[postgis-tickets] [PostGIS] #2802: [raster] ST_MapAlgebra checks callbacks parameters but not return type

[PostGIS]

#2802: [raster] ST_MapAlgebra checks callbacks parameters but not return type
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  Reporter:  strk         |       Owner:  dustymugs    
      Type:  enhancement  |      Status:  closed       
  Priority:  medium       |   Milestone:  PostGIS 2.1.4
 Component:  raster       |     Version:  2.1.x        
Resolution:  fixed        |    Keywords:  history      
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Comment(by strk):

 Great, thanks!

 nitpicking:
 the error printed on returning a SET still says you need to return a
 "double precision", while if you return a "text" (for example) the error
 tells you that also int,smallint and float4 are accepted.

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Ticket URL: <http://trac.osgeo.org/postgis/ticket/2802#comment:6>
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