ST_GeometryFromText,ST_GeomFromText

description

Syntax

GEOMETRY ST_GeometryFromText(VARCHAR wkt)

将一个WKT（Well Known Text）转化为对应的内存的几何形式

example

1. mysql> SELECT ST_AsText(ST_GeometryFromText("LINESTRING (1 1, 2 2)"));
2. +---------------------------------------------------------+
3. | st_astext(st_geometryfromtext('LINESTRING (1 1, 2 2)')) |
4. +---------------------------------------------------------+
5. | LINESTRING (1 1, 2 2)                                   |
6. +---------------------------------------------------------+

keyword

ST_GEOMETRYFROMTEXT,ST_GEOMFROMTEXT,ST,GEOMETRYFROMTEXT,GEOMFROMTEXT