[postgis-tickets] [PostGIS] #2249: [raster] Implement ST_MakeEmptyCoverage

[PostGIS]

#2249: [raster] Implement ST_MakeEmptyCoverage
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 Reporter:  dzwarg       |       Owner:  dzwarg       
     Type:  enhancement  |      Status:  assigned     
 Priority:  medium       |   Milestone:  PostGIS 2.2.0
Component:  raster       |     Version:  trunk        
 Keywords:  raster       |  
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Comment(by strk):

 This is needed for ST_CreateOverviews (#2247)

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Ticket URL: <http://trac.osgeo.org/postgis/ticket/2249#comment:4>
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