educoder/db/migrate/20190705013204_modify_prais...

10 lines
302 B

class ModifyPraisesCountForChallenges < ActiveRecord::Migration[5.2]
def change
challenges = Challenge.where(nil).unscoped
challenges.find_each do |c|
praises_count = c.praise_treads.where(praise_or_tread: 1).count
c.update_column(:praises_count, praises_count)
end
end
end