[postgis-tickets] [PostGIS] #3864: Sorting by geometry is slower than sorting by geohash

PostGIS trac at osgeo.org
Sun Oct 1 05:07:51 PDT 2017


#3864: Sorting by geometry is slower than sorting by geohash
----------------------+---------------------------
  Reporter:  komzpa   |      Owner:  pramsey
      Type:  defect   |     Status:  new
  Priority:  medium   |  Milestone:  PostGIS 2.4.1
 Component:  postgis  |    Version:  2.3.x
Resolution:           |   Keywords:
----------------------+---------------------------

Comment (by komzpa):

 Thanks, memory issue went away. Do the backport.

 As per speed, on pre-warmed table it becomes even slower now:

 {{{
 [local] gis at gis=# create table juno_osm_point_pt2 as (select * from
 juno_osm_point_unclustered ORDER BY way);
 SELECT 159843185
 Time: 1510500,993 ms (25:10,501)
 }}}

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/3864#comment:14>
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