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

PostGIS trac at osgeo.org
Wed Oct 3 06:29:43 PDT 2012

#2024: raster: ST_Union is buggy
 Reporter:  robe     |       Owner:  dustymugs    
     Type:  defect   |      Status:  new          
 Priority:  blocker  |   Milestone:  PostGIS 2.1.0
Component:  raster   |     Version:  trunk        
 Keywords:           |  

Comment(by dustymugs):

 Replying to [comment:11 robe]:
 > I don't mind if we remove it.  I never liked the fact we had it anyway
 since always thought it was misleading and would make people think it
 unions all bands

 I'm planning on adding back ST_Union(raster) later today.  I'm not a fan
 of it either but I know I'd use it when I'm lazy.  And yes, it would union
 all bands (and create bands as it goes).

 All these aggregate variants require tweaks to the underlying code due to
 changed assumptions...

Ticket URL: <http://trac.osgeo.org/postgis/ticket/2024#comment:14>
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