[postgis-devel] [PostGIS] #1828: Estimate returned by geography_gist_selectivity results in slow query plan for ST_DWithin

PostGIS trac at osgeo.org
Tue Jul 3 11:58:46 PDT 2012


#1828: Estimate returned by geography_gist_selectivity results in slow query plan
for ST_DWithin
---------------------------+------------------------------------------------
 Reporter:  realityexists  |       Owner:  mcayland     
     Type:  defect         |      Status:  new          
 Priority:  medium         |   Milestone:  PostGIS 2.0.2
Component:  postgis        |     Version:  2.0.x        
 Keywords:                 |  
---------------------------+------------------------------------------------

Comment(by pramsey):

 I don't think this problem is exclusively about geography, the same code
 can be found in the geometry estimate section, and there was a
 demonstration higher in the ticket that it affects geometry too.

-- 
Ticket URL: <http://trac.osgeo.org/postgis/ticket/1828#comment:43>
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