[postgis-tickets] [PostGIS] #5401: ST_Difference silently giving us wrong results

[PostGIS]

#5401: ST_Difference silently giving us wrong results
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  Reporter:  laopsahl  |      Owner:  pramsey
      Type:  defect    |     Status:  new
  Priority:  medium    |  Milestone:  PostGIS 3.3.4
 Component:  postgis   |    Version:  3.3.x
Resolution:            |   Keywords:
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Comment (by laopsahl):

 This code suggested by Sandro seems to work

 {{{

 CREATE TABLE difference_test_01 AS
 SELECT
   ST_Difference(
     a.geo,
     ( SELECT ST_Union(u.geo) FROM used_area u )
   )
 AS geom
 FROM all_area a;

 }}}
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5401#comment:7>
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