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

MySQL > SELECT ST_AsText(ST_GeometryFromText("LINESTRING (1 1, 2 2)"));
+---------------------------------------------------------+
| st_astext(st_geometryfromtext('LINESTRING (1 1, 2 2)')) |
+---------------------------------------------------------+
| LINESTRING (1 1, 2 2)                                   |
+---------------------------------------------------------+

keyword

ST_GEOMETRYFROMTEXT,ST_GEOMFROMTEXT,ST,GEOMETRYFROMTEXT,GEOMFROMTEXT