SET default_storage_engine=InnoDB;
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (
fid INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
g GEOMETRY NOT NULL,
KEY gis_key(g(5 ))
) ENGINE=InnoDB;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`fid` int(11 ) NOT NULL AUTO_INCREMENT,
`g` geometry NOT NULL,
PRIMARY KEY (`fid`),
KEY `gis_key` (`g`(5 ))
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
SELECT count(*) FROM t1;
count(*)
150
ANALYZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze status OK
EXPLAIN SELECT fid, ST_AsText(g) FROM t1 WHERE ST_Within(g, ST_GeomFromText('Polygon((140 140,160 140,160 160,140 140))' ));
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL gis_key NULL NULL NULL # Using where
SELECT fid, ST_AsText(g) FROM t1 WHERE ST_Within(g, ST_GeomFromText('Polygon((140 140,160 140,160 160,140 160,140 140))' )) ORDER BY fid;
fid ST_AsText(g)
1 LINESTRING(150 150 ,150 150 )
2 LINESTRING(149 149 ,151 151 )
3 LINESTRING(148 148 ,152 152 )
4 LINESTRING(147 147 ,153 153 )
5 LINESTRING(146 146 ,154 154 )
6 LINESTRING(145 145 ,155 155 )
7 LINESTRING(144 144 ,156 156 )
8 LINESTRING(143 143 ,157 157 )
9 LINESTRING(142 142 ,158 158 )
10 LINESTRING(141 141 ,159 159 )
11 LINESTRING(140 140 ,160 160 )
DROP TABLE t1;
CREATE TABLE t1 (
fid INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
g GEOMETRY NOT NULL
) ENGINE=InnoDB;
ALTER TABLE t1 ADD SPATIAL KEY(g);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`fid` int(11 ) NOT NULL AUTO_INCREMENT,
`g` geometry NOT NULL,
PRIMARY KEY (`fid`),
SPATIAL KEY `g` (`g`)
) ENGINE=InnoDB AUTO_INCREMENT=101 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
SELECT count(*) FROM t1;
count(*)
100
SELECT fid, ST_AsText(g) FROM t1 WHERE ST_Within(g,
ST_GeomFromText('Polygon((40 40,60 40,60 60,40 40))' )) ORDER BY fid;
fid ST_AsText(g)
45 LINESTRING(51 51 ,60 60 )
46 LINESTRING(51 41 ,60 50 )
56 LINESTRING(41 41 ,50 50 )
DROP TABLE t1;
End of 5 .5 tests.
Messung V0.5 in Prozent C=77 H=100 G=89
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-10-08)
¤
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