ReQL command reference - RethinkDB
Command syntax
number.sub(number[, number, ...]) → number
time.sub(number[, number, ...]) → time
time.sub(time) → number
Description
Subtract two numbers.
Example: It’s as easy as 2 - 2 = 0.
r.expr(2).sub(2).run(conn);
Example: Create a date one year ago today.
r.now().sub(365*24*60*60);
Example: Retrieve how many seconds elapsed between today and date.
r.now().sub(date);