Returns a correlated subquery for the set of
device_skip entries that apply to some jobs. They match the device IP, current backend, and job action.
backend FQDN (or the current host will be used as a default), the
max_deferrals (option disabled if 0/undef value is passed), and
retry_after when devices will be retried once (disabled if 0/undef passed).
This is a modifier for any
search() (including the helpers below) which will add the following additional synthesized columns to the result set: