docs: function getObjFromIKeyIx(ix) {
  			var link, key = keys[ix], id;
  			if(error) return;
  			key = key.split(flds);
  			id = key[key.length-2];
  			link = self.links[key[0].split(hdrs)[1]];
  			order[ix] = id;
  			
  			fc++;
  			getObjFromDKey(self.getDataKey(id), function(err, obj) {
  				if(err) error = err;
  				else os[ix] = obj;
  				done();
  			});
  
  			if(link) {
  				fc++;
  				getObjFromDKey(link.getDataKey(id, key[1]), function (err, obj) {
  					if(err) error = err;
  					else ds[ix] = obj;
  					done();
  				});
  			}
  		}