radians

This function is used to return the radian corresponding to an angle.

Syntax

radians(DOUBLE a)

Parameters

Table 1 Parameter

Parameter

Mandatory

Type

Description

a

Yes

DOUBLE, BIGINT, DECIMAL, or STRING

The value can be a float, integer, or string.

If the value is not of the DOUBLE type, the system will implicitly convert it to the DOUBLE type for calculation.

Return Values

The return value is of the DOUBLE type.

Note

If the value of a is NULL, NULL is returned.

Example Code

The value 1.0471975511965976 is returned.

select radians(60);

The value 0 is returned.

select radians(0);

The value NULL is returned.

select radians(null);