Get all items from a test

gistfile1.js

db.tests.remove({slug: "foo"})
db.tests.insert({slug: "foo", forms: [ {slug: "section 1", clusters: [
{slug: "cluster 1", items: [1,2,3]}, 
{slug: "cluster 2", items: [4,5,6]}
]}]});

var map = function() {
	this.forms.forEach(function(form){
		form.clusters.forEach(function(cluster){
			cluster.items.forEach(function(item){
				emit(item, item);
			})
		})
	})
};

var reduce = function (key, values) {
    return values;
}


db.tests.mapReduce(map, reduce, {query: {slug: "foo"}, out: {inline: 1} });