Mongodb 此基本设置忽略Mongoose填充
我有一个用户模式,它有多个注释,注释属于一个用户IDMongodb 此基本设置忽略Mongoose填充,mongodb,mongoose,mongoose-schema,Mongodb,Mongoose,Mongoose Schema,我有一个用户模式,它有多个注释,注释属于一个用户ID const UserSchema = new Schema({ _id: Schema.Types.ObjectId, email: {type: String, required: true, trim: true, lowercase: true, unique: true}, notes: [{type: Schema.Types.ObjectId, ref: 'Note'}] }); const NoteSc
const UserSchema = new Schema({
_id: Schema.Types.ObjectId,
email: {type: String, required: true, trim: true, lowercase: true, unique: true},
notes: [{type: Schema.Types.ObjectId, ref: 'Note'}]
});
const NoteSchema = new Schema({
userId: {type: mongoose.Types.ObjectId, ref: 'User'},
content: {type: String, required: true, trim: true, lowercase: true},
});
我正在尝试使用以下语法(来自文档)向我的用户填充注释
但它返回的用户没有Notes数据。知道我可能做错了什么吗?
NoteSchema
问题是:
userId:{type:mongoose.Types.ObjectId,ref:'User'}
在下面使用
userId: {type: mongoose.Schema.Types.ObjectId, ref: 'User'}
// OR
userId: {type: Schema.Types.ObjectId, ref: 'User'}
// OR
userId: {type: Schema.ObjectId, ref: 'User'} // For backword compatibility
注意:-模式应始终使用mongoose.schema.Types
。和mongoose.Types.ObjectId
可以与mongoose实现一起使用
我能够正确获取文档(以下代码)):
输出:
[
{
"_id": "5bd2c84dd79cc5d8b1c62964",
"email": "hardik@com.com",
"notes": [
{
"_id": "5bd2c869d79cc5d8b1c62965",
"content": "ABC",
"userId": "5bd2c84dd79cc5d8b1c62964"
},
{
"_id": "5bd2c88ad79cc5d8b1c62966",
"content": "DEF",
"userId": "5bd2c84dd79cc5d8b1c62964"
}
]
}
]
你能分享你拥有的样本文档吗?我在模式中没有发现任何问题,请确保笔记中有相关数据。
var mongoose = require('mongoose'),
Schema = mongoose.Schema;
const NoteSchema = new Schema({
userId: {type: Schema.Types.ObjectId, ref: 'UserTest'},
content: {type: String, required: true, trim: true, lowercase: true},
});
const UserSchema = new Schema({
_id: Schema.Types.ObjectId,
email: {type: String, required: true, trim: true, lowercase: true, unique: true},
notes: [{type: Schema.Types.ObjectId, ref: 'NoteTest'}]
});
var Note = mongoose.model('NoteTest', NoteSchema);
var User = mongoose.model('UserTest', UserSchema);
User.find({_id : mongoose.Types.ObjectId("5bd2c84dd79cc5d8b1c62964")})
.populate('notes')
.exec(function (err, result) {
console.log("result.....", JSON.stringify(result));
});
[
{
"_id": "5bd2c84dd79cc5d8b1c62964",
"email": "hardik@com.com",
"notes": [
{
"_id": "5bd2c869d79cc5d8b1c62965",
"content": "ABC",
"userId": "5bd2c84dd79cc5d8b1c62964"
},
{
"_id": "5bd2c88ad79cc5d8b1c62966",
"content": "DEF",
"userId": "5bd2c84dd79cc5d8b1c62964"
}
]
}
]