[postgis-tickets] [PostGIS] #2898: Define a guideline for function cost

[PostGIS]

#2898: Define a guideline for function cost
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 Reporter:  strk         |       Owner:  pramsey      
     Type:  enhancement  |      Status:  new          
 Priority:  medium       |   Milestone:  PostGIS 2.2.0
Component:  postgis      |     Version:  trunk        
 Keywords:               |  
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Comment(by dustymugs):

 The numbers you're seeing generally match what I've seen  with in-db
 rasters on production servers. For basic ops, the detoast is the
 costliest.

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Ticket URL: <http://trac.osgeo.org/postgis/ticket/2898#comment:6>
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