1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
CREATE TABLE t1 (
g GEOMETRY NOT NULL
) ENGINE=InnoDB;
ALTER TABLE t1 ADD SPATIAL(g);
SET @g1 = ST_GeomFromText('POINT(10 10)');
SET @g2 = ST_GeomFromText('POLYGON((5 5, 20 5, 20 21, 5 21, 5 5))');
SET @g3 = ST_GeomFromText('POLYGON((1.79769e+308 1.79769e+308, 20 5, -1.79769e+308 -1.79769e+308, 1.79769e+308 1.79769e+308))');
EXPLAIN SELECT ST_AsText(g) FROM t1 WHERE MBRContains(g, @g1);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL g NULL NULL NULL 1 Using where
SELECT ST_AsText(g) FROM t1 WHERE MBRWithin(g, @g1);
ST_AsText(g)
INSERT INTO t1 VALUES(@g1);
INSERT INTO t1 VALUES(@g2);
INSERT INTO t1 VALUES(@g3);
SELECT ST_AsText(g) FROM t1;
ST_AsText(g)
POINT(10 10)
POLYGON((5 5,20 5,20 21,5 21,5 5))
POLYGON((1.79769e308 1.79769e308,20 5,-1.79769e308 -1.79769e308,1.79769e308 1.79769e308))
ANALYZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 analyze status OK
EXPLAIN SELECT ST_AsText(g) FROM t1 WHERE MBRContains(g, @g1);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range g g 34 NULL 1 Using where
SELECT ST_AsText(g) FROM t1 WHERE MBRWithin(g, @g1);
ST_AsText(g)
POINT(10 10)
EXPLAIN SELECT ST_AsText(g) FROM t1 WHERE MBRDisjoint(g, @g1);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range g g 34 NULL 2 Using where
SELECT ST_AsText(g) FROM t1 WHERE MBRWithin(g, @g1);
ST_AsText(g)
POINT(10 10)
EXPLAIN SELECT ST_AsText(g) FROM t1 WHERE MBREquals(g, @g1);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range g g 34 NULL 1 Using where
SELECT ST_AsText(g) FROM t1 WHERE MBRWithin(g, @g1);
ST_AsText(g)
POINT(10 10)
EXPLAIN SELECT ST_AsText(g) FROM t1 WHERE MBRIntersects(g, @g1);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range g g 34 NULL 1 Using where
SELECT ST_AsText(g) FROM t1 WHERE MBRWithin(g, @g1);
ST_AsText(g)
POINT(10 10)
EXPLAIN SELECT ST_AsText(g) FROM t1 WHERE MBRWithin(g, @g1);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range g g 34 NULL 1 Using where
SELECT ST_AsText(g) FROM t1 WHERE MBRWithin(g, @g1);
ST_AsText(g)
POINT(10 10)
EXPLAIN SELECT ST_AsText(g) FROM t1 WHERE MBRContains(g, @g2);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range g g 34 NULL 1 Using where
SELECT ST_AsText(g) FROM t1 WHERE MBRWithin(g, @g2);
ST_AsText(g)
POINT(10 10)
POLYGON((5 5,20 5,20 21,5 21,5 5))
EXPLAIN SELECT ST_AsText(g) FROM t1 WHERE MBRDisjoint(g, @g2);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range g g 34 NULL 1 Using where
SELECT ST_AsText(g) FROM t1 WHERE MBRWithin(g, @g2);
ST_AsText(g)
POINT(10 10)
POLYGON((5 5,20 5,20 21,5 21,5 5))
EXPLAIN SELECT ST_AsText(g) FROM t1 WHERE MBREquals(g, @g2);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range g g 34 NULL 1 Using where
SELECT ST_AsText(g) FROM t1 WHERE MBRWithin(g, @g2);
ST_AsText(g)
POINT(10 10)
POLYGON((5 5,20 5,20 21,5 21,5 5))
EXPLAIN SELECT ST_AsText(g) FROM t1 WHERE MBRIntersects(g, @g2);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range g g 34 NULL 2 Using where
SELECT ST_AsText(g) FROM t1 WHERE MBRWithin(g, @g2);
ST_AsText(g)
POINT(10 10)
POLYGON((5 5,20 5,20 21,5 21,5 5))
EXPLAIN SELECT ST_AsText(g) FROM t1 WHERE MBRWithin(g, @g2);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range g g 34 NULL 2 Using where
SELECT ST_AsText(g) FROM t1 WHERE MBRWithin(g, @g2);
ST_AsText(g)
POINT(10 10)
POLYGON((5 5,20 5,20 21,5 21,5 5))
EXPLAIN SELECT ST_AsText(g) FROM t1 WHERE MBRContains(g, @g3);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL g NULL NULL NULL 3 Using where
SELECT ST_AsText(g) FROM t1 WHERE MBRWithin(g, @g3);
ST_AsText(g)
POINT(10 10)
POLYGON((5 5,20 5,20 21,5 21,5 5))
POLYGON((1.79769e308 1.79769e308,20 5,-1.79769e308 -1.79769e308,1.79769e308 1.79769e308))
EXPLAIN SELECT ST_AsText(g) FROM t1 WHERE MBRDisjoint(g, @g3);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL g NULL NULL NULL 3 Using where
SELECT ST_AsText(g) FROM t1 WHERE MBRWithin(g, @g3);
ST_AsText(g)
POINT(10 10)
POLYGON((5 5,20 5,20 21,5 21,5 5))
POLYGON((1.79769e308 1.79769e308,20 5,-1.79769e308 -1.79769e308,1.79769e308 1.79769e308))
EXPLAIN SELECT ST_AsText(g) FROM t1 WHERE MBREquals(g, @g3);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL g NULL NULL NULL 3 Using where
SELECT ST_AsText(g) FROM t1 WHERE MBRWithin(g, @g3);
ST_AsText(g)
POINT(10 10)
POLYGON((5 5,20 5,20 21,5 21,5 5))
POLYGON((1.79769e308 1.79769e308,20 5,-1.79769e308 -1.79769e308,1.79769e308 1.79769e308))
EXPLAIN SELECT ST_AsText(g) FROM t1 WHERE MBRIntersects(g, @g3);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL g NULL NULL NULL 3 Using where
SELECT ST_AsText(g) FROM t1 WHERE MBRWithin(g, @g3);
ST_AsText(g)
POINT(10 10)
POLYGON((5 5,20 5,20 21,5 21,5 5))
POLYGON((1.79769e308 1.79769e308,20 5,-1.79769e308 -1.79769e308,1.79769e308 1.79769e308))
EXPLAIN SELECT ST_AsText(g) FROM t1 WHERE MBRWithin(g, @g3);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL g NULL NULL NULL 3 Using where
SELECT ST_AsText(g) FROM t1 WHERE MBRWithin(g, @g3);
ST_AsText(g)
POINT(10 10)
POLYGON((5 5,20 5,20 21,5 21,5 5))
POLYGON((1.79769e308 1.79769e308,20 5,-1.79769e308 -1.79769e308,1.79769e308 1.79769e308))
DROP TABLE t1;
|