You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: 20230311164131_fix_favorite_counts.rb
    path of file: ./repos/alonetone/db/migrate
    
    the code of the file until where you have to start completion: class FixFavoriteCounts < ActiveRecord::Migration[7.0]
    
  def change
    execute <<-SQL
      UPDATE assets A
      INNER JOIN (SELECT asset_id, COUNT(*) idcount FROM tracks 
                  WHERE is_favorite = true GROUP BY asset_id) as T
      ON T.asset_id = A.id
      SET A.favorites_count = T.idcount
    SQL
  end