MongoDB: How to get N decimals precision in a query

Question

Given the following documents in a MongoDB collection...

{ \"_id\": 1, \"amount\": { \"value\": 1.123456789999, \"rate\": 1.2 }}
{ \"_id\": 2, \"amount\": { \"va         


        

Answer 1

Starting from the answer I got from user3100115, here below is the final soluton:

db.orders.find({ "$where": function() { return this.amount.value - (this.amount.value % 0.01) === 0.03; }})

I hope it helps.