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pi (Function)

This function returns the java.lang.Math.PI constant, which is the closest value to pi, i.e., the ratio of the circumference of a circle to its diameter.

Syntax​

<DOUBLE> math:pi()

Example 1​

CREATE STREAM InValueStream (inValue double);

insert into OutMediationStream
select math:pi() as piValue
from InValueStream;

pi() always returns 3.141592653589793.