class CreateFavoriteGroups < ActiveRecord::Migration def self.up create_table :favorite_groups do |t| t.text :name, :null => false t.integer :creator_id, :null => false t.text :post_ids, :null => false, :default => "" t.integer :post_count, :null => false, :default => 0 t.timestamps end execute "create index index_favorite_groups_on_lower_name on favorite_groups (lower(name))" add_index :favorite_groups, :creator_id end def self.down drop_table :favorite_groups end end