类别：: 数值函数（三角函数）

RADIANS¶

将度转换为弧度。

语法¶

RADIANS( <real_expr> )

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示例¶

显示调用 RADIANS 函数的结果：

SELECT RADIANS(0), RADIANS(60), RADIANS(180), RADIANS(360), RADIANS(720);
+------------+-------------+--------------+--------------+--------------+
| RADIANS(0) | RADIANS(60) | RADIANS(180) | RADIANS(360) | RADIANS(720) |
|------------+-------------+--------------+--------------+--------------|
|          0 | 1.047197551 |  3.141592654 |  6.283185307 | 12.566370614 |
+------------+-------------+--------------+--------------+--------------+

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