From: Björn Harrtell <bjorn@wololo.org>
Date: Sun, 5 Mar 2017 11:58:54 +0000 (+0000)
Subject: Clone LWGEOM in aggregation step
X-Git-Tag: 2.4.0alpha~162
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=5a2a4acad3434db582122d86c11b4351426ba887;p=postgis

Clone LWGEOM in aggregation step
References #3720

git-svn-id: http://svn.osgeo.org/postgis/trunk@15321 b70326c6-7e19-0410-871a-916f4a2858ee
---

diff --git a/postgis/geobuf.c b/postgis/geobuf.c
index b0c4b3242..e9f9aa1b2 100644
--- a/postgis/geobuf.c
+++ b/postgis/geobuf.c
@@ -540,7 +540,7 @@ void geobuf_agg_transfn(struct geobuf_agg_context *ctx)
 	if (!datum)
 		lwerror("geobuf_agg_transfn: geometry column cannot be null");
 	gs = (GSERIALIZED *) PG_DETOAST_DATUM(datum);
-	lwgeom = lwgeom_from_gserialized(gs);
+	lwgeom = lwgeom_clone_deep(lwgeom_from_gserialized(gs));
 
 	feature = encode_feature(ctx);