Simplify a couple of sfcgal tests to simply wrap originals

Adds support for using the :regdir variable in regression tests
and turns 2 sfcgal tests into simple wrappers. More of this should
follow.

git-svn-id: http://svn.osgeo.org/postgis/trunk@13479 b70326c6-7e19-0410-871a-916f4a2858ee

diff --git a/regress/run_test.pl b/regress/run_test.pl
index 5cd0e69e134b1ba782d9f8c46e2f61888a285940..ece7a90d5a649aeb9b2b331070df4a10740d59aa 100755 (executable)
--- a/regress/run_test.pl
+++ b/regress/run_test.pl
@@ -598,6 +598,7 @@ sub run_simple_test
        my $cmd = "psql -v \"VERBOSITY=terse\""
           . " -v \"tmpfile='$tmpfile'\""
           . " -v \"scriptdir=$scriptdir\""
+          . " -v \"regdir=$REGDIR\""
           . " -tXA $DB < $sql > $outfile 2>&1";
        my $rv = system($cmd);
 
@@ -624,6 +625,7 @@ sub run_simple_test
                $lines[$i] =~ s/[eE]([+-])0+(\d+)/e$1$2/g;
                $lines[$i] =~ s/Self-intersection .*/Self-intersection/;
                $lines[$i] =~ s/^ROLLBACK/COMMIT/;
+               $lines[$i] =~ s/^psql.*(NOTICE|WARNING|ERROR):/\1:/g;
        }
        
        # Write out output file

diff --git a/regress/sfcgal/legacy.sql b/regress/sfcgal/legacy.sql
index a54ad3e6c2d44d41ec173db328f27839f48cb580..293422fc113354f93c28f66cc2f94cab5ebc7b09 100644 (file)
--- a/regress/sfcgal/legacy.sql
+++ b/regress/sfcgal/legacy.sql
@@ -7,54 +7,6 @@
 --
 
 SET postgis.backend = 'sfcgal';
-SET client_min_messages TO WARNING;
 
-\cd :scriptdir
+\cd :regdir
 \i legacy.sql
-
-TRUNCATE spatial_ref_sys;
-INSERT INTO "spatial_ref_sys" ("srid","auth_name","auth_srid","srtext","proj4text") VALUES (4326,'EPSG',4326,'GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],TOWGS84[0,0,0,0,0,0,0],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.01745329251994328,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4326"]]','+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs ');
-
-SELECT 'Starting up MapServer/Geoserver tests...';
--- Set up the data table
-SELECT 'Setting up the data table...';
-CREATE TABLE public.wmstest ( id INTEGER );
-SELECT AddGeometryColumn( 'wmstest', 'pt', 4326, 'POLYGON', 2 );
-INSERT INTO wmstest SELECT lon * 100 + lat AS id, st_setsrid(st_buffer(st_makepoint(lon, lat),1.0),4326) AS pt
-FROM (select lon, generate_series(-80,80, 5) AS lat FROM (SELECT generate_series(-175, 175, 5) AS lon) AS sq1) AS sq2;
-ALTER TABLE wmstest add PRIMARY KEY ( id );
-CREATE INDEX wmstest_geomidx ON wmstest using gist ( pt );
-
--- Geoserver 2.0 NG tests
-SELECT 'Running Geoserver 2.0 NG tests...';
--- Run a Geoserver 2.0 NG metadata query
-SELECT 'Geoserver1', TYPE FROM GEOMETRY_COLUMNS WHERE F_TABLE_SCHEMA = 'public' AND F_TABLE_NAME = 'wmstest' AND F_GEOMETRY_COLUMN = 'pt';
-SELECT 'Geoserver2', SRID FROM GEOMETRY_COLUMNS WHERE F_TABLE_SCHEMA = 'public' AND F_TABLE_NAME = 'wmstest' AND F_GEOMETRY_COLUMN = 'pt';
--- Run a Geoserver 2.0 NG WMS query
-SELECT 'Geoserver3', "id",substr(encode(asBinary(force_2d("pt"),'XDR'),'base64'),0,16) as "pt" FROM "public"."wmstest" WHERE "pt" && GeomFromText('POLYGON ((-6.58216065979069 -0.7685569763184591, -6.58216065979069 0.911225433349509, -3.050569931030911 0.911225433349509, -3.050569931030911 -0.7685569763184591, -6.58216065979069 -0.7685569763184591))', 4326);
--- Run a Geoserver 2.0 NG KML query
-SELECT 'Geoserver4', count(*) FROM "public"."wmstest" WHERE "pt" && GeomFromText('POLYGON ((-1.504017942347938 24.0332272532341, -1.504017942347938 25.99364254836741, 1.736833353559741 25.99364254836741, 1.736833353559741 24.0332272532341, -1.504017942347938 24.0332272532341))', 4326);
-SELECT 'Geoserver5', "id",substr(encode(asBinary(force_2d("pt"),'XDR'),'base64'),0,16) as "pt" FROM "public"."wmstest" WHERE "pt" && GeomFromText('POLYGON ((-1.504017942347938 24.0332272532341, -1.504017942347938 25.99364254836741, 1.736833353559741 25.99364254836741, 1.736833353559741 24.0332272532341, -1.504017942347938 24.0332272532341))', 4326);
-SELECT 'Geoserver6', "id",substr(encode(asBinary(force_2d("pt"),'XDR'),'base64'),0,16) as "pt" FROM "public"."wmstest" WHERE "pt" && GeomFromText('POLYGON ((-1.507182836191598 24.031312785172446, -1.507182836191598 25.995557016429064, 1.7399982474034008 25.995557016429064, 1.7399982474034008 24.031312785172446, -1.507182836191598 24.031312785172446))', 4326);
-
--- MapServer 5.4 tests
-select 'MapServer1', attname from pg_attribute, pg_constraint, pg_class where pg_constraint.conrelid = pg_class.oid and pg_class.oid = pg_attribute.attrelid and pg_constraint.contype = 'p' and pg_constraint.conkey[1] = pg_attribute.attnum and pg_class.relname = 'wmstest' and pg_table_is_visible(pg_class.oid) and pg_constraint.conkey[2] is null;
-select 'MapServer2', "id",substr(encode(AsBinary(force_collection(force_2d("pt")),'NDR'),'base64'),0,16) as geom,"id" from wmstest where pt && GeomFromText('POLYGON((-98.5 32,-98.5 39,-91.5 39,-91.5 32,-98.5 32))',find_srid('','wmstest','pt'));
-
--- MapServer 5.6 tests
-select * from wmstest where false limit 0;
-select 'MapServer3', attname from pg_attribute, pg_constraint, pg_class where pg_constraint.conrelid = pg_class.oid and pg_class.oid = pg_attribute.attrelid and pg_constraint.contype = 'p' and pg_constraint.conkey[1] = pg_attribute.attnum and pg_class.relname = 'wmstest' and pg_table_is_visible(pg_class.oid) and pg_constraint.conkey[2] is null;
-select 'MapServer4', "id",substr(encode(AsBinary(force_collection(force_2d("pt")),'NDR'),'hex'),0,16) as geom,"id" from wmstest where pt && GeomFromText('POLYGON((-98.5 32,-98.5 39,-91.5 39,-91.5 32,-98.5 32))',find_srid('','wmstest','pt'));
-
--- Drop the data table
-SELECT 'Removing the data table...';
-DROP TABLE wmstest;
-DELETE FROM geometry_columns WHERE f_table_name = 'wmstest' AND f_table_schema = 'public';
-SELECT 'Done.';
-
--- test #1869 ST_AsBinary is not unique --
-SELECT 1869 As ticket_id, ST_AsText(ST_AsBinary('POINT(1 2)'));
-
-DELETE FROM spatial_ref_sys WHERE SRID = '4326';
-
-\i uninstall_legacy.sql

diff --git a/regress/sfcgal/regress_ogc.sql b/regress/sfcgal/regress_ogc.sql
index 8203f66864cd5feac49c26fa9ade771f50c6063c..5226bdc6f1dad96bec7322c4d7e7926267ced6f5 100644 (file)
--- a/regress/sfcgal/regress_ogc.sql
+++ b/regress/sfcgal/regress_ogc.sql
@@ -5,149 +5,5 @@
 
 SET postgis.backend = 'sfcgal';
 
--- Repeat all tests with new function names.
-SELECT 'buffer', ST_astext(ST_SnapToGrid(ST_buffer('POINT(0 0)', 1, 2), 1.0e-6));
-
-SELECT 'geomunion', ST_astext(ST_union('POINT(0 0)', 'POINT(1 1)'));
-SELECT 'convexhull', ST_asewkt(ST_convexhull('POLYGON((0 0, 10 0, 10 10, 0 10, 0 0),(2 2, 2 4, 4 4, 4 2, 2 2))'));
-SELECT 'relate', ST_relate('POINT(0 0)', 'LINESTRING(0 0, 1 1)');
-SELECT 'relate', ST_relate('POINT(0 0)', 'LINESTRING(0 0, 1 1)', 'F0FFFF*02');
-SELECT 'relate', ST_relate('POINT(0 0)', 'LINESTRING(0 0, 1 1)', 'F0FFF0*02');
-SELECT 'disjoint', ST_disjoint('POINT(0 0)', 'LINESTRING(0 0, 1 1)');
-SELECT 'touches', ST_touches('LINESTRING(0 10, 0 -10)', 'LINESTRING(0 0, 1 1)');
-SELECT 'intersects', ST_intersects('LINESTRING(0 10, 0 -10)', 'LINESTRING(0 0, 1 1)');
-SELECT 'crosses', ST_crosses('LINESTRING(0 10, 0 -10)', 'LINESTRING(0 0, 1 1)');
-SELECT 'crosses', ST_crosses('LINESTRING(0 10, 0 -10)', 'LINESTRING(-4 0, 1 1)');
--- PIP - point within polygon
-SELECT 'within100', ST_within('POINT(5 5)', 'POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))');
--- PIP - point on vertex of polygon
-SELECT 'within101', ST_within('POINT(0 0)', 'POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))');
--- PIP - point outside polygon
-SELECT 'within102', ST_within('POINT(-1 0)', 'POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))');
--- PIP - point on edge of polygon
-SELECT 'within103', ST_within('POINT(0 5)', 'POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))');
--- PIP - point in line with polygon edge
-SELECT 'within104', ST_within('POINT(0 12)', 'POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))');
--- PIP - point vertically aligned with polygon vertex 
-SELECT 'within105', ST_within(ST_GeomFromText('POINT(521513 5377804)', 32631), ST_GeomFromText('POLYGON((521526 5377783, 521481 5377811, 521494 5377832, 521539 5377804, 521526 5377783))', 32631));
--- PIP - repeated vertex 
-SELECT 'within106', ST_within(ST_GeomFromText('POINT(521513 5377804)', 32631), ST_GeomFromText('POLYGON((521526 5377783, 521482 5377811, 521481 5377811, 521494 5377832, 521539 5377804, 521526 5377783))', 32631));
--- PIP - point within polygon
-SELECT 'disjoint100', ST_disjoint('POINT(5 5)', 'POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))');
--- PIP - point on polygon vertex
-SELECT 'disjoint101', ST_disjoint('POINT(0 0)', 'POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))');
--- PIP - point outside polygon
-SELECT 'disjoint102', ST_disjoint('POINT(-1 0)', 'POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))');
--- PIP - point on polygon edge
-SELECT 'disjoint103', ST_disjoint('POINT(0 5)', 'POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))');
--- PIP - point in line with polygon edge
-SELECT 'disjoint104', ST_disjoint('POINT(0 12)', 'POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))');
--- PIP - point vertically aligned with polygon vertex 
-SELECT 'disjoint105', ST_disjoint(ST_GeomFromText('POINT(521513 5377804)', 32631), ST_GeomFromText('POLYGON((521526 5377783, 521481 5377811, 521494 5377832, 521539 5377804, 521526 5377783))', 32631));
--- PIP - repeated vertex 
-SELECT 'disjoint106', ST_disjoint(ST_GeomFromText('POINT(521543 5377804)', 32631), ST_GeomFromText('POLYGON((521526 5377783, 521482 5377811, 521494 5377832, 521539 5377804, 521526 5377783))', 32631));
--- PIP - point within polygon
-SELECT 'disjoint150', ST_disjoint('POINT(5 5)', 'POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))');
--- PIP - point on polygon vertex
-SELECT 'disjoint151', ST_disjoint('POINT(0 0)', 'POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))');
--- PIP - point outside polygon
-SELECT 'disjoint152', ST_disjoint('POINT(-1 0)', 'POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))');
--- PIP - point on polygon edge
-SELECT 'disjoint153', ST_disjoint('POINT(0 5)', 'POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))');
--- PIP - point in line with polygon edge
-SELECT 'disjoint154', ST_disjoint('POINT(0 12)', 'POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))');
--- PIP - point vertically aligned with polygon vertex 
-SELECT 'disjoint155', ST_disjoint(ST_GeomFromText('POINT(521513 5377804)', 32631), ST_GeomFromText('POLYGON((521526 5377783, 521481 5377811, 521494 5377832, 521539 5377804, 521526 5377783))', 32631));
--- PIP - repeated vertex
-SELECT 'disjoint156', ST_disjoint(ST_GeomFromText('POINT(521543 5377804)', 32631), ST_GeomFromText('POLYGON((521526 5377783, 521482 5377811, 521494 5377832, 521539 5377804, 521526 5377783))', 32631));
--- PIP - point within polygon
-SELECT 'intersects100', ST_intersects('POINT(5 5)', 'POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))');
--- PIP - point on polygon vertex
-SELECT 'intersects101', ST_intersects('POINT(0 0)', 'POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))');
--- PIP - point outside polygon
-SELECT 'intersects102', ST_intersects('POINT(-1 0)', 'POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))');
--- PIP - point on polygon edge
-SELECT 'intersects103', ST_intersects('POINT(0 5)', 'POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))');
--- PIP - point in line with polygon edge
-SELECT 'intersects104', ST_intersects('POINT(0 12)', 'POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))');
--- PIP - point vertically aligned with polygon vertex 
-SELECT 'intersects105', ST_intersects(ST_GeomFromText('POINT(521513 5377804)', 32631), ST_GeomFromText('POLYGON((521526 5377783, 521481 5377811, 521494 5377832, 521539 5377804, 521526 5377783))', 32631));
--- PIP - repeated vertex
-SELECT 'intersects106', ST_intersects(ST_GeomFromText('POINT(521543 5377804)', 32631), ST_GeomFromText('POLYGON((521526 5377783, 521482 5377811, 521494 5377832, 521539 5377804, 521526 5377783))', 32631));
--- PIP - point within polygon
-SELECT 'intersects150', ST_intersects('POINT(5 5)', 'POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))');
--- PIP - point on polygon vertex
-SELECT 'intersects151', ST_intersects('POINT(0 0)', 'POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))');
--- PIP - point outside polygon
-SELECT 'intersects152', ST_intersects('POINT(-1 0)', 'POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))');
--- PIP - point on polygon edge
-SELECT 'intersects153', ST_intersects('POINT(0 5)', 'POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))');
--- PIP - point in line with polygon edge
-SELECT 'intersects154', ST_intersects('POINT(0 12)', 'POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))');
--- PIP - point vertically aligned with polygon vertex 
-SELECT 'intersects155', ST_intersects(ST_GeomFromText('POINT(521513 5377804)', 32631), ST_GeomFromText('POLYGON((521526 5377783, 521481 5377811, 521494 5377832, 521539 5377804, 521526 5377783))', 32631));
--- PIP - repeated vertex
-SELECT 'intersects156', ST_intersects(ST_GeomFromText('POINT(521543 5377804)', 32631), ST_GeomFromText('POLYGON((521526 5377783, 521482 5377811, 521494 5377832, 521539 5377804, 521526 5377783))', 32631));
--- PIP - point within polygon
-SELECT 'contains100', ST_contains('POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))', 'POINT(5 5)');
--- PIP - point on vertex of polygon
-SELECT 'contains101', ST_contains('POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))', 'POINT(0 0)');
--- PIP - point outside polygon
-SELECT 'contains102', ST_contains('POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))', 'POINT(-1 0)');
--- PIP - point on edge of polygon
-SELECT 'contains103', ST_contains('POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))', 'POINT(0 5)');
--- PIP - point in line with polygon edge
-SELECT 'contains104', ST_contains('POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))', 'POINT(0 12)');
--- PIP - point vertically aligned with polygon vertex 
-SELECT 'contains105', ST_contains(ST_GeomFromText('POLYGON((521526 5377783, 521481 5377811, 521494 5377832, 521539 5377804, 521526 5377783))', 32631), ST_GeomFromText('POINT(521513 5377804)', 32631));
--- PIP - repeated vertex 
-SELECT 'contains106', ST_contains(ST_GeomFromText('POLYGON((521526 5377783, 521482 5377811, 521481 5377811, 521494 5377832, 521539 5377804, 521526 5377783))', 32631), ST_GeomFromText('POINT(521513 5377804)', 32631));
--- moved here from regress.sql
-select 'within119', ST_within('LINESTRING(-1 -1, -1 101, 101 101, 101 -1)'::GEOMETRY,'BOX3D(0 0, 100 100)'::BOX3D);
-select 'within120', ST_within('LINESTRING(-1 -1, -1 100, 101 100, 101 -1)'::GEOMETRY,'BOX3D(0 0, 100 100)'::BOX3D);
-SELECT 'contains110', ST_Contains('POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))', 'LINESTRING(1 10, 9 10, 9 8)');
-SELECT 'contains111', ST_Contains('POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))', 'LINESTRING(1 10, 10 10, 10 8)');
-SELECT 'within130', ST_Within('LINESTRING(1 10, 9 10, 9 8)', 'POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))');
-SELECT 'within131', ST_Within('LINESTRING(1 10, 10 10, 10 8)', 'POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))');
-SELECT 'overlaps', ST_overlaps('POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))','POINT(5 5)');
-SELECT 'isvalid', ST_isvalid('POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))');
-SELECT 'isvalid', ST_isvalid('POLYGON((0 0, 0 10, 10 10, -5 10, 10 0, 0 0))');
-SELECT 'isvalid', ST_isvalid('GEOMETRYCOLLECTION EMPTY');
-SELECT 'intersection', ST_astext(ST_intersection('LINESTRING(0 10, 0 -10)', 'LINESTRING(0 0, 1 1)'));
-SELECT 'difference', ST_astext(ST_difference('LINESTRING(0 10, 0 -10)'::GEOMETRY, 'LINESTRING(0 2, 0 -2)'::GEOMETRY));
-SELECT 'boundary', ST_astext(ST_boundary('POLYGON((0 0, 0 10, 10 10, 10 0, 0 0),(2 2, 2 4, 4 4, 4 2, 2 2))'));
-SELECT 'symdifference', ST_astext(ST_symdifference('POLYGON((0 0, 0 10, 10 10, 10 0, 0 0),(2 2, 2 4, 4 4, 4 2, 2 2))', 'LINESTRING(0 0, 20 20)'));
-SELECT 'issimple', ST_issimple('POLYGON((0 0, 0 10, 10 10, 10 0, 0 0),(2 2, 2 4, 4 4, 4 2, 2 2))');
-SELECT 'equals', ST_equals('LINESTRING(0 0, 1 1)', 'LINESTRING(1 1, 0 0)');
-WITH inp AS ( SELECT
- 'POLYGON((0 0, 0 10, 10 10, 10 0, 0 0),(2 2, 2 4, 4 4, 4 2, 2 2))'
-::geometry as g )
-SELECT 'pointonsurface', ST_Contains(g, ST_pointonsurface(g)) from inp;
-SELECT 'centroid', ST_astext(ST_centroid('POLYGON((0 0, 0 10, 10 10, 10 0, 0 0),(2 2, 2 4, 4 4, 4 2, 2 2))'));
-SELECT 'exteriorring', ST_astext(ST_exteriorring(ST_PolygonFromText('POLYGON((52 18,66 23,73 9,48 6,52 18),(59 18,67 18,67 13,59 13,59 18))')));
-SELECT 'polygonize_garray', ST_astext(ST_polygonize('{0102000000020000000000000000000000000000000000000000000000000024400000000000000000:0102000000020000000000000000002440000000000000000000000000000000000000000000000000:0102000000020000000000000000002440000000000000244000000000000000000000000000000000:0102000000020000000000000000002440000000000000244000000000000024400000000000000000:0102000000020000000000000000002440000000000000244000000000000000000000000000002440:0102000000020000000000000000000000000000000000244000000000000000000000000000002440:0102000000020000000000000000000000000000000000244000000000000024400000000000002440:0102000000020000000000000000000000000000000000244000000000000000000000000000000000:0102000000020000000000000000000000000000000000244000000000000024400000000000000000}'::geometry[]));
-
-SELECT 'polygonize_garray', ST_astext(ST_geometryn(ST_polygonize('{LINESTRING(0 0, 10 0):LINESTRING(10 0, 10 10):LINESTRING(10 10, 0 10):LINESTRING(0 10, 0 0)}'::geometry[]), 1));
-
-select 'linemerge149', ST_asewkt(ST_linemerge('GEOMETRYCOLLECTION(LINESTRING(0 0, 1 1), LINESTRING(4 4, 1 1), LINESTRING(-5 -5, 0 0))'::geometry));
-
---- postgis-devel/2005-December/001784.html
-select 'intersects', ST_intersects(
-   ST_polygonfromtext('POLYGON((0.0 0.0,1.0 0.0,1.0 1.0,1.0 0.0,0.0 0.0))'),
-      ST_polygonfromtext('POLYGON((0.0 2.0,1.0 2.0,1.0 3.0,0.0 3.0,0.0 2.0))')
-      );
-
-select 'ST_GeometryN', ST_asewkt(ST_GeometryN('LINESTRING(0 0, 1 1)'::geometry, 1));
-select 'ST_NumGeometries', ST_NumGeometries('LINESTRING(0 0, 1 1)'::geometry);
-select 'ST_Union1', ST_AsText(ST_Union(ARRAY['POLYGON((0 0, 0 1, 1 1, 1 0, 0 0))'::geometry, 'POLYGON((0.5 0.5, 1.5 0.5, 1.5 1.5, 0.5 1.5, 0.5 0.5))'::geometry]));
-select 'ST_StartPoint1',ST_AsText(ST_StartPoint('LINESTRING(0 0, 1 1, 2 2)'));
-select 'ST_EndPoint1', ST_AsText(ST_Endpoint('LINESTRING(0 0, 1 1, 2 2)'));
-select 'ST_PointN1', ST_AsText(ST_PointN('LINESTRING(0 0, 1 1, 2 2)',2));
-select 'ST_PointN2', ST_AsText(ST_PointN('LINESTRING(0 0, 1 1, 2 2)',3));
-select 'ST_PointN3',  ST_AsText(ST_PointN('LINESTRING(0 0, 1 1, 2 2)',4));
-select 'ST_PointN4', ST_AsText(ST_PointN('LINESTRING(0 0, 1 1, 2 2)',0));
-select 'ST_PointN5', ST_AsText(ST_PointN('LINESTRING(0 0, 1 1, 2 2)',1));
-select 'ST_PointN6', ST_AsText(ST_PointN('POLYGON((0 0, 1 1, 0 1, 0 0))',1));
-
--- issues with EMPTY --
-select 'ST_Buffer(empty)', ST_AsText(ST_Buffer('POLYGON EMPTY', 0.5));
+\cd :regdir
+\i regress_ogc.sql