doris/docs/documentation/cn/sql-reference/sql-functions/spatial-functions/st_astext.md

ST_AsText,ST_AsWKT

Syntax

VARCHAR ST_AsText(GEOMETRY geo)

Description

将一个几何图形转化为WKT（Well Known Text）的表示形式

Examples

mysql> SELECT ST_AsText(ST_Point(24.7, 56.7));
+---------------------------------+
| st_astext(st_point(24.7, 56.7)) |
+---------------------------------+
| POINT (24.7 56.7)               |
+---------------------------------+