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| Current File : //home/usr.opt/mysql57/mysql-test/suite/gis/r/spatial_analysis_functions_convexhull.result |
# 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))';
# 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)),
(116,ST_GEOMFROMTEXT(@star_collection_multilinestr));
# Checking the integrity of the above create/insert statements
# 17 rows.
SELECT count(ST_ASTEXT(g) != 'NULL') FROM gis_geometrycollection;
count(ST_ASTEXT(g) != 'NULL')
17
#####################################################################################
# ST_CONVEXHULL(point)
#####################################################################################
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_center)));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_center)))
POINT(15 10)
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_top)));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_top)))
POINT(15 25)
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POINT(-0 0)')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POINT(-0 0)')))
POINT(-0 0)
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POINT(2.34 -2.34)')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POINT(2.34 -2.34)')))
POINT(2.34 -2.34)
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POINT(1e308 -1e308)')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POINT(1e308 -1e308)')))
POINT(1e308 -1e308)
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POINT(-0.0000 0.000001)')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POINT(-0.0000 0.000001)')))
POINT(-0 0.000001)
SELECT ST_ASTEXT(ST_CONVEXHULL(g)) FROM gis_geometrycollection WHERE fid=105;
ST_ASTEXT(ST_CONVEXHULL(g))
POINT(15 10)
#####################################################################################
# ST_CONVEXHULL(multipoint)
#####################################################################################
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_all_points)));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_all_points)))
POLYGON((5 0,25 0,15 25,5 0))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_bottom_points)));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_bottom_points)))
LINESTRING(5 0,25 0)
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOINT(0 0,0 0,0 0,0 0)')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOINT(0 0,0 0,0 0,0 0)')))
POINT(0 0)
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOINT(0 0,0 5,5 5,5 0,0 0)')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOINT(0 0,0 5,5 5,5 0,0 0)')))
POLYGON((0 0,5 0,5 5,0 5,0 0))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOINT(1 -1,1000 -1000,0.0001 0.000)')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOINT(1 -1,1000 -1000,0.0001 0.000)')))
POLYGON((0.0001 0,1 -1,1000 -1000,0.0001 0))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOINT(5 -3,0 2,5 7,10 2,10 0,10 -2)')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOINT(5 -3,0 2,5 7,10 2,10 0,10 -2)')))
POLYGON((0 2,5 -3,10 -2,10 2,5 7,0 2))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOINT(5 0,0 5,5 10,10 5,10 -5)')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOINT(5 0,0 5,5 10,10 5,10 -5)')))
POLYGON((0 5,10 -5,10 5,5 10,0 5))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOINT(2 -5,2 5,8 5,8 2,8 0)')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOINT(2 -5,2 5,8 5,8 2,8 0)')))
POLYGON((2 -5,8 0,8 5,2 5,2 -5))
Select ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOINT(5 0,25 0,15 10,15 25)')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOINT(5 0,25 0,15 10,15 25)')))
POLYGON((5 0,25 0,15 25,5 0))
SELECT ST_ASTEXT(ST_CONVEXHULL(g)) FROM gis_geometrycollection WHERE fid=108;
ST_ASTEXT(ST_CONVEXHULL(g))
LINESTRING(5 0,25 0)
#####################################################################################
# ST_CONVEXHULL(linestring)
#####################################################################################
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_top_to_center)));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_top_to_center)))
LINESTRING(15 10,15 25)
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_line_horizontal)));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_line_horizontal)))
LINESTRING(10 15,20 15)
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('LINESTRING(0 0,-0.00 0,0.0 0)')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('LINESTRING(0 0,-0.00 0,0.0 0)')))
POINT(0 0)
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('LINESTRING(0 0,0 5,5 5,5 0,0 0)')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('LINESTRING(0 0,0 5,5 5,5 0,0 0)')))
POLYGON((0 0,5 0,5 5,0 5,0 0))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('LINESTRING(1 -1,1000 -1000,0.0001 0.000)')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('LINESTRING(1 -1,1000 -1000,0.0001 0.000)')))
POLYGON((0.0001 0,1 -1,1000 -1000,0.0001 0))
SELECT ST_ASTEXT(ST_CONVEXHULL(g)) FROM gis_geometrycollection WHERE fid=110;
ST_ASTEXT(ST_CONVEXHULL(g))
LINESTRING(10 15,20 15)
#####################################################################################
# ST_CONVEXHULL(multilinestring)
#####################################################################################
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_lines_near_vertical)));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_lines_near_vertical)))
POLYGON((0 5,15 25,0 25,0 5))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_lines_near_horizontal)));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_lines_near_horizontal)))
POLYGON((0 5,25 0,15 30,0 15,0 5))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,-0.00 0),(0.0 0))')));
ERROR 22023: Invalid GIS data provided to function st_geometryfromtext.
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,0 5,5 5,5 0,0 0))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,0 5,5 5,5 0,0 0))')))
POLYGON((0 0,5 0,5 5,0 5,0 0))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTILINESTRING((0 10,10 0),(10 0,0 0),(0 0,10 10))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTILINESTRING((0 10,10 0),(10 0,0 0),(0 0,10 10))')))
POLYGON((0 0,10 0,10 10,0 10,0 0))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTILINESTRING((1 -1,1000 -1000,0.0001 0.000))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTILINESTRING((1 -1,1000 -1000,0.0001 0.000))')))
POLYGON((0.0001 0,1 -1,1000 -1000,0.0001 0))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTILINESTRING((4 7,1 0,1 7),(4 9,8 6,9 4))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTILINESTRING((4 7,1 0,1 7),(4 9,8 6,9 4))')))
POLYGON((1 0,9 4,8 6,4 9,1 7,1 0))
SELECT ST_ASTEXT(ST_CONVEXHULL(g)) FROM gis_geometrycollection WHERE fid=114;
ST_ASTEXT(ST_CONVEXHULL(g))
POLYGON((0 5,15 25,0 25,0 5))
#####################################################################################
# ST_CONVEXHULL(polygon)
#####################################################################################
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star)));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star)))
POLYGON((0 15,5 0,25 0,30 15,15 25,0 15))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_elem_vertical)));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_elem_vertical)))
POLYGON((5 0,25 0,15 25,5 0))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((0 0,0 5,5 5, 0 0))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((0 0,0 5,5 5, 0 0))')))
POLYGON((0 0,5 5,0 5,0 0))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((5 2,5 5,2 8,5 2))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((5 2,5 5,2 8,5 2))')))
POLYGON((2 8,5 2,5 5,2 8))
Select ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((5 0,15 25,25 0,15 5,5 0))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((5 0,15 25,25 0,15 5,5 0))')))
POLYGON((5 0,25 0,15 25,5 0))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0))')))
POLYGON((0 0,10 0,10 10,0 10,0 0))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((10 10,10 0,0 20,0 10,10 10))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((10 10,10 0,0 20,0 10,10 10))')))
POLYGON((0 10,10 0,10 10,0 20,0 10))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0,-10 0,-10 -10,0 -10, 0 0))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0,-10 0,-10 -10,0 -10, 0 0))')))
POLYGON((-10 -10,0 -10,10 0,10 10,0 10,-10 0,-10 -10))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0),(4 4,4 6,6 6,6 4,4 4))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0),(4 4,4 6,6 6,6 4,4 4))')))
POLYGON((0 0,10 0,10 10,0 10,0 0))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0),(0 0,0 10,10 10,10 0,0 0))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0),(0 0,0 10,10 10,10 0,0 0))')))
POLYGON((0 0,10 0,10 10,0 10,0 0))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((4 4,4 6,6 6,6 4,4 4),(0 0,0 10,10 10,10 0,0 0))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((4 4,4 6,6 6,6 4,4 4),(0 0,0 10,10 10,10 0,0 0))')))
POLYGON((4 4,6 4,6 6,4 6,4 4))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((4 4,4 6,6 6,6 4,4 4),(8 8,8 10,10 10,10 8,8 8))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((4 4,4 6,6 6,6 4,4 4),(8 8,8 10,10 10,10 8,8 8))')))
POLYGON((4 4,6 4,6 6,4 6,4 4))
SELECT ST_ASTEXT(ST_CONVEXHULL(g)) FROM gis_geometrycollection WHERE fid=100;
ST_ASTEXT(ST_CONVEXHULL(g))
POLYGON((0 15,5 0,25 0,30 15,15 25,0 15))
#####################################################################################
# ST_CONVEXHULL(multipolygon)
#####################################################################################
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_of_elems)));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_of_elems)))
POLYGON((0 15,5 0,25 0,30 15,15 25,0 15))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 5,5 5, 0 0)))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 5,5 5, 0 0)))')))
POLYGON((0 0,5 5,0 5,0 0))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 10,10 0,0 0, 0 10)),((0 0,10 10,10 0, 0 0)))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 10,10 0,0 0, 0 10)),((0 0,10 10,10 0, 0 0)))')))
POLYGON((0 0,10 0,10 10,0 10,0 0))
Select ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0)),((4 4,4 6,6 6,6 4,4 4)))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0)),((4 4,4 6,6 6,6 4,4 4)))')))
POLYGON((0 0,10 0,10 10,0 10,0 0))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10, 0 0)),((10 10,10 15,15 15,10 10)))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10, 0 0)),((10 10,10 15,15 15,10 10)))')))
POLYGON((0 0,15 15,10 15,0 10,0 0))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0)),((4 4,4 6,6 6,6 4,4 4)))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0)),((4 4,4 6,6 6,6 4,4 4)))')))
POLYGON((0 0,10 0,10 10,0 10,0 0))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0, 0 0),(4 4,4 6,6 6,6 4,4 4)))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0, 0 0),(4 4,4 6,6 6,6 4,4 4)))')))
POLYGON((0 0,10 0,10 10,0 10,0 0))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0),(0 0,0 10,10 10,10 0,0 0)))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0),(0 0,0 10,10 10,10 0,0 0)))')))
POLYGON((0 0,10 0,10 10,0 10,0 0))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((4 4,4 6,6 6,6 4,4 4),(0 0,0 10,10 10,10 0,0 0)))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((4 4,4 6,6 6,6 4,4 4),(0 0,0 10,10 10,10 0,0 0)))')))
POLYGON((4 4,6 4,6 6,4 6,4 4))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((4 4,4 6,6 6,6 4,4 4),(8 8,8 10,10 10,10 8,8 8)))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((4 4,4 6,6 6,6 4,4 4),(8 8,8 10,10 10,10 8,8 8)))')))
POLYGON((4 4,6 4,6 6,4 6,4 4))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((10 10,10 0,5 10,10 10)),((0 10,0 20,5 10,0 10)))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((10 10,10 0,5 10,10 10)),((0 10,0 20,5 10,0 10)))')))
POLYGON((0 10,10 0,10 10,0 20,0 10))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0),(0 0,0 10,10 10,10 0,0 0)),'
'((0 0,0 10,10 10,10 0,0 0)))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0),(0 0,0 10,10 10,10 0,0 0)),'
'((0 0,0 10,10 10,10 0,0 0)))')))
POLYGON((0 0,10 0,10 10,0 10,0 0))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0),(0 0,0 10,10 10,10 0,0 0)),'
'((0 0,0 10,10 10,10 0,0 0),(4 4,4 6,6 6, 4 4)))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0),(0 0,0 10,10 10,10 0,0 0)),'
'((0 0,0 10,10 10,10 0,0 0),(4 4,4 6,6 6, 4 4)))')))
POLYGON((0 0,10 0,10 10,0 10,0 0))
#####################################################################################
# ST_CONVEXHULL(geometrycollection)
#####################################################################################
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_collection_elems)));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_collection_elems)))
POLYGON((0 15,5 0,25 0,30 15,15 25,0 15))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_collection_multilinestr)));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_collection_multilinestr)))
POLYGON((0 5,5 0,25 0,30 15,15 30,0 15,0 5))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION()')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION()')))
NULL
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION())')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION())')))
NULL
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(GEOMETRYCOLLECTION()))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(GEOMETRYCOLLECTION()))')))
NULL
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POINT(10 10),MULTIPOINT(0 0,10 10))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POINT(10 10),MULTIPOINT(0 0,10 10))')))
LINESTRING(0 0,10 10)
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(POINT(10 10),MULTIPOINT(0 0,10 10)))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(POINT(10 10),MULTIPOINT(0 0,10 10)))')))
LINESTRING(0 0,10 10)
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(LINESTRING(1 1,2 2,3 3),'
'MULTILINESTRING((0 0,0 10,10 10,10 0, 0 0),(10 10,10 15,15 15,10 10)))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(LINESTRING(1 1,2 2,3 3),'
'MULTILINESTRING((0 0,0 10,10 10,10 0, 0 0),(10 10,10 15,15 15,10 10)))')))
POLYGON((0 0,10 0,15 15,10 15,0 10,0 0))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POINT(10 10),'
'MULTIPOINT(0 0,10 10),'
'LINESTRING(1 1,2 2,3 3),'
'MULTILINESTRING((0 0,0 10,10 10,10 0, 0 0),(10 10,10 15,15 15,10 10)))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POINT(10 10),'
'MULTIPOINT(0 0,10 10),'
'LINESTRING(1 1,2 2,3 3
POLYGON((0 0,10 0,15 15,10 15,0 10,0 0))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POLYGON((0 0,0 10,10 10,10 0, 0 0)))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POLYGON((0 0,0 10,10 10,10 0, 0 0)))')))
POLYGON((0 0,10 0,10 10,0 10,0 0))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(POLYGON((0 0,0 10,10 10,10 0, 0 0)))))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(POLYGON((0 0,0 10,10 10,10 0, 0 0)))))')))
POLYGON((0 0,10 0,10 10,0 10,0 0))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POLYGON((0 0,0 10,10 10,10 0,0 0)),POLYGON((0 0,10 0,10 -10,0 -10,0 0)))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POLYGON((0 0,0 10,10 10,10 0,0 0)),POLYGON((0 0,10 0,10 -10,0 -10,0 0)))')))
POLYGON((0 -10,10 -10,10 10,0 10,0 -10))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(LINESTRING(0 0,0 10,10 10,10 0,0 0),LINESTRING(0 0,10 0,10 -10,0 -10,0 0))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(LINESTRING(0 0,0 10,10 10,10 0,0 0),LINESTRING(0 0,10 0,10 -10,0 -10,0 0))')))
POLYGON((0 -10,10 -10,10 10,0 10,0 -10))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POLYGON((0 0,0 10,10 10,10 0,0 0),(4 4,4 6,6 6,6 4,4 4)),'
'MULTIPOLYGON(((0 0,0 10,10 10,10 0, 0 0)),((10 10,10 15,15 15,15 10,10 10))))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POLYGON((0 0,0 10,10 10,10 0,0 0),(4 4,4 6,6 6,6 4,4 4)),'
'MULTIPOLYGON(((0 0,0 10,10 10,10 0, 0 0)),((10 10,10 15,15 15,15 10,1
POLYGON((0 0,10 0,15 10,15 15,10 15,0 10,0 0))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(),POLYGON((0 0,0 10,10 10,10 0,0 0)))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(),POLYGON((0 0,0 10,10 10,10 0,0 0)))')))
POLYGON((0 0,10 0,10 10,0 10,0 0))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POLYGON((0 0,0 10,10 10,10 0,0 0)),GEOMETRYCOLLECTION())')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POLYGON((0 0,0 10,10 10,10 0,0 0)),GEOMETRYCOLLECTION())')))
POLYGON((0 0,10 0,10 10,0 10,0 0))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(POINT(10 10),'
'MULTIPOINT(0 0,10 10)),'
'GEOMETRYCOLLECTION(LINESTRING(1 1,2 2,3 3),'
'MULTILINESTRING((0 0,0 10,10 10,10 0, 0 0),(10 10,10 15,15 15,10 10))))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(POINT(10 10),'
'MULTIPOINT(0 0,10 10)),'
POLYGON((0 0,10 0,15 15,10 15,0 10,0 0))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(POINT(10 10),'
'MULTIPOINT(0 0,10 10)),'
'GEOMETRYCOLLECTION(LINESTRING(1 1,2 2,3 3),'
'MULTILINESTRING((0 0,0 10,10 10,10 0, 0 0),(10 10,10 15,15 15,10 10))),'
'GEOMETRYCOLLECTION(POLYGON((0 0,0 10,10 10,10 0,0 0),(4 4,4 6,6 6,6 4,4 4)),'
'MULTIPOLYGON(((0 0,0 10,10 10,10 0, 0 0)),'
'((10 10,10 15,15 15,15 10,10 10)))))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(POINT(10 10),'
'MULTIPOINT(0 0,10 10)),'
POLYGON((0 0,10 0,15 10,15 15,10 15,0 10,0 0))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(POINT(10 10),'
'MULTIPOINT(0 0,10 10)),'
'GEOMETRYCOLLECTION(LINESTRING(1 1,2 2,3 3),'
'MULTILINESTRING((0 0,0 10,10 10,10 0, 0 0),(10 10,10 15,15 15,10 10))),'
'GEOMETRYCOLLECTION(GEOMETRYCOLLECTION()))')));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(POINT(10 10),'
'MULTIPOINT(0 0,10 10)),'
POLYGON((0 0,10 0,15 15,10 15,0 10,0 0))
SELECT ST_ASTEXT(ST_CONVEXHULL(g)) FROM gis_geometrycollection WHERE fid=115;
ST_ASTEXT(ST_CONVEXHULL(g))
POLYGON((0 15,5 0,25 0,30 15,15 25,0 15))
#####################################################################################
# ST_CONVEXHULL(geometry) with different SRID values
#####################################################################################
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_center,-1024)));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_center,-1024)))
POINT(15 10)
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_all_points,-1)));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_all_points,-1)))
POLYGON((5 0,25 0,15 25,5 0))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_top_to_center,0)));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_top_to_center,0)))
LINESTRING(15 10,15 25)
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_lines_near_vertical,1000)));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_lines_near_vertical,1000)))
POLYGON((0 5,15 25,0 25,0 5))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star,123456789)));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star,123456789)))
POLYGON((0 15,5 0,25 0,30 15,15 25,0 15))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_elem_vertical,4294967295)));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_elem_vertical,4294967295)))
POLYGON((5 0,25 0,15 25,5 0))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_of_elems,4294967296)));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_of_elems,4294967296)))
POLYGON((0 15,5 0,25 0,30 15,15 25,0 15))
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_collection_elems,4294967295000)));
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_collection_elems,4294967295000)))
POLYGON((0 15,5 0,25 0,30 15,15 25,0 15))
#####################################################################################
# Invalid function calls
#####################################################################################
SELECT ST_ASTEXT(ST_CONVEXHULL());
ERROR 42000: Incorrect parameter count in the call to native function 'ST_CONVEXHULL'
SELECT ST_ASTEXT(ST_CONVEXHULL(NULL));
ST_ASTEXT(ST_CONVEXHULL(NULL))
NULL
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POINT()')));
ERROR 22023: Invalid GIS data provided to function st_geometryfromtext.
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('LINESTRING()')));
ERROR 22023: Invalid GIS data provided to function st_geometryfromtext.
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON(())')));
ERROR 22023: Invalid GIS data provided to function st_geometryfromtext.
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOINT()')));
ERROR 22023: Invalid GIS data provided to function st_geometryfromtext.
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTILINESTRING(())')));
ERROR 22023: Invalid GIS data provided to function st_geometryfromtext.
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON((()))')));
ERROR 22023: Invalid GIS data provided to function st_geometryfromtext.
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POINT(a 0)')));
ERROR 22023: Invalid GIS data provided to function st_geometryfromtext.
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POINT(! 0)')));
ERROR 22023: Invalid GIS data provided to function st_geometryfromtext.
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POINT('!' 0)')));
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)')))' at line 1
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POINT(12,34 0)')));
ERROR 22023: Invalid GIS data provided to function st_geometryfromtext.
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('LINESTRING(a 0,10 10)')));
ERROR 22023: Invalid GIS data provided to function st_geometryfromtext.
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('LINESTRING(0 0,! 10)')));
ERROR 22023: Invalid GIS data provided to function st_geometryfromtext.
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('LINESTRING('!' 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)')))' at line 1
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('LINESTRING(12,34 0,10 10)')));
ERROR 22023: Invalid GIS data provided to function st_geometryfromtext.
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((a 0,10 10,10 0,0 0))')));
ERROR 22023: Invalid GIS data provided to function st_geometryfromtext.
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((0 0,! 10,10 0,0 0))')));
ERROR 22023: Invalid GIS data provided to function st_geometryfromtext.
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON(('!' 0,10 10,10 0,0 0))')));
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))')))' at line 1
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((12,34 0,10 10,10 0,0 0))')));
ERROR 22023: Invalid GIS data provided to function st_geometryfromtext.
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((0 0))')));
ERROR 22023: Invalid GIS data provided to function st_geometryfromtext.
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((0 0,5 5))')));
ERROR 22023: Invalid GIS data provided to function st_geometryfromtext.
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((0 0,5 5,10 10))')));
ERROR 22023: Invalid GIS data provided to function st_geometryfromtext.
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((0 0,0 5,10 10),(0 0))')));
ERROR 22023: Invalid GIS data provided to function st_geometryfromtext.
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,5 5,10 10)),((10 10)))')));
ERROR 22023: Invalid GIS data provided to function st_geometryfromtext.
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,5 5,10 10)),((10 10))')));
ERROR 22023: Invalid GIS data provided to function st_geometryfromtext.
SELECT ST_ASTEXT(ST_CONVEXHULL(0x000000000200000000000000000000000000000000));
ERROR HY000: Geometry byte string must be little endian.
SELECT ST_ASTEXT(ST_CONVEXHULL(0x010100000001000000010100000000000000000000));
ERROR HY000: Geometry byte string must be little endian.
SELECT ST_ASTEXT(ST_CONVEXHULL(0x010100000002000000000000000000000000000000));
ERROR HY000: Geometry byte string must be little endian.
SELECT ST_ASTEXT(ST_CONVEXHULL(0x000000000600000001000000000200000002000000));
ERROR HY000: Geometry byte string must be little endian.
SELECT ST_ASTEXT(ST_CONVEXHULL(0x000000000200000001000000050000000000000000));
ERROR HY000: Geometry byte string must be little endian.
SELECT ST_ASTEXT(ST_CONVEXHULL(0x010300000002000000010300000002000000050000));
ERROR HY000: Geometry byte string must be little endian.
SELECT ST_ASTEXT(ST_CONVEXHULL(0x010400000002000000010100000000000000000000));
ERROR HY000: Geometry byte string must be little endian.
# Clean up
DROP TABLE gis_geometrycollection;