openstreetmap-website/db/migrate/20120808231205_add_counter_caches.rb
2019-11-27 11:47:16 +00:00

26 lines
699 B
Ruby

class AddCounterCaches < ActiveRecord::Migration[4.2]
class Changeset < ApplicationRecord
end
class Trace < ApplicationRecord
self.table_name = "gpx_files"
end
def self.up
add_column :users, :changesets_count, :integer, :null => false, :default => 0
add_column :users, :traces_count, :integer, :null => false, :default => 0
Changeset.group(:user_id).pluck(:user_id).each do |user_id|
User.reset_counters(user_id, :changesets)
end
Trace.group(:user_id).pluck(:user_id).each do |user_id|
User.reset_counters(user_id, :traces)
end
end
def self.down
remove_column :users, :changesets_count
remove_column :users, :traces_count
end
end