30 lines
1.1 KiB
SQL
30 lines
1.1 KiB
SQL
-- 挂号单状态自动更新 - MySQL 事件（可选，需开启 event_scheduler）
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-- 表名请根据实际前缀修改（如 zyt_doctor_appointment、la_doctor_appointment）
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-- 创建事件：每10分钟执行一次
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-- SET GLOBAL event_scheduler = ON; -- 需先开启事件调度器
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DELIMITER $$
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DROP EVENT IF EXISTS evt_update_appointment_status$$
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CREATE EVENT evt_update_appointment_status
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ON SCHEDULE EVERY 10 MINUTE
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DO
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BEGIN
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-- 1. 超过8小时 -> 已取消(status=2)
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UPDATE zyt_doctor_appointment
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SET status = 2, update_time = UNIX_TIMESTAMP()
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WHERE status = 1
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AND CONCAT(appointment_date, ' ', IFNULL(appointment_time, '00:00:00')) <= DATE_SUB(NOW(), INTERVAL 8 HOUR);
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-- 2. 已过时间但未超8小时 -> 已过号(status=4)
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UPDATE zyt_doctor_appointment
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SET status = 4, update_time = UNIX_TIMESTAMP()
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WHERE status = 1
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AND CONCAT(appointment_date, ' ', IFNULL(appointment_time, '00:00:00')) < NOW()
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AND CONCAT(appointment_date, ' ', IFNULL(appointment_time, '00:00:00')) > DATE_SUB(NOW(), INTERVAL 8 HOUR);
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END$$
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DELIMITER ;
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