[PostGIS] #5854: ST_Reskew Performance

PostGIS trac at osgeo.org
Mon Feb 24 11:24:06 PST 2025


#5854: ST_Reskew Performance
----------------------+---------------------------
 Reporter:  pramsey   |      Owner:  pramsey
     Type:  defect    |     Status:  new
 Priority:  critical  |  Milestone:  PostGIS 3.5.3
Component:  postgis   |    Version:  3.5.x
 Keywords:            |
----------------------+---------------------------
 As reported on postgis-users

 https://lists.osgeo.org/pipermail/postgis-users/2025-February/046730.html

 Running ST_Reskew with a large enough raster seems to result in a
 performance cliff or infinite loop.

 {{{
 SELECT ST_Rotation(ST_Reskew(ST_AddBand(ST_MakeEmptyRaster(100, 430, 0, 0,
 0.001, -0.001, 0, 0, 4269), '8BUI'::text, 1, 0), 0.0015));
 }}}
-- 
Ticket URL: <https://trac.osgeo.org/postgis/ticket/5854>
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