[postgis-tickets] r14377 - #3367, ST_RemoveRepeatedPoints fix for EMPTY geometry

[Paul Ramsey]

Author: pramsey
Date: 2015-11-10 12:23:14 -0800 (Tue, 10 Nov 2015)
New Revision: 14377

Modified:
   trunk/liblwgeom/lwgeom.c
   trunk/regress/tickets.sql
   trunk/regress/tickets_expected
Log:
#3367, ST_RemoveRepeatedPoints fix for EMPTY geometry



Modified: trunk/liblwgeom/lwgeom.c
===================================================================
--- trunk/liblwgeom/lwgeom.c	2015-11-10 20:23:09 UTC (rev 14376)
+++ trunk/liblwgeom/lwgeom.c	2015-11-10 20:23:14 UTC (rev 14377)
@@ -1409,6 +1409,11 @@
 	LWDEBUGF(4, "lwgeom_remove_repeated_points got type %s",
 	         lwtype_name(in->type));
 
+	if(lwgeom_is_empty(in)) 
+	{
+		return lwgeom_clone_deep(in);
+	}
+
 	switch (in->type)
 	{
 	case MULTIPOINTTYPE:

Modified: trunk/regress/tickets.sql
===================================================================
--- trunk/regress/tickets.sql	2015-11-10 20:23:09 UTC (rev 14376)
+++ trunk/regress/tickets.sql	2015-11-10 20:23:14 UTC (rev 14377)
@@ -925,5 +925,7 @@
  ('LINESTRING(124.983539 1.419224,91.181596 29.647798, 91.28 29.647)'::text  ) ) As f(wkt)
 ORDER BY wkt;
 
+SELECT '#3367', ST_AsText(ST_RemoveRepeatedPoints('POLYGON EMPTY'::geometry));
+
 -- Clean up
 DELETE FROM spatial_ref_sys;

Modified: trunk/regress/tickets_expected
===================================================================
--- trunk/regress/tickets_expected	2015-11-10 20:23:09 UTC (rev 14376)
+++ trunk/regress/tickets_expected	2015-11-10 20:23:14 UTC (rev 14377)
@@ -280,3 +280,4 @@
 #3355|t
 #3356|LineString[] with 2 points|LineString[GS] with 2 points|LineString[GS] with 2 points
 #3356|LineString[B] with 3 points|LineString[BGS] with 3 points|LineString[BGS] with 3 points
+#3367|POLYGON EMPTY