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

[PostGIS]

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

Comment (by komzpa):

 Bigint sorted sort is the same time as sorted geom and is almost same as
 unsorted bigint. Geohash time is same as unsorted Geohash.

 {{{
 [local] gis at gis=# create table juno_osm_point_pt1_fastmath_ordered as
 (select * from juno_osm_point_pt1_fastmath ORDER BY
 ST_GeoHash(ST_Transform(ST_Envelope(way),4326),10) COLLATE "C");
 SELECT 159843185
 Time: 935372,463 ms (15:35,372)

 [local] gis at gis=# create table juno_osm_point_unclustered_ordered as
 (select * from juno_osm_point_unclustered order by osm_id);
 SELECT 159843185
 Time: 596486,915 ms (09:56,487)

 }}}

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/3864#comment:29>
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