SELECT fid, AsText(Envelope(g)) FROM gis_geometry;
fid AsText(Envelope(g))
101 POLYGON((10 10,10 10,10 10,10 10,10 10))
102 POLYGON((20 10,20 10,20 10,20 10,20 10))
103 POLYGON((20 20,20 20,20 20,20 20,20 20))
104 POLYGON((10 20,10 20,10 20,10 20,10 20))
105 POLYGON((0 0,10 0,10 10,0 10,0 0))
106 POLYGON((10 10,20 10,20 20,10 20,10 10))
107 POLYGON((10 10,40 10,40 10,10 10,10 10))
108 POLYGON((10 10,20 10,20 20,10 20,10 10))
109 POLYGON((0 0,50 0,50 50,0 50,0 0))
110 POLYGON((0 0,30 0,30 30,0 30,0 0))
111 POLYGON((0 0,20 0,20 20,0 20,0 0))
112 POLYGON((1 1,21 1,21 21,1 21,1 1))
113 POLYGON((3 6,4 6,4 10,3 10,3 6))
114 POLYGON((10 0,16 0,16 48,10 48,10 0))
115 POLYGON((10 0,10 0,10 48,10 48,10 0))
116 POLYGON((1 2,21 2,21 8,1 8,1 2))
117 POLYGON((28 0,84 0,84 42,28 42,28 0))
118 POLYGON((28 0,84 0,84 42,28 42,28 0))
119 POLYGON((0 0,3 0,3 3,0 3,0 0))
120 POLYGON((0 0,10 0,10 10,0 10,0 0))
121 POLYGON((3 6,44 6,44 9,3 9,3 6))
explain extended select Dimension(g), GeometryType(g), IsEmpty(g), AsText(Envelope(g)) from gis_geometry;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE gis_geometry ALL NULL NULL NULL NULL 21
Warnings:
Note 1003 select dimension(`test`.`gis_geometry`.`g`) AS `Dimension(g)`,geometrytype(`test`.`gis_geometry`.`g`) AS `GeometryType(g)`,isempty(`test`.`gis_geometry`.`g`) AS `IsEmpty(g)`,astext(envelope(`test`.`gis_geometry`.`g`)) AS `AsText(Envelope(g))` from `test`.`gis_geometry`
SELECT fid, X(g) FROM gis_point;
fid X(g)
101 10
102 20
103 20
104 10
SELECT fid, Y(g) FROM gis_point;
fid Y(g)
101 10
102 10
103 20
104 20
explain extended select X(g),Y(g) FROM gis_point;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE gis_point ALL NULL NULL NULL NULL 4
Warnings:
Note 1003 select x(`test`.`gis_point`.`g`) AS `X(g)`,y(`test`.`gis_point`.`g`) AS `Y(g)` from `test`.`gis_point`
SELECT fid, AsText(StartPoint(g)) FROM gis_line;
fid AsText(StartPoint(g))
105 POINT(0 0)
106 POINT(10 10)
107 POINT(10 10)
SELECT fid, AsText(EndPoint(g)) FROM gis_line;
fid AsText(EndPoint(g))
105 POINT(10 0)
106 POINT(10 10)
107 POINT(40 10)
SELECT fid, GLength(g) FROM gis_line;
fid GLength(g)
105 24.142135623731
106 40
107 30
SELECT fid, NumPoints(g) FROM gis_line;
fid NumPoints(g)
105 3
106 5
107 2
SELECT fid, AsText(PointN(g, 2)) FROM gis_line;
fid AsText(PointN(g, 2))
105 POINT(0 10)
106 POINT(20 10)
107 POINT(40 10)
SELECT fid, IsClosed(g) FROM gis_line;
fid IsClosed(g)
105 0
106 1
107 0
explain extended select AsText(StartPoint(g)),AsText(EndPoint(g)),GLength(g),NumPoints(g),AsText(PointN(g, 2)),IsClosed(g) FROM gis_line;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE gis_line ALL NULL NULL NULL NULL 3
Warnings:
Note 1003 select astext(startpoint(`test`.`gis_line`.`g`)) AS `AsText(StartPoint(g))`,astext(endpoint(`test`.`gis_line`.`g`)) AS `AsText(EndPoint(g))`,glength(`test`.`gis_line`.`g`) AS `GLength(g)`,numpoints(`test`.`gis_line`.`g`) AS `NumPoints(g)`,astext(pointn(`test`.`gis_line`.`g`,2)) AS `AsText(PointN(g, 2))`,isclosed(`test`.`gis_line`.`g`) AS `IsClosed(g)` from `test`.`gis_line`
SELECT fid, AsText(Centroid(g)) FROM gis_polygon;
fid AsText(Centroid(g))
108 POINT(15 15)
109 POINT(25.416666666667 25.416666666667)
110 POINT(20 10)
SELECT fid, Area(g) FROM gis_polygon;
fid Area(g)
108 100
109 2400
110 450
SELECT fid, AsText(ExteriorRing(g)) FROM gis_polygon;
fid AsText(ExteriorRing(g))
108 LINESTRING(10 10,20 10,20 20,10 20,10 10)
109 LINESTRING(0 0,50 0,50 50,0 50,0 0)
110 LINESTRING(0 0,30 0,30 30,0 0)
SELECT fid, NumInteriorRings(g) FROM gis_polygon;
fid NumInteriorRings(g)
108 0
109 1
110 0
SELECT fid, AsText(InteriorRingN(g, 1)) FROM gis_polygon;
fid AsText(InteriorRingN(g, 1))
108 NULL
109 LINESTRING(10 10,20 10,20 20,10 20,10 10)
110 NULL
explain extended select AsText(Centroid(g)),Area(g),AsText(ExteriorRing(g)),NumInteriorRings(g),AsText(InteriorRingN(g, 1)) FROM gis_polygon;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE gis_polygon ALL NULL NULL NULL NULL 3
Warnings:
Note 1003 select astext(centroid(`test`.`gis_polygon`.`g`)) AS `AsText(Centroid(g))`,area(`test`.`gis_polygon`.`g`) AS `Area(g)`,astext(exteriorring(`test`.`gis_polygon`.`g`)) AS `AsText(ExteriorRing(g))`,numinteriorrings(`test`.`gis_polygon`.`g`) AS `NumInteriorRings(g)`,astext(interiorringn(`test`.`gis_polygon`.`g`,1)) AS `AsText(InteriorRingN(g, 1))` from `test`.`gis_polygon`
SELECT fid, IsClosed(g) FROM gis_multi_line;
fid IsClosed(g)
114 0
115 0
116 0
SELECT fid, AsText(Centroid(g)) FROM gis_multi_polygon;
fid AsText(Centroid(g))
117 POINT(55.588527753042 17.426536064114)
118 POINT(55.588527753042 17.426536064114)
119 POINT(2 2)
SELECT fid, Area(g) FROM gis_multi_polygon;
fid Area(g)
117 1684.5
118 1684.5
119 4.5
SELECT fid, NumGeometries(g) from gis_multi_point;
fid NumGeometries(g)
111 4
112 4
113 2
SELECT fid, NumGeometries(g) from gis_multi_line;
fid NumGeometries(g)
114 2
115 1
116 2
SELECT fid, NumGeometries(g) from gis_multi_polygon;
fid NumGeometries(g)
117 2
118 2
119 1
SELECT fid, NumGeometries(g) from gis_geometrycollection;
fid NumGeometries(g)
120 2
121 2
explain extended SELECT fid, NumGeometries(g) from gis_multi_point;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE gis_multi_point ALL NULL NULL NULL NULL 3
Warnings:
Note 1003 select `test`.`gis_multi_point`.`fid` AS `fid`,numgeometries(`test`.`gis_multi_point`.`g`) AS `NumGeometries(g)` from `test`.`gis_multi_point`
SELECT fid, AsText(GeometryN(g, 2)) from gis_multi_point;
fid AsText(GeometryN(g, 2))
111 POINT(10 10)
112 POINT(11 11)
113 POINT(4 10)
SELECT fid, AsText(GeometryN(g, 2)) from gis_multi_line;
fid AsText(GeometryN(g, 2))
114 LINESTRING(16 0,16 23,16 48)
115 NULL
116 LINESTRING(2 5,5 8,21 7)
SELECT fid, AsText(GeometryN(g, 2)) from gis_multi_polygon;
fid AsText(GeometryN(g, 2))
117 POLYGON((59 18,67 18,67 13,59 13,59 18))
118 POLYGON((59 18,67 18,67 13,59 13,59 18))
119 NULL
SELECT fid, AsText(GeometryN(g, 2)) from gis_geometrycollection;
fid AsText(GeometryN(g, 2))
120 LINESTRING(0 0,10 10)
121 LINESTRING(3 6,7 9)
SELECT fid, AsText(GeometryN(g, 1)) from gis_geometrycollection;
fid AsText(GeometryN(g, 1))
120 POINT(0 0)
121 POINT(44 6)
explain extended SELECT fid, AsText(GeometryN(g, 2)) from gis_multi_point;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE gis_multi_point ALL NULL NULL NULL NULL 3
Warnings:
Note 1003 select `test`.`gis_multi_point`.`fid` AS `fid`,astext(geometryn(`test`.`gis_multi_point`.`g`,2)) AS `AsText(GeometryN(g, 2))` from `test`.`gis_multi_point`
SELECT g1.fid as first, g2.fid as second,
Within(g1.g, g2.g) as w, Contains(g1.g, g2.g) as c, Overlaps(g1.g, g2.g) as o,
Equals(g1.g, g2.g) as e, Disjoint(g1.g, g2.g) as d, Touches(g1.g, g2.g) as t,
Intersects(g1.g, g2.g) as i, Crosses(g1.g, g2.g) as r
FROM gis_geometrycollection g1, gis_geometrycollection g2 ORDER BY first, second;
first second w c o e d t i r
120 120 1 1 0 1 0 0 1 0
120 121 0 0 0 0 0 0 1 0
121 120 0 0 1 0 0 0 1 0
121 121 1 1 0 1 0 0 1 0
explain extended SELECT g1.fid as first, g2.fid as second,
Within(g1.g, g2.g) as w, Contains(g1.g, g2.g) as c, Overlaps(g1.g, g2.g) as o,
Equals(g1.g, g2.g) as e, Disjoint(g1.g, g2.g) as d, Touches(g1.g, g2.g) as t,
Intersects(g1.g, g2.g) as i, Crosses(g1.g, g2.g) as r
FROM gis_geometrycollection g1, gis_geometrycollection g2 ORDER BY first, second;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE g1 ALL NULL NULL NULL NULL 2 Using temporary; Using filesort
1 SIMPLE g2 ALL NULL NULL NULL NULL 2
Warnings:
Note 1003 select `test`.`g1`.`fid` AS `first`,`test`.`g2`.`fid` AS `second`,within(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `w`,contains(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `c`,overlaps(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `o`,equals(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `e`,disjoint(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `d`,touches(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `t`,intersects(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `i`,crosses(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `r` from `test`.`gis_geometrycollection` `g1` join `test`.`gis_geometrycollection` `g2` order by `test`.`g1`.`fid`,`test`.`g2`.`fid`
DROP TABLE gis_point, gis_line, gis_polygon, gis_multi_point, gis_multi_line, gis_multi_polygon, gis_geometrycollection, gis_geometry;