[postgis-tickets] [PostGIS] #2634: regression failure ST_DWithin between 2.0.4 and 2.1.2

[PostGIS]

#2634: regression failure ST_DWithin between 2.0.4 and 2.1.2
---------------------+------------------------------------------------------
 Reporter:  robe     |       Owner:  pramsey      
     Type:  defect   |      Status:  new          
 Priority:  medium   |   Milestone:  PostGIS 2.1.2
Component:  postgis  |     Version:  2.1.x        
 Keywords:           |  
---------------------+------------------------------------------------------
 This is unwatered down fresh from garden bot.  I'll try to water it down
 to something we can throw in our tests:

 This is running on:


 {{{
 POSTGIS="2.1.2dev r12220" GEOS="3.4.2-CAPI-1.8.2 r0" PROJ="Rel. 4.8.0, 6
 March 2012" GDAL="GDAL 1.10.0, released 2013/04/24" LIBXML="2.7.8"
 LIBJSON="UNKNOWN" RASTER
 }}}


 {{{
 SELECT ST_DWithin(geography(foo1.the_geom), geography(foo2.the_geom), 100,
 false) As result,
    ST_Distance(geography(foo1.the_geom), geography(foo2.the_geom)),
 _ST_DistanceUncached(geography(foo1.the_geom), geography(foo2.the_geom) )
 FROM ((SELECT ST_Collect(ST_SetSRID(ST_MakePoint(i,j,k),4326)) As the_geom
 FROM generate_series(-10,50,20) As i CROSS JOIN generate_series(40,70, 25)
 j CROSS JOIN generate_series(1,3) k )) As foo1
   CROSS JOIN ((SELECT ST_Buffer(ST_SetSRID(ST_Point(i,j),4326), j*0.05) As
 the_geom FROM (SELECT a*1.11111111 FROM generate_series(-10,50,10) As a)
 As i(i) CROSS JOIN generate_series(40,70, 20) As j ORDER BY i, i*j, j)) As
 foo2 LIMIT 2;

  result |   st_distance    | _st_distanceuncached
 --------+------------------+----------------------
  f      | 229423.805745173 |     229423.805745173
  f      |  75661.624157771 |                    0
 }}}

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Ticket URL: <http://trac.osgeo.org/postgis/ticket/2634>
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