From: Regina Obe <lr@pcorp.us>
Date: Wed, 20 Sep 2017 00:12:52 +0000 (+0000)
Subject: ST_ConcaveHull fix for EXtenriorRing is not a polygon
X-Git-Tag: 2.4.0rc2~28
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=035d5b96a935b028ef007e0459e1839314adeb85;p=postgis

ST_ConcaveHull fix for EXtenriorRing is not a polygon
References #2836 for PostGIS 2.4.0

git-svn-id: http://svn.osgeo.org/postgis/trunk@15775 b70326c6-7e19-0410-871a-916f4a2858ee
---

diff --git a/postgis/postgis.sql.in b/postgis/postgis.sql.in
index d76b88daf..390ace865 100644
--- a/postgis/postgis.sql.in
+++ b/postgis/postgis.sql.in
@@ -5870,8 +5870,10 @@ $$
 					var_tempgeom := @extschema@.ST_ForceSFS(@extschema@.ST_Intersection(var_tempgeom, var_convhull));
 					IF param_allow_holes THEN
 						var_param_geom := var_tempgeom;
-					ELSE
+					ELSIF @extschema@.ST_GeometryType(var_tempgeom) = 'ST_Polygon' THEN
 						var_param_geom := @extschema@.ST_MakePolygon(@extschema@.ST_ExteriorRing(var_tempgeom));
+					ELSE
+						var_param_geom := @extschema@.ST_ConvexHull(var_param_geom);
 					END IF;
 					return var_param_geom;
 				ELSIF @extschema@.ST_IsValid(var_tempgeom) THEN