Random document from a collection in Mongoose

Question

I want to create a Schema.statics.random function that gets me a random element from the collection. I know there is an example for the native MongoDB driver, b

Answer 1

You can use aggregate:

User.aggregate([
    {$match: {gender: "male"}},
    {$sample: {size: 10}}
], function(err, docs) {
    console.log(docs);
});

Or you can use npm package https://www.npmjs.com/package/mongoose-simple-random

User.findRandom({gender: "male"}, {}, {limit: 10}, function(err, results) { 
    console.log(results); // 10 elements
});