From: Daniel Baston <dbaston@gmail.com>
Date: Fri, 4 Mar 2016 14:51:36 +0000 (+0000)
Subject: #3480, copy input geometries to ST_ClusterDBSCAN
X-Git-Tag: 2.3.0beta1~188
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=39d2c1dc56abb4ef0e15a0b891e29862697f54ee;p=postgis

#3480, copy input geometries to ST_ClusterDBSCAN

git-svn-id: http://svn.osgeo.org/postgis/trunk@14745 b70326c6-7e19-0410-871a-916f4a2858ee
---

diff --git a/postgis/lwgeom_window.c b/postgis/lwgeom_window.c
index 779cd472d..5d02a364f 100644
--- a/postgis/lwgeom_window.c
+++ b/postgis/lwgeom_window.c
@@ -69,13 +69,13 @@ read_lwgeom_from_partition(WindowObject win_obj, uint32_t i, bool* is_null)
 
 	if (*is_null) {
 		/* So that the indexes in our clustering input array can match our partition positions,
-		 * 		 * toss an empty point into the clustering inputs, as a pass-through.
-		 * 		 		 * NOTE: this will cause gaps in the output cluster id sequence.
-		  		 		 		 * */
+		 * toss an empty point into the clustering inputs, as a pass-through.
+		 * NOTE: this will cause gaps in the output cluster id sequence.
+		 * */
 		return lwpoint_as_lwgeom(lwpoint_construct_empty(0, 0, 0));
 	}
 
-	g = (GSERIALIZED*) PG_DETOAST_DATUM(arg);
+	g = (GSERIALIZED*) PG_DETOAST_DATUM_COPY(arg);
 	return lwgeom_from_gserialized(g);
 }