ST_AsText,ST_AsWKT
Description
幾何図形を WKT (Well Known Text) 形式に変換します。
Syntax
VARCHAR ST_AsText(GEOMETRY geo)
Examples
MySQL > SELECT ST_AsText(ST_Point(24.7, 56.7));
+---------------------------------+
| st_astext(st_point(24.7, 56.7)) |
+---------------------------------+
| POINT (24.7 56.7) |
+---------------------------------+
keyword
ST_ASTEXT,ST_ASWKT,ST,ASTEXT,ASWKT