Updated mongoose

node_modules/mongoose/examples/lean/lean.js

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+
+// import async to make control flow simplier
+var async = require('async');
+
+// import the rest of the normal stuff
+var mongoose = require('../../lib');
+
+require('./person.js')();
+
+var Person = mongoose.model('Person');
+
+// define some dummy data
+var data = [
+    {
+      name: 'bill',
+      age: 25,
+      birthday: new Date().setFullYear((new Date().getFullYear() - 25)),
+      gender: "Male",
+      likes: ['movies', 'games', 'dogs']
+    },
+    {
+      name: 'mary',
+      age: 30,
+      birthday : new Date().setFullYear((new Date().getFullYear() - 30)),
+      gender: "Female",
+      likes: ['movies', 'birds', 'cats']
+    },
+    {
+      name: 'bob',
+      age: 21,
+      birthday: new Date().setFullYear((new Date().getFullYear() - 21)),
+      gender: "Male",
+      likes: ['tv', 'games', 'rabbits']
+    },
+    {
+      name: 'lilly',
+      age: 26,
+      birthday: new Date().setFullYear((new Date().getFullYear() - 26)),
+      gender: "Female",
+      likes: ['books', 'cats', 'dogs']
+    },
+    {
+      name: 'alucard',
+      age: 1000,
+      birthday: new Date().setFullYear((new Date().getFullYear() - 1000)),
+      gender: "Male",
+      likes: ['glasses', 'wine', 'the night']
+    }
+];
+
+
+mongoose.connect('mongodb://localhost/persons', function(err) {
+  if (err) throw err;
+
+  // create all of the dummy people
+  async.each(data, function(item, cb) {
+    Person.create(item, cb);
+  }, function(err) {
+    if (err) {
+      // handle error
+    }
+
+    // lean queries return just plain javascript objects, not
+    // MongooseDocuments. This makes them good for high performance read
+    // situations
+
+    // when using .lean() the default is true, but you can explicitly set the
+    // value by passing in a boolean value. IE. .lean(false)
+    var q = Person.find({ age : { $lt : 1000 }}).sort('age').limit(2).lean();
+    q.exec(function(err, results) {
+      if (err) throw err;
+      console.log("Are the results MongooseDocuments?: %s", results[0] instanceof mongoose.Document);
+
+      console.log(results);
+      cleanup();
+    });
+  });
+});
+
+function cleanup() {
+  Person.remove(function() {
+    mongoose.disconnect();
+  });
+}

node_modules/mongoose/examples/lean/package.json

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+{
+  "name": "lean-example",
+  "private": "true",
+  "version": "0.0.0",
+  "description": "deps for lean example",
+  "main": "lean.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "dependencies": { "async": "*" },
+  "repository": "",
+  "author": "",
+  "license": "BSD"
+}

node_modules/mongoose/examples/lean/person.js

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+
+// import the necessary modules
+var mongoose = require('../../lib');
+var Schema = mongoose.Schema;
+
+// create an export function to encapsulate the model creation
+module.exports = function() {
+  // define schema
+  var PersonSchema = new Schema({
+    name : String,
+    age : Number,
+    birthday : Date,
+    gender: String,
+    likes: [String]
+  });
+  mongoose.model('Person', PersonSchema);
+};