From: Bborie Park <bkpark at ucdavis.edu>
Date: Tue, 18 Dec 2012 20:42:05 +0000 (+0000)
Subject: Tweaked UpdateRasterSRID() to drop/add coverage tile as needed
X-Git-Tag: 2.1.0beta2~283
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=c7921b194d25afc5d17f8a8d435b019da8c53f3e;p=postgis

Tweaked UpdateRasterSRID() to drop/add coverage tile as needed

git-svn-id: http://svn.osgeo.org/postgis/trunk@10853 b70326c6-7e19-0410-871a-916f4a2858ee
---

diff --git a/raster/rt_pg/rtpostgis.sql.in.c b/raster/rt_pg/rtpostgis.sql.in.c
index 6c0ea61af..e3c38b6a5 100644
--- a/raster/rt_pg/rtpostgis.sql.in.c
+++ b/raster/rt_pg/rtpostgis.sql.in.c
@@ -7801,6 +7801,7 @@ CREATE OR REPLACE FUNCTION _UpdateRasterSRID(
 		schema name;
 		sql text;
 		srid integer;
+		ct boolean;
 	BEGIN
 		-- validate schema
 		schema := NULL;
@@ -7841,6 +7842,13 @@ CREATE OR REPLACE FUNCTION _UpdateRasterSRID(
 			srid := new_srid;
 		END IF;
 
+		-- drop coverage tile constraint
+		-- done separately just in case constraint doesn't exist
+		ct := _raster_constraint_info_coverage_tile(schema, $2, $3);
+		IF ct IS TRUE THEN
+			PERFORM _drop_raster_constraint_coverage_tile(schema, $2, $3);
+		END IF;
+
 		-- drop SRID, extent, alignment constraints
 		PERFORM DropRasterConstraints(schema, $2, $3, 'extent', 'alignment', 'srid');
 
@@ -7861,6 +7869,11 @@ CREATE OR REPLACE FUNCTION _UpdateRasterSRID(
 		-- add SRID constraint
 		PERFORM AddRasterConstraints(schema, $2, $3, 'srid', 'extent', 'alignment');
 
+		-- add coverage tile constraint if needed
+		IF ct IS TRUE THEN
+			PERFORM _add_raster_constraint_coverage_tile(schema, $2, $3);
+		END IF;
+
 		RETURN TRUE;
 	END;
 	$$ LANGUAGE 'plpgsql' VOLATILE;