node.js - populate embedded document on mongoose nodejs -


i'm working nodejs , mongoose , want populate sub-document

this main model

var postschema = require('./post.js'); var blogschema = new mongoose.schema({     name: {         type: string,         required: true     },     postschema: [postschema] });  var blog = mongoose.model('blog', blogschema);  module.exports = blog; 

this post sub-document

var mongoose  = require('mongoose'); var postschema = new mongoose.schema({     name: {         type: string,         required: true     },     rol: {         type: string,         required: true     } });  var post = mongoose.model('post', post);  module.exports = post; 

and want add several 'post' inside 'blog' schema, don't know how, tried populating i'm doing properly! read 'populate' on mongoose i'm not understanding @ all, can explain it?

you cannot use arrays of external eschemas in mongoose. must define them in same file, or save array of _id´s , create collection appart.

check mongoose docs. talk that: http://mongoosejs.com/docs/2.7.x/docs/embedded-documents.html

var mongoose  = require('mongoose'); var blogpost = new mongoose.schema({     name: {         type: string,         required: true     },     rol: {         type: string,         required: true     } });  var blog = new mongoose.schema({     name: {         type: string,         required: true     },     postlist: [blogpost] });  mongoose.model('blog', blogschema);  module.exports = blog;    var blog = mongoose.model('blog');  // create blog post var theblog = new blog();  // create comment theblog.postlist.push({ title: 'my comment' });  theblog.postlist.save(function (err) {   if (!err) console.log('success!'); }); 

hope may you


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