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|
#Creating the spatial Geometry object
USE test;
CREATE TABLE gis_geometrycollection (fid INTEGER NOT NULL PRIMARY KEY, g GEOMETRY);
SET @star_elem_vertical= 'POLYGON((5 0,15 25,25 0,15 5,5 0))';
SET @star_elem_horizontal= 'POLYGON((25 0,0 15,30 15,22 10,25 0))';
SET @star_center= 'POINT(15 10)';
SET @star_top= 'POINT(15 25)';
SET @star_bottom_left= 'POINT(5 0)';
SET @star_bottom_right= 'POINT(25 0)';
SET @star_bottom_points= 'MULTIPOINT(5 0,25 0)';
SET @star_all_points= 'MULTIPOINT(5 0,25 0,15 10,15 25)';
SET @star_line_horizontal= 'LINESTRING(10 15,20 15)';
SET @star_line_vertical= 'LINESTRING(15 5,15 25)';
SET @star_top_to_center= 'LINESTRING(15 25,15 10)';
SET @star_lines_near_horizontal= 'MULTILINESTRING((25 0,0 15,15 30,0 5))';
SET @star_lines_near_vertical= 'MULTILINESTRING((0 5,15 25,0 25))';
SET @star= 'POLYGON((5 0,7 10,0 15,10 15,15 25,20 15,30 15,22 10,25 0,15 5,5 0))';
SET @star_elem_vertical_val= '((5 0,15 25,25 0,15 5,5 0))';
SET @star_elem_horizontal_val= '((25 0,0 15,30 15,22 10,25 0))';
SET @star_of_elems='MULTIPOLYGON(((5 0,15 25,25 0,15 5,5 0)),((25 0,0 15,30 15,22 10,25 0)))';
SET @star_collection_elems='GEOMETRYCOLLECTION(MULTIPOLYGON(((5 0,15 25,25 0,15 5,5 0)),((25 0,0 15,30 15,22 10,25 0))),POLYGON((5 0,7 10,0 15,10 15,15 25,20 15,30 15,22 10,25 0,15 5,5 0)),LINESTRING(15 25,15 10),MULTIPOINT(5 0,25 0),POINT(15 25))';
SET @star_collection_multilinestr='GEOMETRYCOLLECTION(MULTIPOLYGON(((5 0,15 25,25 0,15 5,5 0)),((25 0,0 15,30 15,22 10,25 0))),POLYGON((5 0,7 10,0 15,10 15,15 25,20 15,30 15,22 10,25 0,15 5,5 0)),MULTILINESTRING((25 0,0 15,15 30,0 5)),LINESTRING(15 25,15 10),MULTIPOINT(5 0,25 0),POINT(15 25))';
SET @star_elem_vertical_1= 'POLYGON((5 0,15 25,25 0,15 5,5 0))';
SET @star_elem_horizontal_1= 'POLYGON((25 0,0 15,30 15,22 10,25 0))';
SET @star_center_1= 'POINT(15 10)';
SET @star_top_1= 'POINT(15 25)';
SET @star_bottom_left_1= 'POINT(5 0)';
SET @star_bottom_right_1= 'POINT(25 0)';
SET @star_bottom_points_1= 'MULTIPOINT(5 0,25 0)';
SET @star_all_points_1= 'MULTIPOINT(5 0,25 0,15 10,15 25)';
SET @star_line_horizontal_1= 'LINESTRING(10 15,20 15)';
SET @star_line_vertical_1= 'LINESTRING(15 5,15 25)';
SET @star_top_to_center_1= 'LINESTRING(15 25,15 10)';
SET @star_lines_near_horizontal_1= 'MULTILINESTRING((25 0,0 15,15 30,0 5))';
SET @star_lines_near_vertical_1= 'MULTILINESTRING((0 5,15 25,0 25))';
SET @star_1= 'POLYGON((5 0,7 10,0 15,10 15,15 25,20 15,30 15,22 10,25 0,15 5,5 0))';
SET @star_elem_vertical_val_1= '((5 0,15 25,25 0,15 5,5 0))';
SET @star_elem_horizontal_val_1= '((25 0,0 15,30 15,22 10,25 0))';
SET @star_of_elems_1='MULTIPOLYGON(((5 0,15 25,25 0,15 5,5 0)),((25 0,0 15,30 15,22 10,25 0)))';
SET @star_collection_elems_1='GEOMETRYCOLLECTION(MULTIPOLYGON(((5 0,15 25,25 0,15 5,5 0)),((25 0,0 15,30 15,22 10,25 0))),POLYGON((5 0,7 10,0 15,10 15,15 25,20 15,30 15,22 10,25 0,15 5,5 0)),LINESTRING(15 25,15 10),MULTIPOINT(5 0,25 0),POINT(15 25))';
SET @star_elem_vertical_2= 'POLYGON((15 0,25 25,35 0,25 5,15 0))';
SET @star_elem_horizontal_2= 'POLYGON((35 0,10 15,40 15,32 10,35 0))';
SET @star_center_2= 'POINT(25 10)';
SET @star_top_2= 'POINT(25 25)';
SET @star_bottom_left_2= 'POINT(15 0)';
SET @star_bottom_right_2= 'POINT(35 0)';
SET @star_bottom_points_2= 'MULTIPOINT(15 0,35 0)';
SET @star_all_points_2= 'MULTIPOINT(15 0,35 0,35 10,25 25)';
SET @star_line_horizontal_2= 'LINESTRING(20 15,30 15)';
SET @star_line_vertical_2= 'LINESTRING(25 5,25 25)';
SET @star_top_to_center_2= 'LINESTRING(25 25,25 10)';
SET @star_lines_near_horizontal_2= 'MULTILINESTRING((35 0,10 15,25 30,10 5))';
SET @star_lines_near_vertical_2= 'MULTILINESTRING((10 5,25 25,10 25))';
SET @star_2= 'POLYGON((15 0,17 10,10 15,20 15,25 25,30 15,40 15,32 10,35 0,25 5,15 0))';
SET @star_elem_vertical_val_2= '((15 0,25 25,35 0,25 5,15 0))';
SET @star_elem_horizontal_val_2= '((35 0,10 15,40 15,32 10,35 0))';
SET @star_of_elems_2='MULTIPOLYGON(((15 0,25 25,35 0,25 5,15 0)),((35 0,10 15,40 15,32 10,35 0)))';
SET @star_collection_elems_2='GEOMETRYCOLLECTION(MULTIPOLYGON(((15 0,25 25,35 0,25 5,15 0)),((35 0,10 15,40 15,32 10,35 0))),POLYGON((15 0,17 10,10 15,20 15,25 25,30 15,40 15,32 10,35 0,25 5,15 0)),LINESTRING(25 25,25 10),MULTIPOINT(15 0,35 0),POINT(25 25))';
SET @star_elem_vertical_3= 'POLYGON((65 0,75 25,85 0,75 5,65 0))';
SET @star_elem_horizontal_3= 'POLYGON((85 0,60 15,90 15,82 10,85 0))';
SET @star_center_3= 'POINT(75 10)';
SET @star_top_3= 'POINT(75 25)';
SET @star_bottom_left_3= 'POINT(65 0)';
SET @star_bottom_right_3= 'POINT(85 0)';
SET @star_bottom_points_3= 'MULTIPOINT(65 0,85 0)';
SET @star_all_points_3= 'MULTIPOINT(65 0,85 0,75 10,75 25)';
SET @star_line_horizontal_3= 'LINESTRING(70 15,80 15)';
SET @star_line_vertical_3= 'LINESTRING(75 5,75 25)';
SET @star_top_to_center_3= 'LINESTRING(75 25,75 10)';
SET @star_lines_near_horizontal_3= 'MULTILINESTRING((85 0,60 15,85 30,60 5))';
SET @star_lines_near_vertical_3= 'MULTILINESTRING((60 5,75 25,60 25))';
SET @star_3= 'POLYGON((65 0,67 10,60 15,70 15,75 25,80 15,90 15,82 10,85 0,75 5,65 0))';
SET @star_elem_vertical_val_3= '((65 0,75 25,85 0,75 5,65 0))';
SET @star_elem_horizontal_val_3= '((85 0,60 15,90 15,82 10,85 0))';
SET @star_of_elems_3='MULTIPOLYGON(((65 0,75 25,85 0,75 5,65 0)),((85 0,60 15,90 15,82 10,85 0)))';
SET @star_collection_elems_3='GEOMETRYCOLLECTION(MULTIPOLYGON(((65 0,75 25,85 0,75 5,65 0)),((85 0,60 15,90 15,82 10,85 0))),POLYGON((65 0,67 10,60 15,70 15,75 25,80 15,90 15,82 10,85 0,75 5,65 0)),LINESTRING(75 25,75 10),MULTIPOINT(65 0,85 0),POINT(75 25))';
#INSERT base star
INSERT INTO gis_geometrycollection VALUES
(100,ST_GEOMFROMTEXT(@star)),
(101,ST_GEOMFROMTEXT(@star_elem_vertical)),
(102,ST_GEOMFROMTEXT(@star_elem_horizontal)),
(103,ST_GEOMFROMTEXT(@star_of_elems)),
(104,ST_GEOMFROMTEXT(@star_top)),
(105,ST_GEOMFROMTEXT(@star_center)),
(106,ST_GEOMFROMTEXT(@star_bottom_left)),
(107,ST_GEOMFROMTEXT(@star_bottom_right)),
(108,ST_GEOMFROMTEXT(@star_bottom_points)),
(109,ST_GEOMFROMTEXT(@star_all_points)),
(110,ST_GEOMFROMTEXT(@star_line_horizontal)),
(111,ST_GEOMFROMTEXT(@star_line_vertical)),
(112,ST_GEOMFROMTEXT(@star_top_to_center)),
(113,ST_GEOMFROMTEXT(@star_lines_near_horizontal)),
(114,ST_GEOMFROMTEXT(@star_lines_near_vertical)),
(115,ST_GEOMFROMTEXT(@star_collection_elems));
#INSERT identical (to base) star
INSERT INTO gis_geometrycollection VALUES
(200,ST_GEOMFROMTEXT(@star_1)),
(201,ST_GEOMFROMTEXT(@star_elem_vertical_1)),
(202,ST_GEOMFROMTEXT(@star_elem_horizontal_1)),
(203,ST_GEOMFROMTEXT(@star_of_elems_1)),
(204,ST_GEOMFROMTEXT(@star_top_1)),
(205,ST_GEOMFROMTEXT(@star_center_1)),
(206,ST_GEOMFROMTEXT(@star_bottom_left_1)),
(207,ST_GEOMFROMTEXT(@star_bottom_right_1)),
(208,ST_GEOMFROMTEXT(@star_bottom_points_1)),
(209,ST_GEOMFROMTEXT(@star_all_points_1)),
(210,ST_GEOMFROMTEXT(@star_line_horizontal_1)),
(211,ST_GEOMFROMTEXT(@star_line_vertical_1)),
(212,ST_GEOMFROMTEXT(@star_top_to_center_1)),
(213,ST_GEOMFROMTEXT(@star_lines_near_horizontal_1)),
(214,ST_GEOMFROMTEXT(@star_lines_near_vertical_1)),
(215,ST_GEOMFROMTEXT(@star_collection_elems_1));
#INSERT overlapping star
INSERT INTO gis_geometrycollection VALUES
(300,ST_GEOMFROMTEXT(@star_2)),
(301,ST_GEOMFROMTEXT(@star_elem_vertical_2)),
(302,ST_GEOMFROMTEXT(@star_elem_horizontal_2)),
(303,ST_GEOMFROMTEXT(@star_of_elems_2)),
(304,ST_GEOMFROMTEXT(@star_top_2)),
(305,ST_GEOMFROMTEXT(@star_center_2)),
(306,ST_GEOMFROMTEXT(@star_bottom_left_2)),
(307,ST_GEOMFROMTEXT(@star_bottom_right_2)),
(308,ST_GEOMFROMTEXT(@star_bottom_points_2)),
(309,ST_GEOMFROMTEXT(@star_all_points_2)),
(310,ST_GEOMFROMTEXT(@star_line_horizontal_2)),
(311,ST_GEOMFROMTEXT(@star_line_vertical_2)),
(312,ST_GEOMFROMTEXT(@star_top_to_center_2)),
(313,ST_GEOMFROMTEXT(@star_lines_near_horizontal_2)),
(314,ST_GEOMFROMTEXT(@star_lines_near_vertical_2)),
(315,ST_GEOMFROMTEXT(@star_collection_elems_2));
#INSERT separate star
INSERT INTO gis_geometrycollection VALUES
(400,ST_GEOMFROMTEXT(@star_3)),
(401,ST_GEOMFROMTEXT(@star_elem_vertical_3)),
(402,ST_GEOMFROMTEXT(@star_elem_horizontal_3)),
(403,ST_GEOMFROMTEXT(@star_of_elems_3)),
(404,ST_GEOMFROMTEXT(@star_top_3)),
(405,ST_GEOMFROMTEXT(@star_center_3)),
(406,ST_GEOMFROMTEXT(@star_bottom_left_3)),
(407,ST_GEOMFROMTEXT(@star_bottom_right_3)),
(408,ST_GEOMFROMTEXT(@star_bottom_points_3)),
(409,ST_GEOMFROMTEXT(@star_all_points_3)),
(410,ST_GEOMFROMTEXT(@star_line_horizontal_3)),
(411,ST_GEOMFROMTEXT(@star_line_vertical_3)),
(412,ST_GEOMFROMTEXT(@star_top_to_center_3)),
(413,ST_GEOMFROMTEXT(@star_lines_near_horizontal_3)),
(414,ST_GEOMFROMTEXT(@star_lines_near_vertical_3)),
(415,ST_GEOMFROMTEXT(@star_collection_elems_3));
CREATE TABLE gis_geometrycollection_2 SELECT fid as fid2,g as g2 FROM gis_geometrycollection;
#Checking the integrity of the above create/insert statements
#64 rows.
SELECT count(ST_ASTEXT(g) != 'NULL') FROM gis_geometrycollection;
count(ST_ASTEXT(g) != 'NULL')
64
#64 rows.
SELECT count(ST_ASTEXT(g2) != 'NULL') FROM gis_geometrycollection_2;
count(ST_ASTEXT(g2) != 'NULL')
64
#####################################################################################
# ST_DIFFERENCE(g1,g2)
#####################################################################################
#====================================================================================
# point,point
#====================================================================================
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_center),ST_GEOMFROMTEXT(@star_center)));
ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_center),ST_GEOMFROMTEXT(@star_center)))
GEOMETRYCOLLECTION EMPTY
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_top),ST_GEOMFROMTEXT(@star_center)));
ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_top),ST_GEOMFROMTEXT(@star_center)))
POINT(15 25)
SELECT ST_ASTEXT(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_center))) FROM gis_geometrycollection WHERE fid=105;
ST_ASTEXT(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_center)))
GEOMETRYCOLLECTION EMPTY
#====================================================================================
# point,multipoint
#====================================================================================
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_bottom_left),ST_GEOMFROMTEXT(@star_bottom_points)));
ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_bottom_left),ST_GEOMFROMTEXT(@star_bottom_points)))
GEOMETRYCOLLECTION EMPTY
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_center),ST_GEOMFROMTEXT(@star_bottom_points)));
ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_center),ST_GEOMFROMTEXT(@star_bottom_points)))
POINT(15 10)
SELECT ST_ASTEXT(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_bottom_points))) FROM gis_geometrycollection WHERE fid=106;
ST_ASTEXT(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_bottom_points)))
GEOMETRYCOLLECTION EMPTY
#====================================================================================
# point,linestring
#====================================================================================
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_top),ST_GEOMFROMTEXT(@star_top_to_center)));
ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_top),ST_GEOMFROMTEXT(@star_top_to_center)))
GEOMETRYCOLLECTION EMPTY
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_bottom_left),ST_GEOMFROMTEXT(@star_top_to_center)));
ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_bottom_left),ST_GEOMFROMTEXT(@star_top_to_center)))
POINT(5 0)
SELECT ST_ASTEXT(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_top_to_center))) FROM gis_geometrycollection WHERE fid=104;
ST_ASTEXT(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_top_to_center)))
GEOMETRYCOLLECTION EMPTY
#====================================================================================
# point,multilinestring
#====================================================================================
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_top),ST_GEOMFROMTEXT(@star_lines_near_vertical)));
ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_top),ST_GEOMFROMTEXT(@star_lines_near_vertical)))
GEOMETRYCOLLECTION EMPTY
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_center),ST_GEOMFROMTEXT(@star_lines_near_vertical)));
ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_center),ST_GEOMFROMTEXT(@star_lines_near_vertical)))
POINT(15 10)
SELECT ST_ASTEXT(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_lines_near_vertical))) FROM gis_geometrycollection WHERE fid=104;
ST_ASTEXT(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_lines_near_vertical)))
GEOMETRYCOLLECTION EMPTY
#====================================================================================
# point,polygon
#====================================================================================
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_top),ST_GEOMFROMTEXT(@star)));
ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_top),ST_GEOMFROMTEXT(@star)))
GEOMETRYCOLLECTION EMPTY
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_top_3),ST_GEOMFROMTEXT(@star)));
ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_top_3),ST_GEOMFROMTEXT(@star)))
POINT(75 25)
SELECT ST_ASTEXT(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star))) FROM gis_geometrycollection WHERE fid=104;
ST_ASTEXT(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star)))
GEOMETRYCOLLECTION EMPTY
#====================================================================================
# point,multipolygon
#====================================================================================
#====================================================================================
# point,geometrycollection
#====================================================================================
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT('POINT(0 0)'),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION()')));
ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT('POINT(0 0)'),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION()')))
POINT(0 0)
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT('POINT(0 0)'),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(GEOMETRYCOLLECTION()))')));
ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT('POINT(0 0)'),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(GEOMETRYCOLLECTION()))')))
POINT(0 0)
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT('POINT(4 4)'),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POINT(3 3),LINESTRING(0 0,1 1))')));
ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT('POINT(4 4)'),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POINT(3 3),LINESTRING(0 0,1 1))')))
POINT(4 4)
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT('POINT(4 4)'),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POINT(3 3),POLYGON((0 0,0 5,5 5,5 0,0 0)))')));
ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT('POINT(4 4)'),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POINT(3 3),POLYGON((0 0,0 5,5 5,5 0,0 0)))')))
GEOMETRYCOLLECTION EMPTY
#====================================================================================
# multipoint,point
#====================================================================================
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_all_points),ST_GEOMFROMTEXT(@star_top)),ST_GEOMFROMTEXT('MULTIPOINT((5 0),(15 10),(25 0))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_all_points),ST_GEOMFROMTEXT(@star_top)),ST_GEOMFROMTEXT('MULTIPOINT((5 0),(15 10),(25 0))'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_bottom_points),ST_GEOMFROMTEXT(@star_center)),ST_GEOMFROMTEXT('MULTIPOINT((5 0),(25 0))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_bottom_points),ST_GEOMFROMTEXT(@star_center)),ST_GEOMFROMTEXT('MULTIPOINT((5 0),(25 0))'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_bottom_left)),ST_GEOMFROMTEXT('POINT(25 0)')) FROM gis_geometrycollection WHERE fid=108;
ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_bottom_left)),ST_GEOMFROMTEXT('POINT(25 0)'))
1
#====================================================================================
# multipoint,multipoint
#====================================================================================
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_all_points),ST_GEOMFROMTEXT(@star_bottom_points)),ST_GEOMFROMTEXT('MULTIPOINT((15 10),(15 25))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_all_points),ST_GEOMFROMTEXT(@star_bottom_points)),ST_GEOMFROMTEXT('MULTIPOINT((15 10),(15 25))'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_bottom_points),ST_GEOMFROMTEXT(@star_all_points)),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_bottom_points),ST_GEOMFROMTEXT(@star_all_points)),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_all_points),ST_GEOMFROMTEXT(@star_all_points_1)),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_all_points),ST_GEOMFROMTEXT(@star_all_points_1)),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_all_points)),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY')) FROM gis_geometrycollection WHERE fid=108;
ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_all_points)),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY'))
1
#====================================================================================
# multipoint,linestring
#====================================================================================
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_all_points),ST_GEOMFROMTEXT(@star_top_to_center)),ST_GEOMFROMTEXT('MULTIPOINT((5 0),(25 0))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_all_points),ST_GEOMFROMTEXT(@star_top_to_center)),ST_GEOMFROMTEXT('MULTIPOINT((5 0),(25 0))'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_all_points),ST_GEOMFROMTEXT(@star_top_to_center)),ST_GEOMFROMTEXT('MULTIPOINT((5 0),(25 0))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_all_points),ST_GEOMFROMTEXT(@star_top_to_center)),ST_GEOMFROMTEXT('MULTIPOINT((5 0),(25 0))'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_top_to_center)),ST_GEOMFROMTEXT('MULTIPOINT((5 0),(25 0))')) FROM gis_geometrycollection WHERE fid=109;
ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_top_to_center)),ST_GEOMFROMTEXT('MULTIPOINT((5 0),(25 0))'))
1
#====================================================================================
# multipoint,multilinestring
#====================================================================================
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_all_points),ST_GEOMFROMTEXT(@star_lines_near_vertical)),ST_GEOMFROMTEXT('MULTIPOINT((5 0),(15 10),(25 0))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_all_points),ST_GEOMFROMTEXT(@star_lines_near_vertical)),ST_GEOMFROMTEXT('MULTIPOINT((5 0),(15 10),(25 0))'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_all_points),ST_GEOMFROMTEXT(@star_lines_near_horizontal)),ST_GEOMFROMTEXT('MULTIPOINT((5 0),(15 10),(15 25))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_all_points),ST_GEOMFROMTEXT(@star_lines_near_horizontal)),ST_GEOMFROMTEXT('MULTIPOINT((5 0),(15 10),(15 25))'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_lines_near_horizontal)),ST_GEOMFROMTEXT('MULTIPOINT((5 0),(15 10),(15 25))')) FROM gis_geometrycollection WHERE fid=109;
ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_lines_near_horizontal)),ST_GEOMFROMTEXT('MULTIPOINT((5 0),(15 10),(15 25))'))
1
#====================================================================================
# multipoint,polygon
#====================================================================================
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_all_points),ST_GEOMFROMTEXT(@star_elem_vertical)),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_all_points),ST_GEOMFROMTEXT(@star_elem_vertical)),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_all_points),ST_GEOMFROMTEXT(@star_elem_horizontal)),ST_GEOMFROMTEXT('MULTIPOINT((5 0),(15 25))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_all_points),ST_GEOMFROMTEXT(@star_elem_horizontal)),ST_GEOMFROMTEXT('MULTIPOINT((5 0),(15 25))'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_elem_horizontal)),ST_GEOMFROMTEXT('MULTIPOINT((5 0),(15 25))')) FROM gis_geometrycollection WHERE fid=109;
ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_elem_horizontal)),ST_GEOMFROMTEXT('MULTIPOINT((5 0),(15 25))'))
1
#====================================================================================
# multipoint,multipolygon
#====================================================================================
#====================================================================================
# multipoint,geometrycollection
#====================================================================================
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('MULTIPOINT(0 0,10 10)'),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION()')),ST_GEOMFROMTEXT('MULTIPOINT((0 0),(10 10))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('MULTIPOINT(0 0,10 10)'),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION()')),ST_GEOMFROMTEXT('MULTIPOINT((0 0),(10 10))'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('MULTIPOINT(0 0,1 1,2 2)'),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(GEOMETRYCOLLECTION()))')),ST_GEOMFROMTEXT('MULTIPOINT((0 0),(1 1),(2 2))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('MULTIPOINT(0 0,1 1,2 2)'),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(GEOMETRYCOLLECTION()))')),ST_GEOMFROMTEXT('MULTIPOINT((0 0),(1 1),(2 2))'))
1
#====================================================================================
# linestring,point
#====================================================================================
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_top_to_center),ST_GEOMFROMTEXT(@star_center)),ST_GEOMFROMTEXT('LINESTRING(15 25,15 10)'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_top_to_center),ST_GEOMFROMTEXT(@star_center)),ST_GEOMFROMTEXT('LINESTRING(15 25,15 10)'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('LINESTRING(15 25,15 10)'),ST_GEOMFROMTEXT('POINT(15 10)')),ST_GEOMFROMTEXT('LINESTRING(15 25,15 10)'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('LINESTRING(15 25,15 10)'),ST_GEOMFROMTEXT('POINT(15 10)')),ST_GEOMFROMTEXT('LINESTRING(15 25,15 10)'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_top_to_center),ST_GEOMFROMTEXT(@star_bottom_left)),ST_GEOMFROMTEXT('LINESTRING(15 25,15 10)'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_top_to_center),ST_GEOMFROMTEXT(@star_bottom_left)),ST_GEOMFROMTEXT('LINESTRING(15 25,15 10)'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(g,g2),ST_GEOMFROMTEXT('LINESTRING(10 15,20 15)')) FROM gis_geometrycollection,gis_geometrycollection_2 WHERE fid=110 and fid2=105;
ST_EQUALS(ST_DIFFERENCE(g,g2),ST_GEOMFROMTEXT('LINESTRING(10 15,20 15)'))
1
#====================================================================================
# linestring,multipoint
#====================================================================================
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_line_vertical),ST_GEOMFROMTEXT('MULTIPOINT(15 10,15 25)')),ST_GEOMFROMTEXT('LINESTRING(15 5,15 25)'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_line_vertical),ST_GEOMFROMTEXT('MULTIPOINT(15 10,15 25)')),ST_GEOMFROMTEXT('LINESTRING(15 5,15 25)'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_line_vertical),ST_GEOMFROMTEXT(@star_all_points)),ST_GEOMFROMTEXT('LINESTRING(15 5,15 25)'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_line_vertical),ST_GEOMFROMTEXT(@star_all_points)),ST_GEOMFROMTEXT('LINESTRING(15 5,15 25)'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT('MULTIPOINT(15 10,15 25)')),ST_GEOMFROMTEXT('LINESTRING(15 5,15 25)')) FROM gis_geometrycollection WHERE fid=111;
ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT('MULTIPOINT(15 10,15 25)')),ST_GEOMFROMTEXT('LINESTRING(15 5,15 25)'))
1
#====================================================================================
# linestring,linestring
#====================================================================================
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_line_vertical),ST_GEOMFROMTEXT(@star_top_to_center)),ST_GEOMFROMTEXT('LINESTRING(15 5,15 10)'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_line_vertical),ST_GEOMFROMTEXT(@star_top_to_center)),ST_GEOMFROMTEXT('LINESTRING(15 5,15 10)'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_top_to_center),ST_GEOMFROMTEXT(@star_line_vertical)),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_top_to_center),ST_GEOMFROMTEXT(@star_line_vertical)),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_top_to_center),ST_GEOMFROMTEXT(@star_top_to_center_1)),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_top_to_center),ST_GEOMFROMTEXT(@star_top_to_center_1)),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_top_to_center)),ST_GEOMFROMTEXT('LINESTRING(15 5,15 10)')) FROM gis_geometrycollection WHERE fid=111;
ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_top_to_center)),ST_GEOMFROMTEXT('LINESTRING(15 5,15 10)'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('LINESTRING(0 0,10 10)'),ST_GEOMFROMTEXT('LINESTRING(3 3,4 4,5 5)')),ST_GEOMFROMTEXT('MULTILINESTRING((0 0,3 3),(5 5,10 10))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('LINESTRING(0 0,10 10)'),ST_GEOMFROMTEXT('LINESTRING(3 3,4 4,5 5)')),ST_GEOMFROMTEXT('MULTILINESTRING((0 0,3 3),(5 5,10 10))'))
1
#====================================================================================
# linestring,multilinestring
#====================================================================================
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_line_horizontal),ST_GEOMFROMTEXT(@star_lines_near_horizontal)),ST_GEOMFROMTEXT('LINESTRING(10 15,20 15)'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_line_horizontal),ST_GEOMFROMTEXT(@star_lines_near_horizontal)),ST_GEOMFROMTEXT('LINESTRING(10 15,20 15)'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_line_horizontal),ST_GEOMFROMTEXT(@star_lines_near_vertical)),ST_GEOMFROMTEXT('LINESTRING(10 15,20 15)'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_line_horizontal),ST_GEOMFROMTEXT(@star_lines_near_vertical)),ST_GEOMFROMTEXT('LINESTRING(10 15,20 15)'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_lines_near_horizontal)),ST_GEOMFROMTEXT('LINESTRING(10 15,20 15)')) FROM gis_geometrycollection WHERE fid=110;
ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_lines_near_horizontal)),ST_GEOMFROMTEXT('LINESTRING(10 15,20 15)'))
1
#====================================================================================
# linestring,polygon
#====================================================================================
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_line_horizontal),ST_GEOMFROMTEXT('POLYGON((11 15,19 15,19 10,11 15))')),ST_GEOMFROMTEXT('MULTILINESTRING((10 15,11 15),(19 15,20 15))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_line_horizontal),ST_GEOMFROMTEXT('POLYGON((11 15,19 15,19 10,11 15))')),ST_GEOMFROMTEXT('MULTILINESTRING((10 15,11 15),(19 15,20 15))'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_line_horizontal),ST_GEOMFROMTEXT(@star_elem_horizontal)),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_line_horizontal),ST_GEOMFROMTEXT(@star_elem_horizontal)),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT('POLYGON((11 15,19 15,19 10,11 15))')),ST_GEOMFROMTEXT('MULTILINESTRING((10 15,11 15),(19 15,20 15))')) FROM gis_geometrycollection WHERE fid=110;
ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT('POLYGON((11 15,19 15,19 10,11 15))')),ST_GEOMFROMTEXT('MULTILINESTRING((10 15,11 15),(19 15,20 15))'))
1
#====================================================================================
# linestring,multipolygon
#====================================================================================
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_line_horizontal),ST_GEOMFROMTEXT('MULTIPOLYGON(((11 15,19 15,19 25,11 15)))')),ST_GEOMFROMTEXT('MULTILINESTRING((10 15,11 15),(19 15,20 15))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_line_horizontal),ST_GEOMFROMTEXT('MULTIPOLYGON(((11 15,19 15,19 25,11 15)))')),ST_GEOMFROMTEXT('MULTILINESTRING((10 15,11 15),(19 15,20 15))'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT('MULTIPOLYGON(((11 15,19 15,19 25,11 15)),((25 0,0 15,25 10,25 0)))')),ST_GEOMFROMTEXT('MULTILINESTRING((10 15,11 15),(19 15,20 15))')) FROM gis_geometrycollection WHERE fid=110;
ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT('MULTIPOLYGON(((11 15,19 15,19 25,11 15)),((25 0,0 15,25 10,25 0)))')),ST_GEOMFROMTEXT('MULTILINESTRING((10 15,11 15),(19 15,20 15))'))
1
#====================================================================================
# linestring,geometrycollection
#====================================================================================
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_line_horizontal),ST_GEOMFROMTEXT(@star_collection_elems_3)),ST_GEOMFROMTEXT('LINESTRING(10 15,20 15)'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_line_horizontal),ST_GEOMFROMTEXT(@star_collection_elems_3)),ST_GEOMFROMTEXT('LINESTRING(10 15,20 15)'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_collection_elems_3)),ST_GEOMFROMTEXT('LINESTRING(10 15,20 15)')) FROM gis_geometrycollection WHERE fid=110;
ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_collection_elems_3)),ST_GEOMFROMTEXT('LINESTRING(10 15,20 15)'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('LINESTRING(0 0,10 10)'),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION()')),ST_GEOMFROMTEXT('LINESTRING(0 0,10 10)'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('LINESTRING(0 0,10 10)'),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION()')),ST_GEOMFROMTEXT('LINESTRING(0 0,10 10)'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('LINESTRING(0 0,1 1,2 2)'),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(GEOMETRYCOLLECTION()))')),ST_GEOMFROMTEXT('LINESTRING(0 0,1 1,2 2)'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('LINESTRING(0 0,1 1,2 2)'),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(GEOMETRYCOLLECTION()))')),ST_GEOMFROMTEXT('LINESTRING(0 0,1 1,2 2)'))
1
#====================================================================================
# multilinestring,point
#====================================================================================
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_lines_near_vertical),ST_GEOMFROMTEXT(@star_top)),ST_GEOMFROMTEXT('LINESTRING(0 5,15 25,0 25)'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_lines_near_vertical),ST_GEOMFROMTEXT(@star_top)),ST_GEOMFROMTEXT('LINESTRING(0 5,15 25,0 25)'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_lines_near_vertical),ST_GEOMFROMTEXT(@star_center)),ST_GEOMFROMTEXT('LINESTRING(0 5,15 25,0 25)'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_lines_near_vertical),ST_GEOMFROMTEXT(@star_center)),ST_GEOMFROMTEXT('LINESTRING(0 5,15 25,0 25)'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_top)),ST_GEOMFROMTEXT('LINESTRING(0 5,15 25,0 25)')) FROM gis_geometrycollection WHERE fid=114;
ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_top)),ST_GEOMFROMTEXT('LINESTRING(0 5,15 25,0 25)'))
1
#====================================================================================
# multilinestring,multipoint
#====================================================================================
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_lines_near_vertical),ST_GEOMFROMTEXT(@star_bottom_points)),ST_GEOMFROMTEXT('LINESTRING(0 5,15 25,0 25)'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_lines_near_vertical),ST_GEOMFROMTEXT(@star_bottom_points)),ST_GEOMFROMTEXT('LINESTRING(0 5,15 25,0 25)'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_lines_near_vertical),ST_GEOMFROMTEXT(@star_all_points)),ST_GEOMFROMTEXT('LINESTRING(0 5,15 25,0 25)'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_lines_near_vertical),ST_GEOMFROMTEXT(@star_all_points)),ST_GEOMFROMTEXT('LINESTRING(0 5,15 25,0 25)'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_bottom_points)),ST_GEOMFROMTEXT('LINESTRING(0 5,15 25,0 25)')) FROM gis_geometrycollection WHERE fid=114;
ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_bottom_points)),ST_GEOMFROMTEXT('LINESTRING(0 5,15 25,0 25)'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(g,g2),ST_GEOMFROMTEXT('LINESTRING(0 5,15 25,0 25)')) FROM gis_geometrycollection,gis_geometrycollection_2 WHERE fid=114 and fid2=108;
ST_EQUALS(ST_DIFFERENCE(g,g2),ST_GEOMFROMTEXT('LINESTRING(0 5,15 25,0 25)'))
1
#====================================================================================
# multilinestring,linestring
#====================================================================================
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_lines_near_vertical),ST_GEOMFROMTEXT(@star_line_vertical)),ST_GEOMFROMTEXT('LINESTRING(0 5,15 25,0 25)'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_lines_near_vertical),ST_GEOMFROMTEXT(@star_line_vertical)),ST_GEOMFROMTEXT('LINESTRING(0 5,15 25,0 25)'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_lines_near_vertical),ST_GEOMFROMTEXT(@star_line_horizontal)),ST_GEOMFROMTEXT('LINESTRING(0 5,15 25,0 25)'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_lines_near_vertical),ST_GEOMFROMTEXT(@star_line_horizontal)),ST_GEOMFROMTEXT('LINESTRING(0 5,15 25,0 25)'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_line_vertical)),ST_GEOMFROMTEXT('LINESTRING(0 5,15 25,0 25)')) FROM gis_geometrycollection WHERE fid=114;
ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_line_vertical)),ST_GEOMFROMTEXT('LINESTRING(0 5,15 25,0 25)'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('MULTILINESTRING((0 0, 1 1))'),ST_GEOMFROMTEXT('LINESTRING(0 0, 1 1)')),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('MULTILINESTRING((0 0, 1 1))'),ST_GEOMFROMTEXT('LINESTRING(0 0, 1 1)')),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,10 10))'),ST_GEOMFROMTEXT('LINESTRING(3 3,4 4,5 5)')),ST_GEOMFROMTEXT('MULTILINESTRING((0 0,3 3),(5 5,10 10))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,10 10))'),ST_GEOMFROMTEXT('LINESTRING(3 3,4 4,5 5)')),ST_GEOMFROMTEXT('MULTILINESTRING((0 0,3 3),(5 5,10 10))'))
1
#====================================================================================
# multilinestring,multilinestring
#====================================================================================
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_lines_near_vertical),ST_GEOMFROMTEXT('MULTILINESTRING((0 5,15 25,0 15))')),ST_GEOMFROMTEXT('LINESTRING(15 25,0 25)'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_lines_near_vertical),ST_GEOMFROMTEXT('MULTILINESTRING((0 5,15 25,0 15))')),ST_GEOMFROMTEXT('LINESTRING(15 25,0 25)'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_lines_near_vertical),ST_GEOMFROMTEXT(@star_lines_near_horizontal)),ST_GEOMFROMTEXT('LINESTRING(0 5,15 25,0 25)'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_lines_near_vertical),ST_GEOMFROMTEXT(@star_lines_near_horizontal)),ST_GEOMFROMTEXT('LINESTRING(0 5,15 25,0 25)'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT('MULTILINESTRING((0 5,15 25,0 15))')),ST_GEOMFROMTEXT('LINESTRING(15 25,0 25)')) FROM gis_geometrycollection WHERE fid=114;
ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT('MULTILINESTRING((0 5,15 25,0 15))')),ST_GEOMFROMTEXT('LINESTRING(15 25,0 25)'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_line_vertical)),ST_GEOMFROMTEXT('LINESTRING(0 5,15 25,0 25)')) FROM gis_geometrycollection WHERE fid=114;
ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_line_vertical)),ST_GEOMFROMTEXT('LINESTRING(0 5,15 25,0 25)'))
1
#====================================================================================
# multilinestring,polygon
#====================================================================================
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_lines_near_vertical),ST_GEOMFROMTEXT(@star_elem_vertical)),ST_GEOMFROMTEXT('LINESTRING(0 5,15 25,0 25)'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_lines_near_vertical),ST_GEOMFROMTEXT(@star_elem_vertical)),ST_GEOMFROMTEXT('LINESTRING(0 5,15 25,0 25)'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_lines_near_vertical),ST_GEOMFROMTEXT(@star_elem_horizontal)),ST_GEOMFROMTEXT('MULTILINESTRING((0 5,5.172413793103448 11.89655172413793),(7.5 15,15 25,0 25))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_lines_near_vertical),ST_GEOMFROMTEXT(@star_elem_horizontal)),ST_GEOMFROMTEXT('MULTILINESTRING((0 5,5.172413793103448 11.89655172413793),(7.5 15,15 25,0 25))'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_elem_vertical)),ST_GEOMFROMTEXT('LINESTRING(0 5,15 25,0 25)')) FROM gis_geometrycollection WHERE fid=114;
ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_elem_vertical)),ST_GEOMFROMTEXT('LINESTRING(0 5,15 25,0 25)'))
1
#====================================================================================
# multilinestring,multipolygon
#====================================================================================
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('MULTILINESTRING((0 25,25 0,25 30))'),ST_GEOMFROMTEXT(@star_elem_vertical)),ST_GEOMFROMTEXT('MULTILINESTRING((0 25,10.714285714285715 14.285714285714286),(25 0,25 30))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('MULTILINESTRING((0 25,25 0,25 30))'),ST_GEOMFROMTEXT(@star_elem_vertical)),ST_GEOMFROMTEXT('MULTILINESTRING((0 25,10.714285714285715 14.285714285714286),(25 0,25 30))'))
1
#====================================================================================
# multilinestring,geometrycollection
#====================================================================================
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,10 10),(2 2,7 7))'),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION()')),ST_GEOMFROMTEXT('MULTILINESTRING((0 0,10 10),(2 2,7 7))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,10 10),(2 2,7 7))'),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION()')),ST_GEOMFROMTEXT('MULTILINESTRING((0 0,10 10),(2 2,7 7))'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,1 1,2 2))'),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION('
'GEOMETRYCOLLECTION(GEOMETRYCOLLECTION()))')),ST_GEOMFROMTEXT('LINESTRING(0 0,1 1,2 2)'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,1 1,2 2))'),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION('
'GEOMETRYCOLLECTION(GEOMETRYCOLLECTION()))
1
#====================================================================================
# polygon,point
#====================================================================================
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star),ST_GEOMFROMTEXT(@star_center)),ST_GEOMFROMTEXT('POLYGON((5 0,7 10,0 15,10 15,15 25,20 15,30 15,22 10,25 0,15 5,5 0))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star),ST_GEOMFROMTEXT(@star_center)),ST_GEOMFROMTEXT('POLYGON((5 0,7 10,0 15,10 15,15 25,20 15,30 15,22 10,25 0,15 5,5 0))'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_elem_vertical),ST_GEOMFROMTEXT('POINT(0 0)')),ST_GEOMFROMTEXT('POLYGON((5 0,15 25,25 0,15 5,5 0))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_elem_vertical),ST_GEOMFROMTEXT('POINT(0 0)')),ST_GEOMFROMTEXT('POLYGON((5 0,15 25,25 0,15 5,5 0))'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_center)),ST_GEOMFROMTEXT('POLYGON((5 0,7 10,0 15,10 15,15 25,20 15,30 15,22 10,25 0,15 5,5 0))')) FROM gis_geometrycollection WHERE fid=100;
ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_center)),ST_GEOMFROMTEXT('POLYGON((5 0,7 10,0 15,10 15,15 25,20 15,30 15,22 10,25 0,15 5,5 0))'))
1
#====================================================================================
# polygon,multipoint
#====================================================================================
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star),ST_GEOMFROMTEXT(@star_all_points)),ST_GEOMFROMTEXT('POLYGON((5 0,7 10,0 15,10 15,15 25,20 15,30 15,22 10,25 0,15 5,5 0))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star),ST_GEOMFROMTEXT(@star_all_points)),ST_GEOMFROMTEXT('POLYGON((5 0,7 10,0 15,10 15,15 25,20 15,30 15,22 10,25 0,15 5,5 0))'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_elem_vertical),ST_GEOMFROMTEXT('MULTIPOINT(0 0,30 25)')),ST_GEOMFROMTEXT('POLYGON((5 0,15 25,25 0,15 5,5 0))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_elem_vertical),ST_GEOMFROMTEXT('MULTIPOINT(0 0,30 25)')),ST_GEOMFROMTEXT('POLYGON((5 0,15 25,25 0,15 5,5 0))'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_all_points)),ST_GEOMFROMTEXT('POLYGON((5 0,7 10,0 15,10 15,15 25,20 15,30 15,22 10,25 0,15 5,5 0))')) FROM gis_geometrycollection WHERE fid=100;
ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_all_points)),ST_GEOMFROMTEXT('POLYGON((5 0,7 10,0 15,10 15,15 25,20 15,30 15,22 10,25 0,15 5,5 0))'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star),ST_GEOMFROMTEXT(@star_all_points)),ST_GEOMFROMTEXT('POLYGON((5 0,7 10,0 15,10 15,15 25,20 15,30 15,22 10,25 0,15 5,5 0))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star),ST_GEOMFROMTEXT(@star_all_points)),ST_GEOMFROMTEXT('POLYGON((5 0,7 10,0 15,10 15,15 25,20 15,30 15,22 10,25 0,15 5,5 0))'))
1
#====================================================================================
# polygon,linestring
#====================================================================================
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star),ST_GEOMFROMTEXT(@star_line_vertical)),ST_GEOMFROMTEXT('POLYGON((5 0,7 10,0 15,10 15,15 25,20 15,30 15,22 10,25 0,15 5,5 0))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star),ST_GEOMFROMTEXT(@star_line_vertical)),ST_GEOMFROMTEXT('POLYGON((5 0,7 10,0 15,10 15,15 25,20 15,30 15,22 10,25 0,15 5,5 0))'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_elem_vertical),ST_GEOMFROMTEXT(@star_line_horizontal)),ST_GEOMFROMTEXT('POLYGON((5 0,15 25,25 0,15 5,5 0))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_elem_vertical),ST_GEOMFROMTEXT(@star_line_horizontal)),ST_GEOMFROMTEXT('POLYGON((5 0,15 25,25 0,15 5,5 0))'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_line_vertical)),ST_GEOMFROMTEXT('POLYGON((5 0,7 10,0 15,10 15,15 25,20 15,30 15,22 10,25 0,15 5,5 0))')) FROM gis_geometrycollection WHERE fid=100;
ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_line_vertical)),ST_GEOMFROMTEXT('POLYGON((5 0,7 10,0 15,10 15,15 25,20 15,30 15,22 10,25 0,15 5,5 0))'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(g,g2),ST_GEOMFROMTEXT('POLYGON((5 0,7 10,0 15,10 15,15 25,20 15,30 15,22 10,25 0,15 5,5 0))')) FROM gis_geometrycollection,gis_geometrycollection_2 WHERE fid=100 and fid2=111;
ST_EQUALS(ST_DIFFERENCE(g,g2),ST_GEOMFROMTEXT('POLYGON((5 0,7 10,0 15,10 15,15 25,20 15,30 15,22 10,25 0,15 5,5 0))'))
1
#====================================================================================
# polygon,multilinestring
#====================================================================================
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star),ST_GEOMFROMTEXT(@star_lines_near_vertical)),ST_GEOMFROMTEXT('POLYGON((5 0,7 10,0 15,10 15,15 25,20 15,30 15,22 10,25 0,15 5,5 0))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star),ST_GEOMFROMTEXT(@star_lines_near_vertical)),ST_GEOMFROMTEXT('POLYGON((5 0,7 10,0 15,10 15,15 25,20 15,30 15,22 10,25 0,15 5,5 0))'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_elem_vertical),ST_GEOMFROMTEXT(@star_lines_near_horizontal)),ST_GEOMFROMTEXT('POLYGON((5 0,15 25,25 0,15 5,5 0))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_elem_vertical),ST_GEOMFROMTEXT(@star_lines_near_horizontal)),ST_GEOMFROMTEXT('POLYGON((5 0,15 25,25 0,15 5,5 0))'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_lines_near_vertical)),ST_GEOMFROMTEXT('POLYGON((5 0,7 10,0 15,10 15,15 25,20 15,30 15,22 10,25 0,15 5,5 0))')) FROM gis_geometrycollection WHERE fid=100;
ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_lines_near_vertical)),ST_GEOMFROMTEXT('POLYGON((5 0,7 10,0 15,10 15,15 25,20 15,30 15,22 10,25 0,15 5,5 0))'))
1
#====================================================================================
# polygon,polygon
#====================================================================================
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star),ST_GEOMFROMTEXT(@star_elem_vertical)),ST_GEOMFROMTEXT('MULTIPOLYGON(((15 25,25 0,22 10,30 15,20 15,15 25)),((15 25,10 15,0 15,7 10,5 0,15 25)))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star),ST_GEOMFROMTEXT(@star_elem_vertical)),ST_GEOMFROMTEXT('MULTIPOLYGON(((15 25,25 0,22 10,30 15,20 15,15 25)),((15 25,10 15,0 15,7 10,5 0,15 25)))'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_elem_vertical),ST_GEOMFROMTEXT(@star)),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_elem_vertical),ST_GEOMFROMTEXT(@star)),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('POLYGON((0 0, 1 0, 0 1, 0 0))'),ST_GEOMFROMTEXT('POLYGON((0 0, 0 1, 1 1, 1 0, 0 0))')),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('POLYGON((0 0, 1 0, 0 1, 0 0))'),ST_GEOMFROMTEXT('POLYGON((0 0, 0 1, 1 1, 1 0, 0 0))')),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_elem_vertical)),ST_GEOMFROMTEXT('MULTIPOLYGON(((15 25,25 0,22 10,30 15,20 15,15 25)),((15 25,10 15,0 15,7 10,5 0,15 25)))')) FROM gis_geometrycollection WHERE fid=100;
ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_elem_vertical)),ST_GEOMFROMTEXT('MULTIPOLYGON(((15 25,25 0,22 10,30 15,20 15,15 25)),((15 25,10 15,0 15,7 10,5 0,15 25)))'))
1
#====================================================================================
# polygon,multipolygon
#====================================================================================
#====================================================================================
# polygon,geometrycollection
#====================================================================================
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star),ST_GEOMFROMTEXT(@star_collection_elems_3)),ST_GEOMFROMTEXT('POLYGON((5 0,15 5,25 0,22 10,30 15,20 15,15 25,10 15,0 15,7 10,5 0))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star),ST_GEOMFROMTEXT(@star_collection_elems_3)),ST_GEOMFROMTEXT('POLYGON((5 0,15 5,25 0,22 10,30 15,20 15,15 25,10 15,0 15,7 10,5 0))'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0))'),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION()')),ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0))'),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION()')),ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0))'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0),(4 4,4 6,6 6,6 4,4 4))'),
ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(GEOMETRYCOLLECTION()))')),ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0),(4 4,4 6,6 6,6 4,4 4))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0),(4 4,4 6,6 6,6 4,4 4))'),
ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(GEOMETRYCOLLECTION()))')),ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0),(4 4,4 6,6 6,6 4,4 4))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('POLYGON((4 4,4 6,6 6,6 4,4 4),(0 0,0 10,10 10,10 0,0 0))'),
ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(GEOMETRYCOLLECTION()))')),ST_GEOMFROMTEXT('POLYGON((4 4,4 6,6 6,6 4,4 4),(0 0,0 10,10 10,10 0,0 0))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('POLYGON((4 4,4 6,6 6,6 4,4 4),(0 0,0 10,10 10,10 0,0 0))'),
ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(GEOMETRYCOLLECTION()))')),ST_GEOMFROMTEXT('POLYGON((4 4,4 6,6 6,6 4,4 4),(0 0,0 10,10 10,10 0,0 0))
1
#====================================================================================
# multipolygon,point
#====================================================================================
#====================================================================================
# multipolygon,multipoint
#====================================================================================
#====================================================================================
# multipolygon,linestring
#====================================================================================
#====================================================================================
# multipolygon,multilinestring
#====================================================================================
#====================================================================================
# multipolygon,polygon
#====================================================================================
#====================================================================================
# multipolygon,multipolygon
#====================================================================================
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 5,5 5,5 0,0 0)))'),
ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 5,5 5,5 0,0 0)),((5 5,5 10,10 10,10 5,5 5)))')),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 5,5 5,5 0,0 0)))'),
ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 5,5 5,5 0,0 0)),((5 5,5 10,10 10,10 5,5 5)))')),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 5,5 5,5 0,0 0)))'),
ST_GEOMFROMTEXT('MULTIPOLYGOn(((5 5,5 10,10 10,10 5,5 5)))')),ST_GEOMFROMTEXT('POLYGON((5 5,0 5,0 0,5 0,5 5))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 5,5 5,5 0,0 0)))'),
ST_GEOMFROMTEXT('MULTIPOLYGOn(((5 5,5 10,10 10,10 5,5 5)))')),ST_GEOMFROMTEXT('POLYGON((5 5,0 5,0 0,5 0,5 5))'))
1
#====================================================================================
# multipolygon,geometrycollectionn
#====================================================================================
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0)))'),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION()')),ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0)))'),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION()')),ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0))'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0),(4 4,4 6,6 6,6 4,4 4)))'),
ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(GEOMETRYCOLLECTION()))')),
ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0),(4 4,4 6,6 6,6 4,4 4))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0),(4 4,4 6,6 6,6 4,4 4)))'),
ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(GEOMETRYCOLLECTION()))')),
ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0),(4 4,4 6,6 6,6
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('MULTIPOLYGON(((4 4,4 6,6 6,6 4,4 4)),((0 0,0 10,10 10,10 0,0 0)))'),
ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(GEOMETRYCOLLECTION()))')),ST_GEOMFROMTEXT('MULTIPOLYGON(((4 4,4 6,6 6,6 4,4 4)),((0 0,0 10,10 10,10 0,0 0)))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('MULTIPOLYGON(((4 4,4 6,6 6,6 4,4 4)),((0 0,0 10,10 10,10 0,0 0)))'),
ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(GEOMETRYCOLLECTION()))')),ST_GEOMFROMTEXT('MULTIPOLYGON(((4 4,4 6,6 6,6 4,4 4)),((0 0,0 10
1
#====================================================================================
# geometrycollection,point
#====================================================================================
SELECT ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_top)),ST_GEOMFROMTEXT('POLYGON((5 0,15 5,25 0,22 10,30 15,20 15,15 25,10 15,0 15,7 10,5 0))')) FROM gis_geometrycollection WHERE fid=115;
ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_top)),ST_GEOMFROMTEXT('POLYGON((5 0,15 5,25 0,22 10,30 15,20 15,15 25,10 15,0 15,7 10,5 0))'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POINT(3 3),LINESTRING(0 0,1 1))'),ST_GEOMFROMTEXT('POINT(4 4)')),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POINT(3 3),LINESTRING(0 0,1 1))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POINT(3 3),LINESTRING(0 0,1 1))'),ST_GEOMFROMTEXT('POINT(4 4)')),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POINT(3 3),LINESTRING(0 0,1 1))'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POINT(3 3),POLYGON((0 0,0 5,5 5,5 0,0 0)))'),ST_GEOMFROMTEXT('POINT(4 4)')),ST_GEOMFROMTEXT('POLYGON((0 0,5 0,5 5,0 5,0 0))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POINT(3 3),POLYGON((0 0,0 5,5 5,5 0,0 0)))'),ST_GEOMFROMTEXT('POINT(4 4)')),ST_GEOMFROMTEXT('POLYGON((0 0,5 0,5 5,0 5,0 0))'))
1
#====================================================================================
# geometrycollection,multipoint
#====================================================================================
SELECT ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_bottom_points)),ST_GEOMFROMTEXT('POLYGON((5 0,15 5,25 0,22 10,30 15,20 15,15 25,10 15,0 15,7 10,5 0))')) FROM gis_geometrycollection WHERE fid=115;
ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_bottom_points)),ST_GEOMFROMTEXT('POLYGON((5 0,15 5,25 0,22 10,30 15,20 15,15 25,10 15,0 15,7 10,5 0))'))
1
#====================================================================================
# geometrycollection,linestring
#====================================================================================
SELECT ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_top_to_center)),ST_GEOMFROMTEXT('POLYGON((5 0,15 5,25 0,22 10,30 15,20 15,15 25,10 15,0 15,7 10,5 0))')) FROM gis_geometrycollection WHERE fid=115;
ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_top_to_center)),ST_GEOMFROMTEXT('POLYGON((5 0,15 5,25 0,22 10,30 15,20 15,15 25,10 15,0 15,7 10,5 0))'))
1
#====================================================================================
# geometrycollection,multilinestring
#====================================================================================
SELECT ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_lines_near_vertical)),ST_GEOMFROMTEXT('POLYGON((5 0,15 5,25 0,22 10,30 15,20 15,15 25,10 15,0 15,7 10,5 0))')) FROM gis_geometrycollection WHERE fid=115;
ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_lines_near_vertical)),ST_GEOMFROMTEXT('POLYGON((5 0,15 5,25 0,22 10,30 15,20 15,15 25,10 15,0 15,7 10,5 0))'))
1
#====================================================================================
# geometrycollection,polygon
#====================================================================================
SELECT ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_elem_vertical)),ST_GEOMFROMTEXT('MULTIPOLYGON(((15 25,25 0,22 10,30 15,20 15,15 25)),((15 25,10 15,0 15,7 10,5 0,15 25)))')) FROM gis_geometrycollection WHERE fid=115;
ST_EQUALS(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_elem_vertical)),ST_GEOMFROMTEXT('MULTIPOLYGON(((15 25,25 0,22 10,30 15,20 15,15 25)),((15 25,10 15,0 15,7 10,5 0,15 25)))'))
1
#====================================================================================
# geometrycollection,multipolygon
#====================================================================================
SELECT ST_EQUALS(ST_DIFFERENCE(g,g2),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY')) FROM gis_geometrycollection,gis_geometrycollection_2 WHERE fid=115 and fid2=215;
ST_EQUALS(ST_DIFFERENCE(g,g2),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POINT(0 0),POINT(1 1),POINT(2 2))'),ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 5,5 5,5 0,0 0)))')),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POINT(0 0),POINT(1 1),POINT(2 2))'),ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 5,5 5,5 0,0 0)))')),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(LINESTRING(0 0,2 2),LINESTRING(4 4,6 6))'),ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 5,5 5,5 0,0 0)),((5 5,5 10,10 10,10 5,5 5)))')),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(LINESTRING(0 0,2 2),LINESTRING(4 4,6 6))'),ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 5,5 5,5 0,0 0)),((5 5,5 10,10 10,10 5,5 5)))')),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY'))
1
#====================================================================================
# geometrycollection,geometrycollectionn
#====================================================================================
SELECT ST_EQUALS(ST_DIFFERENCE(g,g2),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY')) FROM gis_geometrycollection,gis_geometrycollection_2 WHERE fid=115 and fid2=215;
ST_EQUALS(ST_DIFFERENCE(g,g2),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POINT(0 0),LINESTRING(1 1,2 2))'),
ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POINT(0 0),POINT(5 5))')),ST_GEOMFROMTEXT('LINESTRING(1 1,2 2)'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POINT(0 0),LINESTRING(1 1,2 2))'),
ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POINT(0 0),POINT(5 5))')),ST_GEOMFROMTEXT('LINESTRING(1 1,2 2)'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POINT(2 2),POLYGON((0 0,0 5,5 5,5 0,0 0)))'),
ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POINT(0 0),POINT(5 5))')),ST_GEOMFROMTEXT('POLYGON((0 0,5 0,5 5,0 5,0 0))'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POINT(2 2),POLYGON((0 0,0 5,5 5,5 0,0 0)))'),
ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POINT(0 0),POINT(5 5))')),ST_GEOMFROMTEXT('POLYGON((0 0,5 0,5 5,0 5,0 0))'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION())'),
ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(GEOMETRYCOLLECTION())))')),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION())'),
ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(GEOMETRYCOLLECTION())))')),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION())'),
ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(POINT(1 1), GEOMETRYCOLLECTION(GEOMETRYCOLLECTION())))')),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION())'),
ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(POINT(1 1), GEOMETRYCOLLECTION(GEOMETRYCOLLECTION())))')),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(POINT(1 1)))'),
ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(GEOMETRYCOLLECTION())))')),ST_GEOMFROMTEXT('POINT(1 1)'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(POINT(1 1)))'),
ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(GEOMETRYCOLLECTION())))')),ST_GEOMFROMTEXT('POINT(1 1)'))
1
SELECT ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(POINT(1 1)))'),
ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(POINT(1 1), GEOMETRYCOLLECTION(GEOMETRYCOLLECTION())))')),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY'));
ST_EQUALS(ST_DIFFERENCE(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(POINT(1 1)))'),
ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(POINT(1 1), GEOMETRYCOLLECTION(GEOMETRYCOLLECTION())))')),ST_GEOMFROMTEXT('GEOMETRYCOLLECTION EMPTY'))
1
#####################################################################################
# Testing ST_DIFFERENCE() with 2 geometries of same SRID
#####################################################################################
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_top,0),ST_GEOMFROMTEXT(@star_center,0)));
ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_top,0),ST_GEOMFROMTEXT(@star_center,0)))
POINT(15 25)
DO ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_top,4145),ST_GEOMFROMTEXT(@star_center,4145)));
DO ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_top,4326),ST_GEOMFROMTEXT(@star_center,4326)));
DO ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_top,4135),ST_GEOMFROMTEXT(@star_center,4135)));
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_top,-1),ST_GEOMFROMTEXT(@star_center,-1)));
ERROR 22003: SRID value is out of range in 'st_geomfromtext'
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_top,-1024),ST_GEOMFROMTEXT(@star_center,-1024)));
ERROR 22003: SRID value is out of range in 'st_geomfromtext'
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_top,4294967295000),ST_GEOMFROMTEXT(@star_center,4294967295000)));
ERROR 22003: SRID value is out of range in 'st_geomfromtext'
#####################################################################################
# Invalid function calls
#####################################################################################
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_top),ST_GEOMFROMTEXT(@star_center,4326)));
ERROR HY000: Binary geometry function st_difference given two geometries of different srids: 0 and 4326, which should have been identical.
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_top,4145),ST_GEOMFROMTEXT(@star_center,4326)));
ERROR HY000: Binary geometry function st_difference given two geometries of different srids: 4145 and 4326, which should have been identical.
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_top,1048576),ST_GEOMFROMTEXT(@star_center,1048576)));
ERROR SR001: There's no spatial reference system with SRID 1048576.
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_top,1048575),ST_GEOMFROMTEXT(@star_center,1048575)));
ERROR SR001: There's no spatial reference system with SRID 1048575.
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_top,0),ST_GEOMFROMTEXT(@star_center,0)));
ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_top,0),ST_GEOMFROMTEXT(@star_center,0)))
POINT(15 25)
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_top,-1),ST_GEOMFROMTEXT(@star_center,-1)));
ERROR 22003: SRID value is out of range in 'st_geomfromtext'
SELECT ST_ASTEXT(ST_DIFFERENCE(NULL,ST_GEOMFROMTEXT(@star_top)));
ST_ASTEXT(ST_DIFFERENCE(NULL,ST_GEOMFROMTEXT(@star_top)))
NULL
# Invalid geometry in input
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_of_elems),NULL));
ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_of_elems),NULL))
NULL
# Invalid geometry in input
SELECT ST_ASTEXT(ST_DIFFERENCE(g,NULL)) FROM gis_geometrycollection,gis_geometrycollection_2 WHERE fid=103 and fid2=103;
ST_ASTEXT(ST_DIFFERENCE(g,NULL))
NULL
SELECT ST_ASTEXT(ST_DIFFERENCE(NULL,NULL));
ST_ASTEXT(ST_DIFFERENCE(NULL,NULL))
NULL
# Invalid geometry in input
SELECT ST_ASTEXT(ST_DIFFERENCE(fid,NULL)) FROM gis_geometrycollection,gis_geometrycollection_2 WHERE fid=103 and fid2=103;
ST_ASTEXT(ST_DIFFERENCE(fid,NULL))
NULL
# Invalid geometry in input
SELECT ST_ASTEXT(ST_DIFFERENCE(fid,ST_GEOMFROMTEXT(@star_top))) FROM gis_geometrycollection,gis_geometrycollection_2 WHERE fid=103 and fid2=103;
ERROR 22023: Invalid GIS data provided to function st_difference.
# Invalid geometry in input
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_of_elems),fid)) FROM gis_geometrycollection,gis_geometrycollection_2 WHERE fid=103 and fid2=103;
ERROR 22023: Invalid GIS data provided to function st_difference.
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT('POINT(a 0)'),ST_GEOMFROMTEXT('LINESTRING(0 0,10 10)')));
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT('POINT(! 0)'),ST_GEOMFROMTEXT('LINESTRING(0 0,10 10)')));
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT('POINT('!' 0)'),ST_GEOMFROMTEXT('LINESTRING(0 0,10 10)')));
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '!' 0)'),ST_GEOMFROMTEXT('LINESTRING(0 0,10 10)')))' at line 1
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT('POINT(12,34 0)'),ST_GEOMFROMTEXT('LINESTRING(0 0,10 10)')));
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT('LINESTRING(a 0,10 10)'),ST_GEOMFROMTEXT('LINESTRING(0 0,10 10)')));
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT('LINESTRING(0 0,! 10)'),ST_GEOMFROMTEXT('LINESTRING(0 0,10 10)')));
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT('LINESTRING('!' 0,10 10)'),ST_GEOMFROMTEXT('LINESTRING(0 0,10 10)')));
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '!' 0,10 10)'),ST_GEOMFROMTEXT('LINESTRING(0 0,10 10)')))' at line 1
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT('LINESTRING(12,34 0,10 10)'),ST_GEOMFROMTEXT('LINESTRING(0 0,10 10)')));
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT('POLYGON((a 0,10 10,10 0,0 0))'),ST_GEOMFROMTEXT('LINESTRING(0 0,10 10)')));
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT('POLYGON((0 0,! 10,10 0,0 0))'),ST_GEOMFROMTEXT('LINESTRING(0 0,10 10)')));
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT('POLYGON(('!' 0,10 10,10 0,0 0))'),ST_GEOMFROMTEXT('LINESTRING(0 0,10 10)')));
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '!' 0,10 10,10 0,0 0))'),ST_GEOMFROMTEXT('LINESTRING(0 0,10 10)')))' at line 1
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT('POLYGON((12,34 0,10 10,10 0,0 0))'),ST_GEOMFROMTEXT('LINESTRING(0 0,10 10)')));
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT('POLYGON((12,34 0,10 10,10 0,0 0)'),ST_GEOMFROMTEXT('LINESTRING(0 0,10 10)')));
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
SELECT ST_ASTEXT(ST_DIFFERENCE(,));
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ',))' at line 1
# Invalid geometry in input
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_of_elems),));
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '))' at line 1
SELECT ST_ASTEXT(ST_DIFFERENCE(,ST_GEOMFROMTEXT(@star_top)));
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ',ST_GEOMFROMTEXT(@star_top)))' at line 1
# Invalid geometry in input
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_elem_vertical),ST_GEOMFROMTEXT(@star_of_elems)));
ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_elem_vertical),ST_GEOMFROMTEXT(@star_of_elems)))
GEOMETRYCOLLECTION EMPTY
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_elem_vertical),ST_GEOMFROMTEXT(@star_collection_elems)));
ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_elem_vertical),ST_GEOMFROMTEXT(@star_collection_elems)))
GEOMETRYCOLLECTION EMPTY
# Invalid geometry in input
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_of_elems),ST_GEOMFROMTEXT(@star_of_elems)));
ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_of_elems),ST_GEOMFROMTEXT(@star_of_elems)))
GEOMETRYCOLLECTION EMPTY
# Invalid geometry in input
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_of_elems),
ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,15 25,35 0,0 0)),((5 0,15 25,25 0,15 5,5 0)))')));
ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT(@star_of_elems),
ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,15 25,35 0,0 0)),((5 0,15 25,25 0,15 5,5 0)))')))
MULTIPOLYGON(((6.617647058823529 11.029411764705882,9 15,0 15,6.617647058823529 11.029411764705882)),((23 15,25.333333333333332 12.083333333333334,30 15,23 15)))
# Invalid geometry in input
SELECT ST_ASTEXT(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_of_elems))) FROM gis_geometrycollection WHERE fid=103;
ST_ASTEXT(ST_DIFFERENCE(g,ST_GEOMFROMTEXT(@star_of_elems)))
GEOMETRYCOLLECTION EMPTY
# Invalid geometry in input
SELECT ST_ASTEXT(ST_DIFFERENCE(g,g2)) FROM gis_geometrycollection,gis_geometrycollection_2 WHERE fid=103 and fid2=103;
ST_ASTEXT(ST_DIFFERENCE(g,g2))
GEOMETRYCOLLECTION EMPTY
#clean up
DROP TABLE gis_geometrycollection;
DROP TABLE gis_geometrycollection_2;
#
# Bug#21977775 ST_DIFFERENCE(POLYGON, POLYGON) RETURNS INVALID GEOMETRY
#
SELECT ST_ASTEXT(ST_DIFFERENCE(ST_GEOMFROMTEXT('POLYGON((8 6,5 7,-1
4,-8 -7,0 -17,8 6),(3 6,5 5,0 -2,3 6))'), ST_GEOMFROMTEXT('POLYGON((3 5,-17
11,-8 -3,3 5))'))) AS result;
result
MULTIPOLYGON(((1.75 5.375,2.662921348314607 5.101123595505618,3 6,1.75 5.375)),((-3.2615384615384615 0.44615384615384635,-8 -7,0 -17,8 6,5 7,3 6,5 5,0 -2,2.484375 4.625,-3.2615384615384615 0.44615384615384635)))
#
# WL#8579 Spatial Reference Systems
#
# SRID 0 (should pass)
SELECT ST_ASTEXT(ST_DIFFERENCE(
ST_GEOMFROMTEXT('POINT(0 0)', 0),
ST_GEOMFROMTEXT('POINT(0 0)', 0)
));
ST_ASTEXT(ST_DIFFERENCE(
ST_GEOMFROMTEXT('POINT(0 0)', 0),
ST_GEOMFROMTEXT('POINT(0 0)', 0)
))
GEOMETRYCOLLECTION EMPTY
# Projected SRS (should pass)
SELECT ST_ASTEXT(ST_DIFFERENCE(
ST_GEOMFROMTEXT('POINT(0 0)', 2000),
ST_GEOMFROMTEXT('POINT(0 0)', 2000)
));
ST_ASTEXT(ST_DIFFERENCE(
ST_GEOMFROMTEXT('POINT(0 0)', 2000),
ST_GEOMFROMTEXT('POINT(0 0)', 2000)
))
GEOMETRYCOLLECTION EMPTY
SELECT ST_ASTEXT(ST_DIFFERENCE(
ST_GEOMFROMTEXT('POINT(0 0)', 4326),
ST_GEOMFROMTEXT('POINT(0 0)', 4326)
));
ST_ASTEXT(ST_DIFFERENCE(
ST_GEOMFROMTEXT('POINT(0 0)', 4326),
ST_GEOMFROMTEXT('POINT(0 0)', 4326)
))
GEOMETRYCOLLECTION EMPTY
#
# WL#11096 Don't do Cartesian computations on geographic geometries
#
# Assume SRID 10 is not defined.
DO ST_DIFFERENCE(
x'0A000000010100000000000000000000000000000000000000',
x'0A000000010100000000000000000000000000000000000000'
);
ERROR SR001: There's no spatial reference system with SRID 10.
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