postgis-noop.patch

diff -urp postgis-orig/postgis/lwgeom_sfcgal.c postgis-svn-trunk/postgis/lwgeom_sfcgal.c
--- postgis-orig/postgis/lwgeom_sfcgal.c	2018-01-10 13:27:48.000000000 -0600
+++ postgis-svn-trunk/postgis/lwgeom_sfcgal.c	2018-01-10 14:54:24.813750897 -0600
@@ -59,6 +59,7 @@ Datum sfcgal_tesselate(PG_FUNCTION_ARGS)
 Datum sfcgal_minkowski_sum(PG_FUNCTION_ARGS);
 Datum sfcgal_make_solid(PG_FUNCTION_ARGS);
 Datum sfcgal_is_solid(PG_FUNCTION_ARGS);
+Datum sfcgal_noop(PG_FUNCTION_ARGS);
 
 
 GSERIALIZED *geometry_serialize(LWGEOM *lwgeom);
@@ -763,3 +764,29 @@ Datum sfcgal_make_solid(PG_FUNCTION_ARGS
 	PG_RETURN_POINTER(output);
 }
 
+PG_FUNCTION_INFO_V1(sfcgal_noop);
+Datum sfcgal_noop(PG_FUNCTION_ARGS)
+{
+	GSERIALIZED *input;
+	LWGEOM *geom;
+	LWGEOM *result;
+
+	sfcgal_postgis_init();
+
+	input = PG_GETARG_GSERIALIZED_P(0);
+	geom = lwgeom_from_gserialized(input);
+	if (! geom)
+	{
+		elog(ERROR, "sfcgal_noop: Unable to deserialize input");
+	}
+	PG_FREE_IF_COPY(input, 0);
+
+	result = lwgeom_sfcgal_noop(geom);
+	if (! result)
+	{
+		elog(ERROR, "sfcgal_noop: Unable to deserialize lwgeom");
+	}
+
+	lwgeom_free(geom);
+	PG_RETURN_POINTER(result);
+}
diff -urp postgis-orig/postgis/postgis.sql.in postgis-svn-trunk/postgis/postgis.sql.in
--- postgis-orig/postgis/postgis.sql.in	2018-01-10 13:27:48.000000000 -0600
+++ postgis-svn-trunk/postgis/postgis.sql.in	2018-01-10 14:52:48.533754244 -0600
@@ -1538,6 +1538,13 @@ CREATE OR REPLACE FUNCTION postgis_noop(
 	LANGUAGE 'c' IMMUTABLE STRICT _PARALLEL
 	COST 10;
 
+-- Availability: 2.4.3
+CREATE OR REPLACE FUNCTION postgis_geos_noop(geometry)
+	RETURNS geometry
+	AS 'MODULE_PATHNAME', 'GEOSnoop'
+	LANGUAGE 'c' IMMUTABLE STRICT _PARALLEL
+	COST 1;
+
 -- Availability: 2.3.0
 CREATE OR REPLACE FUNCTION ST_Normalize(geom geometry)
 	RETURNS geometry
diff -urp postgis-orig/postgis/sfcgal.sql.in postgis-svn-trunk/postgis/sfcgal.sql.in
--- postgis-orig/postgis/sfcgal.sql.in	2018-01-10 13:27:48.000000000 -0600
+++ postgis-svn-trunk/postgis/sfcgal.sql.in	2018-01-10 14:53:55.503751916 -0600
@@ -28,6 +28,13 @@ CREATE OR REPLACE FUNCTION postgis_sfcga
         AS 'MODULE_PATHNAME'
         LANGUAGE 'c' IMMUTABLE;
         
+-- Availability: 2.4.3
+CREATE OR REPLACE FUNCTION postgis_sfcgal_noop(geometry)
+	RETURNS geometry
+	AS 'MODULE_PATHNAME', 'sfcgal_noop'
+	LANGUAGE 'c' IMMUTABLE STRICT _PARALLEL
+	COST 1;
+
 -- Availability: 2.1.0
 CREATE OR REPLACE FUNCTION ST_3DIntersection(geom1 geometry, geom2 geometry)
        RETURNS geometry