ios_sign/database/sql/admin_permission_role.sql

CREATE TABLE `admin_permission_role` (
  `permission_id` int(10) unsigned NOT NULL,
  `role_id` int(10) unsigned NOT NULL,
  PRIMARY KEY (`permission_id`,`role_id`),
  KEY `permission_role_role_id_foreign` (`role_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;