[postgis-tickets] [PostGIS] #3261: ST_ExteriorRing ERROR when NULL documented

[PostGIS]

#3261: ST_ExteriorRing ERROR when NULL documented
---------------------+---------------------------
 Reporter:  lijat    |      Owner:  pramsey
     Type:  defect   |     Status:  new
 Priority:  medium   |  Milestone:  PostGIS 2.1.9
Component:  postgis  |    Version:  2.1.x
 Keywords:           |
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 The following query returns an error and not null as the documentation
 indicates

 select ST_ExteriorRing(ST_Point(1,2));

 ERROR:  ExteriorRing: geom is not a polygon

 ---

 SELECT PostGIS_full_version();

 POSTGIS="2.1.4 r12966" GEOS="3.4.2-CAPI-1.8.2 r3921" PROJ="Rel. 4.8.0, 6
 March 2012" GDAL="GDAL 1.10.1, released 2013/08/26" LIBXML="2.9.1"
 LIBJSON="UNKNOWN" RASTER

 ---

 the documentation here http://postgis.net/docs/ST_ExteriorRing.html states
 that

 "Return NULL if the geometry is not a polygon."

--
Ticket URL: <http://trac.osgeo.org/postgis/ticket/3261>
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