CREATE TABLE IF NOT EXISTS `hotels` (
  `id`           BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  `name`         VARCHAR(100)    NOT NULL,
  `code`         VARCHAR(50)     NOT NULL,
  `address`      VARCHAR(255)    DEFAULT NULL,
  `phone`        VARCHAR(30)     DEFAULT NULL,
  `custom_fields` JSON           DEFAULT NULL,
  `created_at`   DATETIME        NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `updated_at`   DATETIME        NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  `deleted_at`   DATETIME        DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `uk_code` (`code`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;