[postgis-tickets] [PostGIS] #3254: ST_SubDivide garden crash, not empty safe

[PostGIS]

#3254: ST_SubDivide garden crash, not empty safe
----------------------+---------------------------
  Reporter:  robe     |      Owner:  pramsey
      Type:  defect   |     Status:  new
  Priority:  blocker  |  Milestone:  PostGIS 2.2.0
 Component:  postgis  |    Version:  trunk
Resolution:           |   Keywords:
----------------------+---------------------------
Description changed by robe:

Old description:

> {{{
> SELECT ST_Subdivide(ST_GeomFromText('POINT EMPTY',4326),3);
> }}}
>

> Crash.
>
> this is the full garden test
>

> {{{
> SELECT ST_Subdivide(foo1.the_geom, 3) As result
>                                                         FROM ((SELECT
> ST_GeomFromText('POINT EMPTY',4326) As the_geom
>                         UNION ALL SELECT ST_GeomFromText('MULTIPOINT
> EMPTY',4326) As the_geom
>                         UNION ALL SELECT ST_GeomFromText('MULTIPOLYGON
> EMPTY',4326) As the_geom
>                         UNION ALL SELECT ST_GeomFromText('LINESTRING
> EMPTY',4326) As the_geom
>                         UNION ALL SELECT ST_GeomFromText('MULTILINESTRING
> EMPTY',4326) As the_geom ) ) As foo1 LIMIT 3;
> }}}

New description:

 {{{
 SELECT ST_Subdivide(ST_GeomFromText('POINT EMPTY',4326),3);
 }}}


 Crash.

 this is the full garden test


 {{{
 SELECT ST_Subdivide(foo1.the_geom, 3) As result
   FROM ((SELECT ST_GeomFromText('POINT EMPTY',4326) As the_geom
                         UNION ALL SELECT ST_GeomFromText('MULTIPOINT
 EMPTY',4326) As the_geom
                         UNION ALL SELECT ST_GeomFromText('MULTIPOLYGON
 EMPTY',4326) As the_geom
                         UNION ALL SELECT ST_GeomFromText('LINESTRING
 EMPTY',4326) As the_geom
                         UNION ALL SELECT ST_GeomFromText('MULTILINESTRING
 EMPTY',4326) As the_geom ) ) As foo1 LIMIT 3;
 }}}

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/3254#comment:2>
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