Identify last document from MongoDB find() result set

Question

I\'m trying to \'stream\' data from a node.js/MongoDB instance to the client using websockets. It is all working well.

But how to I identify the last document in t

Answer 1

Use sort and limit, if you want to use cursor :

var last = null;
var findCursor = collection.find({}).cursor();
findCursor.on("data", function(data) {
   last = data;
   ...
});
findCursor.on("end", function(data) {
   // last result in last
   ....
});