[postgis-tickets] [PostGIS] #5119: Allow COPY to topology edge view

[PostGIS]

#5119: Allow COPY to topology edge view
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  Reporter:  strk         |      Owner:  strk
      Type:  enhancement  |     Status:  new
  Priority:  medium       |  Milestone:  PostGIS 3.4.0
 Component:  topology     |    Version:  master
Resolution:               |   Keywords:  usability
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Comment (by strk):

 You got me curious about directionality of right/left face information.
 What information would they be adding ? Winding of the ring ?

 I've also been thinking about adding more fields, kind of caches, to speed
 things up. For example to quickly find the EXTERIOR ring of a face (maybe
 same thing you're trying to do with a winding info?).

 The view only buys us compatibility with the standard, yes.

 Capability to store spikes is already supported by the standard, or at
 least I haven't found a clear proof of them being invalid. A Spike is an
 edge partecipating in a ring twice (once forward, once backward). See
 GetRingEdges.
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5119#comment:6>
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