[postgis-devel] Issue 112 in postgis: ST_CurveToLine sometimes crashes server

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Status: Accepted
Owner: ----
Labels: Type-Defect Priority-Medium Milestone-1.3.X

New issue 112 by robe.... at cityofboston.gov: ST_CurveToLine sometimes  
crashes server
http://code.google.com/p/postgis/issues/detail?id=112

What steps will reproduce the problem?
1.

SELECT 'ST_CurveToLine GCSet3D: Start Testing GEOMETRYCOLLECTION';
         BEGIN;
         SELECT ST_AsEWKT(ST_CurveToLine(foo1.the_geom))

                         FROM ((SELECT
ST_Collect(ST_Collect(ST_SetSRID(ST_MakePoint(i,j,m),4326),ST_SetSRID(ST_MakePolygon(ST_AddPoint(ST_AddPoint(ST_MakeLine(ST_MakePoint(i+m,j,m),ST_MakePoint(j+m,i-m,m)),ST_MakePoint(i,j,m)),ST_MakePointM(i+m,j,m))),4326)))
  As the_geom
                 FROM generate_series(-10,50,20) As i
                         CROSS JOIN generate_series(50,70, 20) As j
                         CROSS JOIN generate_series(1,2) As m
                         GROUP BY m)) As foo1;
         COMMIT;
         SELECT 'ST_CurveToLine GCSet3D: End Testing GEOMETRYCOLLECTION';
What is the expected output?
It should do nothing and just return what I input since input contains no
curves.

What do you see instead?
psql:torturetest.sql:157312: server closed the connection unexpectedly
         This probably means the server terminated abnormally
         before or while processing the request.
psql:torturetest.sql:157312: connection to server was lost


Haven't test on 1.3 but assume same issue exists



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