1 files changed, 84 insertions, 0 deletions
diff --git a/common/src/main/webapp/usageguide/appserver/node_modules/mongoose/examples/lean/lean.js b/common/src/main/webapp/usageguide/appserver/node_modules/mongoose/examples/lean/lean.js
new file mode 100644
index 0000000..763367f
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+++ b/common/src/main/webapp/usageguide/appserver/node_modules/mongoose/examples/lean/lean.js
@@ -0,0 +1,84 @@
+
+// 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();
+  });
+}