Order Players on the SUM of their association model

Question

I have a database with 6500 players and each player has an average of 15 game results.

Use case

I want to generat

Answer 1

You should be able to use something like this:

class Player
 scope :order_by_prize, joins(:results).select('name, sum(results.prize) as total_prize').order('total_prize desc')  

Refer rails api - active record querying for details.