Parent
%= table_name.camelize %> < ActiveRecord::Migration
def change
change_table :<%= table_name %> do |t|
<%='t.string :username, null: false, default: ""' if ActiveRecord::Base.class_eval("#{table_name.camelize.singularize}.inspect['username: string'].blank?") %>
t.text :security_hash, default: "{}"
t.integer :security_cycle, default: 1
t.text :agent_list, default: ""
t.integer :cookie_crypt_attempts_count, default: 0
end
end
end