[postgis-devel] [PostGIS] #2024: raster: ST_Union is buggy

[PostGIS]

#2024: raster: ST_Union is buggy
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  Reporter:  robe     |       Owner:  dustymugs    
      Type:  defect   |      Status:  closed       
  Priority:  blocker  |   Milestone:  PostGIS 2.1.0
 Component:  raster   |     Version:  trunk        
Resolution:  fixed    |    Keywords:               
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Comment(by pracine):

 I think you should test with images bigger than the one you used in your
 blog (i.e. a SRTM tile?). Note also that the size of the tiles affect the
 performance. The same image tiled smaller should take longer to be
 unioned. And the most important is: Is the time required still progress as
 the square of the number of pixel involved? If yes then you should soon
 reach astronomic times as the size of your image grow.

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Ticket URL: <http://trac.osgeo.org/postgis/ticket/2024#comment:21>
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