FeedBunch-app/db/migrate/20140207134342_create_active_admin_comments.rb
class CreateActiveAdminComments < ActiveRecord::Migration[5.2]
def self.up
create_table :active_admin_comments do |t|
t.string :namespace
t.text :body
t.string :resource_id, :null => false
t.string :resource_type, :null => false
t.references :author, :polymorphic => true
t.timestamps
end
add_index :active_admin_comments, [:namespace]
add_index :active_admin_comments, [:resource_type, :resource_id]
end
def self.down
drop_table :active_admin_comments
end
end