[postgis-tickets] [PostGIS] #3011: ST_EstimatedExtent return a incorrect extent value

PostGIS trac at osgeo.org
Thu Jan 8 09:02:19 PST 2015


#3011: ST_EstimatedExtent return a incorrect extent value
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 Reporter:  rockyc              |       Owner:  pramsey
     Type:  defect              |      Status:  new    
 Priority:  medium              |   Milestone:         
Component:  postgis             |     Version:  2.1.x  
 Keywords:  ST_EstimatedExtent  |  
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Comment(by pramsey):

 As the name indicates, the function is an estimate, generated by taking a
 sample. It's not necessarily going to be deterministic as you add and
 change records. How much does the estimate differ from the actual
 ST_Extent?

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Ticket URL: <http://trac.osgeo.org/postgis/ticket/3011#comment:1>
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