Fixed SQL error in regression test

git-svn-id: http://svn.osgeo.org/postgis/trunk@10691 b70326c6-7e19-0410-871a-916f4a2858ee

diff --git a/raster/test/regress/rt_elevation_functions.sql b/raster/test/regress/rt_elevation_functions.sql
index 73eaeee11a683b9e3b4b8dd7d50fcbf072976af3..f73fd08b6cbd9ee8755c4668d6222f47fca0150f 100644 (file)
--- a/raster/test/regress/rt_elevation_functions.sql
+++ b/raster/test/regress/rt_elevation_functions.sql
@@ -222,7 +222,7 @@ ELSE
                SELECT
                        t1.rid,
                        'slope',
-                       ST_Slope(ST_Union(t2.rast), 1, t1.rast) AS rast
+                       ST_Slope(t2.rast, 1, t1.rast) AS rast
                FROM raster_elevation t1
                JOIN foo t2
                        ON t1.rid = t2.rid
@@ -242,7 +242,7 @@ ELSE
                SELECT
                        t1.rid,
                        'aspect',
-                       ST_Aspect(ST_Union(t2.rast), 1, t1.rast) AS rast
+                       ST_Aspect(t2.rast, 1, t1.rast) AS rast
                FROM raster_elevation t1
                JOIN foo t2
                        ON t1.rid = t2.rid
@@ -262,7 +262,7 @@ ELSE
                SELECT
                        t1.rid,
                        'hillshade',
-                       ST_Hillshade(ST_Union(t2.rast), 1, t1.rast) AS rast
+                       ST_Hillshade(t2.rast, 1, t1.rast) AS rast
                FROM raster_elevation t1
                JOIN foo t2
                        ON t1.rid = t2.rid