[postgis-tickets] [PostGIS] #2822: Slow _add_raster_constraint_extent

PostGIS trac at osgeo.org
Tue Jul 8 10:14:21 PDT 2014


#2822: Slow _add_raster_constraint_extent
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  Reporter:  strk    |       Owner:  dustymugs    
      Type:  defect  |      Status:  closed       
  Priority:  medium  |   Milestone:  PostGIS 2.2.0
 Component:  raster  |     Version:  trunk        
Resolution:  fixed   |    Keywords:  history      
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Comment(by strk):

 I just noticed that ST_Envelope(rast) is an sql-implemented function
 calling ST_Envelope(ST_ConvexHull(rast)).
 No wonder it is slow ...

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Ticket URL: <http://trac.osgeo.org/postgis/ticket/2822#comment:9>
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