}
if !s.scope.Range.ContainsKey(taskKey) {
panic(fmt.Sprintf("Queue slice get task from iterator doesn't belong to its range, range: %v, task key %v",
s.scope.Range, taskKey))
}
continue
}
s.add(executable)
executables = append(executables, executable)
} else {
s.iterators = s.iterators[1:]