Fixed incorrect use of rt_band_destroy when loading offline band data. ALso added rules to raster_columns and raster_overviews to gracefully handle insert/update/delete.

git-svn-id: http://svn.osgeo.org/postgis/trunk@8751 b70326c6-7e19-0410-871a-916f4a2858ee

raster/rt_core/rt_api.c

@@ -1318,7 +1318,7 @@ rt_band_load_offline_band(rt_band band) {
 
 	band->data.offline.mem = _band->data.mem;
 
-	rt_band_destroy(_band);
+	rtdealloc(_band); /* cannot use rt_band_destory */
 	rt_raster_destroy(_rast);
 
 	return 0;

raster/rt_pg/rtpostgis_legacy.sql.in.c

@@ -120,3 +120,31 @@ CREATE OR REPLACE VIEW raster_overviews AS
 		AND a.attname = rc.r_raster_column
 		AND s.consrc LIKE '%_overview_constraint(%'
 		AND NOT pg_is_other_temp_schema(c.relnamespace);
+
+--
+-- Add rules to catch INSERT, UPDATE and DELETE
+--
+
+CREATE OR REPLACE RULE raster_columns_insert AS
+	ON INSERT TO raster_columns
+	DO INSTEAD NOTHING;
+
+CREATE OR REPLACE RULE raster_columns_update AS
+	ON UPDATE TO raster_columns
+	DO INSTEAD NOTHING;
+
+CREATE OR REPLACE RULE raster_columns_delete AS
+	ON DELETE TO raster_columns
+	DO INSTEAD NOTHING;
+
+CREATE OR REPLACE RULE raster_overviews_insert AS
+	ON INSERT TO raster_overviews
+	DO INSTEAD NOTHING;
+
+CREATE OR REPLACE RULE raster_overviews_update AS
+	ON UPDATE TO raster_overviews
+	DO INSTEAD NOTHING;
+
+CREATE OR REPLACE RULE raster_overviews_delete AS
+	ON DELETE TO raster_overviews
+	DO INSTEAD NOTHING;