activerecord/lib/rails/generators/active_record/model/templates/module.rb.tt

Summary

Maintainability
Test Coverage
<% module_namespacing do -%>
module <%= class_path.map(&:camelize).join("::") %>
  def self.table_name_prefix
    "<%= namespaced? ? namespaced_class_path.join("_") : class_path.join("_") %>_"
  end
end
<% end -%>