我可以使用mongodb ref引用同一模型中的模型吗

Question

Let assume I have a model called Task that has a field called dependencies and the dependencies field is of type mongodb ID and I will like it to be a reference to the Task model itself. I don't know if this is possible with mongodb and mongoose.

For Example:

// Task model
const taskSchema = mongoose.Schema({
// other fields

// dependencies: [{
  types: mongoose.Schema.Types.ObjectId,
  ref: 'Task' // is this possible?at what cost?
}]

})

modules.export = mongoose.model('Task', taskSchema)

Answer 1

Yes, nesting is possible in the MongoDB and in the mongoose as well. Try to avoid depth.