[PostGIS] #5754: ST_ForcePolygonCCW unexpectedly modifies line geometries

PostGIS trac at osgeo.org
Tue Oct 14 18:58:56 PDT 2025


#5754: ST_ForcePolygonCCW unexpectedly modifies line geometries
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  Reporter:  nti      |      Owner:  pramsey
      Type:  defect   |     Status:  new
  Priority:  high     |  Milestone:  PostGIS 3.4.5
 Component:  postgis  |    Version:  3.4.x
Resolution:           |   Keywords:
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Comment (by robe):

 > Unfortunately it seems there's no way to fix this without changing the
 SQL definition for ST_ForcePolygonCCW which makes a patch-level fix a "no
 go", so this will have to be for the 3.7 milestone.

 As long as the SQL definition doesn't change the front facing API to user.
 I think it's fine to change it in a patch-level.

 We do sql changes to functions all the time in patch releases at the very
 least in the name of security.
-- 
Ticket URL: <https://trac.osgeo.org/postgis/ticket/5754#comment:4>
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