我有3个模式:
var User1Schema = new Schema({
name: {type:String , trim: true, required: true },
status: {type:Number, required: true, default:1}
},{collection:"user_1"});
,
var User2Schema = new Schema({
name: {type:String , trim: true, required: true },
email: {type: String, required: true, index: {unique: true} },
status: {type:Number, required: true, default:1}
},{collection:"user_2"});
和
var ConversationSchema = new Schema( {
participants: [{user:{type: ObjectId, required: true}],
creator: {type: ObjectId, required: true},
status: { type:Number, required: true, default:1 }
}, { collection:"conversation" } );
在ConversationSchema中,我有creator字段,它现在有ref选项,因为它可以是User1Schema或User2Schema类型.
如何使用mongoose填充creator字段