mongoose-populate | 易学教程

Mongoose Populate not working with Array of ObjectIds

阅读更多关于 Mongoose Populate not working with Array of ObjectIds

问题 Here is my schema: /** Schemas */ var profile = Schema({ EmailAddress: String, FirstName: String, LastName: String, BusinessName: String }); var convSchema = Schema({ name: String, users: [{ type: Schema.Types.ObjectId, ref: 'Profiles' }], conversationType: { type: String, enum: ['single', 'group'], default: 'single' }, created: { type: Date, default: Date.now }, lastUpdated: { type: Date, default: Date.now } }); /** Models */ db.Profiles = mongoose.model('Profiles', profile); db

Mongoosejs virtual populate

阅读更多关于 Mongoosejs virtual populate

问题 I have a circle model in my project: var circleSchema = new Schema({ //circleId: {type: String, unique: true, required: true}, patientID: {type: Schema.Types.ObjectId, ref: "patient"}, circleName: String, caregivers: [{type: Schema.Types.ObjectId}], accessLevel: Schema.Types.Mixed }); circleSchema.virtual('caregiver_details',{ ref: 'caregiver', localField: 'caregivers', foreignField: 'userId' }); caregiver schema: var cargiverSchema = new Schema({ userId: {type: Schema.ObjectId, unique: true}

Mongoose: Filter collection based on values in another collection

阅读更多关于 Mongoose: Filter collection based on values in another collection

Consider documents that contain an arrays of ID of another collection, how can I find documents applying a filter based on the related collection using mongoose? I can't find my error Installation.aggregate( [ // Stage 1 { $lookup: { from: "users", localField: "_id", foreignField: "_id", as: "Users" } }, // Stage 2 { $unwind: { path: "$Users" } }, // Stage 3 { $match: {"Users.Email1" : "test@test.com"} }, { $sort: { _id: -1 } }, { $limit: 10 } ] ,function (err, installations) { console.log(installations); //<<<<< Empty /* Installation.populate( 'Parent', '_id Email1','Company'), function(err

Are there ways to populate a schema in Joi from another schema (like Mongoose does)?

阅读更多关于 Are there ways to populate a schema in Joi from another schema (like Mongoose does)?

问题 I'm currently only using Joi to validate and building schemas. However I feel like I'm missing features like reference another schema like Mongoose does. Or is the only way to do this by using both (or mongoose only)? I want to use something similar to this: const mongoose = require('mongoose'); const Schema = mongoose.Schema; const personSchema = Schema({ _id: Schema.Types.ObjectId, name: String, age: Number, stories: [{ type: Schema.Types.ObjectId, ref: 'Story' }] }); const storySchema =

Are there ways to populate a schema in Joi from another schema (like Mongoose does)?

阅读更多关于 Are there ways to populate a schema in Joi from another schema (like Mongoose does)?

I'm currently only using Joi to validate and building schemas. However I feel like I'm missing features like reference another schema like Mongoose does. Or is the only way to do this by using both (or mongoose only)? I want to use something similar to this: const mongoose = require('mongoose'); const Schema = mongoose.Schema; const personSchema = Schema({ _id: Schema.Types.ObjectId, name: String, age: Number, stories: [{ type: Schema.Types.ObjectId, ref: 'Story' }] }); const storySchema = Schema({ author: { type: Schema.Types.ObjectId, ref: 'Person' }, title: String, fans: [{ type: Schema

Mongoosejs virtual populate

阅读更多关于 Mongoosejs virtual populate

I have a circle model in my project: var circleSchema = new Schema({ //circleId: {type: String, unique: true, required: true}, patientID: {type: Schema.Types.ObjectId, ref: "patient"}, circleName: String, caregivers: [{type: Schema.Types.ObjectId}], accessLevel: Schema.Types.Mixed }); circleSchema.virtual('caregiver_details',{ ref: 'caregiver', localField: 'caregivers', foreignField: 'userId' }); caregiver schema: var cargiverSchema = new Schema({ userId: {type: Schema.ObjectId, unique: true}, //objectId of user document detailId: {type: Schema.ObjectId, ref: "contactDetails"}, facialId: {type

How to remove object taking into account references in Mongoose Node.js?

阅读更多关于 How to remove object taking into account references in Mongoose Node.js?

问题 This is my MongoDB schema: var partnerSchema = new mongoose.Schema({ name: String, products: [ { type: mongoose.Schema.Types.ObjectId, ref: 'Product' }] }); var productSchema = new mongoose.Schema({ name: String, campaign: [ { type: mongoose.Schema.Types.ObjectId, ref: 'Campaign' } ] }); var campaignSchema = new mongoose.Schema({ name: String, }); module.exports = { Partner: mongoose.model('Partner', partnerSchema), Product: mongoose.model('Product', productSchema), Campaign: mongoose.model(

Mongoose connect two collections

阅读更多关于 Mongoose connect two collections

I have a collection of products, and another on the reposition of stock of the product. What I'm looking for is that when I get the products, all the replenishment dates and the new stock appear, something like this: { "ok": true, "producto": { "repo": [ { "_id": "5ac643ab88b5a132384f7758", "restock": 22, "date": "2018-03-04T03:00:00.000Z", "producto": "5ac6433588b5a132384f7757", "__v": 0 }, { "_id": "5ac6470079b67f39985ffe3c", "restock": 44, "date": "2018-04-04T03:00:00.000Z", "producto": "5ac6433588b5a132384f7757", "__v": 0 } ], "_id": "5ac6433588b5a132384f7757", "nombre": "Vianda

populate nested array of nested ref

阅读更多关于 populate nested array of nested ref

The structure of the project is structure The main file is index.js that is located in the main directory. This one has 'use strict' var mongoose = require('mongoose'); var app = require('./app'); var port = process.env.port || 3000; mongoose.connect('mongodb://localhost:27017/changeProducts',(err,res) =>{ if(err){ throw err; }else{ console.log("Base de datos funcionando correctamente.."); app.listen(port, function(){ console.log('Servidor nodejs corriendo(app.listen)... '); }); } }); The version of mongoose is 5.0 The app.js is 'use strict' var express = require('express'); var bodyParser =

The correct syntax for sorting mongoose 3.x populated document

阅读更多关于 The correct syntax for sorting mongoose 3.x populated document

问题 I have two MongoDB collections Customer and User in 1:1 relationship. I'm trying to query both documents using Mongoose Population and sort them by User.name . Nothing below is working. My Mongoose is 3.8.19. Customer .find({}) .populate("user", "name email phone") .sort({ "name": 1 }) .exec() Customer .find({}) .populate("user", "name email phone", null, { sort: { 'name': 1 } } ) .exec() Customer .find({}) .populate({ path: "user", select: "name email phone", options: { sort: { "name": 1 }}