[postgis-tickets] [PostGIS] #3065: Spatial index on LINESTRING not used under some circumstances

[PostGIS]

#3065: Spatial index on LINESTRING not used under some circumstances
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 Reporter:  realityexists  |       Owner:  pramsey      
     Type:  defect         |      Status:  new          
 Priority:  medium         |   Milestone:  PostGIS 2.1.6
Component:  postgis        |     Version:  2.1.x        
 Keywords:                 |  
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Comment(by realityexists):

 Hmm, OK, but why is the index used without the UPDATE statement? It would
 make some sense if the UPDATE caused the stats to be calculated, which
 then caused the index to be used - but in fact the opposite happens.

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Ticket URL: <http://trac.osgeo.org/postgis/ticket/3065#comment:24>
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