How to query one field then order by another one in Firebase cloud Firestore?

Question

I\'m struggling to make a (not so) complex query in firebase cloud firestore.

I simply need to get all docs where the id field ==

Answer 1

You can do this by creating an Index in the firestore.

The first field of the index should be the equality field and the second field of the index should be the order by field.

Given your problem, you would need the following index:

first field: postId, 'asc'
second field: date, 'asc'