ReQL command: difference

Command syntax

array.difference(array) → array

Description

Remove the elements of one array from another array.

Example: Retrieve Iron Man’s equipment list without boots.

r.table('marvel').get('IronMan')[:equipment].difference(['Boots']).run(conn)

Example: Remove Iron Man’s boots from his equipment.

r.table('marvel').get('IronMan')[:equipment].update{ |doc|
    {:equipment => doc['equipment'].difference(['Boots'])}
}.run(conn)