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

you can just use the regex operator

db.test.find({ value: { $regex: 1\.12[0-9]*}})