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. +------------------------------------------------------------------+

keyword

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