ST_Polygon,ST_PolyFromText,ST_PolygonFromText

description

Syntax

GEOMETRY ST_Polygon(VARCHAR wkt)

将一个WKT（Well Known Text）转化为对应的多边形内存形式

example

1. mysql> SELECT ST_AsText(ST_Polygon("POLYGON ((0 0, 10 0, 10 10, 0 10, 0 0))"));
2. +------------------------------------------------------------------+
3. | st_astext(st_polygon('POLYGON ((0 0, 10 0, 10 10, 0 10, 0 0))')) |
4. +------------------------------------------------------------------+
5. | POLYGON ((0 0, 10 0, 10 10, 0 10, 0 0))                          |
6. +------------------------------------------------------------------+

keywords

ST_POLYGON,ST_POLYFROMTEXT,ST_POLYGONFROMTEXT,ST,POLYGON,POLYFROMTEXT,POLYGONFROMTEXT