to_hours

Description

Convert a duration to a number of hours. The input is always of type duration, the output is a float64 representing the number of hours (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_hours( duration )

Argument

Type

Required

Multiple

Constant

duration

duration

Required

Only one

Variable

Examples

make_col hours:to_hours(stopTime - startTime)

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