[postgis-tickets] [PostGIS] #4684: concurrent topology construction routine may result in invalid topology

PostGIS trac at osgeo.org
Mon Jan 11 02:56:32 PST 2021


#4684: concurrent topology construction routine may result in invalid topology
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  Reporter:  laopsahl  |      Owner:  strk
      Type:  defect    |     Status:  new
  Priority:  medium    |  Milestone:  PostGIS 3.0.4
 Component:  topology  |    Version:  3.0.x
Resolution:            |   Keywords:
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Comment (by strk):

 If we go the "locking area" approach, the problem of figuring how the
 extent of the area to be locked remains, as such area would be affected by
 existing primitives in the topology (ie: adding a small edge closing the
 last gap in a large ring)

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/4684#comment:21>
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