[PostGIS] #5667: Performance Postgis Topology when adding million lines by using TopoGeo_AddLineString

[PostGIS]

#5667: Performance Postgis Topology when adding million lines by using
TopoGeo_AddLineString
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  Reporter:  Lars Aksel Opsahl  |      Owner:  strk
      Type:  enhancement        |     Status:  new
  Priority:  medium             |  Milestone:
 Component:  topology           |    Version:  3.4.x
Resolution:                     |   Keywords:  performance
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Comment (by strk):

 For the sake of this ticket a version of the function taking ONLY lines
 (multilinestring, for example) would be preferred, to further get
 performance improvement opportunities.

 What I'm not fully happy with is the API as the `TopoGeo_addXXX` family of
 functions all return the identifiers of the primitives added by the
 function while we mentioned we might save on that cost when adding million
 of lines...
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5667#comment:22>
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