anchor.diff:              {error, Error}
       end.
   
  +-spec fetch_incomplete_job_nodes() -> {ok, [ #pushy_job_node{} ] } | {error, term()}.
   fetch_incomplete_job_nodes() ->
       case sqerl:select(find_incomplete_job_nodes, []) of
           {ok, none} ->
  
positive.code:             {error, Error}
      end.
  
  create_job(#pushy_job{status = Status, job_nodes = JobNodes}=Job) ->
      %% convert status into an integer
      Job1 = Job#pushy_job{status=Status},
  
negative.code:           end,
     lists:filter(Pred,CbFields).
  
  -spec insert_job_nodes([#pushy_job_node{}]) -> ok | {error, term()}.
  %% @doc Inserts job_nodes records into the database. All records are timestamped
  %% with the same stamp, namely `CreatedAt`, which is a binary string in SQL date time
  %% format.
  