Firebase Multipath Fetch Data

Question

Currently, Firebase supports multipath data updates for a flat data layout. However when it comes to fetching data, is it possible to use a similar method to multipath fetch

Answer 1

If the paths/refs are not dependent on each other, you can retrieve them like this:

var test_1 = ref.child('data_1/');
var test_2 = ref.child('data_2/');
Promise.all([
    test_1.once('value'),
    test_2.once('value')
]).then(function(snapshots) {
    var test_string_1 = snapshots[0].val();
    var test_string_2 = snapshots[1].val();
});

See:

• The MDN documentation on Promise.all()
• Speed up fetching posts for my social network app by using query instead of observing a single event repeatedly