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没有ref选项的mongoose填充字段

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我有3个架构:

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"});

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,我有创建者字段whic现在有ref选项,因为它可以是User1Schema或User2Schema的类型 .

如何使用mongoose填充创建者字段

1 回答

  • 23
    Conversation.find().populate('creator', null, 'User2').exec(callback)
    

    docs不清楚 . 将很快更新 .

    此外,在v3.6中,此语法将更简单 .

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