to_nanoseconds#

Description#

Convert a duration to a number of nanoseconds.

The input is always of type duration, the output is a float64 representing the number of nanoseconds (whole and fractions) of that duration.

Return type#

float64

Domain#

This is a scalar function (calculates a single output value for a single input row.)

Categories#

Usage#

to_nanoseconds(duration)

Argument

Type

Optional

Repeatable

Restrictions

duration

duration

no

no

none

Examples#

make_col nanoseconds:to_nanoseconds(stopTime - startTime)

Assuming stopTime and startTime are timestamps, subtracting them yields a duration. That duration is then converted to number of nanoseconds using to_nanoseconds.