# `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)               |
+---------------------------------+
```