-- 存儲過程創建(請注意需要帶上schema哦)
CREATE OR REPLACE PROCEDURE SLEEP(seconds INTEGER)
BEGIN
    DECLARE end TIMESTAMP;
    SET end = CURRENT TIMESTAMP + seconds SECONDS;
    wait: LOOP
        IF CURRENT TIMESTAMP >= end THEN LEAVE wait;
END IF;
    END LOOP wait;
END"


-- 調用方式(請注意需要帶上schema哦)
call sleep(2);