[postgis-devel] [PostGIS] #1580: proj4 cache corrupted by projection error ?

[PostGIS]

#1580: proj4 cache corrupted by projection error ?
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 Reporter:  strk      |       Owner:  pramsey      
     Type:  defect    |      Status:  new          
 Priority:  critical  |   Milestone:  PostGIS 2.0.0
Component:  postgis   |     Version:  trunk        
 Keywords:            |  
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 Look at this session:
 {{{
 strk=# select ST_Transform('SRID=4326;POINT(180 -90)'::geometry, 3857);
 ERROR:  transform: couldn't project point (180 -90 0): tolerance condition
 error (-20)
 strk=# select ST_Transform('SRID=4326;POINT(180
 -89.99999999999)'::geometry, 3857);
 ERROR:  AddToPROJ4SRSCache: couldn't parse proj4 string: '+proj=longlat
 +datum=WGS84 +no_defs ': tolerance condition error
 }}}

 The second ERROR doesn't sound right, seems to reveal a dirtiness in proj
 cache. It's critical because the cache survives multiple transactions
 making it impossible to perform future reprojections

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/1580>
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