When using dot notation you need to put the key value in quotes, so your sort object should look like this instead: sort: { “items.date” : 1 } That will sort ascending by minimum date value in each doc’s items array
Easier if you just use MongoClient MongoClient.connect(‘mongodb://admin:password@localhost:27017/db’, function (err, db) {
In my opinion, you are trying to create another connection without closing the current one. So, you might want to use: createConnection() instead of connect(). In your case, it would look like this: db = mongoose.createConnection(‘mongodb://localhost/mydb’);
The collectionNames method of the native driver’s Db object accepts an optional collection name filter as a first parameter to let you check the existence of a collection: db.collectionNames(collName, function(err, names) { console.log(‘Exists: ‘, names.length > 0); }); In the 2.x version of the MongoDB native driver, collectionNames has been replaced by listCollections which accepts … Read more