921,
 22.779969266871618 70.70480392614921,
 22.780038556871617 70.7049816061492,
 22.796764346871615 70.7044482361492
 )');

 SELECT * FROM validatetopology('t5862');

 BEGIN;
 SELECT topology.TopoGeo_addPoint('t5862',
 'POINT(
 22.780038556871617 70.7049816061492
 )');
 SELECT * FROM validatetopology('t5862');
 }}}
-- 
Ticket URL: <https://trac.osgeo.org/postgis/ticket/5862#comment:8>
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