Fix topology loader against PostgreSQL 9.2 (#1822)

git-svn-id: http://svn.osgeo.org/postgis/trunk@9748 b70326c6-7e19-0410-871a-916f4a2858ee

diff --git a/topology/topology.sql.in.c b/topology/topology.sql.in.c
index 1dc0e845c49596ddd55ccdc069662eac59ea67aa..f84d65a856ce12309eb6c578c6cf8208ad10e103 100644 (file)
--- a/topology/topology.sql.in.c
+++ b/topology/topology.sql.in.c
@@ -365,7 +365,11 @@ ALTER DOMAIN topology.TopoElement ADD
         CONSTRAINT lower_dimension CHECK (
     array_lower(VALUE, 1) = 1
   );
-ALTER DOMAIN topology.TopoElement DROP CONSTRAINT type_range;
+ALTER DOMAIN topology.TopoElement DROP CONSTRAINT 
+#if POSTGIS_PGSQL_VERSION >= 92
+  IF EXISTS
+#endif
+  type_range;
 ALTER DOMAIN topology.TopoElement ADD
         CONSTRAINT type_range CHECK (
     VALUE[2] > 0