[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
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 Reporter:  robe     |       Owner:  pramsey      
     Type:  defect   |      Status:  new          
 Priority:  medium   |   Milestone:  PostGIS 2.1.2
Component:  postgis  |     Version:  2.1.x        
 Keywords:           |  
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Comment(by robe):

 pramsey what does this return for you?


 {{{
 with geogp(gid, geog) AS (VALUES (1, 'POINT(-11.1111111 40)'::geography),
 (1, 'POINT(-11.1111111 40)'::geography))
  , geoglm (gid, geog) AS (VALUES
       (3, 'LINESTRING M (-10 50 1,50 -10 1)'::geography),
      (4, 'LINESTRING M (-10 50 2,50 -10 2)'::geography) )
 SELECT geogp.gid As p_gid, geoglm.gid As lm_gid,  ST_Distance(geogp.geog,
 geoglm.geog,false) As dist
  , _ST_DistanceUncached(geogp.geog, geoglm.geog, false) As distunc
  FROM geogp CROSS JOIN geoglm ;

  p_gid | lm_gid |       dist       |     distunc
 -------+--------+------------------+-----------------
      1 |      3 |  1010519.2194355 | 1010519.2194355
      1 |      4 | 1011346.61455376 | 1010519.2194355
      1 |      3 | 1011346.61455376 | 1010519.2194355
      1 |      4 | 1011346.61455376 | 1010519.2194355
 (4 rows)
 }}}

 This one only seems to be an issue if false is passed in for use_sphere

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Ticket URL: <http://trac.osgeo.org/postgis/ticket/2634#comment:5>
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