[postgis-devel] [PostGIS] #1351: ST_Buffer around A LINESTRING crashes the database

[PostGIS]

#1351: ST_Buffer around A LINESTRING crashes the database
----------------------+-----------------------------------------------------
 Reporter:  royl      |       Owner:  pramsey      
     Type:  defect    |      Status:  new          
 Priority:  critical  |   Milestone:  PostGIS 2.0.0
Component:  postgis   |     Version:  1.5.X        
 Keywords:            |  
----------------------+-----------------------------------------------------

Comment(by strk):

 I confirm it's fixed with GEOS SVN:

 {{{
 2011-12-07 14:05:30 CET LOG:  duration: 197622.410 ms  statement: select
 st_summary(st_buffer(st_buffer(st_buffer(st_buffer(st_buffer(the_geom, 1),
 2), 7), 10), 30)) from bad_raw_trajectory;

          st_summary
 ----------------------------
  Polygon[B] with 24 rings
     ring 0 has 64521 points
     ring 1 has 8 points
     ring 2 has 1922 points
     ring 3 has 1206 points
     ring 4 has 3868 points
     ring 5 has 840 points
     ring 6 has 293 points
     ring 7 has 11 points
     ring 8 has 1238 points
     ring 9 has 10396 points
     ring 10 has 315 points
     ring 11 has 53 points
     ring 12 has 1028 points
     ring 13 has 6463 points
     ring 14 has 36 points
     ring 15 has 249 points
     ring 16 has 273 points
     ring 17 has 58 points
     ring 18 has 48 points
     ring 19 has 126 points
     ring 20 has 170 points
     ring 21 has 3408 points
     ring 22 has 8 points
     ring 23 has 9297 points
  }}}

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Ticket URL: <http://trac.osgeo.org/postgis/ticket/1351#comment:7>
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