DELIMITER //

CREATE OR REPLACE PROCEDURE zen_null()
/*
  為了執行 js 跑一段假的 api
*/
BEGIN
  DECLARE code INT;
  DECLARE msg VARCHAR(255);

  -- Return a fake response
  SELECT 0 AS code, 'OK' AS msg;

  -- Return an empty result set
  SELECT * FROM sys_users WHERE 1 = 0;
END //

DELIMITER ;