[postgis-tickets] [PostGIS] #2422: geography regression difference

PostGIS trac at osgeo.org
Sun Aug 11 17:50:22 PDT 2013


#2422: geography regression difference
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 Reporter:  robe     |       Owner:  pramsey      
     Type:  defect   |      Status:  new          
 Priority:  high     |   Milestone:  PostGIS 2.1.0
Component:  postgis  |     Version:  2.1.x        
 Keywords:           |  
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Comment(by pramsey):

 It might be hard to find the exact differences because this is going to be
 a difference between the tree distance and the edge distance algorithms,
 and the tree distance gets turned on as caching goes active. Replace
 testing ST_Dwithin with testing for differences between
 _ST_DistanceUnCached and _ST_DistanceTree to avoid cache effects.

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Ticket URL: <http://trac.osgeo.org/postgis/ticket/2422#comment:2>
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