firebase consulta de marca de tiempo
Query query = mFirestore.collection("rootcollection")
.orderBy("timestamp", Query.Direction.DESCENDING)
.whereEqualTo("month", 3);
marca de tiempo de consulta de firebase
Query query = mFirestore.collection("rootcollection")
.orderBy("timestamp", Query.Direction.DESCENDING)
.whereEqualTo("month", 3);